/* ═══════════════════════════════════════════════════════════════════════
   JTA Community — Discord's LAYOUT with JTA's "Notion Minimal" SKIN.
   Tokens lifted from JTA-Core/public/style.css: near-white canvas, white
   cards, 1px #ececec borders, #1a1a1a ink, gold accent; dark theme via
   html[data-theme="dark"]. One file, no frameworks.
   ═══════════════════════════════════════════════════════════════════════ */
:root {
  --bg: #fafaf8;
  --glass: #ffffff;
  --glass-soft: #f6f6f3;
  --stroke: #ececec;
  --stroke-strong: #dfdfda;
  --text: #1a1a1a;
  --text-dim: #6b6b66;
  --text-faint: #9b9b95;
  --gold: #b98a00;
  --amber: #e8b84b;
  --grad-gold: linear-gradient(135deg, #2e2e2c 0%, #1a1a1a 100%);
  --green: #17854b;
  --danger: #d33c3c;
  --ink-on-gold: #ffffff;
  --r: 10px;
  --r-full: 999px;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101010;
  --glass: #1e1e1e;
  --glass-soft: #161616;
  --stroke: #2a2a2a;
  --stroke-strong: #3a3a3a;
  --text: #f2f0ea;
  --text-dim: #a8a8a0;
  --text-faint: #75756e;
  --gold: #e8b84b;
  --amber: #f4cf7a;
  --grad-gold: linear-gradient(135deg, #e8b84b 0%, #d19a2f 100%);
  --green: #34d07c;
  --danger: #f87171;
  --ink-on-gold: #1d1405;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; -webkit-tap-highlight-color: transparent; }
input, textarea { font: inherit; color: inherit; }
button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid rgba(185, 138, 0, 0.55); outline-offset: 2px; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-thumb { background: var(--stroke-strong); border-radius: 99px; }

/* ═══ auth ═══ */
.auth-screen { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; overflow-y: auto; padding: 20px; background: var(--bg); z-index: 50; }
.auth-card { width: 100%; max-width: 380px; background: var(--glass); border: 1px solid var(--stroke); border-radius: 16px; padding: 28px 24px; margin: auto; }
.auth-logo { width: 54px; height: 54px; border-radius: 16px; background: var(--grad-gold); color: var(--ink-on-gold); display: flex; align-items: center; justify-content: center; font-weight: 800; letter-spacing: 0.5px; margin: 0 auto 12px; }
.auth-title { font-size: 22px; text-align: center; }
.auth-sub { color: var(--text-dim); font-size: 13px; text-align: center; margin: 4px 0 18px; }
.auth-tabs { display: flex; gap: 6px; background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: var(--r-full); padding: 4px; margin-bottom: 18px; }
.auth-tab { flex: 1; padding: 7px 0; border-radius: var(--r-full); font-size: 13px; color: var(--text-dim); }
.auth-tab.active { background: var(--grad-gold); color: var(--ink-on-gold); font-weight: 600; }
.auth-form { display: flex; flex-direction: column; gap: 12px; }
.auth-form label { display: flex; flex-direction: column; gap: 5px; font-size: 12.5px; color: var(--text-dim); font-weight: 600; }
.auth-form input { background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: var(--r); padding: 10px 12px; font-size: 15px; }
.auth-error { color: var(--danger); font-size: 13px; min-height: 1em; text-align: center; }
.field-err { color: var(--danger); font-size: 12px; font-weight: 400; }
.btn-primary { background: var(--grad-gold); color: var(--ink-on-gold); border-radius: var(--r-full); padding: 11px 18px; font-weight: 700; }
.btn-ghost { border: 1px solid var(--stroke-strong); border-radius: var(--r-full); padding: 8px 16px; color: var(--text-dim); }
.btn-danger { color: var(--danger); border: 1px solid var(--danger); border-radius: var(--r-full); padding: 6px 12px; font-size: 13px; }

/* ═══ app grid: rail | channels | main | members ═══ */
.app { display: flex; height: 100dvh; }

.server-rail { width: 64px; flex-shrink: 0; background: var(--glass-soft); border-right: 1px solid var(--stroke); display: flex; flex-direction: column; align-items: center; padding: 12px 0; gap: 10px; }
.server-icon { width: 44px; height: 44px; border-radius: 14px; background: var(--grad-gold); color: var(--ink-on-gold); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px; }
.rail-spacer { flex: 1; }
.rail-btn { width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--stroke); background: var(--glass); font-size: 16px; }

