/* ===== JAVSEE Design System - Red & Black ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1c1c1c;
  --bg-input: #1a1a1a;
  --bg-overlay: rgba(0,0,0,.7);
  --border: #222;
  --border-hover: #333;
  --text-primary: #f0f0f0;
  --text-secondary: #999;
  --text-muted: #666;
  --accent: #e11d48;
  --accent-hover: #f43f5e;
  --accent-dim: rgba(225,29,72,.15);
  --accent-gradient: linear-gradient(135deg, #e11d48, #be123c);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --shadow: 0 2px 12px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.6);
  --transition: .2s ease;
  --max-w: 1280px;
  --nav-h: 60px;
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: #333; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== NAVIGATION ===== */
.nav {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px; height: 100%;
}
.nav-logo {
  font-size: 1.4rem; font-weight: 900;
  background: var(--accent-gradient);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}
.nav-menu {
  display: flex; align-items: center; gap: 4px;
  list-style: none; height: 100%;
}
.nav-menu > li { position: relative; height: 100%; display: flex; align-items: center; }
.nav-menu > li > a {
  padding: 8px 14px; font-size: .87rem; font-weight: 600;
  color: var(--text-secondary); border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-menu > li > a:hover, .nav-menu > li > a.active {
  color: var(--accent); background: var(--accent-dim);
}

/* Dropdown */
.nav-dropdown {
  display: none; position: absolute; top: 100%; left: 0;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 6px 0;
  min-width: 180px; box-shadow: var(--shadow-lg); z-index: 100;
}
.nav-menu > li:hover > .nav-dropdown { display: block; }
.nav-dropdown a {
  display: block; padding: 8px 18px; font-size: .83rem;
  color: var(--text-secondary); white-space: nowrap;
}
.nav-dropdown a:hover { background: var(--accent-dim); color: var(--accent); }

/* Nav right */
.nav-right { display: flex; align-items: center; gap: 10px; }
.nav-user { display: flex; align-items: center; gap: 8px; font-size: .85rem; }
.nav-points { color: var(--warning); font-weight: 700; }
.nav-icon-item { display: inline-flex !important; align-items: center; gap: 6px; }
.nav-item-icon { display: none; align-items: center; line-height: 0; }
.nav-item-text { }

/* Mobile menu */
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; padding: 6px; }
.mobile-menu { display: none; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 10px 20px; font-size: .87rem; font-weight: 600;
  border: none; border-radius: var(--radius-sm); cursor: pointer;
  transition: all var(--transition); font-family: inherit;
}
.btn-primary { background: var(--accent-gradient); color: #fff; }
.btn-primary:hover { filter: brightness(1.15); transform: translateY(-1px); color: #fff; }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 6px 14px; font-size: .8rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--accent); background: var(--accent-dim); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: .83rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 14px; font-size: .9rem;
  background: var(--bg-input); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  font-family: inherit; transition: border-color var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-hint { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }
.form-error { color: var(--danger); font-size: .82rem; margin-top: 4px; }

/* ===== LAYOUT ===== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.main-wrap { padding: 24px 0; min-height: calc(100vh - var(--nav-h) - 80px); }
.page-header { margin-bottom: 24px; }
.page-title { font-size: 1.5rem; font-weight: 800; }
.page-desc { color: var(--text-secondary); font-size: .9rem; margin-top: 4px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }

/* ===== CARD ===== */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
  transition: all var(--transition);
}
.card:hover { border-color: var(--border-hover); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-body { padding: 16px; }
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: .95rem; }

