/**
 * FocusFlow - Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * Todos os direitos reservados
 */

/* ===================================
   CSS Custom Properties (Material 3)
   =================================== */
:root {
    /* Color Palette */
    --color-primary: #0D0D0D;
    --color-secondary: #262626;
    --color-tertiary: #595959;
    --color-muted: #A6A6A6;
    --color-surface: #F2F2F2;
    
    /* Light Theme */
    --bg-color: #FFFFFF;
    --bg-secondary: #F2F2F2;
    --bg-tertiary: #E8E8E8;
    --text-color: #0D0D0D;
    --text-secondary: #262626;
    --text-muted: #595959;
    --border-color: #E0E0E0;
    
    /* Accent Colors */
    --accent-primary: #4361EE;
    --accent-success: #10B981;
    --accent-warning: #F59E0B;
    --accent-danger: #EF4444;
    --accent-info: #3B82F6;
    
    /* Category Colors */
    --cat-inbox: #6B7280;
    --cat-work: #3B82F6;
    --cat-home: #10B981;
    --cat-urgent: #EF4444;
    --cat-quick: #F59E0B;
    
    /* Energy Colors */
    --energy-high: #10B981;
    --energy-medium: #F59E0B;
    --energy-low: #6B7280;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-toast: 2000;
    
    /* Safe Areas */
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    
    /* Bottom Nav Height */
    --bottom-nav-height: 64px;
    --header-height: 60px;
}

/* Dark Theme */
[data-theme="dark"] {
    --bg-color: #0D0D0D;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #262626;
    --text-color: #F2F2F2;
    --text-secondary: #E0E0E0;
    --text-muted: #A6A6A6;
    --border-color: #333333;
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
}

/* Auto Dark Mode */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --bg-color: #0D0D0D;
        --bg-secondary: #1A1A1A;
        --bg-tertiary: #262626;
        --text-color: #F2F2F2;
        --text-secondary: #E0E0E0;
        --text-muted: #A6A6A6;
        --border-color: #333333;
        
        --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    }
}

/* ===================================
   CSS Reset & Base
   =================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-md);
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: var(--safe-area-top);
    padding-bottom: calc(var(--bottom-nav-height) + var(--safe-area-bottom));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===================================
   App Container
   =================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-height: 100dvh;
}

/* ===================================
   App Header
   =================================== */
.app-header {
    position: sticky;
    top: var(--safe-area-top);
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-md);
    z-index: var(--z-sticky);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-color);
}

.logo-image {
    height: 32px;
    width: auto;
    margin-right: var(--spacing-xs);
    
    transition: filter var(--transition-fast);
}

[data-theme="dark"] .logo-image {
    filter: brightness(1) contrast(1.2);
}

.app-logo:hover .logo-image {
    filter: brightness(0.8) contrast(1.2);
}

[data-theme="dark"] .app-logo:hover .logo-image {
    filter: brightness(1.2) contrast(1.2);
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-btn {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-secondary);
}

.icon-btn:active {
    transform: scale(0.95);
}

.icon-btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ===================================
   Main Content
   =================================== */
.main-content {
    flex: 1;
    padding: var(--spacing-md);
    padding-bottom: calc(var(--bottom-nav-height) + var(--spacing-lg));
    max-width: 100%;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .main-content {
        max-width: 720px;
        padding: var(--spacing-lg);
    }
}

@media (min-width: 1024px) {
    .main-content {
        max-width: 960px;
    }
}

/* ===================================
   Page Sections
   =================================== */
.page-section {
    display: none;
    animation: fadeIn var(--transition-normal) ease;
}

.page-section.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Quick Add Form
   =================================== */
.quick-add-container {
    margin-bottom: var(--spacing-lg);
}

.quick-add-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.task-input {
    width: 100%;
    padding: var(--spacing-md);
    padding-right: 56px;
    font-size: var(--font-size-md);
    font-family: inherit;
    color: var(--text-color);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    outline: none;
    transition: var(--transition-fast);
}

.task-input:focus {
    border-color: var(--accent-primary);
    background: var(--bg-color);
    box-shadow: var(--shadow-md);
}

.task-input::placeholder {
    color: var(--text-muted);
}

.ai-btn {
    position: absolute;
    right: var(--spacing-sm);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary), #7C3AED);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    transition: var(--transition-fast);
}

.ai-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.ai-btn:active {
    transform: scale(0.95);
}

.ai-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.ai-btn.loading i {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.quick-options {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    align-items: center;
}