.channel-col { width: 250px; flex-shrink: 0; background: var(--glass); border-right: 1px solid var(--stroke); display: flex; flex-direction: column; }
.community-head { padding: 14px 14px 10px; border-bottom: 1px solid var(--stroke); display: flex; align-items: center; justify-content: space-between; }
.community-name { font-weight: 700; }
.tier-badge { font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; padding: 2px 8px; border-radius: var(--r-full); background: var(--glass-soft); border: 1px solid var(--stroke-strong); color: var(--text-dim); }
.tier-badge.private { background: var(--grad-gold); color: var(--ink-on-gold); border-color: transparent; }

.classroom-entry { padding: 10px 10px 0; }
.classroom-btn { width: 100%; text-align: left; padding: 9px 12px; border-radius: var(--r); background: var(--grad-gold); color: var(--ink-on-gold); font-weight: 700; font-size: 14px; }

.channel-list { flex: 1; overflow-y: auto; padding: 8px; }
.cat-head { display: flex; align-items: center; gap: 5px; width: 100%; padding: 8px 6px 4px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-faint); }
.cat-caret { transition: transform 0.15s; font-size: 9px; }
.cat-head.collapsed .cat-caret { transform: rotate(-90deg); }
.channel-item { display: flex; align-items: center; gap: 8px; width: 100%; padding: 6px 8px; border-radius: 8px; color: var(--text-dim); font-size: 14.5px; text-align: left; }
.channel-item:hover { background: var(--glass-soft); }
.channel-item.active { background: var(--glass-soft); color: var(--text); font-weight: 600; }
.channel-item.locked { color: var(--text-faint); cursor: not-allowed; }
.channel-emoji { width: 20px; text-align: center; flex-shrink: 0; }
.channel-lock { margin-left: auto; font-size: 12px; }

.me-bar { border-top: 1px solid var(--stroke); padding: 10px 12px; display: flex; align-items: center; gap: 8px; }
.me-name { flex: 1; font-size: 13.5px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ═══ main pane ═══ */
.main-pane { flex: 1; min-width: 0; display: flex; flex-direction: column; position: relative; }
.topbar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--stroke); background: var(--glass); }
.topbar-emoji { font-size: 18px; }
.topbar-name { font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar-spacer { flex: 1; }
.search-input { width: 150px; background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: var(--r-full); padding: 6px 12px; font-size: 13px; }
.icon-btn { width: 34px; height: 34px; border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 15px; color: var(--text-dim); flex-shrink: 0; }
.icon-btn:hover { background: var(--glass-soft); }

.overlay-panel { position: absolute; top: 54px; right: 12px; width: min(380px, calc(100% - 24px)); max-height: 60%; overflow-y: auto; background: var(--glass); border: 1px solid var(--stroke-strong); border-radius: 12px; padding: 10px; z-index: 20; box-shadow: 0 8px 30px rgba(0,0,0,0.12); }

.message-list { flex: 1; overflow-y: auto; padding: 14px 16px 8px; }
.date-divider { display: flex; align-items: center; gap: 10px; margin: 14px 0 8px; color: var(--text-faint); font-size: 11.5px; font-weight: 700; text-transform: uppercase; }
.date-divider::before, .date-divider::after { content: ''; flex: 1; height: 1px; background: var(--stroke); }
.msg { display: flex; gap: 10px; padding: 4px 6px; border-radius: 10px; position: relative; }
.msg:hover { background: var(--glass-soft); }
.avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--glass-soft); border: 1px solid var(--stroke-strong); color: var(--text-dim); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.avatar-sm { width: 28px; height: 28px; font-size: 11px; }
.avatar.staff { background: var(--grad-gold); color: var(--ink-on-gold); border-color: transparent; }
.msg-body { min-width: 0; flex: 1; }
.msg-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.msg-sender { font-weight: 700; font-size: 14px; }
.msg-badge { font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: var(--r-full); background: var(--grad-gold); color: var(--ink-on-gold); }
.msg-badge.staff-plain { background: var(--glass-soft); color: var(--text-dim); border: 1px solid var(--stroke-strong); }
.msg-time { color: var(--text-faint); font-size: 11.5px; }
.msg-text { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14.5px; }
.msg-media { max-width: 240px; border-radius: 10px; margin-top: 4px; }
.msg-attach { display: inline-flex; align-items: center; gap: 6px; margin-top: 4px; padding: 7px 11px; border: 1px solid var(--stroke-strong); border-radius: var(--r); font-size: 13px; color: var(--text-dim); text-decoration: none; }
.msg-pin-flag { color: var(--gold); font-size: 11px; }
.msg-actions { position: absolute; top: -10px; right: 8px; display: none; gap: 2px; background: var(--glass); border: 1px solid var(--stroke-strong); border-radius: var(--r-full); padding: 2px 4px; }
.msg:hover .msg-actions { display: flex; }
.msg-action { padding: 2px 6px; border-radius: var(--r-full); font-size: 13px; }
.reactions { display: flex; gap: 5px; margin-top: 4px; flex-wrap: wrap; }
.reaction-chip { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--stroke-strong); border-radius: var(--r-full); padding: 2px 8px; font-size: 12.5px; background: var(--glass-soft); }
.reaction-chip.mine { border-color: var(--gold); background: rgba(185, 138, 0, 0.10); }

