/**
 * Relógio de Oração - Styles
 * Desenvolvido por B20 Conteúdo Digital
 * https://www.b20.com.br
 * 
 * Design Styles: Clean & Minimal + Health & Wellness + Glassmorphism
 * Palette: Soft & Serene
 */

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

/* ===== CSS VARIABLES ===== */
:root {
    /* Primary Palette - Soft & Serene */
    --primary-color: #1E3A5F;
    --secondary-color: #4F6D8A;
    --accent-color: #6D597A;
    --surface-color: #F8FAFC;
    --text-color: #1E3A5F;
    
    /* Extended Colors */
    --primary-light: #E8F4FD;
    --primary-lighter: #D4E7F7;
    --primary-lightest: #B8D4F0;
    --primary-hover: #152a47;
    --secondary-light: #9CC3E9;
    --accent-light: #8B7A9E;
    
    /* Semantic Colors */
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --info-color: #3B82F6;
    
    /* Neutral Colors */
    --bg-color: #F8FAFC;
    --bg-secondary: #EEF2F7;
    --text-primary: #1E3A5F;
    --text-secondary: #4F6D8A;
    --text-muted: #94A3B8;
    --border-color: #E2E8F0;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(30, 58, 95, 0.1);
    
    /* Layout */
    --header-height: 60px;
    --bottom-nav-height: 65px;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-display: 'Playfair Display', Georgia, serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 500;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-toast: 1100;
}

/* ===== DARK MODE ===== */
[data-theme="dark"] {
    --primary-color: #7BB3E2;
    --secondary-color: #9CC3E9;
    --accent-color: #B8A4C9;
    --surface-color: #1A1F2E;
    --text-color: #F8FAFC;
    
    --primary-light: #2A3F5F;
    --primary-lighter: #1E3A5F;
    --primary-lightest: #152a47;
    --primary-hover: #9CC3E9;
    
    --bg-color: #0F1219;
    --bg-secondary: #1A1F2E;
    --text-primary: #F8FAFC;
    --text-secondary: #B8D4F0;
    --text-muted: #6B7A8F;
    --border-color: #2A3F5F;
    
    --glass-bg: rgba(26, 31, 46, 0.8);
    --glass-border: rgba(123, 179, 226, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* ===== BASE STYLES ===== */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-color);
    min-height: 100vh;
    padding-top: var(--header-height);
    padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom, 0px));
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Background Gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(184, 212, 240, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(109, 89, 122, 0.2) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
    z-index: -1;
    pointer-events: none;
}

[data-theme="dark"] body::before {
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(30, 58, 95, 0.4) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(109, 89, 122, 0.3) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-color) 0%, var(--bg-secondary) 100%);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-3xl); }
h2 { font-size: var(--font-size-2xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-hover);
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: 100%;
    padding: var(--spacing-md);
    margin: 0 auto;
}

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

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

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

/* ===== GLASS CARD ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(30, 58, 95, 0.15);
}

[data-theme="dark"] .glass-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-base);
    min-height: 48px;
    min-width: 48px;
}

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

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
}

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

.btn-ghost:hover {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

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

.btn-danger:hover {
    background: #DC2626;
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius);
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
    min-height: 36px;
}

.btn-icon {
    width: 44px;
    height: 44px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* ===== HEADER ===== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    z-index: var(--z-fixed);
}

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

.header-logo i {
    font-size: 24px;
    color: var(--primary-color);
}

.header-logo h1 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

@media (max-width: 480px) {
    .header-logo h1 {
        font-size: var(--font-size-base);
    }
}

.desktop-nav {
    display: none;
}

@media (min-width: 768px) {
    .desktop-nav {
        display: flex;
        gap: var(--spacing-xl);
    }
    
    .desktop-nav .nav-link {
        display: flex;
        align-items: center;
        padding: 8px 4px;
        color: var(--text-secondary);
        font-size: var(--font-size-base);
        font-weight: 500;
        transition: all var(--transition-fast);
        border-bottom: 2px solid transparent;
    }
    
    .desktop-nav .nav-link:hover {
        color: var(--primary-color);
    }

    .desktop-nav .nav-link.active {
        color: var(--primary-color);
        font-weight: 600;
        border-bottom: 2px solid var(--primary-color);
    }
    