.category-select,
.energy-select {
    flex: 1;
    min-width: 140px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--text-color);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.category-select:focus,
.energy-select:focus {
    border-color: var(--accent-primary);
    outline: none;
}

.add-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
    background: var(--accent-primary);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    min-height: 44px;
}

.add-btn:hover {
    background: color-mix(in srgb, var(--accent-primary) 90%, black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.add-btn:active {
    transform: translateY(0);
}

/* ===================================
   AI Suggestions
   =================================== */
.ai-suggestions {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    animation: slideDown var(--transition-normal) ease;
}

.ai-suggestions.hidden {
    display: none;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.suggestions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    color: var(--accent-primary);
}

.close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-color);
}

.suggestions-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.suggestion-item:hover {
    background: var(--bg-tertiary);
}

.suggestion-text {
    flex: 1;
    font-size: var(--font-size-sm);
}

.suggestion-use {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--accent-primary);
    background: transparent;
    border: 1px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.suggestion-use:hover {
    background: var(--accent-primary);
    color: white;
}

/* ===================================
   Filter Tabs
   =================================== */
.filter-tabs {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-muted);
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
    min-height: 40px;
}

.filter-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-color);
}

.filter-tab.active {
    background: var(--text-color);
    color: var(--bg-color);
}

.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 var(--spacing-xs);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
}

.filter-tab.active .badge {
    background: var(--bg-color);
    color: var(--text-color);
}

/* ===================================
   Tasks Container
   =================================== */
.tasks-container {
    min-height: 200px;
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ===================================
   Task Card
   =================================== */
.task-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--cat-inbox);
    cursor: grab;
    transition: var(--transition-fast);
    touch-action: manipulation;
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.task-card.dragging {
    opacity: 0.5;
    cursor: grabbing;
}

.task-card.completed {
    opacity: 0.6;
}

.task-card.completed .task-title {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Category Colors */
.task-card[data-category="work"] {
    border-left-color: var(--cat-work);
}

.task-card[data-category="home"] {
    border-left-color: var(--cat-home);
}

.task-card[data-category="urgent"] {
    border-left-color: var(--cat-urgent);
}

.task-card[data-category="quick"] {
    border-left-color: var(--cat-quick);
}

.task-checkbox {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    margin-top: 2px;
    appearance: none;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
}

.task-checkbox:checked {
    background: var(--accent-success);
    border-color: var(--accent-success);
}

.task-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.task-checkbox:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.task-content {
    flex: 1;
    min-width: 0;
}

.task-title {
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--text-color);
    word-break: break-word;
}

.task-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.task-tag {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 2px var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

.task-actions {
    display: flex;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: var(--transition-fast);
}

.task-card:hover .task-actions,
.task-card:focus-within .task-actions {
    opacity: 1;
}

@media (max-width: 768px) {
    .task-actions {
        opacity: 1;
    }
}

.task-action-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.task-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-color);
}

.task-action-btn.delete:hover {
    background: var(--accent-danger);
    color: white;
}

.task-action-btn.focus:hover {
    background: var(--accent-primary);
    color: white;
}

/* ===================================
   Empty State
   =================================== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    text-align: center;
}

.empty-state.hidden {
    display: none;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.empty-state p {
    color: var(--text-muted);
    max-width: 300px;
}

.empty-hint {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.empty-hint kbd {
    display: inline-block;
    padding: 2px 6px;
    font-family: monospace;
    font-size: var(--font-size-xs);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

/* ===================================
   Daily Summary
   =================================== */
.daily-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.daily-summary.hidden {
    display: none;
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.summary-header h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-color);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===================================
   Focus Mode
   =================================== */
.focus-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 60vh;
}

.focus-inactive,
.focus-active,
.focus-complete-screen {
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.focus-inactive.hidden,
.focus-active.hidden,
.focus-complete-screen.hidden {
    display: none;
}

.focus-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
}

.focus-inactive h2,
.focus-active h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.focus-inactive p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.focus-task-selector {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.focus-task-selector h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.focus-tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 200px;
    overflow-y: auto;
}

.focus-task-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.focus-task-item:hover {
    border-color: var(--accent-primary);
}

.focus-task-item.selected {
    border-color: var(--accent-primary);
    background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-secondary));
}

.focus-task-item input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent-primary);
}

.focus-duration-selector {
    text-align: left;
}

.focus-duration-selector h3 {
    font-size: var(--font-size-md);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.duration-options {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.duration-btn {
    flex: 1;
    min-width: 70px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-color);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.duration-btn:hover {
    border-color: var(--accent-primary);
}

