/* DGX FrameFlow design system */
:root {
  --bg: #0B0B0F;
  --bg-2: #101016;
  --card: #15151D;
  --card-2: #1A1A24;
  --border: #292936;
  --border-strong: #3A3A4A;
  --primary: #8B5CF6;
  --primary-hover: #7C4DEB;
  --primary-soft: rgba(139, 92, 246, 0.14);
  --violet: #A78BFA;
  --text: #F9FAFB;
  --text-2: #9CA3AF;
  --text-3: #6B7280;
  --success: #22C55E;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --sidebar-w: 236px;
  --rail-w: 300px;
  --topbar-h: 60px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 14px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--violet); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 22px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
p { margin: 0; }
.mono { font-family: var(--mono); font-size: 12.5px; }
.muted { color: var(--text-2); }
.faint { color: var(--text-3); }
.small { font-size: 12.5px; }
.nowrap { white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- App shell ---------- */
.shell { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--rail-w); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; background: var(--bg-2); border-right: 1px solid var(--border); display: flex; flex-direction: column; padding: 18px 12px; gap: 6px; }
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: -0.01em; }
.brand-name span { color: var(--violet); }
.brand-tag { font-size: 11px; color: var(--text-3); }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); padding: 14px 10px 6px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); color: var(--text-2); font-weight: 500; }
.nav a:hover { background: var(--card); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--primary-soft); color: var(--text); }
.nav a.active svg { color: var(--violet); }
.nav .count { margin-left: auto; font-size: 11px; background: var(--card-2); border: 1px solid var(--border); border-radius: 999px; padding: 0 7px; color: var(--text-2); }
.sidebar-foot { margin-top: auto; padding: 10px; font-size: 11.5px; color: var(--text-3); }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { position: sticky; top: 0; z-index: 20; height: var(--topbar-h); display: flex; align-items: center; gap: 12px; padding: 0 24px; background: rgba(11,11,15,.86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.topbar h1 { font-size: 16px; }
.topbar .spacer { flex: 1; }
.content { padding: 24px; display: flex; flex-direction: column; gap: 20px; max-width: 1280px; width: 100%; }

.rail { position: sticky; top: 0; height: 100vh; overflow-y: auto; border-left: 1px solid var(--border); background: var(--bg-2); padding: 18px 16px; display: flex; flex-direction: column; gap: 14px; }
.rail-card { display: block; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; color: var(--text); transition: border-color .15s, transform .15s; }
.rail-card:hover { border-color: var(--primary); text-decoration: none; }
.rail-card h3 { display: flex; align-items: center; gap: 8px; font-size: 13.5px; margin-bottom: 10px; }
.rail-card h3 .go { margin-left: auto; color: var(--text-3); }

.mobile-only { display: none !important; }
.btn.menu-btn { display: none; }

@media (max-width: 1279px) {
  .shell { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }
  .rail { position: static; height: auto; grid-column: 2; border-left: 0; border-top: 1px solid var(--border); display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
}
@media (max-width: 860px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; z-index: 50; left: 0; top: 0; width: 260px; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow); }
  .sidebar.open { transform: none; }
  .rail { grid-column: 1; }
  .btn.menu-btn { display: inline-flex; }
  .content { padding: 16px; }
  .topbar { padding: 0 16px; }
  .mobile-only { display: initial !important; }
  .hide-mobile { display: none !important; }
}
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 40; }

/* ---------- Primitives ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.card.flush { padding: 0; overflow: hidden; }
.card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.card-head .spacer { flex: 1; }
.card-sub { color: var(--text-2); font-size: 13px; margin-top: 2px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1000px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); } }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.tight { gap: 6px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
.stack.tight { gap: 6px; }
.spacer { flex: 1; }
.divider { height: 1px; background: var(--border); margin: 4px 0; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 7px; height: 36px; padding: 0 14px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--card-2); color: var(--text); font-weight: 500; cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s, opacity .15s; }
.btn:hover { background: #22222E; border-color: #4A4A5C; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--card-2); color: var(--text); }
.btn.danger { color: #FCA5A5; border-color: rgba(239,68,68,.35); background: rgba(239,68,68,.08); }
.btn.danger:hover { background: rgba(239,68,68,.16); }
.btn.success { color: #86EFAC; border-color: rgba(34,197,94,.35); background: rgba(34,197,94,.08); }
.btn.sm { height: 30px; padding: 0 10px; font-size: 12.5px; }
.btn.xs { height: 26px; padding: 0 8px; font-size: 12px; border-radius: 6px; }
.btn.icon { width: 36px; padding: 0; }
.btn.lg { height: 44px; padding: 0 18px; font-size: 15px; }

