:root{
  --bg:#ffffff; --page:#f7f8fa; --panel:#ffffff; --panel-2:#f4f6f9; --border:#e4e7ec;
  --text:#1a1d27; --muted:#667085; --accent:#6d4bff; --accent-ink:#5a37f0; --accent-2:#08a37a;
  --danger:#e5484d; --warn:#b5730a; --ok:#08a37a;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow:0 1px 3px rgba(16,24,40,.06),0 12px 28px rgba(16,24,40,.08);
  font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:radial-gradient(1100px 520px at 82% -12%,rgba(109,75,255,.07),transparent),var(--page);color:var(--text)}
.hidden{display:none!important}
.muted{color:var(--muted)}
a{color:var(--accent-ink)}
code{background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:1px 5px;font-size:.85em}

/* Auth */
.auth{min-height:100%;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}
.brand .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 0 0 4px rgba(109,75,255,.12)}
.tabs{display:flex;gap:6px;margin:18px 0 14px;background:var(--panel-2);padding:4px;border-radius:10px}
.tab{flex:1;padding:9px;border:0;background:transparent;color:var(--muted);border-radius:8px;cursor:pointer;font-weight:600}
.tab.active{background:var(--panel);color:var(--text);box-shadow:var(--shadow-sm)}
form label{display:block;font-size:13px;color:var(--muted);margin:12px 0 0}
input,textarea,select{width:100%;margin-top:6px;padding:11px 12px;background:var(--panel);border:1px solid var(--border);border-radius:10px;color:var(--text);font:inherit}
input::placeholder,textarea::placeholder{color:#98a2b3}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(109,75,255,.15)}
textarea{min-height:120px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}
.hint{font-size:12px;color:var(--muted);margin:8px 0 0}
.error{color:var(--danger);font-size:13px;min-height:18px;margin-top:10px}

/* Buttons */
.btn{padding:10px 14px;border-radius:10px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;font-weight:600;font-size:14px;box-shadow:var(--shadow-sm)}
.btn:hover{border-color:#cfd4dc;background:#fbfbfd}
.btn.primary{background:linear-gradient(135deg,var(--accent),#5a37f0);border:0;color:#fff;width:100%;margin-top:16px;box-shadow:0 6px 16px rgba(109,75,255,.28)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{background:transparent;box-shadow:none;border-color:var(--border)}
.btn.small{padding:7px 10px;font-size:13px}
.btn.ok{background:linear-gradient(135deg,#0bbf90,#08a37a);border:0;color:#fff;box-shadow:0 6px 16px rgba(8,163,122,.25)}
.btn.danger{border-color:#f3c0c2;color:var(--danger);background:#fff}
.btn.danger:hover{background:#fff5f5}
.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}

/* App shell */
.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);z-index:5}
.top-right{display:flex;align-items:center;gap:14px}
#home-link{cursor:pointer}
.key-chip{font-size:12px;padding:5px 10px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:var(--panel)}
.key-chip.set{color:var(--ok);border-color:#b7e6d6;background:#f0fbf7}
.key-chip.missing{color:var(--warn);border-color:#f0dcae;background:#fdf7ea}
main{max-width:1080px;margin:0 auto;padding:26px 22px 60px}

.section-title{font-size:15px;font-weight:700;margin:26px 0 12px;letter-spacing:.2px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm)}
.card h3{margin:0 0 6px;font-size:16px}
.card .meta{font-size:12.5px;color:var(--muted)}
.card.click{cursor:pointer;transition:transform .08s,border-color .12s,box-shadow .12s}
.card.click:hover{transform:translateY(-2px);border-color:#d3d7e0;box-shadow:var(--shadow)}
.counts{display:flex;gap:14px;margin-top:12px;font-size:12px;color:var(--muted)}
.counts b{color:var(--text)}

.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow-sm)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.between{justify-content:space-between}
.stack>*+*{margin-top:10px}

/* Token card */
.token-input{display:flex;gap:10px}
.token-input input{flex:1}

/* Variations table */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tbody tr:hover{background:#fafbfc}
td .first-line{color:var(--text)}
td .sub{color:var(--muted);font-size:12px}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600;border:1px solid var(--border);background:var(--panel-2)}
.badge.draft{color:var(--muted)}
.badge.approved{color:var(--accent-ink);border-color:#d4cbff;background:#f3f0ff}
.badge.reference_generated{color:var(--warn);border-color:#f0dcae;background:#fdf7ea}
.badge.omni_video_generated,.badge.video_generated,.badge.final{color:var(--ok);border-color:#b7e6d6;background:#f0fbf7}
.badge.rejected{color:var(--danger);border-color:#f3c0c2;background:#fff5f5}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.tile{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden;box-shadow:var(--shadow-sm)}
.tile .frame{aspect-ratio:9/16;background:var(--panel-2);display:grid;place-items:center;color:var(--muted);font-size:12px}
.tile img,.tile video{width:100%;height:100%;object-fit:cover;display:block}
.tile .cap{padding:8px 10px;font-size:12px;display:flex;justify-content:space-between;align-items:center}

/* Job log */
.log{background:#0f1729;border:1px solid #1f2a44;border-radius:10px;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;white-space:pre-wrap;max-height:280px;overflow:auto;color:#d7deea}
.spinner{width:14px;height:14px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:spin .8s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}

.back{background:none;border:0;color:var(--muted);cursor:pointer;font-size:13px;padding:0;margin-bottom:6px}
.back:hover{color:var(--text)}
.warnbox{border:1px solid #f0dcae;background:#fdf7ea;color:#8a5a06;border-radius:10px;padding:12px 14px;font-size:13px}

/* Toast */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--text);border:1px solid var(--text);color:#fff;padding:12px 18px;border-radius:10px;box-shadow:var(--shadow);z-index:20;font-size:14px}
.toast.err{background:var(--danger);border-color:var(--danger)}
@media(max-width:640px){.token-input{flex-direction:column}main{padding:18px 14px 50px}}