.duration-btn.active {
    border-color: var(--accent-primary);
    background: var(--accent-primary);
    color: white;
}

/* Focus Active */
.focus-task-display {
    margin-bottom: var(--spacing-xl);
}

.focus-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.focus-task-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.timer-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto var(--spacing-xl);
}

.timer-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.timer-bg {
    fill: none;
    stroke: var(--bg-secondary);
    stroke-width: 8;
}

.timer-progress {
    fill: none;
    stroke: var(--accent-primary);
    stroke-width: 8;
    stroke-linecap: round;
    stroke-dasharray: 565.48;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear;
}

.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: baseline;
}

.timer-minutes,
.timer-seconds {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.timer-separator {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0 4px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.focus-controls {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.focus-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
}

.focus-btn.pause {
    background: var(--accent-warning);
    color: white;
}

.focus-btn.complete {
    background: var(--accent-success);
    color: white;
}

.focus-btn.stop {
    background: var(--bg-secondary);
    color: var(--text-color);
}

.focus-btn:hover {
    transform: scale(1.1);
}

.focus-btn:active {
    transform: scale(0.95);
}

.focus-stats {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.focus-stat {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

/* Focus Complete */
.complete-animation {
    font-size: 80px;
    animation: bounce 0.5s ease;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.focus-complete-screen h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: var(--spacing-md) 0;
}

.focus-complete-screen p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
}

.complete-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* ===================================
   History Section
   =================================== */
.history-container {
    max-width: 100%;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.history-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
}

.history-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.history-filters {
    margin-bottom: var(--spacing-md);
}

.history-select {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-family: inherit;
    color: var(--text-color);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.history-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-success);
    color: white;
    border-radius: var(--radius-full);
    font-size: var(--font-size-lg);
}

.history-content {
    flex: 1;
}

.history-title {
    font-weight: 500;
}

.history-date {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===================================
   Settings Section
   =================================== */
.settings-container {
    max-width: 100%;
}

.settings-container h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.settings-group {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.settings-group h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.setting-item {
    margin-bottom: var(--spacing-md);
}

.setting-item:last-child {
    margin-bottom: 0;
}

.setting-item label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.toggle-setting {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toggle-setting label:first-child {
    margin-bottom: 0;
}

.input-with-action {
    display: flex;
    gap: var(--spacing-sm);
}

.setting-input,
.setting-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    font-family: inherit;
    color: var(--text-color);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.setting-input:focus,
.setting-select:focus {
    border-color: var(--accent-primary);
    outline: none;
}

.setting-help {
    display: block;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.setting-help a {
    color: var(--accent-primary);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-tertiary);
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-fast);
    border-radius: var(--radius-full);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.toggle-switch input:focus-visible + .toggle-slider {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ===================================
   FAQ Section
   =================================== */
.faq-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.faq-highlight {
    border-color: var(--accent-success);
    background: color-mix(in srgb, var(--accent-success) 5%, var(--bg-color));
}

.faq-highlight .faq-question {
    font-weight: 600;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    font-size: var(--font-size-md);
    font-weight: 500;
    text-align: left;
    color: var(--text-color);
    background: var(--bg-color);
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-icon {
    transition: transform var(--transition-fast);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-answer[hidden] {
    display: none;
}

/* About Section */
.about-section {
    text-align: center;
}

.app-version {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.app-description {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ===================================
   Bottom Navigation
   =================================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--bg-color);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding-bottom: var(--safe-area-bottom);
    z-index: var(--z-sticky);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-width: 64px;
    min-height: 48px;
    color: var(--text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
    border-radius: var(--radius-md);
}

.nav-item:hover {
    color: var(--text-color);
    background: var(--bg-secondary);
}

.nav-item.active {
    color: var(--accent-primary);
}

.nav-item i {
    font-size: 20px;
    margin-bottom: 4px;
}

.nav-item span {
    font-size: 11px;
    font-weight: 500;
}

/* ===================================
   Toast Notifications
   =================================== */
.toast-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--spacing-md) + var(--safe-area-bottom));
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: var(--z-toast);
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--text-color);
    color: var(--bg-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: toastIn var(--transition-normal) ease;
    pointer-events: auto;
}

.toast.toast-out {
    animation: toastOut var(--transition-normal) ease forwards;
}

