/* ============================================================================
   BASE STYLES - CSS Variables, Reset, Typography, Layout
   ============================================================================ */

/* CSS Variables */
:root {
    /* Dark Mode Colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --border-color: #404040;
    --purple: #8b5cf6;
    --purple-hover: #7c3aed;
    --purple-light: #a78bfa;
    --orange: #ff6b35;
    --green: #10b981;
    --red: #ef4444;
    --yellow: #f59e0b;
    --blue: #3b82f6;

    /* Modern Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5), 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6), 0 10px 10px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.3);

    /* Modern Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* CSS Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--purple) 0%, var(--purple-hover) 100%);
    border-radius: var(--radius-sm);
    border: 2px solid var(--bg-primary);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--purple-hover) 0%, var(--purple) 100%);
}

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--purple) var(--bg-primary);
}

/* Body & Container */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: scroll; /* Always show vertical scrollbar */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
a, a:visited {
    color: inherit;
    transition: color var(--transition-fast);
}

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

/* Focus States for Accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid var(--purple);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Page Load Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.container > * {
    animation: fadeInUp var(--transition-base) ease-out;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(135deg, #6441a5 0%, #7c3aed 100%);
    color: white;
    padding: var(--spacing-lg) 0;
    margin-bottom: var(--spacing-xl);
    border-bottom: none;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.navbar h1 {
    margin: 0;
    font-size: 1.5rem;
}

.navbar h1 a {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-logo {
    width: 32px;
    height: 32px;
    vertical-align: middle;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-links li {
    display: flex;
    align-items: center;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.nav-links a:active {
    transform: translateY(0);
}

/* Navbar User Info */
.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-left: auto;
}

.nav-user span {
    color: rgba(255,255,255,0.8);
    font-weight: 500;
}

.logout-link {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    color: white !important;
    text-decoration: none !important;
    transition: all var(--transition-fast);
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.logout-link:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.logout-link:active {
    transform: translateY(0);
}

/* ============================================================================
   HAMBURGER MENU (Mobile Navigation)
   ============================================================================ */

/* Hamburger Button - Hidden on desktop */
.hamburger-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    padding: 10px;
    transition: all var(--transition-fast);
    z-index: 1002;
}

.hamburger-btn:hover {
    background: rgba(255, 255, 255, 0.25);
}

.hamburger-btn span {
    display: block;
    width: 22px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

/* Animated hamburger to X transformation */
.hamburger-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.hamburger-btn.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* Hamburger Dropdown Menu - Hidden on desktop */
.hamburger-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #6441a5 0%, #7c3aed 100%);
    flex-direction: column;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
}

.hamburger-dropdown.open {
    max-height: 400px;
    padding: var(--spacing-md) 0;
}

.hamburger-dropdown a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: 500;
    font-size: 1rem;
    transition: background var(--transition-fast);
    display: block;
}

.hamburger-dropdown a:hover {
    background: rgba(255, 255, 255, 0.15);
}

.hamburger-dropdown .hamburger-user {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: var(--spacing-sm);
}

.hamburger-dropdown .hamburger-user span {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.hamburger-dropdown .hamburger-user .logout-link {
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.footer-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    font-size: 0.9rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

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

.footer-separator {
    color: var(--border-color);
}

/* Page Header */
.page-header {
    margin-bottom: 2rem;
}

.page-header h2 {
    margin-bottom: 1rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    background: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.empty-state::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.empty-state p {
    color: var(--text-secondary);
    font-size: 1.125rem;
    position: relative;
    z-index: 1;
}

/* Utility Classes */
.back-link {
    margin-bottom: var(--spacing-md);
}

.back-link a {
    color: var(--purple);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.back-link a:hover {
    color: var(--purple-light);
}

/* Mobile-only: hidden on desktop, visible on mobile */
.mobile-only {
    display: none !important;
}

/* Mobile-specific utilities */
@media (max-width: 768px) {
    .mobile-hide {
        display: none !important;
    }

    .mobile-show {
        display: block !important;
    }

    .mobile-only {
        display: inline !important;
    }

    .mobile-full-width {
        width: 100% !important;
    }

    .mobile-no-padding {
        padding: 0 !important;
    }

    .mobile-center {
        text-align: center !important;
    }
}

/* Desktop-specific utilities */
@media (min-width: 769px) {
    .desktop-hide {
        display: none !important;
    }
}

/* Text utilities */
.text-muted {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

/* ============================================================================
   RESPONSIVE BASE STYLES
   ============================================================================ */

/* Tablets and smaller */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
}

/* Mobile devices */
@media (max-width: 768px) {
    /* Container & Spacing */
    .container {
        padding: 0 var(--spacing-md);
    }

