/* Modern CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {

    /* Primary - Vibrant Orange (Food/Energy) */
    --primary-color: #FF6B35;
    --primary-dark: #E5572F;
    --primary-light: #FF8C61;
    
    /* Secondary - Deep Teal (Trust/Fresh) */
    --secondary-color: #14746F;
    --secondary-dark: #0F5651;
    --secondary-light: #1A8F88;
    
    /* Accent - Golden Yellow (Appetite) */
    --accent-color: #FFC857;
    --accent-dark: #E5B34F;
    --accent-light: #FFD47A;
    
    /* Semantic Colors */
    --danger-color: #EF476F;
    --warning-color: #FFB627;
    --success-color: #06D6A0;
    --info-color: #118AB2;
    
    /* Additional Warm Colors for variety */
    --warm-orange: #FF8C61;
    --warm-red: #EF476F;
    --warm-yellow: #FFD166;
    --warm-green: #06D6A0;
    --warm-brown: #8B7355;
    
    /* Neutral Colors - Warmer grays */
    --gray-50: #FAFAF9;
    --gray-100: #F5F5F4;
    --gray-200: #E7E5E4;
    --gray-300: #D6D3D1;
    --gray-400: #A8A29E;
    --gray-500: #78716C;
    --gray-600: #57534E;
    --gray-700: #44403C;
    --gray-800: #292524;
    --gray-900: #1C1917;
    
    /* Background - Warm off-white */
    --background-primary: #FFF8F0;
    --background-secondary: #FFFFFF;
    
    /* Rest of your variables stay the same... */
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-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: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

/* === Save Recipe Button in Chat === */
.save-recipe-container {
    text-align: center;
    padding: 10px 0;
    background: transparent !important;
}

.save-recipe-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.save-recipe-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.save-recipe-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.save-recipe-btn.saved {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.save-recipe-btn i {
    margin-right: 8px;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
    z-index: 1000;
    transition: var(--transition-normal);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-logo i {
    font-size: var(--font-size-2xl);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    text-decoration: none;
    color: var(--gray-600);
    font-weight: 500;
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--gray-700);
}

.user-info i {
    font-size: var(--font-size-lg);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--gray-600);
    transition: var(--transition-fast);
}

/* Main Content */
.main-content {
    margin-top: 70px;
    min-height: calc(100vh - 70px);
}

.section {
    display: none;
    min-height: calc(100vh - 70px);
}

.section.active {
    display: block;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #FF6B35 0%, #E5572F 30%, #14746F 70%, #0F5651 100%);
    color: white;
    padding: var(--space-20) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-6);
}

.gradient-text {
    background: linear-gradient(45deg, var(--accent-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    animation: float 6s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: 20%;
    animation-delay: 2s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 30%;
    animation-delay: 4s;
}

.floating-card i {
    font-size: var(--font-size-2xl);
    color: var(--accent-color);
}

.floating-card span {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: var(--space-20) 0;
    background: white;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-16);
    color: var(--gray-800);
}

.section-description {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--gray-600);
    margin-bottom: var(--space-12);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.feature-card {
    background: white;
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FF6B35, #FFC857);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
}

.feature-icon i {
    font-size: var(--font-size-2xl);
    color: white;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--gray-800);
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
}

/* Stats Section */
.stats {
    background: var(--gray-800);
    color: white;
    padding: var(--space-16) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
    text-align: center;
}

.stat-item {
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-lg);
    color: var(--gray-300);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
    padding-top: var(--space-16);
}

/* Recipes Section */
.recipes-controls {
    display: none;
}

.search-box {
    display: flex;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.search-box i {
    padding: var(--space-4);
    color: var(--gray-400);
    background: var(--gray-50);
}

.search-box input {
    flex: 1;
    border: none;
    padding: var(--space-4);
    font-size: var(--font-size-base);
    outline: none;
}

.search-box button {
    border-radius: 0;
    border: none;
}

.filters {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.filter-select {
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: white;
    font-size: var(--font-size-sm);
    min-width: 150px;
}

.recipes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-bottom: var(--space-12);
}

.recipe-card {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

.recipe-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.recipe-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-3xl);
}

.recipe-content {
    padding: var(--space-6);
}

.recipe-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--gray-800);
}

.recipe-meta {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--gray-600);
}

.recipe-description {
    color: var(--gray-600);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

