/* ============ Design system — Stripe-inspired, light + dark ============ */
:root{
  --bg:#f6f9fc; --surface:#ffffff; --surface2:#f1f5f9;
  --text:#0a2540; --text2:#425466; --muted:#697386;
  --border:#e6ebf1; --border2:#d6dee8;
  --primary:#635bff; --primary-hover:#5851ec; --primary-soft:#f0efff;
  --success:#0eb576; --warn:#c05621; --danger:#df1b41;
  --shadow:0 2px 5px -1px rgba(50,50,93,.12),0 1px 3px -1px rgba(0,0,0,.1);
  --shadow-lg:0 13px 27px -5px rgba(50,50,93,.18),0 8px 16px -8px rgba(0,0,0,.22);
  --radius:10px;
  --g1:#ff5996; --g2:#635bff; --g3:#00d4ff; --g4:#7a73ff;
}
html.dark{
  --bg:#0a0d14; --surface:#12161f; --surface2:#1a1f2b;
  --text:#f0f4fa; --text2:#b6c2d4; --muted:#8494ab;
  --border:#232a38; --border2:#303948;
  --primary:#7a73ff; --primary-hover:#8d87ff; --primary-soft:#20204a;
  --shadow:0 2px 6px rgba(0,0,0,.45); --shadow-lg:0 14px 30px rgba(0,0,0,.6);
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg); color:var(--text);
  font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
  transition:background .25s,color .25s;
}
a{color:var(--primary);text-decoration:none} a:hover{text-decoration:underline}
.hidden{display:none!important}
.muted{color:var(--muted);font-size:13.5px}

/* ============ Layout ============ */
.app{display:flex;min-height:100vh}
.sidebar{
  width:230px;flex-shrink:0;padding:26px 14px;display:flex;flex-direction:column;
  border-right:1px solid var(--border);background:var(--surface);
  position:sticky;top:0;height:100vh;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;line-height:1.15;padding:0 10px 26px}
.brand-mark{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  color:#fff;font-size:20px;flex-shrink:0;
  background:linear-gradient(135deg,var(--g1),var(--g2) 55%,var(--g3));
  background-size:200% 200%;animation:gradmove 8s ease infinite;
}
nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border:none;border-radius:8px;
  background:transparent;color:var(--text2);font:inherit;font-weight:600;font-size:14px;
  cursor:pointer;text-align:left;transition:all .15s;
}
.nav-item svg{width:17px;height:17px;fill:currentColor}
.nav-item:hover{background:var(--surface2);color:var(--text)}
.nav-item.active{background:var(--primary-soft);color:var(--primary)}
.sidebar-foot{margin-top:auto;padding:0 10px}
.theme-toggle{
  border:1px solid var(--border2);background:var(--surface2);border-radius:999px;
  width:64px;height:32px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:0 9px;font-size:14px;color:var(--muted);
}
html.dark .tt-moon,html:not(.dark) .tt-sun{color:var(--primary);font-weight:700}

.main{flex:1;padding:34px 44px;max-width:1060px}

/* ============ Hero (Stripe-like animated gradient) ============ */
.hero{position:relative;border-radius:16px;overflow:hidden;margin-bottom:38px;box-shadow:var(--shadow-lg)}
.hero-gradient{
  position:absolute;inset:0;
  background:linear-gradient(115deg,var(--g1),var(--g2) 38%,var(--g3) 68%,var(--g4));
  background-size:300% 300%;animation:gradmove 14s ease-in-out infinite;
  filter:saturate(1.15);
}
@keyframes gradmove{0%{background-position:0% 40%}50%{background-position:100% 60%}100%{background-position:0% 40%}}
.hero-inner{position:relative;padding:52px 48px;color:#fff}
.hero-inner h1{font-size:34px;font-weight:800;letter-spacing:-.8px;line-height:1.18;margin-bottom:12px}
.hero-inner p{max-width:520px;font-size:15.5px;opacity:.92;margin-bottom:24px}

/* ============ Cards / buttons / fields ============ */
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);margin-bottom:18px;
}
.card h3{font-size:15.5px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.btn{
  border:1px solid var(--border2);background:var(--surface);color:var(--text);
  font:inherit;font-weight:600;font-size:13.5px;padding:8px 16px;border-radius:8px;
  cursor:pointer;transition:all .15s;box-shadow:var(--shadow);white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-danger{color:var(--danger);border-color:var(--danger)}
.btn-lg{padding:12px 22px;font-size:15px;border-radius:10px}
.btn-sm{padding:5px 12px;font-size:12.5px}
input,textarea,select{
  width:100%;font:inherit;font-size:14px;color:var(--text);
  background:var(--surface2);border:1px solid var(--border2);border-radius:8px;
  padding:10px 13px;outline:none;transition:border .15s,box-shadow .15s;resize:vertical;
}
input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
select{cursor:pointer;appearance:auto}
.field-label{display:flex;align-items:center;gap:8px;font-weight:600;font-size:13.5px;margin-bottom:8px;color:var(--text2)}
.field{margin:14px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.divider{height:1px;background:var(--border);margin:20px 0}
.card-head{margin-bottom:6px}
.row-end{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}
code{background:var(--surface2);border:1px solid var(--border);border-radius:5px;padding:1px 6px;font-size:12.5px}
.page-head{margin-bottom:24px}
.page-head h1{font-size:26px;font-weight:800;letter-spacing:-.5px}
.section-head{display:flex;align-items:baseline;gap:12px;margin-bottom:14px}
.section-head h2{font-size:19px;font-weight:700;letter-spacing:-.3px}