.toast.success {
    background: var(--accent-success);
    color: white;
}

.toast.error {
    background: var(--accent-danger);
    color: white;
}

.toast.warning {
    background: var(--accent-warning);
    color: white;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-20px);
    }
}

/* ===================================
   Modals
   =================================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    z-index: var(--z-modal);
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: modalIn var(--transition-normal) ease;
}

.modal-sm {
    max-width: 400px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-color);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Shortcuts Modal */
.shortcuts-list {
    display: grid;
    gap: var(--spacing-md);
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.shortcut-item kbd {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: monospace;
    font-size: var(--font-size-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    min-width: 32px;
    text-align: center;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-md);
    font-family: inherit;
    color: var(--text-color);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    border-color: var(--accent-primary);
    outline: none;
}

/* ===================================
   Buttons
   =================================== */
.btn-primary,
.btn-secondary,
.btn-danger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-md);
    font-weight: 500;
    font-family: inherit;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    min-height: 44px;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover {
    background: color-mix(in srgb, var(--accent-primary) 90%, black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
}

.btn-danger {
    background: var(--accent-danger);
    color: white;
}

.btn-danger:hover {
    background: color-mix(in srgb, var(--accent-danger) 90%, black);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

/* ===================================
   Footer
   =================================== */
.app-footer {
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--bottom-nav-height) + var(--spacing-lg) + var(--safe-area-bottom));
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.app-footer p {
    margin-bottom: var(--spacing-xs);
}

.b20-link {
    color: var(--accent-primary);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.b20-link:hover {
    text-decoration: underline;
}

/* ===================================
   Screen Reader Only
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===================================
   Skeleton Loading
   =================================== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--bg-tertiary) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-task {
    height: 80px;
    margin-bottom: var(--spacing-sm);
}

/* ===================================
   Enhanced Loading States
   =================================== */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--accent-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 16px;
    height: 16px;
    margin: -8px 0 0 -8px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.btn-loading .btn-text {
    opacity: 0;
}

/* Enhanced skeleton for tasks */
.task-skeleton {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    animation: fadeIn 0.3s ease-out;
}

.task-skeleton .skeleton-line {
    height: 16px;
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--border-color) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
}

.task-skeleton .skeleton-line.short {
    width: 60%;
}

.task-skeleton .skeleton-line.long {
    width: 90%;
}

.task-skeleton .skeleton-meta {
    display: flex;
    gap: var(--spacing-sm);
}

.task-skeleton .skeleton-meta .skeleton-line {
    height: 12px;
    width: 40px;
    margin: 0;
}

/* Pulse animation for focus */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.focus-pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* Fade animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-10px); }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

.fade-out {
    animation: fadeOut 0.3s ease-in;
}

/* Scale animations */
@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

@keyframes scaleOut {
    from { transform: scale(1); opacity: 1; }
    to { transform: scale(0.9); opacity: 0; }
}

.scale-in {
    animation: scaleIn 0.2s ease-out;
}

.scale-out {
    animation: scaleOut 0.2s ease-in;
}

/* ===================================
   AI Suggestions Enhanced
   =================================== */
.ai-suggestions {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    max-height: 60vh;
    overflow-y: auto;
}

.suggestions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.suggestions-header span {
    font-weight: 600;
    color: var(--text-color);
}

.suggestions-content {
    padding: var(--spacing-md);
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.suggestion-item:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.suggestion-text {
    flex: 1;
    margin-right: var(--spacing-md);
    line-height: 1.4;
}

.ai-prioritization {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.prioritization-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--accent-primary), color-mix(in srgb, var(--accent-primary) 70%, white));
    color: white;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.prioritization-header i {
    font-size: 1.2em;
}

.prioritization-header h4 {
    margin: 0;
    font-size: var(--font-size-lg);
}

.prioritization-content {
    padding: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.prioritization-content pre {
    background: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-family: var(--font-family);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ===================================
   Task Animations & Feedback
   =================================== */
.task-card {
    transition: all var(--transition-fast);
    transform-origin: top;
}

.task-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.task-card.completed {
    opacity: 0.7;
    transform: scale(0.98);
}

.task-card.completed .task-title {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Shake animation for input errors */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease-in-out;
}

/* Success pulse for buttons */
@keyframes successPulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.success-pulse {
    animation: successPulse 0.6s ease-out;
}

/* Highlight new task */
@keyframes highlightNew {
    0% { background: color-mix(in srgb, var(--accent-success) 20%, var(--bg-secondary)); }
    100% { background: var(--bg-secondary); }
}