.input, .select, .textarea { width: 100%; height: 38px; padding: 0 12px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--bg-2); color: var(--text); transition: border-color .15s; }
.textarea { height: auto; padding: 10px 12px; resize: vertical; min-height: 84px; }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.input.code { font-family: var(--mono); text-transform: uppercase; letter-spacing: .04em; }
.input.code::placeholder { text-transform: none; letter-spacing: normal; font-family: var(--font); }
.row > .input.grow { flex: 1; min-width: 0; width: auto; }
.label { display: block; font-size: 12.5px; color: var(--text-2); margin-bottom: 6px; font-weight: 500; }
.field { display: flex; flex-direction: column; }
.help { font-size: 12px; color: var(--text-3); margin-top: 5px; }
.check { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; color: var(--text-2); }
.check input { accent-color: var(--primary); width: 16px; height: 16px; }

.badge { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.b-neutral { background: #1F1F2A; color: var(--text-2); border-color: var(--border); }
.b-purple { background: var(--primary-soft); color: #C4B5FD; border-color: rgba(139,92,246,.3); }
.b-success { background: rgba(34,197,94,.1); color: #86EFAC; border-color: rgba(34,197,94,.25); }
.b-warning { background: rgba(245,158,11,.1); color: #FCD34D; border-color: rgba(245,158,11,.25); }
.b-error { background: rgba(239,68,68,.1); color: #FCA5A5; border-color: rgba(239,68,68,.25); }
.b-info { background: rgba(59,130,246,.1); color: #93C5FD; border-color: rgba(59,130,246,.25); }

.progress { height: 6px; background: #22222E; border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: var(--primary); border-radius: 999px; transition: width .4s ease; }
.progress.success > span { background: var(--success); }
.seg-bar { display: flex; height: 8px; border-radius: 999px; overflow: hidden; background: #22222E; gap: 2px; }
.seg-bar > span { display: block; height: 100%; }

.stat { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; }
.stat .k { font-size: 12px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.stat .v { font-size: 24px; font-weight: 700; margin-top: 4px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .s { font-size: 12px; color: var(--text-3); margin-top: 2px; }
.mini-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.mini-stats div { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.mini-stats b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.mini-stats span { font-size: 11.5px; color: var(--text-2); }

.table-wrap { width: 100%; overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th { text-align: left; font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--bg-2); white-space: nowrap; }
.table td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: #181822; }
.table tr.selected td { background: rgba(34,197,94,.05); }
.table tr.rejected td { opacity: .55; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); overflow-x: auto; }
.tabs button { background: none; border: 0; padding: 10px 14px; color: var(--text-2); font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs button:hover { color: var(--text); }
.tabs button.active { color: var(--text); border-bottom-color: var(--primary); }

.empty { text-align: center; padding: 36px 16px; color: var(--text-2); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.empty svg { color: var(--text-3); }
.notice { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--bg-2); font-size: 13px; }
.notice.warning { border-color: rgba(245,158,11,.3); background: rgba(245,158,11,.06); }
.notice.error { border-color: rgba(239,68,68,.3); background: rgba(239,68,68,.06); }
.notice.info { border-color: rgba(59,130,246,.3); background: rgba(59,130,246,.06); }
.notice.success { border-color: rgba(34,197,94,.3); background: rgba(34,197,94,.06); }
.notice svg { flex-shrink: 0; margin-top: 1px; }

.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(255,255,255,.2); border-top-color: var(--violet); animation: spin .8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.page-loading { display: grid; place-items: center; min-height: 40vh; }
.fade-in { animation: fade .2s ease-out; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.avatar { border-radius: 50%; background: var(--card-2); border: 1px solid var(--border-strong); display: inline-grid; place-items: center; overflow: hidden; flex-shrink: 0; font-weight: 600; color: var(--violet); }
.avatar img { width: 100%; height: 100%; object-fit: cover; }

.profile-btn { display: flex; align-items: center; gap: 10px; background: none; border: 1px solid transparent; border-radius: 999px; padding: 3px 4px 3px 10px; cursor: pointer; }
.profile-btn:hover { border-color: var(--border); background: var(--card); }
.menu { position: absolute; right: 0; top: calc(100% + 8px); width: 300px; background: var(--card); border: 1px solid var(--border-strong); border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px; z-index: 60; }