    .desktop-nav .nav-link i {
        font-size: 16px;
    }
}

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

/* ===== BOTTOM NAVIGATION ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    z-index: var(--z-fixed);
}

@media (min-width: 768px) {
    .bottom-nav {
        display: none !important;
    }
    
    body {
        padding-bottom: 0;
    }
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 8px 12px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 10px;
    font-weight: 500;
    transition: all var(--transition-fast);
    min-width: 56px;
    min-height: 48px;
}

.nav-item i {
    font-size: 20px;
    transition: transform var(--transition-fast);
}

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

.nav-item.active i {
    transform: scale(1.1);
}

/* ===== SECTIONS ===== */
.section {
    display: none;
    min-height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
    padding-bottom: calc(var(--bottom-nav-height) + var(--spacing-xl) + env(safe-area-inset-bottom, 0px));
    animation: fadeIn var(--transition-base);
}

.section.active {
    display: block;
}

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

.page-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
}

.page-header h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.page-header h2 i {
    color: var(--primary-color);
}

.page-header p {
    color: var(--text-muted);
    margin-bottom: 0;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: var(--spacing-xl) 0 var(--spacing-md);
}

.section-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.section-header h3 i {
    color: var(--primary-color);
}

.link-more {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
}

/* ===== HOME SECTION ===== */
/* Hero Card */
.hero-card {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-family-display);
    font-size: var(--font-size-2xl);
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
}

.hero-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 400px;
}

.hero-visual {
    position: absolute;
    top: 50%;
    right: -20px;
    transform: translateY(-50%);
    opacity: 0.3;
    z-index: 1;
}

@media (min-width: 768px) {
    .hero-visual {
        opacity: 0.5;
        right: 20px;
    }
}

.hero-clock {
    width: 150px;
    height: 150px;
}

.clock-face {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-lighter) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--primary-color);
}

.clock-time {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary-color);
}

.clock-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Floating Particles */
.floating-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.6;
    }
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    padding: var(--spacing-md);
    text-align: center;
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
}

.stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

@media (min-width: 768px) {
    .stats-grid {
        gap: var(--spacing-md);
    }
    
    .stat-card {
        padding: var(--spacing-lg);
    }
    
    .stat-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .stat-value {
        font-size: var(--font-size-2xl);
    }
    
    .stat-label {
        font-size: var(--font-size-sm);
    }
}

/* Goal Card */
.goal-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

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

.goal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.goal-header h3 i {
    color: var(--primary-color);
}

.goal-progress {
    text-align: center;
}

.progress-bar {
    height: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-full);
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius-full);
    transition: width var(--transition-slow);
}

.progress-info {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* Quick Sessions Grid */
.quick-sessions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

@media (min-width: 768px) {
    .quick-sessions-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-md);
    }
}

.quick-session-card {
    padding: var(--spacing-md);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.quick-session-card:hover {
    border-color: var(--primary-color);
}

.quick-session-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    background: var(--primary-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
}

.quick-session-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.quick-session-duration {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Verse Card */
.verse-card {
    padding: var(--spacing-xl);
    text-align: center;
    margin-top: var(--spacing-lg);
    position: relative;
}

.verse-icon {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-size: 24px;
    color: var(--primary-light);
}

.verse-text {
    font-family: var(--font-family-display);
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.verse-reference {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
    font-weight: 500;
}

/* Recent Activity */
.recent-activity {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--glass-border);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

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

.activity-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.activity-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.activity-duration {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.empty-state span {
    font-size: var(--font-size-sm);
}

/* ===== TIMER SECTION ===== */
.timer-fullscreen {
    position: relative;
    min-height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .timer-fullscreen {
        min-height: calc(100vh - var(--header-height));
    }
}

/* Ambient Background */
.ambient-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

.ambient-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--bg-color) 70%);
}

.ambient-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

/* Timer Content */
.timer-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 400px;
}

.timer-session-info {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.session-category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.session-title {
    font-family: var(--font-family-display);
    font-size: var(--font-size-xl);
    color: var(--text-primary);
}