/* YouTube embed card */
.yt-embed { display: block; margin-top: 6px; max-width: 380px; border: 1px solid var(--stroke); border-radius: 12px; overflow: hidden; text-decoration: none; color: inherit; background: var(--glass); }
.yt-thumb-wrap { position: relative; }
.yt-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.yt-play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 42px; color: #fff; text-shadow: 0 2px 10px rgba(0,0,0,0.6); background: rgba(0,0,0,0.15); }
.yt-meta { padding: 8px 12px; }
.yt-title { font-weight: 700; font-size: 13.5px; }
.yt-channel { color: var(--text-dim); font-size: 12px; }

/* polls */
.poll-card { margin-top: 6px; max-width: 420px; border: 1px solid var(--stroke-strong); border-radius: 12px; padding: 12px 14px; background: var(--glass); }
.poll-q { font-weight: 700; margin-bottom: 8px; }
.poll-opt { display: block; width: 100%; text-align: left; border: 1px solid var(--stroke-strong); border-radius: var(--r); padding: 8px 12px; margin-bottom: 6px; font-size: 14px; }
.poll-opt:hover { border-color: var(--gold); }
.poll-result { margin-bottom: 8px; }
.poll-result-top { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 3px; }
.poll-bar { height: 8px; border-radius: 99px; background: var(--glass-soft); overflow: hidden; }
.poll-bar-fill { height: 100%; background: var(--grad-gold); border-radius: 99px; }
.poll-foot { display: flex; justify-content: space-between; align-items: center; color: var(--text-faint); font-size: 12px; margin-top: 4px; }
.poll-back-btn { color: var(--gold); font-size: 12.5px; font-weight: 600; }

.banned-note { padding: 10px 16px; background: rgba(211, 60, 60, 0.08); color: var(--danger); font-size: 13.5px; border-top: 1px solid var(--stroke); }

/* composer */
.composer { display: flex; align-items: flex-end; gap: 6px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); border-top: 1px solid var(--stroke); background: var(--glass); }
.composer-pill { flex: 1; min-width: 0; background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: 18px; padding: 8px 14px; display: flex; flex-direction: column; gap: 4px; }
.composer-pill:focus-within { border-color: rgba(185, 138, 0, 0.5); }
#composer-input { background: none; border: 0; resize: none; max-height: 120px; width: 100%; outline: none; }
.attach-chip { font-size: 12px; color: var(--text-dim); background: var(--glass); border: 1px solid var(--stroke-strong); border-radius: var(--r-full); padding: 2px 10px; align-self: flex-start; }
.send-btn { width: 38px; height: 38px; border-radius: 50%; background: var(--grad-gold); color: var(--ink-on-gold); font-size: 15px; flex-shrink: 0; }
.picker { position: absolute; bottom: 66px; right: 12px; width: 280px; max-height: 260px; overflow-y: auto; background: var(--glass); border: 1px solid var(--stroke-strong); border-radius: 12px; padding: 10px; z-index: 20; display: flex; flex-wrap: wrap; gap: 4px; box-shadow: 0 8px 30px rgba(0,0,0,0.12); }
.picker-wide { width: min(380px, calc(100% - 24px)); }
.picker-emoji { font-size: 21px; padding: 4px; border-radius: 6px; }
.picker-emoji:hover { background: var(--glass-soft); }
.picker-note { font-size: 12.5px; color: var(--text-dim); padding: 6px; }
.gif-search { width: 100%; background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: var(--r-full); padding: 7px 12px; font-size: 13px; margin-bottom: 6px; }
.gif-item { width: calc(50% - 4px); border-radius: 8px; cursor: pointer; }
.sticker-item { width: 72px; height: 72px; cursor: pointer; border-radius: 10px; padding: 6px; }
.sticker-item:hover { background: var(--glass-soft); }

