/* ============================================
   233Game — Unified Design System
   ============================================ */

:root {
  --bg: #1b1b2f;
  --bg2: #171a21;
  --surface: #212b3d;
  --surface-hover: #2a3a50;
  --border: rgba(255,255,255,.06);
  --border-hover: rgba(255,255,255,.12);
  --text: #c7d5e0;
  --text-dim: #8b929a;
  --text-muted: #5a6270;
  --accent: #4d9de0;
  --accent-hover: #66c0f4;
  --green: #a4d007;
  --red: #e05252;
  --radius: 6px;
  --radius-sm: 4px;
  --maxw: 1200px;
  --pad: 24px;
  --font: -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --mono: ui-monospace,'SF Mono',Consolas,monospace;
}

/* ===== Reset ===== */
*,*::before,*::after { margin:0;padding:0;box-sizing:border-box; }
html { font-size:16px; scroll-behavior:smooth; color-scheme:dark; }
body { font-family:var(--font); background:var(--bg); color:var(--text); min-height:100vh; line-height:1.5; -webkit-font-smoothing:antialiased; }
img { max-width:100%; display:block; }
a { text-decoration:none;color:inherit; }
::selection { background:rgba(77,157,224,.3); color:#fff; }
:focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:2px; }
::-webkit-scrollbar { width:8px; height:8px; }
::-webkit-scrollbar-track { background:var(--bg); }
::-webkit-scrollbar-thumb { background:var(--surface-hover); border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:var(--accent); }

/* ===== Navbar ===== */
.navbar {
  position:sticky; top:0; z-index:200;
  background:linear-gradient(180deg, #1e2433 0%, #171a21 100%);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 2px 12px rgba(0,0,0,.45);
  height:72px;
}
.nav-inner {
  max-width:var(--maxw); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding:0 var(--pad); height:100%;
}
.logo {
  font-size:22px; font-weight:900;
  background:linear-gradient(135deg, #4d9de0 0%, #66c0f4 40%, #8fd4ff 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
  letter-spacing:1px; display:flex; align-items:center; gap:10px;
  text-shadow:0 0 20px rgba(77,157,224,.35); transition:all .3s;
}
.logo:hover { filter:brightness(1.15); transform:scale(1.03); }
.logo-icon { width:36px; height:36px; flex-shrink:0; }
.nav-links { display:flex; align-items:center; gap:4px; }
.nav-links a,.nav-links button {
  font-size:14px; color:var(--text-dim); padding:8px 16px; border-radius:4px;
  transition:all .15s; background:none; border:none; cursor:pointer; font-family:inherit;
  display:flex; align-items:center; gap:5px;
}
.nav-links a:hover,.nav-links button:hover { color:var(--accent); background:rgba(77,157,224,.08); }

.dropdown { position:relative; display:inline-block; }
.dropdown-menu {
  display:none; position:absolute; right:0; top:100%; margin-top:6px;
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); min-width:160px; padding:6px 0;
  z-index:300; box-shadow:0 8px 24px rgba(0,0,0,.5);
}
.dropdown.open .dropdown-menu { display:block; }
.dropdown-menu a,.dropdown-menu button {
  display:block; width:100%; text-align:left; padding:8px 16px;
  font-size:13px; color:var(--text); border-radius:0;
  background:none; border:none; cursor:pointer; font-family:inherit;
}
.dropdown-menu a:hover,.dropdown-menu button:hover { background:rgba(255,255,255,.06); color:#fff; }
.dropdown-divider { height:1px; background:var(--border); margin:4px 0; }

/* ===== Filter Bar ===== */
.filter-bar {
  max-width:var(--maxw); margin:0 auto; padding:16px var(--pad) 0;
  height:64px; display:flex; align-items:center; justify-content:space-between;
  border-bottom:1px solid var(--border); gap:20px;
}
.filter-left { display:flex; align-items:center; gap:14px; }
.filter-label { font-size:12px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.8px; font-weight:600; flex-shrink:0; }
.filter-tabs { display:flex; gap:4px; }
.filter-tab {
  display:inline-flex; align-items:center; gap:6px;
  padding:6px 14px; border-radius:4px; font-size:13px; color:var(--text-dim);
  cursor:pointer; background:none; border:1px solid transparent; font-family:inherit;
  transition:all .15s; white-space:nowrap;
}
.filter-tab:hover { color:var(--text); background:rgba(255,255,255,.05); border-color:var(--border); }
.filter-tab.active { color:var(--accent); background:rgba(77,157,224,.1); border-color:rgba(77,157,224,.15); font-weight:600; }
.filter-right { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.game-count { font-size:12px; color:var(--text-muted); white-space:nowrap; }