/* Timer Display */
.timer-display {
    margin-bottom: var(--spacing-xl);
}

.timer-circle {
    position: relative;
    width: 250px;
    height: 250px;
}

@media (min-width: 768px) {
    .timer-circle {
        width: 300px;
        height: 300px;
    }
}

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

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

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

.timer-time-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.timer-time {
    display: block;
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

@media (min-width: 768px) {
    .timer-time {
        font-size: 4rem;
    }
}

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

/* Timer Controls */
.timer-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.timer-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all var(--transition-base);
}

.timer-btn-primary {
    width: 72px;
    height: 72px;
    background: var(--primary-color);
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 20px rgba(30, 58, 95, 0.3);
}

.timer-btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 24px rgba(30, 58, 95, 0.4);
}

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

.timer-btn-secondary:hover {
    background: var(--primary-light);
    color: var(--primary-color);
}

/* Quick Time Selection */
.timer-quick-times {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.quick-time-btn {
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 40px;
}

.quick-time-btn:hover,
.quick-time-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Ambient Controls */
.ambient-controls {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.ambient-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.ambient-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.ambient-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all var(--transition-fast);
}

.ambient-btn:hover,
.ambient-btn.active {
    background: var(--primary-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.volume-control {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
}

.volume-control input[type="range"] {
    width: 120px;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-full);
    outline: none;
}

.volume-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
}

/* Timer Message */
.timer-message {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
}

.timer-message p {
    font-family: var(--font-family-display);
    font-style: italic;
    color: var(--text-secondary);
    margin: 0;
}

/* Timer Exit Button */
.timer-exit-btn {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    z-index: 10;
}

.timer-exit-btn:hover {
    background: var(--danger-color);
    color: white;
    border-color: var(--danger-color);
}

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

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

.filter-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    min-height: 40px;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Sessions Grid */
.sessions-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .sessions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.session-card {
    padding: var(--spacing-lg);
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition-base);
}

.session-card:hover {
    border-color: var(--primary-color);
}

.session-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.session-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
    flex-shrink: 0;
}

.session-card-info {
    flex: 1;
    min-width: 0;
}

.session-card-category {
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.session-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 4px;
}

.session-card-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.session-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.session-card-duration {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.session-card-ambient {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ===== HISTORY SECTION ===== */
/* Progress Overview */
.progress-overview {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .progress-overview {
        grid-template-columns: repeat(4, 1fr);
    }
}

.progress-card {
    padding: var(--spacing-lg);
    text-align: center;
}

.progress-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto var(--spacing-sm);
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary-color);
}

.progress-card-icon.streak {
    background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
    color: white;
}

.progress-card-icon.sessions {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
}

.progress-card-icon.best {
    background: linear-gradient(135deg, #8B5CF6 0%, #6366F1 100%);
    color: white;
}

.progress-card-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
}

.progress-card-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Weekly Goal Card */
.weekly-goal-card {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

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

.weekly-goal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.weekly-goal-header h3 i {
    color: var(--primary-color);
}

.weekly-goal-status {
    font-size: var(--font-size-xs);
    padding: 4px 8px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: var(--border-radius-full);
    font-weight: 500;
}

.weekly-days {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.week-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.week-day-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    font-weight: 500;
}

.week-day-indicator {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.week-day-indicator.completed {
    background: var(--success-color);
    color: white;
}

.week-day-indicator.today {
    border: 2px solid var(--primary-color);
}

.weekly-summary {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* History List */
.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(--glass-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--glass-border);
}

.history-item-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

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

.history-item-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

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

.history-item-duration {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary-color);
    flex-shrink: 0;
}

/* ===== BIBLE SECTION ===== */
/* Bible Search */
.bible-search {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    padding: 0 var(--spacing-md);
}

.search-input-wrapper i {
    color: var(--text-muted);
}

.search-input-wrapper input {
    flex: 1;
    padding: 12px 0;
    border: none;
    background: transparent;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    outline: none;
}

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

.search-clear-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.search-clear-btn.visible {
    display: flex;
}

.search-clear-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* Bible Navigation */
.bible-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.bible-selects {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
}

.bible-select {
    flex: 1;
    padding: 12px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    cursor: pointer;
    outline: none;
    min-height: 48px;
}

.bible-select:focus {
    border-color: var(--primary-color);
}

.bible-nav-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Bible Content */
.bible-content {
    padding: var(--spacing-lg);
    min-height: 300px;
}

