/* ==========================================
   من صفر إلى حافظ في سنة واحدة
   Islamic Quran Memorization Tracker
   ========================================== */

/* ========== CSS Variables ========== */
:root {
    /* Color Palette - Calm Islamic Colors */
    --color-primary: #4CAF50;
    --color-primary-light: #81C784;
    --color-primary-dark: #388E3C;
    --color-secondary: #8BC34A;
    --color-accent: #FFA726;
    --color-success: #66BB6A;
    --color-warning: #FFA726;
    --color-danger: #EF5350;
    --color-info: #42A5F5;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-bg: #F5F5DC;
    --color-bg-light: #FAFAF8;
    --color-bg-green: #E8F5E9;
    --color-beige: #D7CCC8;
    --color-beige-light: #EFEBE9;
    --color-text: #2E2E2E;
    --color-text-light: #5D5D5D;
    --color-text-lighter: #9E9E9E;
    --color-border: #E0E0E0;
    --color-shadow: rgba(0, 0, 0, 0.1);
    
    /* Typography */
    --font-primary: 'Cairo', 'Tajawal', sans-serif;
    --font-display: 'Amiri', serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px var(--color-shadow);
    --shadow-md: 0 4px 8px var(--color-shadow);
    --shadow-lg: 0 8px 16px var(--color-shadow);
    --shadow-xl: 0 12px 24px var(--color-shadow);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ========== Global Styles ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    direction: rtl;
    text-align: right;
    overflow-x: hidden;
}

/* ========== Typography ========== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
}

/* ========== Loading Overlay ========== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-white) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.islamic-pattern-loader {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border: 4px solid var(--color-primary-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-primary);
}

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

/* ========== Navigation ========== */
.main-nav {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-brand i {
    font-size: 1.5rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-xs) var(--spacing-md);
    color: var(--color-text-light);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    background-color: var(--color-bg-green);
    color: var(--color-primary);
}

/* ========== Hero Section ========== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-white) 50%, var(--color-beige-light) 100%);
    overflow: hidden;
}

.islamic-pattern-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(76, 175, 80, 0.03) 35px, rgba(76, 175, 80, 0.03) 70px);
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    max-width: 900px;
}

.hero-title {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 3rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.hero-description {
    font-size: 1.5rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
}

.quran-verse {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-xl);
}

.verse-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 2;
}

.verse-reference {
    font-size: 1rem;
    color: var(--color-text-light);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    font-size: 2rem;
    color: var(--color-primary);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* Fade-in Animations */
.fade-in {
    animation: fadeIn 1s ease-in;
}

.fade-in-delay {
    animation: fadeIn 1s ease-in 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-in 0.6s backwards;
}

.fade-in-delay-3 {
    animation: fadeIn 1s ease-in 0.9s backwards;
}

.fade-in-delay-4 {
    animation: fadeIn 1s ease-in 1.2s backwards;
}

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

/* ========== Container & Sections ========== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-light);
}

/* ========== Buttons ========== */
.btn-primary,
.btn-secondary,
.btn-danger {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-danger:hover {
    background: #E53935;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
}

.btn-complete {
    width: 100%;
}

/* ========== Stats Grid ========== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-white);
}

.stat-icon.green { background: linear-gradient(135deg, var(--color-success) 0%, var(--color-primary) 100%); }
.stat-icon.blue { background: linear-gradient(135deg, var(--color-info) 0%, #1976D2 100%); }
.stat-icon.orange { background: linear-gradient(135deg, var(--color-warning) 0%, #F57C00 100%); }
.stat-icon.purple { background: linear-gradient(135deg, #AB47BC 0%, #7B1FA2 100%); }

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* ========== Charts ========== */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.chart-title {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.chart-wrapper {
    position: relative;
}

/* ========== Achievements ========== */
.achievements-section {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.achievements-title {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.achievement-badge {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-green);
    transition: var(--transition);
}

.achievement-badge.locked {
    opacity: 0.4;
}

.achievement-badge:not(.locked):hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.achievement-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

.achievement-name {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
}

/* ========== Daily Tracker ========== */
.daily-tracker {
    max-width: 800px;
    margin: 0 auto;
}

.today-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

.today-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-border);
}

.today-date h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.today-date p {
    font-size: 1rem;
    color: var(--color-text-light);
    margin: 0;
}

.today-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--color-bg);
    font-weight: 600;
}

.today-status.completed {
    background: var(--color-bg-green);
    color: var(--color-success);
}

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

.form-group label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

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

.input-group input {
    flex: 1;
}

.input-group select {
    min-width: 120px;
}

/* Quick Stats */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.quick-stat-item {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.quick-stat-item i {
    font-size: 2rem;
    color: var(--color-primary);
}

.quick-stat-item strong {
    display: block;
    font-size: 1.5rem;
    color: var(--color-text);
}

.quick-stat-item span {
    display: block;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ========== Calendar ========== */
.calendar-controls {
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
}

.legend {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

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

.legend-color {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 2px solid var(--color-border);
}

.legend-color.completed { background: var(--color-success); }
.legend-color.today { background: var(--color-primary); border-color: var(--color-primary-dark); }
.legend-color.pending { background: var(--color-bg); }
.legend-color.missed { background: var(--color-danger); }

