/**
 * Žluté Stránky - Main CSS
 * 
 * Univerzální styly pro všechny stránky frontendu.
 * Obsahuje reset, CSS proměnné, komponenty a layout.
 * 
 * @package ZluteStranky
 * @subpackage Frontend
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Primary Colors */
    --color-yellow: #FFD900;
    --color-yellow-dark: #E6C200;
    --color-yellow-light: #FFF8D6;
    --color-yellow-glow: rgba(255, 217, 0, 0.4);
    --color-black: #0A0A0A;
    --color-white: #FFFFFF;
    
    /* Circle Colors */
    --color-home: #FF9500;
    --color-home-light: #FFF4E6;
    --color-work: #3B82F6;
    --color-work-light: #EFF6FF;
    --color-vacation: #10B981;
    --color-vacation-light: #ECFDF5;
    --color-family: #8B5CF6;
    --color-family-light: #F5F3FF;
    --color-sports: #60A5FA;
    --color-sports-light: #EFF6FF;
    
    /* Category Colors */
    --color-food: #EF4444;
    --color-services: #3B82F6;
    --color-health: #10B981;
    --color-auto: #6366F1;
    --color-beauty: #EC4899;
    --color-home-cat: #F59E0B;
    --color-sports-cat: #14B8A6;
    --color-education: #8B5CF6;
    --color-tech: #06B6D4;
    --color-legal: #64748B;
    
    /* Category Colors (with cat- prefix for consistency) */
    --color-cat-food: #EF4444;
    --color-cat-services: #3B82F6;
    --color-cat-health: #10B981;
    --color-cat-auto: #6366F1;
    --color-cat-beauty: #EC4899;
    --color-cat-home: #F59E0B;
    --color-cat-sports: #14B8A6;
    --color-cat-education: #8B5CF6;
    --color-cat-tech: #06B6D4;
    --color-cat-legal: #64748B;
    
    /* Gray Scale */
    --color-gray-900: #1A1A1A;
    --color-gray-800: #2D2D2D;
    --color-gray-700: #404040;
    --color-gray-600: #525252;
    --color-gray-500: #757575;
    --color-gray-400: #9CA3AF;
    --color-gray-300: #D1D5DB;
    --color-gray-200: #E5E7EB;
    --color-gray-100: #F3F4F6;
    --color-gray-50: #F9FAFB;
    
    /* Status Colors */
    --color-success: #10B981;
    --color-success-light: #D1FAE5;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-error: #EF4444;
    --color-error-light: #FEE2E2;
    --color-info: #3B82F6;
    --color-info-light: #DBEAFE;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.15);
    --shadow-yellow: 0 8px 30px rgba(255, 217, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    
    /* Layout */
    --header-height: 72px;
    --container-max: 1400px;
    --container-padding: 2rem;
    
    /* Z-index layers */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 500;
    --z-modal-backdrop: 900;
    --z-modal: 1000;
    --z-toast: 1100;
}

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

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

body {
    font-family: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray-900);
    background: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a:hover {
    color: var(--color-yellow-dark);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ==================== ACCESSIBILITY ==================== */
.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--color-black);
    color: var(--color-yellow);
    padding: 1rem;
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}

.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;
}

/* Focus styles */
:focus-visible {
    outline: 3px solid var(--color-yellow);
    outline-offset: 2px;
}

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

.container-narrow {
    max-width: 900px;
}

.container-wide {
    max-width: 1600px;
}

/* ==================== HEADER ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: var(--z-fixed);
    transition: var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header.hidden {
    transform: translateY(-100%);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 2rem;
    padding-top: 0.75rem;
    padding-bottom: 0.75rem;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-black);
    flex-shrink: 0;
}

.logo:hover {
    color: var(--color-black);
}

.logo-icon {
    width: 44px;
    height: 44px;
    background: var(--color-yellow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

.logo-text {
    font-weight: 800;
    white-space: nowrap;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.625rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-black);
    background: var(--color-gray-100);
}

.nav-link.highlight {
    color: var(--color-work);
}

.nav-link .nav-icon {
    font-size: 1.125rem;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* User Menu */
.user-menu-wrapper {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-fast);
}