.modal-back { position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 80; display: grid; place-items: center; padding: 16px; }
.modal { background: var(--card); border: 1px solid var(--border-strong); border-radius: 14px; box-shadow: var(--shadow); width: min(560px, 100%); max-height: 90vh; overflow: auto; }
.modal.wide { width: min(920px, 100%); }
.modal-head { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.modal-body { padding: 18px; display: flex; flex-direction: column; gap: 14px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--border); }

.toasts { position: fixed; bottom: 18px; right: 18px; z-index: 100; display: flex; flex-direction: column; gap: 8px; max-width: min(420px, calc(100vw - 32px)); }
.toast { background: var(--card-2); border: 1px solid var(--border-strong); border-left: 3px solid var(--info); border-radius: 10px; padding: 11px 14px; box-shadow: var(--shadow); font-size: 13px; animation: fade .2s ease-out; }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--warning); }

/* ---------- Feature-specific ---------- */
.hero-tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 760px) { .hero-tools { grid-template-columns: 1fr; } }
.tool-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.tool-card .icon-wrap { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--violet); }

.segment { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.segment-head { display: grid; grid-template-columns: 54px minmax(0, 1fr) auto; gap: 12px; padding: 14px 16px; align-items: start; cursor: pointer; }
.segment-head:hover { background: #181822; }
.seg-no { font-family: var(--mono); color: var(--text-3); font-size: 12px; padding-top: 2px; }
.seg-text { font-size: 14.5px; line-height: 1.55; }
.seg-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.segment-body { border-top: 1px solid var(--border); padding: 14px 16px; display: flex; flex-direction: column; gap: 14px; background: #121219; }
.chip { display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 11.5px; background: var(--card-2); border: 1px solid var(--border); color: var(--text-2); }
.alt-card { border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: var(--card); display: flex; flex-direction: column; gap: 6px; }
.alt-card.accepted { border-color: rgba(34,197,94,.45); }
.alt-card.dismissed { opacity: .55; }
.kv { display: grid; grid-template-columns: 120px minmax(0,1fr); gap: 4px 12px; font-size: 13px; }
.kv dt { color: var(--text-3); }
.kv dd { margin: 0; }
.ts-link { font-family: var(--mono); font-size: 12.5px; white-space: nowrap; }
.table td.actions { width: 1%; white-space: nowrap; }
.table .sub { color: var(--text-3); font-size: 12px; margin-top: 3px; }
.script-text { white-space: pre-wrap; font-size: 14.5px; line-height: 1.7; color: #E5E7EB; }
.player { position: relative; width: 100%; aspect-ratio: 16/9; background: #000; border-radius: 10px; overflow: hidden; }
.player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.lb-row { display: flex; align-items: center; gap: 10px; padding: 6px 0; }
.lb-rank { width: 22px; text-align: center; font-weight: 700; color: var(--text-3); font-variant-numeric: tabular-nums; }
.lb-rank.top { color: var(--violet); }
.lb-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-val { font-weight: 600; font-variant-numeric: tabular-nums; }

.chart { width: 100%; height: auto; display: block; }
.chart text { fill: var(--text-3); font-size: 10px; font-family: var(--font); }

/* ---------- Auth pages ---------- */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.auth-left { padding: 48px; display: flex; flex-direction: column; justify-content: space-between; background: var(--bg-2); border-right: 1px solid var(--border); position: relative; overflow: hidden; }
.auth-left .frame-art { position: absolute; right: -60px; bottom: -60px; opacity: .08; }
.auth-right { display: grid; place-items: center; padding: 32px 20px; }
.auth-box { width: min(380px, 100%); display: flex; flex-direction: column; gap: 18px; }
.google-btn { display: flex; align-items: center; justify-content: center; gap: 10px; height: 46px; border-radius: 10px; border: 1px solid var(--border-strong); background: #fff; color: #1F1F1F; font-weight: 600; cursor: pointer; font-size: 15px; }
.google-btn:hover { background: #F3F4F6; }
.google-btn:disabled { opacity: .6; cursor: wait; }
.feature-list { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; max-width: 420px; }
.feature-list div { display: flex; gap: 12px; align-items: flex-start; color: var(--text-2); }
.feature-list svg { color: var(--violet); flex-shrink: 0; margin-top: 2px; }
@media (max-width: 860px) {
  .auth-page { grid-template-columns: 1fr; }
  .auth-left { display: none; }
}