/* Dice */
.dice-btn {
  width:40px; height:40px; background:none; border:none; cursor:pointer;
  display:flex; align-items:center; justify-content:center; transition:all .2s; flex-shrink:0; perspective:160px;
}
.dice-cube { width:28px; height:28px; transform-style:preserve-3d; transition:transform .1s; }
.dice-btn:hover .dice-cube { transform:rotateX(-15deg) rotateY(20deg); }
@keyframes dice-tumble {
  0%{transform:rotateX(0) rotateY(0) rotateZ(0) translateY(0)}
  20%{transform:rotateX(120deg) rotateY(90deg) rotateZ(15deg) translateY(-6px)}
  40%{transform:rotateX(280deg) rotateY(230deg) rotateZ(-25deg) translateY(0)}
  60%{transform:rotateX(460deg) rotateY(390deg) rotateZ(12deg) translateY(-4px)}
  80%{transform:rotateX(640deg) rotateY(540deg) rotateZ(6deg) translateY(0)}
  100%{transform:rotateX(720deg) rotateY(630deg) rotateZ(0) translateY(0)}
}
.dice-btn.rolling .dice-cube { animation:dice-tumble .7s cubic-bezier(.25,.1,.25,1); }
.dice-face { position:absolute; inset:0; background:linear-gradient(135deg,#f5f0e8,#e8e0d0); border-radius:4px; box-shadow:inset 0 0 0 1px rgba(0,0,0,.08); backface-visibility:hidden; }
.face-1{transform:translateZ(14px)} .face-2{transform:rotateY(180deg) translateZ(14px)}
.face-3{transform:rotateY(90deg) translateZ(14px)} .face-4{transform:rotateY(-90deg) translateZ(14px)}
.face-5{transform:rotateX(90deg) translateZ(14px)} .face-6{transform:rotateX(-90deg) translateZ(14px)}
.dot { position:absolute; width:6px; height:6px; border-radius:50%; background:#2c2416; box-shadow:inset 0 1px 1px rgba(0,0,0,.5); }
.dot.c{top:50%;left:50%;transform:translate(-50%,-50%)} .dot.tl{top:4px;left:4px} .dot.tr{top:4px;right:4px}
.dot.bl{bottom:4px;left:4px} .dot.br{bottom:4px;right:4px}
.dot.ml{top:50%;left:4px;transform:translateY(-50%)} .dot.mr{top:50%;right:4px;transform:translateY(-50%)}

/* ===== Card Grid ===== */
.card-grid {
  max-width:var(--maxw); margin:0 auto; padding:24px var(--pad) 80px;
  display:grid; grid-template-columns:repeat(auto-fill, minmax(240px, 1fr)); gap:20px;
}

/* ===== Game Card ===== */
.game-card {
  display:block; background:var(--surface); border:1px solid var(--border); border-radius:8px;
  overflow:hidden; transition:border-color .2s, transform .25s, box-shadow .25s;
  text-decoration:none; color:inherit; cursor:pointer; position:relative;
}
.game-card:hover {
  border-color:rgba(77,157,224,.45); transform:translateY(-4px);
  box-shadow:0 12px 36px rgba(0,0,0,.45), 0 0 0 1px rgba(77,157,224,.2);
}
.game-cover {
  display:block; height:180px; position:relative; overflow:hidden;
  background:linear-gradient(135deg, #2a3a50, #1b2a3f);
}
.game-cover .emoji {
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  font-size:56px; line-height:1; opacity:.4; transition:transform .35s, opacity .35s;
}
.game-card:hover .game-cover .emoji { transform:translate(-50%,-50%) scale(1.15); opacity:.55; }
.game-cover img { width:100%; height:100%; object-fit:cover; transition:transform .35s; }
.game-card:hover .game-cover img { transform:scale(1.05); }