.user-menu-trigger:hover {
    background: var(--color-gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--color-yellow), var(--color-yellow-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-black);
}

.user-avatar.large {
    width: 48px;
    height: 48px;
    font-size: 1rem;
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.user-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-black);
}

.user-level {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.chevron-down {
    font-size: 0.625rem;
    color: var(--color-gray-400);
    transition: transform var(--transition-fast);
}

/* User Dropdown */
.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 300px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    z-index: var(--z-dropdown);
}

.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.user-dropdown-header .user-email {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.user-dropdown-xp {
    padding: 1rem 1.25rem;
    background: var(--color-gray-50);
}

.xp-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

.xp-bar {
    height: 8px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.xp-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-yellow), var(--color-home));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.xp-footer {
    font-size: 0.6875rem;
    color: var(--color-gray-500);
    margin-top: 0.375rem;
}

.xp-streak {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
    padding: 0.375rem 0.625rem;
    background: linear-gradient(135deg, #FF6B35 0%, #F7931E 100%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    width: fit-content;
}

.user-dropdown-links {
    padding: 0.5rem;
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

.dropdown-link:hover {
    background: var(--color-gray-50);
    color: var(--color-black);
}

.dropdown-link span {
    font-size: 1.125rem;
}

.user-dropdown-footer {
    padding: 0.5rem;
    border-top: 1px solid var(--color-gray-100);
}

.dropdown-link.logout {
    color: var(--color-error);
}

.dropdown-link.logout:hover {
    background: var(--color-error-light);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background: var(--color-gray-100);
    transition: var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: var(--color-gray-200);
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--color-black);
    border-radius: 1px;
    transition: var(--transition-fast);
}

/* ==================== MOBILE MENU ==================== */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    pointer-events: none;
}

.mobile-menu.active {
    pointer-events: auto;
}

.mobile-menu-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.mobile-menu.active .mobile-menu-backdrop {
    opacity: 1;
}

.mobile-menu-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    max-width: 380px;
    height: 100%;
    background: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active .mobile-menu-content {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.mobile-menu-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-gray-100);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    background: var(--color-gray-50);
}

.mobile-user-info .user-details {
    flex: 1;
}

.mobile-user-info .user-level-badge {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.mobile-xp-bar {
    height: 4px;
    background: var(--color-gray-200);
}

.mobile-xp-bar .xp-fill {
    background: var(--color-yellow);
}

.mobile-search {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.mobile-search .search-form {
    display: flex;
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.mobile-search .search-input {
    flex: 1;
    padding: 0.875rem 1rem;
    background: transparent;
}

.mobile-search .search-btn {
    padding: 0 1rem;
    font-size: 1.25rem;
}

.mobile-nav {
    flex: 1;
    padding: 1rem 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    color: var(--color-gray-700);
    transition: var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--color-gray-50);
    color: var(--color-black);
}

.mobile-nav-link.highlight {
    color: var(--color-work);
}

.mobile-nav-link .nav-icon {
    font-size: 1.25rem;
    width: 28px;
    text-align: center;
}

.mobile-nav-link .nav-badge {
    margin-left: auto;
    padding: 0.125rem 0.5rem;
    background: var(--color-yellow);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.mobile-nav-link .nav-count {
    margin-left: auto;
    color: var(--color-gray-400);
    font-size: 0.875rem;
}

.mobile-nav-section {
    padding-top: 1rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--color-gray-100);
}

.mobile-nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-400);
}

.mobile-auth-buttons,
.mobile-logout {
    padding: 1rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-top: 1px solid var(--color-gray-100);
}

.mobile-app-promo {
    padding: 1.5rem;
    background: var(--color-gray-50);
    text-align: center;
}

.app-promo-text {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.app-promo-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.app-store-badge {
    padding: 0.5rem 1rem;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: background-color 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
    white-space: nowrap;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--color-yellow);
    color: var(--color-black);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-yellow-dark);
    color: var(--color-black);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-black);
    border: 2px solid var(--color-gray-200);
}

.btn-secondary:hover {
    border-color: var(--color-gray-400);
    background: var(--color-gray-50);
}

.btn-ghost {
    background: transparent;
    color: var(--color-gray-600);
}

.btn-ghost:hover {
    color: var(--color-black);
    background: var(--color-gray-100);
}