.year-calendar {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.calendar-month {
    margin-bottom: var(--spacing-xl);
}

.month-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 8px;
}

.calendar-day {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.calendar-day:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.calendar-day.completed {
    background: var(--color-success);
    border-color: var(--color-success);
    color: var(--color-white);
}

.calendar-day.today {
    background: var(--color-primary);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.calendar-day.pending {
    background: var(--color-bg);
}

.calendar-day.missed {
    background: var(--color-danger);
    border-color: var(--color-danger);
    color: var(--color-white);
}

/* Day Tooltip */
.day-tooltip {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: var(--color-white);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    margin-bottom: 8px;
}

.calendar-day:hover .day-tooltip {
    opacity: 1;
}

/* ========== Weekly & Monthly Review ========== */
.weekly-review,
.monthly-review {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.review-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.week-number {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

/* Rating Scale */
.rating-scale {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-top: var(--spacing-sm);
}

.rating-btn {
    width: 50px;
    height: 50px;
    border: 2px solid var(--color-border);
    background: var(--color-white);
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

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

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

/* History Lists */
.weekly-history,
.monthly-history {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.history-list {
    max-height: 600px;
    overflow-y: auto;
}

.history-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: var(--transition);
}

.history-item:hover {
    background: var(--color-bg-green);
}

.history-item:last-child {
    border-bottom: none;
}

.history-date {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.history-preview {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* Monthly Stats Grid */
.monthly-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.monthly-stat-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.monthly-stat-card h4 {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
}

.month-name {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-md);
}

.stat-value-large {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat-description {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ========== Completion Celebration ========== */
.completion-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-green) 0%, var(--color-white) 100%);
}

.celebration-content {
    text-align: center;
    max-width: 800px;
    background: var(--color-white);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.celebration-icon {
    font-size: 6rem;
    color: var(--color-warning);
    margin-bottom: var(--spacing-lg);
    animation: celebrationPulse 2s infinite;
}

@keyframes celebrationPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.celebration-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.celebration-text {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
    line-height: 2;
}

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

.celebration-stat strong {
    display: block;
    font-size: 3rem;
    color: var(--color-primary);
}

.celebration-stat span {
    display: block;
    font-size: 1rem;
    color: var(--color-text-light);
}

/* ========== Floating Actions ========== */
.floating-actions {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 1000;
}

.fab-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.fab-btn:hover {
    transform: scale(1.1);
    background: var(--color-primary-dark);
}

/* ========== Scroll to Top ========== */
.scroll-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 1000;
}

.scroll-top.visible {
    opacity: 1;
    pointer-events: all;
}

.scroll-top:hover {
    transform: scale(1.1);
    background: var(--color-primary-dark);
}

/* ========== Modal ========== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--color-white);
    max-width: 500px;
    width: 90%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

.modal-header h3 {
    margin: 0;
    color: var(--color-text);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--color-danger);
}

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

.modal-body p {
    margin: 0;
    color: var(--color-text);
}

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

/* ========== Toast Notifications ========== */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.toast {
    background: var(--color-white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastSlideIn 0.3s ease;
}

.toast.success { border-right: 4px solid var(--color-success); }
.toast.error { border-right: 4px solid var(--color-danger); }
.toast.info { border-right: 4px solid var(--color-info); }
.toast.warning { border-right: 4px solid var(--color-warning); }

@keyframes toastSlideIn {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.toast-icon {
    font-size: 1.5rem;
}

.toast.success .toast-icon { color: var(--color-success); }
.toast.error .toast-icon { color: var(--color-danger); }
.toast.info .toast-icon { color: var(--color-info); }
.toast.warning .toast-icon { color: var(--color-warning); }

.toast-message {
    font-weight: 500;
    color: var(--color-text);
}

/* ========== Responsive Design ========== */
@media (max-width: 1200px) {
    .weekly-review,
    .monthly-review {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-menu.active {
        max-height: 500px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 2rem;
    }
    
    .verse-text {
        font-size: 1.4rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-container {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid {
        grid-template-columns: repeat(auto-fill, minmax(35px, 1fr));
        gap: 4px;
    }
    
    .floating-actions {
        left: var(--spacing-sm);
        bottom: var(--spacing-sm);
    }
    
    .scroll-top {
        right: var(--spacing-sm);
        bottom: var(--spacing-sm);
    }
    
    .fab-btn {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .today-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .input-group select {
        width: 100%;
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid {
        grid-template-columns: repeat(7, 1fr);
    }
    
    .rating-scale {
        flex-wrap: wrap;
    }
    
    .monthly-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .celebration-title {
        font-size: 1.8rem;
    }
    
    .celebration-text {
        font-size: 1.3rem;
    }
    
    .celebration-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ========== Print Styles (Preview) ========== */
@media print {
    .main-nav,
    .floating-actions,
    .scroll-top,
    .btn-primary,
    .btn-secondary,
    .modal {
        display: none !important;
    }
    
    body {
        background: var(--color-white);
    }
    
    .section {
        page-break-inside: avoid;
    }
}