/* member column */
.member-col { width: 210px; flex-shrink: 0; background: var(--glass); border-left: 1px solid var(--stroke); overflow-y: auto; }
.member-col-head { padding: 14px 14px 8px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; color: var(--text-faint); }
.member-list { padding: 0 8px 12px; }
.member-row { display: flex; align-items: center; gap: 8px; padding: 5px 8px; border-radius: 8px; font-size: 13.5px; color: var(--text-dim); }

/* ═══ classroom ═══ */
.classroom { position: fixed; inset: 0; background: var(--bg); z-index: 30; display: flex; flex-direction: column; }
.classroom-body { flex: 1; overflow-y: auto; padding: 18px; max-width: 860px; width: 100%; margin: 0 auto; }
.module-card { background: var(--glass); border: 1px solid var(--stroke); border-radius: 14px; padding: 16px 18px; margin-bottom: 14px; }
.module-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.lesson-row { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 10px; cursor: pointer; }
.lesson-row:hover { background: var(--glass-soft); }
.lesson-title { font-weight: 600; font-size: 14.5px; }
.lesson-desc { color: var(--text-dim); font-size: 12.5px; }
.lesson-player { width: 100%; border-radius: 12px; background: #000; margin: 10px 0; aspect-ratio: 16/9; }
.classroom-locked { text-align: center; color: var(--text-dim); padding: 40px 20px; }

/* ═══ admin console ═══ */
.admin-console { position: fixed; inset: 0; background: var(--bg); z-index: 30; display: flex; flex-direction: column; }
.admin-tabs { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--stroke); }
.admin-tab { padding: 7px 14px; border-radius: var(--r-full); font-size: 13.5px; color: var(--text-dim); border: 1px solid var(--stroke); }
.admin-tab.active { background: var(--grad-gold); color: var(--ink-on-gold); border-color: transparent; font-weight: 600; }
.admin-body { flex: 1; overflow-y: auto; padding: 16px; max-width: 980px; width: 100%; margin: 0 auto; }
.admin-card { background: var(--glass); border: 1px solid var(--stroke); border-radius: 14px; padding: 14px 16px; margin-bottom: 12px; }
.admin-row { display: flex; align-items: center; gap: 10px; padding: 7px 4px; border-bottom: 1px solid var(--stroke); font-size: 14px; flex-wrap: wrap; }
.admin-row:last-child { border-bottom: 0; }
.admin-row .grow { flex: 1; min-width: 120px; }
.admin-note { color: var(--text-dim); font-size: 13px; margin-bottom: 10px; }
.pill-toggle { border: 1px solid var(--stroke-strong); border-radius: var(--r-full); padding: 4px 12px; font-size: 12.5px; font-weight: 600; }
.pill-toggle.private { background: var(--grad-gold); color: var(--ink-on-gold); border-color: transparent; }
.admin-input { background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: var(--r); padding: 8px 12px; font-size: 14px; }
.mono { font-family: ui-monospace, monospace; font-size: 12.5px; color: var(--text-dim); }

/* modal */
.modal-back { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 60; padding: 16px; }
.modal { width: 100%; max-width: 420px; background: var(--glass); border: 1px solid var(--stroke-strong); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; gap: 10px; max-height: 85dvh; overflow-y: auto; }
.modal label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; font-weight: 600; color: var(--text-dim); }
.modal input { background: var(--glass-soft); border: 1px solid var(--stroke); border-radius: var(--r); padding: 9px 12px; font-size: 14.5px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }

/* ═══ mobile (≤768px): rail+channels slide over ═══ */
.mobile-only { display: none; }
@media (max-width: 768px) {
  .mobile-only { display: flex; }
  .server-rail { position: fixed; left: 0; top: 0; bottom: 0; z-index: 41; transform: translateX(-110%); transition: transform 0.2s; }
  .channel-col { position: fixed; left: 0; top: 0; bottom: 0; z-index: 40; width: min(300px, 84vw); transform: translateX(-110%); transition: transform 0.2s; box-shadow: 8px 0 30px rgba(0,0,0,0.12); }
  .app.drawer-open .server-rail { transform: translateX(0); }
  .app.drawer-open .channel-col { transform: translateX(64px); }
  .member-col { position: fixed; right: 0; top: 0; bottom: 0; z-index: 40; width: min(260px, 80vw); box-shadow: -8px 0 30px rgba(0,0,0,0.12); }
  .search-input { width: 90px; }
  .yt-embed, .poll-card { max-width: 100%; }
}