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

.btn-dark:hover {
    background: var(--color-gray-800);
}

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

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

/* Button Sizes */
.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.0625rem;
    border-radius: var(--radius-lg);
}

.btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
    border-radius: var(--radius-xl);
}

.btn-block {
    width: 100%;
}

/* ==================== FORM ELEMENTS ==================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-gray-700);
}

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

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    border-color: var(--color-yellow);
    box-shadow: 0 0 0 3px var(--color-yellow-light);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--color-error);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.form-error {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-error);
}

/* ==================== FLASH MESSAGES ==================== */
.flash-messages {
    position: fixed;
    top: calc(var(--header-height) + 1rem);
    right: 1rem;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
}

.flash-message {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideIn 0.3s ease;
    transition: opacity var(--transition-base);
}

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

.flash-success {
    border-left: 4px solid var(--color-success);
}

.flash-error {
    border-left: 4px solid var(--color-error);
}

.flash-warning {
    border-left: 4px solid var(--color-warning);
}

.flash-info {
    border-left: 4px solid var(--color-info);
}

.flash-icon {
    font-size: 1.25rem;
}

.flash-text {
    flex: 1;
    font-size: 0.9375rem;
}

.flash-close {
    padding: 0.25rem;
    font-size: 1rem;
    color: var(--color-gray-400);
    cursor: pointer;
}

.flash-close:hover {
    color: var(--color-gray-600);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition-base);
    z-index: var(--z-sticky);
    box-shadow: var(--shadow-lg);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-yellow);
    color: var(--color-black);
    transform: translateY(-4px);
}

/* ==================== COOKIE CONSENT ==================== */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: var(--z-modal);
    padding: 1.5rem 2rem;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.cookie-content {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cookie-icon {
    font-size: 2.5rem;
}

.cookie-text {
    flex: 1;
}

.cookie-text h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.cookie-text p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.cookie-text a {
    color: var(--color-work);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: 3rem 0 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 3rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--color-gray-800);
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.footer-logo .logo-icon {
    background: var(--color-yellow);
    color: var(--color-black);
}

.footer-brand-text {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

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

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-yellow);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--color-yellow);
    color: var(--color-black);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}

.footer-link {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-yellow);
}

/* Newsletter */
.footer-newsletter {
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--color-gray-800);
}

.newsletter-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
}

.newsletter-text h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.newsletter-text p {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
}

.newsletter-form {
    display: flex;
    gap: 0.75rem;
}

.newsletter-input {
    width: 300px;
    padding: 0.875rem 1.25rem;
    background: var(--color-gray-800);
    border-radius: var(--radius-md);
    color: var(--color-white);
}

.newsletter-input::placeholder {
    color: var(--color-gray-500);
}

/* Footer Bottom */
.footer-bottom {
    padding: 2rem 0;
    padding-right: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-gray-500);
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-yellow);
}

.footer-badges {
    display: flex;
    gap: 1rem;
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-gray-400);
}

/* ==================== UTILITY CLASSES ==================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.text-muted { color: var(--color-gray-500); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1400px) {
    :root {
        --container-padding: 1.5rem;
    }
}

@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-brand {
        grid-column: span 3;
        max-width: 100%;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    .footer-stats,
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 1024px) {
    .nav-desktop {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .user-menu-trigger .user-info {
        display: none;
    }
    
    .user-menu-trigger .chevron-down {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --container-padding: 1rem;
    }
    
    .logo-text {
        font-size: 1.125rem;
        font-weight: 800;
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 1.25rem;
    }
    
    .logo {
        gap: 0.5rem;
    }
    
    .header-actions .btn-ghost,
    .header-actions .btn-primary {
        display: none;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        grid-column: auto;
    }
    
    .footer-newsletter .newsletter-content {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-form {
        flex-direction: column;
        width: 100%;
    }
    
    .newsletter-input {
        width: 100%;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        padding-right: 60px;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .cookie-content {
        flex-direction: column;
        text-align: center;
    }
    
    .cookie-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .flash-messages {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 44px;
        height: 44px;
    }
}

@media (max-width: 480px) {
    .mobile-menu-content {
        max-width: 100%;
    }
}