.highlight-new {
    animation: highlightNew 2s ease-out;
}

/* Smooth transitions for task state changes */
.task-checkbox {
    transition: all var(--transition-fast);
    transform: scale(1);
}

.task-checkbox:checked {
    transform: scale(1.1);
}

.task-checkbox:checked + .task-content .task-title {
    animation: strikeThrough 0.3s ease-out;
}

@keyframes strikeThrough {
    0% { text-decoration: none; }
    100% { text-decoration: line-through; }
}

/* Enhanced focus states */
.task-card:focus-within {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.task-action-btn {
    transition: all var(--transition-fast);
    transform: scale(1);
}

.task-action-btn:hover {
    transform: scale(1.1);
}

.task-action-btn:active {
    transform: scale(0.95);
}

/* Improved empty state */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.7;
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Task completion animations */
.task-card.completing {
    animation: completeTask 0.3s ease-out;
}

@keyframes completeTask {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}

.task-card.celebrate {
    position: relative;
    overflow: hidden;
}

.task-card.celebrate::before {
    content: '🎉';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 2rem;
    pointer-events: none;
    animation: celebrate 1s ease-out;
    z-index: 10;
}

@keyframes celebrate {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.5);
    }
}

/* Enhanced navigation transitions */
.page-section {
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.page-section:not(.active) {
    opacity: 0;
    transform: translateX(20px);
    pointer-events: none;
}

.page-section.active {
    opacity: 1;
    transform: translateX(0);
}

/* Improved filter tabs */
.filter-tab {
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.filter-tab:hover::before {
    left: 100%;
}

.filter-tab.active {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ===================================
   Drag and Drop
   =================================== */
.drag-over {
    background: color-mix(in srgb, var(--accent-primary) 10%, var(--bg-secondary));
    border: 2px dashed var(--accent-primary);
}

.drag-ghost {
    opacity: 0.8;
    transform: rotate(3deg);
}

/* ===================================
   Enhanced Toast Notifications
   =================================== */
.toast {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid;
    max-width: 400px;
    word-wrap: break-word;
    position: relative;
    overflow: hidden;
}

.toast.success {
    background: color-mix(in srgb, var(--accent-success) 10%, white);
    border-left-color: var(--accent-success);
    color: color-mix(in srgb, var(--accent-success) 80%, black);
}

.toast.error {
    background: color-mix(in srgb, var(--accent-danger) 10%, white);
    border-left-color: var(--accent-danger);
    color: color-mix(in srgb, var(--accent-danger) 80%, black);
}

.toast.warning {
    background: color-mix(in srgb, var(--accent-warning) 10%, white);
    border-left-color: var(--accent-warning);
    color: color-mix(in srgb, var(--accent-warning) 80%, black);
}

.toast.info {
    background: color-mix(in srgb, var(--accent-info) 10%, white);
    border-left-color: var(--accent-info);
    color: color-mix(in srgb, var(--accent-info) 80%, black);
}

.toast-close {
    background: none;
    border: none;
    color: inherit;
    opacity: 0.7;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    margin-left: auto;
    flex-shrink: 0;
}

.toast-close:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.1);
}

.toast-out {
    animation: slideOutRight 0.3s ease-in forwards;
}

@keyframes slideOutRight {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Form validation styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group.error .form-input,
.form-group.error .form-select {
    border-color: var(--accent-danger);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-danger) 20%, transparent);
}

.form-group.error .form-label::after {
    content: ' *';
    color: var(--accent-danger);
}

.form-error {
    color: var(--accent-danger);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    animation: fadeInDown 0.3s ease-out;
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-success {
    color: var(--accent-success);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    animation: fadeInDown 0.3s ease-out;
}

/* ===================================
   Print Styles
   =================================== */
@media print {
    .bottom-nav,
    .app-header,
    .app-footer,
    .toast-container {
        display: none !important;
    }
    
    body {
        padding: 0;
    }
    
    .main-content {
        max-width: 100%;
        padding: 0;
    }
}

/* ===================================
   Responsive Adjustments
   =================================== */
@media (min-width: 768px) {
    .quick-options {
        flex-wrap: nowrap;
    }
    
    .summary-stats {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .timer-container {
        width: 250px;
        height: 250px;
    }
    
    .timer-minutes,
    .timer-seconds {
        font-size: 4rem;
    }
}

@media (min-width: 1024px) {
    .bottom-nav {
        left: 50%;
        transform: translateX(-50%);
        max-width: 500px;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        border-left: 1px solid var(--border-color);
        border-right: 1px solid var(--border-color);
    }
}