.bible-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    color: var(--text-muted);
    text-align: center;
}

.bible-placeholder i {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.bible-chapter-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.bible-verses {
    line-height: 1.8;
}

.bible-verse {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.bible-verse:hover {
    background: var(--primary-light);
}

.verse-number {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--primary-color);
    min-width: 24px;
    flex-shrink: 0;
}

.verse-text-content {
    flex: 1;
    color: var(--text-primary);
}

.verse-favorite-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    opacity: 0;
}

.bible-verse:hover .verse-favorite-btn {
    opacity: 1;
}

.verse-favorite-btn:hover,
.verse-favorite-btn.favorited {
    color: var(--danger-color);
}

.verse-favorite-btn.favorited {
    opacity: 1;
}

/* Favorite Verses */
.favorite-verses {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.favorite-verse-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--glass-border);
}

.favorite-verse-content {
    flex: 1;
}

.favorite-verse-text {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-style: italic;
}

.favorite-verse-ref {
    font-size: var(--font-size-xs);
    color: var(--primary-color);
    font-weight: 500;
}

.favorite-verse-remove {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.favorite-verse-remove:hover {
    background: var(--danger-color);
    color: white;
}

/* ===== ABOUT SECTION ===== */
.about-content {
    max-width: 600px;
    margin: 0 auto;
}

.about-card {
    padding: var(--spacing-xl);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.about-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
}

.about-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xs);
}

.about-tagline {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.about-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Features List */
.features-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
}

.feature-item i {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 18px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: var(--font-size-base);
    margin-bottom: 4px;
}

.feature-item p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: 0;
}

/* FAQ Section */
.faq-section {
    margin-bottom: var(--spacing-xl);
}

.faq-section h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.faq-section h3 i {
    color: var(--primary-color);
}

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

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

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

.faq-question:hover {
    background: var(--primary-light);
}

.faq-icon {
    color: var(--primary-color);
    transition: transform var(--transition-base);
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    animation: slideDown var(--transition-base);
}

.faq-answer p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

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

/* Version Info */
.version-info {
    padding: var(--spacing-md);
    text-align: center;
}

.version-info p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin: var(--spacing-xs) 0;
}

/* ===== MODALS ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal.active {
    display: flex;
}

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

.modal-content {
    position: relative;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp var(--transition-base);
}

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

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

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
}

.modal-header h3 i {
    color: var(--primary-color);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

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

.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);
}

/* Time Input Group */
.time-input-group {
    margin-bottom: var(--spacing-md);
}

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

.time-input-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--text-primary);
    background: var(--bg-secondary);
    outline: none;
    transition: border-color var(--transition-fast);
}

.time-input-group input:focus {
    border-color: var(--primary-color);
}

/* Goal Presets */
.goal-presets {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.preset-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-full);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-btn:hover,
.preset-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Complete Modal */
.complete-modal-content {
    text-align: center;
    padding: var(--spacing-xl);
}

.complete-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: white;
    animation: scaleIn var(--transition-bounce);
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.complete-modal-content h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.complete-message {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.complete-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.complete-stat {
    text-align: center;
}

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

.complete-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.complete-verse {
    padding: var(--spacing-md);
    background: var(--primary-light);
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-lg);
}

.complete-verse blockquote {
    font-family: var(--font-family-display);
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.complete-verse cite {
    font-size: var(--font-size-sm);
    color: var(--primary-color);
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-height) + var(--spacing-md) + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

@media (min-width: 768px) {
    .toast-container {
        bottom: var(--spacing-lg);
    }
}

.toast {
    padding: 12px 24px;
    background: var(--text-primary);
    color: var(--bg-color);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastIn var(--transition-base);
    pointer-events: auto;
}

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

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

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

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

.toast.hiding {
    animation: toastOut var(--transition-base) forwards;
}

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

/* ===== FOOTER ===== */
.app-footer {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

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

.app-footer .b20-link {
    color: var(--primary-color);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

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

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== FOCUS STYLES ===== */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .app-header,
    .bottom-nav,
    .app-footer {
        display: none;
    }
    
    body {
        padding: 0;
    }
    
    .section {
        display: block !important;
    }
}