.recipe-actions {
    display: flex;
    gap: var(--space-2);
}

.add-recipe-section {
    display: none;
}

/* Chat Section */
.chat-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.chat-messages {
    height: 500px;
    overflow-y: auto;
    padding: var(--space-6);
    background: var(--gray-50);
}

.chat-message {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.chat-message.user {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-message.ai .message-avatar {
    background: var(--primary-color);
    color: white;
}

.chat-message.user .message-avatar {
    background: var(--gray-600);
    color: white;
}

.message-content {
    max-width: 70%;
    background: white;
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.chat-message.user .message-content {
    background: var(--primary-color);
    color: white;
}

.message-text {
    margin-bottom: var(--space-2);
    line-height: 1.6;
}

.message-time {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.chat-input-container {
    padding: var(--space-6);
    background: white;
    border-top: 1px solid var(--gray-200);
}

.chat-input {
    display: flex;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.chat-input input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    outline: none;
    transition: var(--transition-fast);
}

.chat-input input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.chat-suggestions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.suggestion-btn {
    padding: var(--space-2) var(--space-3);
    background: var(--gray-100);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

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

/* Favorites Section */
.favorite-btn {
    display: none !important;
}
.favorites-grid {
    display: none;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-6);
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-16);
    color: var(--gray-500);
}

.empty-state i {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--space-4);
    color: var(--gray-300);
}

.empty-state h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
    color: var(--gray-600);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover:not(:disabled) {
    background: var(--primary-color);
    color: white;
}

.btn-text {
    background: transparent;
    color: var(--gray-600);
    padding: var(--space-2) var(--space-3);
}

.btn-text:hover:not(:disabled) {
    color: var(--primary-color);
}

.btn-large {
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-content.large {
    max-width: 700px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-6);
    border-bottom: 1px solid var(--gray-200);
}

.modal-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--gray-800);
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--gray-400);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Forms */
.auth-form,
.recipe-form {
    padding: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: flex-end;
    margin-top: var(--space-8);
}

.auth-switch {
    padding: var(--space-4) var(--space-6);
    text-align: center;
    border-top: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.auth-switch a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-switch a:hover {
    text-decoration: underline;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(4px);
    z-index: 3000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
    color: var(--primary-color);
}

.loading-spinner i {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
}

.loading-spinner p {
    font-size: var(--font-size-lg);
    font-weight: 500;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 90px;
    right: var(--space-4);
    z-index: 4000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-4) var(--space-6);
    border-left: 4px solid var(--primary-color);
    min-width: 300px;
    animation: toastSlideIn 0.3s ease-out;
}

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

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

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

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

.toast-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.toast-icon {
    font-size: var(--font-size-lg);
}

.toast-title {
    font-weight: 600;
    color: var(--gray-800);
}

.toast-message {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: var(--space-8) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: var(--space-4) 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-8);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-actions {
        justify-content: center;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .recipes-controls {
        align-items: stretch;
    }

    .search-box {
        flex-direction: column;
    }

    .search-box button {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .filters {
        justify-content: center;
    }

    .recipes-grid {
        grid-template-columns: 1fr;
    }

    .chat-messages {
        height: 400px;
    }

    .message-content {
        max-width: 85%;
    }

    .chat-suggestions {
        justify-content: center;
    }

    .modal-content {
        margin: var(--space-4);
        max-height: calc(100vh - 2rem);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-actions {
        flex-direction: column;
    }

    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
    }

    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-3);
    }

    .hero {
        padding: var(--space-12) 0;
    }

    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        max-width: 300px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .floating-card {
        display: none;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.hidden { display: none; }
.visible { display: block; }

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-up {
    animation: slideUp 0.5s ease-out;
}

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

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-400);
}

/* Password */
.password-requirements li {
    list-style: none;
    position: relative;
    padding-left: 20px;
}

.password-requirements li:before {
    content: "✗";
    position: absolute;
    left: 0;
    color: #e74c3c;
}

.password-requirements li.valid:before {
    content: "✓";
    color: #27ae60;
}

.password-strength {
    height: 4px;
    background: #e0e0e0;
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    transition: all 0.3s ease;
}

.strength-weak { width: 33%; background: #e74c3c; }
.strength-medium { width: 66%; background: #f39c12; }
.strength-strong { width: 100%; background: #27ae60; }