.chip{
  font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;
  background:var(--surface2);color:var(--muted);border:1px solid var(--border2);
  text-transform:uppercase;letter-spacing:.4px;
}
.chip.ok{background:rgba(14,181,118,.12);color:var(--success);border-color:transparent}
.chip.bad{background:rgba(223,27,65,.1);color:var(--danger);border-color:transparent}

/* ============ Banner ============ */
.banner{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:rgba(223,27,65,.08);border:1px solid rgba(223,27,65,.35);color:var(--danger);
  font-weight:600;font-size:13.5px;border-radius:10px;padding:12px 16px;margin-bottom:22px;
}

/* ============ Job cards ============ */
.job-list{display:flex;flex-direction:column;gap:12px}
.job-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px 22px;box-shadow:var(--shadow);cursor:pointer;transition:all .15s;
}
.job-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-lg)}
.job-top{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:12px}
.job-title{font-weight:700;font-size:15px}
.job-theme{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:520px}
.status{
  font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:999px;letter-spacing:.3px;
  white-space:nowrap;flex-shrink:0;
}
.status.working{background:var(--primary-soft);color:var(--primary)}
.status.review{background:rgba(192,86,33,.12);color:var(--warn)}
.status.done{background:rgba(14,181,118,.12);color:var(--success)}
.status.failed{background:rgba(223,27,65,.1);color:var(--danger)}

/* stepper */
.stepper{display:flex;align-items:center;gap:0}
.step{display:flex;align-items:center;gap:7px;font-size:11.5px;font-weight:600;color:var(--muted)}
.step .dot{width:9px;height:9px;border-radius:50%;background:var(--border2);flex-shrink:0}
.step.done-s .dot{background:var(--success)}
.step.active-s .dot{background:var(--primary);box-shadow:0 0 0 4px var(--primary-soft);animation:pulse 1.6s ease infinite}
.step.fail-s .dot{background:var(--danger)}
.step.done-s{color:var(--text2)} .step.active-s{color:var(--primary)} .step.fail-s{color:var(--danger)}
.step-line{flex:1;height:2px;background:var(--border);margin:0 9px;min-width:16px}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px var(--primary-soft)}50%{box-shadow:0 0 0 6px var(--primary-soft)}}

/* ============ Modal ============ */
.modal{
  position:fixed;inset:0;background:rgba(10,15,26,.55);backdrop-filter:blur(4px);
  display:flex;align-items:flex-start;justify-content:center;padding:5vh 20px;z-index:50;
  overflow-y:auto;
}
.modal-card{
  background:var(--surface);border:1px solid var(--border);border-radius:14px;
  box-shadow:var(--shadow-lg);width:100%;max-width:720px;padding:28px 30px;
  animation:slideup .22s ease;
}
@keyframes slideup{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.modal-card h2{font-size:20px;font-weight:800;letter-spacing:-.4px;margin-bottom:4px}
.lyrics-box{
  white-space:pre-wrap;background:var(--surface2);border:1px solid var(--border);
  border-radius:10px;padding:16px 18px;font-size:13.5px;max-height:320px;overflow-y:auto;margin:14px 0;
}
.poster-img{width:100%;border-radius:10px;border:1px solid var(--border);margin:14px 0}
.error-box{
  background:rgba(223,27,65,.07);border:1px solid rgba(223,27,65,.3);color:var(--danger);
  border-radius:10px;padding:13px 16px;font-size:13px;margin:14px 0;word-break:break-word;
}
.kv{display:flex;gap:8px;font-size:13px;margin:4px 0}
.kv b{color:var(--text2);min-width:70px;font-weight:600}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;flex-wrap:wrap}
audio,video{width:100%;margin:10px 0;border-radius:8px}

/* ============ Toasts ============ */
.toasts{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:10px;z-index:99}
.toast{
  background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);
  box-shadow:var(--shadow-lg);border-radius:10px;padding:12px 18px;font-size:13.5px;font-weight:600;
  animation:slideup .2s ease;max-width:380px;
}
.toast.err{border-left-color:var(--danger)}
.toast.ok{border-left-color:var(--success)}

@media(max-width:820px){
  .grid2{grid-template-columns:1fr}
  .app{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;flex-direction:row;align-items:center;padding:12px}
  .brand{padding:0 14px 0 4px} nav{flex-direction:row} .sidebar-foot{margin:0 0 0 auto}
  .main{padding:22px 16px}
  .hero-inner{padding:34px 26px} .hero-inner h1{font-size:26px}
}