/* ===================================
   Focus Visible States
   =================================== */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ===================================
   Privacy Policy Styles
   =================================== */
.privacy-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.privacy-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.privacy-header h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
}

.privacy-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.privacy-meta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.privacy-meta span {
    background: var(--bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.privacy-content {
    max-width: 700px;
    margin: 0 auto;
}

.privacy-section {
    margin-bottom: var(--spacing-2xl);
}

.privacy-section h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.privacy-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-color);
    margin: var(--spacing-lg) 0 var(--spacing-sm) 0;
}

.privacy-section p {
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
}

.privacy-section ul {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.privacy-section li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
    color: var(--text-secondary);
}

.privacy-section li strong {
    color: var(--text-color);
}

.privacy-section em {
    font-style: italic;
    color: var(--text-muted);
}

/* Rights Grid */
.rights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.right-item {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.right-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.right-item h5 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.right-item p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Contact Info */
.contact-info, .contact-details {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin: var(--spacing-lg) 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-color);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.contact-item:hover {
    background: var(--bg-tertiary);
}

.contact-item i {
    color: var(--accent-primary);
    font-size: var(--font-size-lg);
    width: 20px;
}

.contact-item a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-item div {
    flex: 1;
}

.contact-item strong {
    display: block;
    color: var(--text-color);
    margin-bottom: 2px;
}

.contact-item span {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* Privacy Footer */
.privacy-footer {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.privacy-footer p {
    margin: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.privacy-footer em {
    font-style: italic;
}

/* Legal Links */
.legal-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.legal-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-color);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.legal-link:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    transform: translateX(4px);
}

.legal-link i {
    color: var(--accent-primary);
}

/* ===================================
   API Key Input Styles
   =================================== */
.api-key-info {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.info-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-sm);
    color: var(--text-color);
}

.info-header i {
    color: var(--accent-info);
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.key-type {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
}

.pro-key {
    border-color: var(--accent-success);
    background: color-mix(in srgb, var(--accent-success) 5%, var(--bg-color));
}

.free-key {
    border-color: var(--accent-warning);
    background: color-mix(in srgb, var(--accent-warning) 5%, var(--bg-color));
}

.key-icon {
    font-size: var(--font-size-lg);
    width: 32px;
    text-align: center;
}

.key-details strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-color);
    margin-bottom: 2px;
}

.key-details p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.3;
}

.key-details small {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* ===================================
   Enhanced API Key Input Styles
   =================================== */
.input-with-action {
    display: flex;
    gap: var(--spacing-xs);
    align-items: stretch;
}

.input-with-action .setting-input {
    flex: 1;
}

.input-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xs);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.setting-status {
    font-size: var(--font-size-xs);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.setting-status.success {
    color: var(--accent-success);
}

.setting-status.error {
    color: var(--accent-danger);
}

.setting-status.warning {
    color: var(--accent-warning);
}

/* ===================================
   Data Management Styles
   =================================== */
.export-section, .import-section, .reset-section {
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.export-section h4, .import-section h4, .reset-section h4 {
    font-size: var(--font-size-md);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
}

.import-section .setting-item {
    margin-bottom: var(--spacing-md);
}

#merge-mode-help {
    margin-top: var(--spacing-xs);
    font-style: italic;
    color: var(--text-muted);
}

.btn-warning {
    background: var(--accent-warning);
    border: none;
    color: var(--text-color);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-warning:hover {
    background: color-mix(in srgb, var(--accent-warning) 80%, black);
    transform: translateY(-1px);
}

/* API Connection Test Button */
#test-api-connection {
    background: var(--accent-info);
    border: none;
    color: white;
    transition: all var(--transition-fast);
}

#test-api-connection:hover {
    background: color-mix(in srgb, var(--accent-info) 80%, black);
    transform: translateY(-1px);
}

/* ===================================
   Simple Footer Styles
   =================================== */
.app-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer-main p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.footer-main a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

.footer-main a:hover {
    text-decoration: underline;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: var(--font-size-xs);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-separator {
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-bottom p {
    margin: 0;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ===================================
   Enhanced Responsive Design
   =================================== */
/* Tablet and larger screens */
@media (min-width: 768px) {
    .app-container {
        max-width: 800px;
        margin: 0 auto;
        box-shadow: var(--shadow-xl);
        border-radius: var(--radius-xl);
        overflow: hidden;
        min-height: 100vh;
    }