.cover-overlay {
  position:absolute; inset:0; background:linear-gradient(180deg, transparent 50%, rgba(0,0,0,.6) 100%);
  opacity:0; transition:opacity .25s; pointer-events:none; display:flex; align-items:flex-end; justify-content:center; padding-bottom:16px;
}
.game-card:hover .cover-overlay { opacity:1; }
.play-btn {
  display:inline-flex; align-items:center; gap:6px;
  background:linear-gradient(135deg, #4d9de0, #3d8bd0); color:#fff;
  font-size:13px; font-weight:600; padding:8px 20px; border-radius:20px;
  transform:translateY(8px); transition:transform .25s; box-shadow:0 4px 16px rgba(77,157,224,.5);
}
.game-card:hover .play-btn { transform:translateY(0); }

.play-stat-badge {
  position:absolute; top:10px; right:10px;
  display:inline-flex; align-items:center; gap:4px;
  background:rgba(0,0,0,.65); backdrop-filter:blur(4px);
  color:var(--accent); font-size:11px; font-weight:600; padding:4px 9px; border-radius:12px;
  font-family:var(--mono);
}

.game-info { display:block; padding:14px 16px; }
.game-name {
  display:block; font-size:15px; font-weight:600; color:var(--text);
  margin-bottom:4px; line-height:1.4;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.game-desc {
  display:block; font-size:12px; color:var(--text-dim);
  line-height:1.5; margin-bottom:8px;
  overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
}
.game-meta { display:flex; align-items:center; gap:6px; font-size:12px; color:var(--text-dim); }
.author-link { color:var(--accent); cursor:pointer; font-size:12px; position:relative; z-index:2; }
.author-link:hover { color:var(--accent-hover); }
.uid-tag {
  display:inline-block; background:rgba(77,157,224,.12); color:var(--accent);
  font-size:10px; padding:1px 5px; border-radius:3px; font-weight:600;
  font-family:var(--mono); position:relative; z-index:2;
}
.platform-tag { display:inline-block; font-size:10px; padding:1px 5px; border-radius:3px; font-weight:600; }
.platform-tag.mobile { background:rgba(164,208,7,.12); color:var(--green); }
.platform-tag.pc { background:rgba(77,157,224,.12); color:var(--accent); }

.game-card.incompat { opacity:.4; cursor:help; }
.game-card.incompat:hover { transform:none; border-color:var(--border); box-shadow:none; }
.platform-hint { display:none; font-size:10px; color:var(--red); margin-top:4px; }
.game-card.incompat .platform-hint { display:block; }

/* ===== Empty State ===== */
.empty-state { text-align:center; padding:80px 20px; }
.empty-state .icon, .empty-state .empty-icon { font-size:56px; margin-bottom:12px; opacity:.4; }
.empty-state h3 { font-size:18px; color:var(--text-dim); margin-bottom:6px; }
.empty-state p { color:var(--text-muted); margin-bottom:20px; }

/* ===== Profile Page ===== */
.profile-page { max-width:1200px; margin:0 auto; padding:28px 24px 60px; }

.profile-hero {
  display:flex; align-items:center; gap:20px; padding:24px 28px;
  background:linear-gradient(135deg, #1e2940 0%, #161e30 100%);
  border:1px solid var(--border); border-radius:10px;
  position:relative; overflow:hidden;
  box-shadow:0 8px 32px rgba(0,0,0,.3);
}
.profile-hero-glow {
  position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(ellipse at 15% 30%, rgba(77,157,224,.18) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 25%, rgba(164,208,7,.08) 0%, transparent 45%);
}
.profile-avatar {
  width:72px; height:72px; border-radius:50%;
  background:linear-gradient(135deg, #4d9de0, #2969a0);
  display:flex; align-items:center; justify-content:center;
  font-size:30px; font-weight:800; color:#fff; flex-shrink:0;
  box-shadow:0 0 0 3px rgba(77,157,224,.22), 0 6px 18px rgba(0,0,0,.4);
  position:relative; z-index:1;
}
.profile-info { flex:1; min-width:0; position:relative; z-index:1; }
.profile-name-row { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.profile-name { font-size:22px; font-weight:800; color:#fff; margin:0; line-height:1.2; }
.profile-uid-badge {
  font-family:var(--mono); font-size:11px; color:var(--accent);
  background:rgba(77,157,224,.15); padding:2px 8px; border-radius:4px;
}
.profile-bio { font-size:13px; color:var(--text-dim); line-height:1.5; margin:6px 0 0; }
.profile-bio.empty { color:var(--text-muted); font-style:italic; opacity:.7; }
.profile-meta {
  display:flex; align-items:center; gap:12px;
  margin-top:8px; font-size:12px; color:var(--text-muted);
}
.profile-meta strong { color:var(--text-dim); font-weight:600; }
.pmeta-sep { width:1px; height:12px; background:var(--border); }
.profile-actions { display:flex; gap:8px; flex-shrink:0; position:relative; z-index:1; }

