/* BOTB Main Styles v8 - Simplified scroll, removed overscroll-behavior */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
    /* Let body handle vertical scroll */
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    /* Modern viewport units with multiple fallbacks */
    min-height: 100vh; /* Fallback for old browsers */
    min-height: calc(var(--vh, 1vh) * 100); /* JS-calculated fallback */
    min-height: 100dvh; /* Dynamic viewport - adjusts with browser chrome */
    overflow-x: hidden;
    max-width: 100vw;
}

/* VHS Scanline effect on body */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        var(--vhs-scanline) 2px,
        var(--vhs-scanline) 4px
    );
    pointer-events: none;
    z-index: 9999;
    opacity: 0.5;
}

/* =========================================
   GLOBAL TIME TRAVEL BANNER
   ========================================= */
.global-time-travel-banner {
    position: sticky;
    top: 0;
    z-index: 9998;
    background: linear-gradient(90deg, #ff6b35, #f7931e);
    color: #fff;
    padding: 6px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.85rem;
    font-family: var(--font-display);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.tt-banner-btn {
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.5);
    padding: 2px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.8rem;
}
.tt-banner-btn:hover {
    background: rgba(255,255,255,0.35);
}

/* =========================================
   CUSTOM CONFIRM MODAL
   ========================================= */
.confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}
.confirm-overlay.open {
    opacity: 1;
    visibility: visible;
}
.confirm-modal {
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    min-width: 300px;
    max-width: 420px;
    width: 90%;
    overflow: hidden;
    transform: scale(0.95);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-lg);
}
.confirm-overlay.open .confirm-modal {
    transform: scale(1);
}
.confirm-body {
    padding: var(--space-xl) var(--space-xl) var(--space-lg);
}
.confirm-message {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--text-primary);
    text-align: center;
}
.confirm-actions {
    display: flex;
    border-top: 1px solid var(--border);
}
.confirm-actions button {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: background 0.15s ease;
}
.confirm-cancel-btn {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-right: 1px solid var(--border) !important;
}
.confirm-cancel-btn:hover { background: var(--surface-hover); }
.confirm-ok-btn {
    background: var(--error);
    color: #fff;
}
.confirm-ok-btn:hover { opacity: 0.9; }
.confirm-ok-btn.confirm-primary {
    background: var(--primary);
}

/* =========================================
   TYPOGRAPHY
   ========================================= */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

p {
    margin-bottom: var(--space-md);
}

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

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

/* =========================================
   LAYOUT
   ========================================= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.page-content {
    padding: var(--space-xl) 0;
    min-height: calc(100vh - 160px); /* Fallback */
    min-height: calc(100dvh - 160px); /* Dynamic viewport */
}

/* =========================================
   NAVIGATION
   ========================================= */
.navbar {
    background: linear-gradient(180deg, var(--surface) 0%, var(--bg-secondary) 100%);
    border-bottom: 4px solid;
    border-image: linear-gradient(90deg,
        var(--stripe-1),
        var(--stripe-2),
        var(--stripe-3),
        var(--stripe-4)
    ) 1;
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Vinyl icon now uses inline SVG - see base.html */
.navbar-brand .vinyl-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    animation: slow-spin 6s linear infinite;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
}

.navbar-nav a {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--primary);
    background: var(--surface-hover);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--primary);
    color: var(--btn-primary-text, #ffffff);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
    color: var(--btn-primary-text, #ffffff);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-ghost:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.8rem;
}

/* =========================================
   CARDS
   ========================================= */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--border-strong);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* =========================================
   FORMS
   ========================================= */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--vhs-glow);
}

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

/* =========================================
   FLASH MESSAGES
   ========================================= */
.flash-messages {
    position: fixed;
    top: 80px;
    right: var(--space-md);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.flash {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

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

.flash-info {
    background: var(--info);
    color: white;
}

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

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

/* =========================================
   THEME TOGGLE
   ========================================= */
.theme-toggle {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
    border-radius: var(--radius-full);
    background: var(--surface);
    border: 2px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    padding: 0;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
    transform: rotate(15deg);
}

.theme-toggle .icon {
    width: 20px;
    height: 20px;
    color: var(--text-primary);
}

/* =========================================
   AUTH DROPDOWN (MOBILE)
   ========================================= */
.auth-buttons-desktop {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.auth-dropdown-mobile {
    display: none;
    position: relative;
}

.auth-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.auth-dropdown-toggle .icon {
    width: 16px;
    height: 16px;
}

.auth-dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-sm));
    right: 0;
    min-width: 140px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 100;
}

.auth-dropdown-mobile.open .auth-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.auth-dropdown-item {
    display: block;
    padding: var(--space-md) var(--space-lg);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: all var(--transition-fast);
}

.auth-dropdown-item:hover {
    background: var(--surface-hover);
    color: var(--primary);
}

.auth-dropdown-item:first-child {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.auth-dropdown-item:last-child {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* User menu styles */
.user-menu {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    background: var(--surface);
    border-top: 4px solid;
    border-image: linear-gradient(90deg,
        var(--stripe-4),
        var(--stripe-3),
        var(--stripe-2),
        var(--stripe-1)
    ) 1;
    padding: var(--space-xl) 0;
    margin-top: auto;
}

.footer-content {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   UTILITIES
   ========================================= */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-muted { color: var(--text-muted); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes slow-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes glow {
    0%, 100% { box-shadow: 0 0 5px var(--vhs-glow); }
    50% { box-shadow: 0 0 20px var(--vhs-glow); }
}