    .main-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .quick-add-container {
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    .tasks-container {
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
    }

    .filter-tabs {
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .daily-summary {
        background: var(--bg-secondary);
        border-radius: var(--radius-lg);
        padding: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }

    .ai-suggestions {
        width: 100%;
        max-width: 600px;
        top: 100px;
    }
}

/* Large screens */
@media (min-width: 1024px) {
    .app-container {
        max-width: 900px;
    }

    .main-content {
        padding: var(--spacing-2xl);
    }

    .quick-add-container {
        display: flex;
        gap: var(--spacing-lg);
        align-items: flex-start;
    }

    .quick-add-form {
        flex: 1;
    }

    .quick-options {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-md);
        min-width: 200px;
    }

    .add-btn {
        align-self: flex-end;
    }
}

/* Small mobile improvements */
@media (max-width: 480px) {
    .app-header {
        padding: var(--spacing-md);
    }

    .header-left h1 {
        font-size: var(--font-size-xl);
    }

    .logo-image {
        height: 24px;
    }

    .main-content {
        padding: var(--spacing-md);
    }

    .task-card {
        padding: var(--spacing-md);
    }

    .task-title {
        font-size: var(--font-size-md);
    }

    .filter-tabs {
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
        /* Allow horizontal scroll for small screens */
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .filter-tabs::-webkit-scrollbar {
        display: none;
    }

    .filter-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
        min-height: 36px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* Abbreviate text on medium small screens */
    .filter-tab[data-filter="all"] span:first-child {
        display: none;
    }

    .filter-tab[data-filter="all"]::before {
        content: "Tudo";
    }

    .filter-tab[data-filter="today"] span:first-child {
        display: none;
    }

    .filter-tab[data-filter="today"]::before {
        content: "Hoje";
    }

    .filter-tab[data-filter="urgent"] span:first-child {
        display: none;
    }

    .filter-tab[data-filter="urgent"]::before {
        content: "Urg.";
    }

    .filter-tab[data-filter="quick"] span:first-child {
        display: none;
    }

    .filter-tab[data-filter="quick"]::before {
        content: "Ráp.";
    }

    /* Ensure badges are always visible */
    .filter-tab .badge {
        font-size: 10px;
        min-width: 16px;
        height: 16px;
        flex-shrink: 0;
    }

    /* For very small screens (360px and below) */
    @media (max-width: 360px) {
        .filter-tabs {
            gap: 2px;
            padding: var(--spacing-xs);
        }

        .filter-tab {
            padding: 6px 8px;
            font-size: 11px;
            min-height: 32px;
        }

        /* Use only icons on very small screens */
        .filter-tab[data-filter="all"]::before {
            content: "📋";
        }

        .filter-tab[data-filter="today"]::before {
            content: "📅";
        }

        .filter-tab[data-filter="urgent"]::before {
            content: "🔥";
        }

        .filter-tab[data-filter="quick"]::before {
            content: "⚡";
        }

        .filter-tab .badge {
            font-size: 9px;
            min-width: 14px;
            height: 14px;
        }
    }

    .bottom-nav a {
        padding: var(--spacing-md);
    }

    .toast {
        max-width: calc(100vw - 2rem);
        margin: 0 var(--spacing-md);
    }

    /* Privacy mobile styles */
    .privacy-container {
        padding: var(--spacing-md);
    }

    .privacy-header h2 {
        font-size: var(--font-size-2xl);
    }

    .privacy-meta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .rights-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .contact-info, .contact-details {
        padding: var(--spacing-md);
    }

    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }

    .contact-item i {
        width: auto;
    }

    /* Footer mobile styles */
    .footer-content {
        gap: var(--spacing-sm);
    }

    .footer-links {
        gap: var(--spacing-sm);
    }

    .footer-bottom p {
        font-size: 11px;
    }
}

/* ===================================
   Micro-interactions & State Indicators
   =================================== */
/* Enhanced button interactions */
.icon-btn, .task-action-btn {
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.icon-btn::before,
.task-action-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.icon-btn:active::before,
.task-action-btn:active::before {
    width: 300px;
    height: 300px;
}

/* Haptic feedback simulation */
.icon-btn:active,
.task-action-btn:active {
    transform: scale(0.95);
}

/* Enhanced hover states */
.nav-item {
    position: relative;
    transition: all var(--transition-fast);
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
    transform: translateX(-50%);
    transition: width var(--transition-fast);
}