/* ===== VIDEO CARD ===== */
.video-card { position: relative; cursor: pointer; }
.video-card .thumb-wrap {
  position: relative; aspect-ratio: 16 / 9; width: 100%; overflow: hidden;
  background: var(--bg-secondary); border-radius: var(--radius) var(--radius) 0 0;
}
.video-card .thumb-wrap img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; transition: transform .3s;
}
.video-card:hover .thumb-wrap img { transform: scale(1.05); }
.video-card .duration-badge {
  position: absolute; bottom: 6px; right: 6px;
  background: rgba(0,0,0,.8); color: #fff; font-size: .72rem;
  padding: 2px 7px; border-radius: 4px; font-weight: 600;
}
.video-card .card-info { padding: 10px 12px; }
.video-card .card-title {
  font-size: .85rem; font-weight: 600; line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.video-card .card-meta {
  display: flex; gap: 10px; margin-top: 6px;
  font-size: .75rem; color: var(--text-muted);
}

/* ===== POST LIST (Board Style) ===== */
.post-list { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.post-row {
  display: grid; grid-template-columns: 60px 1fr 120px 80px 80px 120px;
  align-items: center; padding: 12px 16px; gap: 12px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  font-size: .85rem;
}
.post-row:hover { background: var(--bg-card-hover); }
.post-row.header {
  background: var(--bg-card); font-weight: 700; font-size: .8rem;
  color: var(--text-muted); text-transform: uppercase; letter-spacing: .5px;
}
.post-row .post-num { text-align: center; color: var(--text-muted); font-size: .8rem; }
.post-row .post-title-col { display: flex; align-items: center; gap: 8px; min-width: 0; }
.post-row .post-title-text {
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-weight: 500;
}
.post-row .post-title-text:hover { color: var(--accent); }
.post-row .comment-count { color: var(--accent); font-size: .78rem; font-weight: 700; }
.post-row .post-author { color: var(--text-secondary); font-size: .8rem; }
.post-row .post-date { color: var(--text-muted); font-size: .8rem; }
.post-row .post-views { color: var(--text-muted); font-size: .8rem; text-align: center; }
.post-notice { background: var(--accent-dim); }
.post-notice .post-title-text { color: var(--accent); font-weight: 700; }

/* ===== VIDEO PLAYER PAGE ===== */
.video-layout { display: grid; grid-template-columns: 1fr 320px; gap: 24px; }
.player-wrap {
  position: relative; aspect-ratio: 16 / 9; width: 100%;
  background: #000; border-radius: var(--radius-lg); overflow: hidden;
}
.player-wrap video, .player-wrap iframe {
  position: absolute; inset: 0; width: 100%; height: 100%; border: none;
}
.video-info { margin-top: 16px; }
.video-info h1 { font-size: 1.2rem; font-weight: 700; line-height: 1.4; }
.video-meta-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px,1fr));
  gap: 10px; margin-top: 14px;
  background: var(--bg-card); border-radius: var(--radius); padding: 14px;
  border: 1px solid var(--border);
}
.video-meta-item { display: flex; flex-direction: column; gap: 2px; }
.video-meta-item .label { font-size: .75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; }
.video-meta-item .value { font-size: .88rem; font-weight: 600; }

.video-actions {
  display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap;
}

/* ===== SIDEBAR ===== */
.sidebar { display: flex; flex-direction: column; gap: 16px; }
.sidebar-widget {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden;
}
.sidebar-title {
  padding: 12px 16px; font-size: .85rem; font-weight: 700;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--accent-dim), transparent);
}
.sidebar-list { list-style: none; }
.sidebar-list li a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; font-size: .83rem; color: var(--text-secondary);
  border-bottom: 1px solid rgba(255,255,255,.03);
  transition: all var(--transition);
}
.sidebar-list li a:hover { background: var(--accent-dim); color: var(--accent); }
.sidebar-rank { width: 22px; font-weight: 800; color: var(--accent); text-align: center; }