/* Profile section bar */
.profile-section-bar {
  display:flex; align-items:center; justify-content:space-between;
  margin-top:28px; margin-bottom:12px; padding-bottom:10px;
  border-bottom:1px solid var(--border);
}
.profile-section-bar h2 {
  font-size:15px; font-weight:600; color:#fff; margin:0;
  display:flex; align-items:center; gap:8px;
}
.psb-bar { width:3px; height:16px; border-radius:2px; background:var(--accent); }
.psb-count { font-size:12px; color:var(--text-muted); }

/* ===== Card Floating Action Buttons ===== */
/* Owner-only: hidden by default, shown via body.is-owner */
.owner-only { display:none !important; }
body.is-owner .owner-only { display:flex !important; }

.card-fab {
  position:absolute; top:8px; right:8px; z-index:20;
  display:flex; gap:6px;
  opacity:0; transform:translateY(-4px);
  transition:opacity .2s, transform .2s;
}
.game-card:hover .card-fab { opacity:1; transform:translateY(0); }
.fab {
  width:32px; height:32px; border-radius:6px; border:1px solid rgba(255,255,255,.15);
  cursor:pointer; font-size:14px; font-weight:600;
  display:flex; align-items:center; justify-content:center;
  background:rgba(0,0,0,.75); color:#fff;
  backdrop-filter:blur(8px);
  box-shadow:0 2px 8px rgba(0,0,0,.4);
  transition:all .15s; font-family:inherit;
}
.fab:hover { transform:scale(1.1); }
.fab-info:hover { background:var(--accent); border-color:var(--accent); }
.fab-edit:hover { background:var(--green); border-color:var(--green); color:#1b1b2f; }

/* ===== Buttons ===== */
.btn {
  display:inline-flex; align-items:center; gap:6px; padding:8px 18px;
  border-radius:var(--radius-sm); font-size:13px; font-weight:500;
  transition:all .15s; cursor:pointer; border:none; font-family:inherit; text-decoration:none;
}
.btn-primary { background:linear-gradient(135deg,#4d9de0,#3d8bd0); color:#fff; }
.btn-primary:hover { background:linear-gradient(135deg,#66c0f4,#4d9de0); transform:translateY(-1px); box-shadow:0 4px 12px rgba(77,157,224,.3); }
.btn-ghost { background:var(--surface); color:var(--text); border:1px solid var(--border); }
.btn-ghost:hover { background:var(--surface-hover); border-color:var(--border-hover); }
.btn-sm { padding:5px 12px; font-size:12px; }
.btn-green { background:linear-gradient(135deg,#a4d007,#8cbf00); color:#1b1b2f; font-weight:600; }
.btn-green:hover { background:linear-gradient(135deg,#b8e612,#a4d007); }
.btn.loading { pointer-events:none; opacity:.7; position:relative; color:transparent !important; }
.btn.loading::after { content:''; position:absolute; inset:0; margin:auto; width:16px; height:16px; border:2px solid rgba(255,255,255,.3); border-top-color:#fff; border-radius:50%; animation:btn-spin .6s linear infinite; }
@keyframes btn-spin { to { transform:rotate(360deg); } }

/* ===== Form ===== */
.form-group { margin-bottom:14px; }
.form-group label { display:block; font-size:12px; color:var(--text-dim); margin-bottom:5px; text-transform:uppercase; letter-spacing:.5px; }
.form-group input,.form-group textarea {
  width:100%; padding:9px 12px; background:var(--bg); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text); font-size:14px; font-family:inherit; transition:border-color .15s;
}
.form-group input:focus,.form-group textarea:focus { outline:none; border-color:var(--accent); background:#1e2430; }
.form-group textarea { resize:vertical; min-height:72px; }
.form-submit { width:100%; justify-content:center; padding:10px; font-size:14px; }