.nav-item.active::after,
.nav-item:hover::after {
    width: 60%;
}

/* Task action buttons with better states */
.task-action-btn.focus {
    color: var(--accent-info);
}

.task-action-btn.edit {
    color: var(--accent-warning);
}

.task-action-btn.delete {
    color: var(--accent-danger);
}

.task-action-btn:hover {
    background: currentColor;
    color: white;
    transform: scale(1.1);
}

/* Form input enhancements */
.task-input, .form-input, .form-select {
    transition: all var(--transition-fast);
    position: relative;
}

.task-input:focus, .form-input:focus, .form-select:focus {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.task-input::placeholder {
    transition: opacity var(--transition-fast);
}

.task-input:focus::placeholder {
    opacity: 0.6;
}

/* Enhanced checkbox animations */
.task-checkbox {
    position: relative;
    transition: all var(--transition-fast);
}

.task-checkbox::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: var(--accent-success);
    transform: translate(-50%, -50%);
    transition: all 0.3s;
    z-index: -1;
}

.task-checkbox:checked::before {
    width: 40px;
    height: 40px;
    opacity: 0.2;
}

/* Filter tab interactions */
.filter-tab {
    position: relative;
    overflow: hidden;
}

.filter-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.filter-tab:hover::before {
    left: 100%;
}

.filter-tab.active {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Modal enhancements */
.modal-backdrop {
    animation: fadeIn 0.3s ease-out;
}

.modal-content {
    animation: scaleIn 0.3s ease-out;
}

.modal-close:hover {
    transform: rotate(90deg);
}

/* Loading states for various elements */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    z-index: 10;
}

/* ===================================
   Smart State Indicators
   =================================== */
/* Urgent task indicator */
.task-card[data-category="urgent"] {
    border-left: 4px solid var(--accent-danger);
    background: linear-gradient(90deg, color-mix(in srgb, var(--accent-danger) 5%, var(--bg-color)), var(--bg-color));
}

.task-card[data-category="urgent"] .task-title::before {
    content: '🔥';
    margin-right: var(--spacing-xs);
    animation: pulse 2s infinite;
}

/* Quick task indicator */
.task-card[data-category="quick"] .task-title::before {
    content: '⚡';
    margin-right: var(--spacing-xs);
}

/* Work task indicator */
.task-card[data-category="work"] .task-title::before {
    content: '💼';
    margin-right: var(--spacing-xs);
}

/* Home task indicator */
.task-card[data-category="home"] .task-title::before {
    content: '🏠';
    margin-right: var(--spacing-xs);
}

/* Inbox task indicator */
.task-card[data-category="inbox"] .task-title::before {
    content: '📥';
    margin-right: var(--spacing-xs);
}

/* Energy level indicators with colors */
.task-card[data-energy="high"] .energy-indicator {
    background: var(--energy-high);
}

.task-card[data-energy="medium"] .energy-indicator {
    background: var(--energy-medium);
}

.task-card[data-energy="low"] .energy-indicator {
    background: var(--energy-low);
}

/* Today indicator */
.task-card.today {
    border-left: 4px solid var(--accent-info);
    background: linear-gradient(90deg, color-mix(in srgb, var(--accent-info) 5%, var(--bg-color)), var(--bg-color));
}

.task-card.today .task-title::after {
    content: '📅 Hoje';
    font-size: var(--font-size-xs);
    background: var(--accent-info);
    color: white;
    padding: 2px var(--spacing-xs);
    border-radius: var(--radius-sm);
    margin-left: var(--spacing-sm);
}

/* Completed task styling */
.task-card.completed {
    opacity: 0.7;
    background: color-mix(in srgb, var(--bg-tertiary) 50%, var(--bg-color));
    border-color: var(--border-color);
}

.task-card.completed .task-checkbox {
    accent-color: var(--accent-success);
}

/* ===================================
   Enhanced Visual Hierarchy
   =================================== */
/* Better typography scale */
.app-logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.section-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.task-title {
    font-size: var(--font-size-lg);
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-color);
}

/* Enhanced task cards */
.task-card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.task-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

/* Better button hierarchy */
.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), color-mix(in srgb, var(--accent-primary) 80%, black));
    border: none;
    color: white;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.btn-danger {
    background: var(--accent-danger);
    border: none;
    color: white;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-danger:hover {
    background: color-mix(in srgb, var(--accent-danger) 80%, black);
    transform: translateY(-1px);
}

/* ===================================
   Reduced Motion
   =================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}