/* ===== COMMENTS ===== */
.comment-section { margin-top: 24px; }
.comment-form {
  display: flex; gap: 10px; margin-bottom: 20px;
}
.comment-form .form-textarea { flex: 1; min-height: 60px; }
.comment-item {
  display: flex; gap: 12px; padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.comment-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent-dim); display: flex; align-items: center;
  justify-content: center; font-size: .8rem; font-weight: 700;
  color: var(--accent); flex-shrink: 0;
}
.comment-body { flex: 1; min-width: 0; }
.comment-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.comment-author { font-size: .83rem; font-weight: 700; }
.comment-date { font-size: .75rem; color: var(--text-muted); }
.comment-text { font-size: .88rem; color: var(--text-secondary); line-height: 1.5; }
.comment-reply { margin-left: 48px; }

/* ===== PAGINATION ===== */
.pagination {
  display: flex; align-items: center; justify-content: center;
  gap: 4px; margin-top: 24px;
}
.pagination a, .pagination span {
  padding: 8px 14px; font-size: .83rem; font-weight: 600;
  border-radius: var(--radius-sm); transition: all var(--transition);
  color: var(--text-secondary);
}
.pagination a:hover { background: var(--accent-dim); color: var(--accent); }
.pagination .active {
  background: var(--accent-gradient); color: #fff;
}

/* ===== AUTH PAGES ===== */
.auth-container {
  max-width: 420px; margin: 60px auto;
}
.auth-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px; box-shadow: var(--shadow-lg);
}
.auth-title { font-size: 1.5rem; font-weight: 800; text-align: center; margin-bottom: 24px; }
.auth-footer { text-align: center; margin-top: 20px; font-size: .85rem; color: var(--text-muted); }
.auth-footer a { color: var(--accent); font-weight: 600; }

/* ===== ALERT / MSG ===== */
.alert {
  padding: 12px 16px; border-radius: var(--radius-sm); margin-bottom: 16px;
  font-size: .87rem; font-weight: 500;
}
.alert-success { background: rgba(34,197,94,.12); color: var(--success); border: 1px solid rgba(34,197,94,.2); }
.alert-error { background: rgba(239,68,68,.12); color: var(--danger); border: 1px solid rgba(239,68,68,.2); }
.alert-warning { background: rgba(245,158,11,.12); color: var(--warning); border: 1px solid rgba(245,158,11,.2); }
.alert-info { background: rgba(59,130,246,.12); color: var(--info); border: 1px solid rgba(59,130,246,.2); }

/* ===== BADGE ===== */
.badge {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 3px 9px; font-size: .72rem; font-weight: 700;
  border-radius: 20px;
}
.badge-accent { background: var(--accent-dim); color: var(--accent); }
.badge-new { background: rgba(34,197,94,.15); color: var(--success); }

/* ===== TABS ===== */
.tabs { display: flex; gap: 2px; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  padding: 10px 20px; font-size: .87rem; font-weight: 600;
  color: var(--text-muted); background: none; border: none;
  cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: all var(--transition);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ===== ADMIN ===== */
.admin-layout { display: grid; grid-template-columns: 240px 1fr; min-height: calc(100vh - var(--nav-h)); }
.admin-sidebar {
  background: var(--bg-secondary); border-right: 1px solid var(--border);
  padding: 20px 0;
}
.admin-sidebar a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; font-size: .85rem; color: var(--text-secondary);
  transition: all var(--transition);
}
.admin-sidebar a:hover, .admin-sidebar a.active {
  background: var(--accent-dim); color: var(--accent);
  border-right: 3px solid var(--accent);
}
.admin-content { padding: 24px 30px; }
.admin-stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.admin-stat {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
}
.admin-stat .stat-label { font-size: .78rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; }
.admin-stat .stat-value { font-size: 1.8rem; font-weight: 800; margin-top: 4px; }

/* ===== TABLE ===== */
.data-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.data-table th {
  text-align: left; padding: 10px 14px; font-weight: 700;
  color: var(--text-muted); font-size: .78rem; text-transform: uppercase;
  border-bottom: 2px solid var(--border); background: var(--bg-card);
}
.data-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}
.data-table tr:hover td { background: var(--bg-card-hover); }