    /* Navbar Mobile - Clean Hamburger Layout */
    .navbar {
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-lg);
    }

    .navbar .container {
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }

    .navbar-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xs);
    }

    .navbar h1 {
        font-size: 1.5rem;
        text-align: center;
    }

    .navbar h1 a {
        gap: var(--spacing-sm);
        justify-content: center;
    }

    .navbar-logo {
        width: 32px;
        height: 32px;
    }

    /* Show hamburger button on mobile - positioned right */
    .hamburger-btn {
        display: flex;
        position: absolute;
        right: var(--spacing-md);
        top: 50%;
        transform: translateY(-50%);
    }

    /* Show hamburger dropdown menu on mobile */
    .hamburger-dropdown {
        display: flex;
    }

    /* Hide desktop navigation on mobile */
    .nav-links {
        display: none !important;
    }

    /* Footer */
    footer {
        margin-top: var(--spacing-xl);
        padding: var(--spacing-lg) 0;
        font-size: 0.875rem;
    }

    /* Empty State */
    .empty-state {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .empty-state p {
        font-size: 1rem;
    }

    /* Page Header */
    .page-header {
        margin-bottom: var(--spacing-lg);
    }

    .page-header h2 {
        font-size: 1.5rem;
    }
}

/* Small mobile devices */
@media (max-width: 480px) {
    /* Optimized for small screens */
    .container {
        padding: 0 var(--spacing-sm);
    }

    /* Navbar - Ultra compact */
    .navbar {
        padding: var(--spacing-sm) 0;
    }

    .navbar h1 {
        font-size: 1rem;
    }

    .navbar-logo {
        width: 24px;
        height: 24px;
    }

    /* Hamburger dropdown - smaller on tiny screens */
    .hamburger-dropdown a {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 0.9375rem;
    }

    .hamburger-dropdown .hamburger-user {
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    /* Page Header */
    .page-header h2 {
        font-size: 1.25rem;
    }

    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-separator {
        display: none;
    }
}

/* Touch-friendly improvements for all mobile devices */
@media (max-width: 768px) and (hover: none) and (pointer: coarse) {
    /* Increase tap target sizes for touch devices */
    .nav-links a {
        min-height: 44px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    /* Better spacing for touch */
    .nav-links {
        gap: 1rem;
    }
}

/* ============================================================================
   MAINTENANCE MODE BANNER
   ============================================================================ */
.maintenance-banner {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 9999;
    display: none;
}

.maintenance-banner.visible {
    display: block;
    animation: maintenanceSlideIn 0.3s ease;
}

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

.maintenance-banner-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a24 100%);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(238, 90, 36, 0.4);
    max-width: 350px;
}

.maintenance-icon {
    font-size: 2rem;
    animation: maintenanceWiggle 2s ease-in-out infinite;
}

@keyframes maintenanceWiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-10deg); }
    75% { transform: rotate(10deg); }
}

.maintenance-text {
    flex: 1;
    color: white;
}

.maintenance-text strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.maintenance-text p {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.4;
}

@media (max-width: 768px) {
    .maintenance-banner {
        bottom: 1rem;
        left: 1rem;
        right: 1rem;
    }
    .maintenance-banner-content {
        max-width: 100%;
    }
}

/* ============================================================================
   ANNOUNCEMENT BANNER
   ============================================================================ */

.announcement-banner {
    position: fixed;
    bottom: 10rem;
    left: 2rem;
    z-index: 9998;
    display: none;
    max-width: 400px;
    pointer-events: none;
}

.announcement-banner.visible {
    display: block;
    animation: announcementSlideIn 0.3s ease;
}

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

.announcement-banner-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    pointer-events: auto;
    text-decoration: none;
    color: white;
    transition: transform 0.2s, box-shadow 0.2s;
}
.announcement-banner-content:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

/* Announcement types */
.announcement-info .announcement-banner-content {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.announcement-warning .announcement-banner-content {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.announcement-success .announcement-banner-content {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.announcement-event .announcement-banner-content {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
}

.announcement-watchparty .announcement-banner-content {
    background: linear-gradient(135deg, #9146ff 0%, #6441a5 100%);
}

.announcement-icon {
    font-size: 1.75rem;
    flex-shrink: 0;
}

.announcement-text {
    flex: 1;
    color: white;
}

.announcement-text strong {
    display: block;
    font-size: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.announcement-text p {
    margin: 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.4;
}

.announcement-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    flex-shrink: 0;
}

.announcement-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

@media (max-width: 768px) {
    .announcement-banner {
        top: 0.5rem;
    }
    .announcement-banner-content {
        padding: 0.75rem 1rem;
    }
    .announcement-icon {
        font-size: 1.5rem;
    }
}