/* ===== Auth Page ===== */
.auth-page { min-height:calc(100vh - 72px); display:flex; align-items:center; justify-content:center; padding:40px 20px; }
.auth-card { width:100%; max-width:380px; background:var(--surface); border:1px solid var(--border); border-radius:8px; padding:32px; box-shadow:0 8px 32px rgba(0,0,0,.3); }
.auth-card h2 { font-size:20px; color:#fff; margin-bottom:4px; }
.auth-card .sub { color:var(--text-dim); font-size:13px; margin-bottom:24px; }
.form-switch { text-align:center; margin-top:14px; font-size:12px; color:var(--text-muted); }
.form-switch a { color:var(--accent); cursor:pointer; }
.form-switch a:hover { color:var(--accent-hover); }
.auth-error { padding:10px 12px; border-radius:var(--radius-sm); background:rgba(224,82,82,.1); border:1px solid rgba(224,82,82,.2); color:var(--red); font-size:12px; margin-bottom:14px; display:none; }

/* ===== File Zone ===== */
.file-zone { border:2px dashed var(--border); border-radius:var(--radius); padding:28px 20px; text-align:center; cursor:pointer; transition:all .2s; position:relative; }
.file-zone:hover,.file-zone.drag-over { border-color:var(--accent); background:rgba(77,157,224,.04); }
.file-zone .zone-icon { font-size:32px; margin-bottom:4px; opacity:.5; }
.file-zone .zone-text { color:var(--text-dim); font-size:13px; }
.file-zone .zone-hint { color:var(--text-muted); font-size:11px; margin-top:3px; }
.file-zone input[type="file"] { position:absolute; inset:0; opacity:0; cursor:pointer; }
.file-zone.has-file { border-color:var(--green); border-style:solid; background:rgba(164,208,7,.04); }
.file-name { color:var(--green); font-size:12px; margin-top:6px; word-break:break-all; }

/* ===== Message ===== */
.msg { padding:10px 14px; border-radius:var(--radius-sm); margin-bottom:16px; font-size:12px; display:none; }
.msg.success { display:block; background:rgba(164,208,7,.08); border:1px solid rgba(164,208,7,.2); color:var(--green); }
.msg.error { display:block; background:rgba(224,82,82,.08); border:1px solid rgba(224,82,82,.2); color:var(--red); }
.msg a { color:var(--accent); text-decoration:underline; }

/* ===== Copied Hint ===== */
.copied-hint { color:var(--green); font-size:11px; opacity:0; transition:opacity .3s; }
.copied-hint.show { opacity:1; }

/* ===== 404 ===== */
.page-404 { text-align:center; padding:100px 20px; }
.page-404 .code { font-size:80px; font-weight:900; color:var(--accent); line-height:1; margin-bottom:8px; }
.page-404 h2 { color:var(--text-dim); margin-bottom:6px; }
.page-404 p { color:var(--text-muted); margin-bottom:20px; }

/* ===== Footer ===== */
footer { text-align:center; padding:20px; color:var(--text-muted); font-size:11px; border-top:1px solid var(--border); }

/* ===== Responsive ===== */
@media (max-width:768px) {
  .navbar { height:60px; }
  .nav-inner { padding:0 16px; }
  .logo { font-size:18px; }
  .logo-icon { width:30px; height:30px; }
  .nav-links a,.nav-links button { font-size:13px; padding:6px 12px; }
  .filter-bar { padding:12px 16px 0; height:56px; }
  .card-grid { grid-template-columns:repeat(2,1fr); gap:12px; padding:16px 12px 40px; }
  .game-cover { height:130px; }
  .game-cover .emoji { font-size:40px; }
  .game-info { padding:10px 12px; }
  .game-name { font-size:13px; }
  .game-desc { font-size:11px; }
  .filter-label { display:none; }
  .game-count { display:none; }
  .auth-card { padding:24px 20px; }
}

@media (max-width:480px) {
  .card-grid { grid-template-columns:1fr; }
  .game-cover { height:160px; }
  .profile-page { padding:16px 12px 40px; }
  .profile-hero { flex-direction:column; align-items:flex-start; padding:20px; gap:14px; }
  .profile-avatar { width:56px; height:56px; font-size:24px; }
  .profile-name { font-size:20px; }
  .profile-actions { width:100%; }
  .profile-actions .btn { flex:1; justify-content:center; }
}