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border); padding: 20px 0;
  text-align: center; font-size: .8rem; color: var(--text-muted);
  margin-top: 40px;
}

/* ===== SEARCH SLIDE ===== */
.nav-search-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; padding: 0; border-radius: 50%;
  color: var(--text-secondary); transition: all var(--transition);
}
.nav-search-btn:hover { color: var(--accent); background: var(--accent-dim); }
.nav-search-btn svg { display: block; }

.search-slide {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.3s ease;
  opacity: 0;
  background: rgba(15,15,15,.96);
  border-bottom: 1px solid transparent;
}
.search-slide.open {
  max-height: 80px; opacity: 1;
  border-bottom-color: var(--border);
}
.search-slide-inner {
  max-width: var(--max-w); margin: 0 auto;
  padding: 12px 20px;
}
.search-slide-form {
  display: flex; align-items: center; gap: 10px;
}
.search-slide-form svg { flex-shrink: 0; }
.search-slide-form input {
  flex: 1; padding: 10px 14px; font-size: .92rem;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: inherit; transition: border-color var(--transition);
}
.search-slide-form input:focus { outline: none; border-color: var(--accent); }

/* Legacy search-bar (kept for compatibility) */
.search-bar {
  display: flex; max-width: 400px; position: relative;
}
.search-bar input {
  flex: 1; padding: 9px 14px 9px 36px; font-size: .87rem;
  background: var(--bg-input); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-family: inherit;
}
.search-bar input:focus { outline: none; border-color: var(--accent); }
.search-bar .search-icon {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: .9rem;
}

/* ===== GAME ===== */
.game-container { max-width: 500px; margin: 0 auto; text-align: center; }
.game-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 30px; margin-bottom: 20px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  /* Icon-only mode: hide the text span, show the SVG icon */
  .nav-icon-item .nav-item-text { display: none; }
  .nav-icon-item .nav-item-icon { display: inline-flex; }
  .nav-points { font-size: .75rem !important; }
}
@media (max-width: 1024px) {
  .video-layout { display: block; }
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .admin-layout { grid-template-columns: 1fr; }
  .admin-sidebar { display: none; }
  .pagination a.active { background: var(--primary); color: white; border-color: var(--primary); }
}

.hide-on-mobile { display: flex; }
.hide-on-desktop { display: none; }

@media (max-width: 768px) {
  .hide-on-mobile { display: none !important; }
  .hide-on-desktop { display: flex !important; }
  .nav-menu { display: none; }
  .nav-toggle { display: block; }
  .mobile-menu.open { 
    display: grid; grid-template-columns: repeat(2, 1fr); align-content: start; gap: 12px;
    position: fixed; inset: 0; top: var(--nav-h); background: var(--bg-primary); z-index: 999; padding: 20px; overflow-y: auto; 
  }
  @media (max-width: 320px) {
    .mobile-menu.open { grid-template-columns: 1fr; }
  }
  .mobile-menu.open a { 
    display: flex; align-items: center; justify-content: center; 
    padding: 14px; font-size: .95rem; font-weight: 600;
    background: var(--bg-secondary); border-radius: 12px; 
    border: 1px solid var(--border); text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2); transition: all 0.2s;
  }
  .mobile-menu.open a:active { transform: scale(0.96); }
  .grid-5, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .post-row { grid-template-columns: 40px 1fr 60px; font-size: .8rem; }
  .post-row .post-author, .post-row .post-date, .post-row .post-views { display: none; }
  .post-row.header .post-author, .post-row.header .post-date, .post-row.header .post-views { display: none; }
  .auth-container { margin: 30px 16px; }
  .auth-card { padding: 24px; }
  .search-slide-form input { font-size: .85rem; }
}
@media (max-width: 480px) {
  .grid-5, .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .page-title { font-size: 1.2rem; }
  .container { padding: 0 12px; }
  .nav-points { display: none; }
}