/* =========================================
   MOBILE BOTTOM NAVIGATION
   Mobile browsers have dynamic toolbars that appear/disappear.
   We use env(safe-area-inset-bottom) for notched devices and
   careful positioning to work with browser chrome.
   ========================================= */
.mobile-nav {
    display: none;
    position: fixed;
    /* Use safe-area-inset-bottom to account for home indicator on notched devices */
    bottom: 0;
    left: env(safe-area-inset-left, 0);
    right: env(safe-area-inset-right, 0);
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    padding: var(--space-xs) 0;
    /* Add safe area padding for home indicator/gesture area */
    padding-bottom: max(var(--space-xs), env(safe-area-inset-bottom, 0));
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    /* Ensure it stays above browser chrome */
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    /* Prevent content from showing through */
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.65rem;
    padding: var(--space-xs);
    transition: all var(--transition-fast);
    gap: 2px;
}

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

.mobile-nav-icon {
    width: 24px;
    height: 24px;
}

/* Vote button stands out */
.mobile-nav-vote {
    position: relative;
}

.mobile-nav-vote .mobile-nav-icon {
    color: var(--primary);
}

.mobile-nav-vote.active .mobile-nav-icon {
    color: var(--accent-gold);
}

/* Admin button stands out */
.mobile-nav-admin .mobile-nav-icon {
    color: var(--warning);
}

.mobile-nav-admin.active .mobile-nav-icon {
    color: var(--error);
}

/* Show on mobile, hide on desktop */
@media (max-width: 768px) {
    .mobile-nav {
        display: flex;
        justify-content: space-around;
    }

    /* Add padding to body so content isn't hidden behind mobile nav
       Use calc to add safe area for notched devices */
    body {
        padding-bottom: calc(70px + env(safe-area-inset-bottom, 0));
    }

    /* Adjust page content for mobile nav */
    .page-content {
        padding-bottom: var(--space-xl);
        min-height: calc(100vh - 120px); /* Fallback */
        min-height: calc(100svh - 120px); /* Small viewport - stable when scrolling */
    }

    /* Hide footer on mobile since we have bottom nav */
    .footer {
        display: none;
    }
}

/* =========================================
   MOBILE RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
    /* Navbar adjustments */
    .navbar {
        padding: var(--space-sm) 0;
    }

    .navbar-content {
        gap: var(--space-sm);
        flex-wrap: nowrap;
    }

    .navbar-brand {
        font-size: 1.2rem;
        flex-shrink: 0;
    }

    .navbar-brand .vinyl-icon {
        width: 32px;
        height: 32px;
    }

    /* Hide main nav on mobile - could add hamburger later */
    .navbar-nav {
        display: none;
    }

    /* Show mobile dropdown, hide desktop buttons */
    .auth-buttons-desktop {
        display: none;
    }

    .auth-dropdown-mobile {
        display: block;
    }

    /* Theme toggle sizing for mobile */
    .theme-toggle {
        width: 36px;
        height: 36px;
        min-width: 36px;
        min-height: 36px;
    }

    .theme-toggle .icon {
        width: 18px;
        height: 18px;
    }

    /* User menu on mobile */
    .user-menu {
        gap: var(--space-xs);
    }

    .user-menu .btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }

    /* Navbar actions spacing */
    .navbar-actions {
        gap: var(--space-sm);
    }

    /* Typography */
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }

    /* Container padding */
    .container {
        padding: 0 var(--space-sm);
    }
}

@media (max-width: 480px) {
    .navbar-brand span {
        font-size: 1rem;
    }

    .navbar-brand .vinyl-icon {
        width: 28px;
        height: 28px;
    }

    .auth-dropdown-toggle {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }

    .auth-dropdown-toggle .icon {
        width: 14px;
        height: 14px;
    }

    /* Hide "Account" text on very small screens */
    .auth-dropdown-toggle span:last-child {
        display: none;
    }

    .theme-toggle {
        width: 32px;
        height: 32px;
        min-width: 32px;
        min-height: 32px;
    }

    .theme-toggle .icon {
        width: 16px;
        height: 16px;
    }
}

/* Mini player styles are in mini-player.css */

/* =========================================
   PWA / STANDALONE MODE STYLES
   When added to homescreen, there's no browser chrome.
   We need to account for:
   - Status bar area at top (notch on modern phones)
   - Home indicator area at bottom (already handled with safe-area-inset-bottom)
   - No address bar = different viewport height
   ========================================= */

/* Standalone mode detected via JS adding .pwa-standalone to html */
.pwa-standalone {
    --pwa-top-inset: env(safe-area-inset-top, 0px);
}

/* Navbar - only add safe area inset, keep existing padding */
@media (max-width: 768px) {
    .pwa-standalone .navbar {
        /* Just add the notch/status bar area, navbar already has its own padding */
        padding-top: calc(var(--space-sm) + env(safe-area-inset-top, 0px));
    }

    /* Full viewport height available in standalone */
    .pwa-standalone .page-content {
        min-height: calc(100dvh - 70px - env(safe-area-inset-bottom, 0px));
    }
}

/* Landscape adjustments for standalone */
@media (max-width: 768px) and (orientation: landscape) {
    .pwa-standalone .navbar {
        padding-left: env(safe-area-inset-left, 0px);
        padding-right: env(safe-area-inset-right, 0px);
    }

    .pwa-standalone .mobile-nav {
        padding-left: max(var(--space-md), env(safe-area-inset-left, 0px));
        padding-right: max(var(--space-md), env(safe-area-inset-right, 0px));
    }
}

/* Smooth transitions when switching display modes */
.pwa-standalone .navbar,
.pwa-standalone .mobile-nav,
.pwa-standalone body {
    transition: padding 0.2s ease;
}