:root {
  --bg: #0b1220; --panel: #151e33; --panel2: #1b2640; --line: #2a3654;
  --text: #f1f5f9; --muted: #94a3b8; --sky: #38bdf8; --violet: #a78bfa;
  --green: #34d399; --amber: #fbbf24; --red: #f87171;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif; font-size: 15px; }
nav { display: flex; justify-content: space-between; align-items: center;
  padding: 14px 28px; background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 17px; }
.brand span { color: var(--sky); }
.nav-links a { color: var(--muted); text-decoration: none; margin-left: 18px; }
.nav-links a:hover { color: var(--sky); }
.nav-links .sep { color: var(--line); margin-left: 18px; }
main { max-width: 1080px; margin: 26px auto; padding: 0 20px; }
h1, h2, h3 { margin: 0 0 14px; }
h2 { font-size: 24px; }
a { color: var(--sky); }
.page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.meta-line { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 18px; align-items: center; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; margin-bottom: 18px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.mt { margin-top: 12px; }
.hidden { display: none; }

label { display: block; margin: 14px 0 6px; font-weight: 600; color: var(--muted); font-size: 13.5px; }
input, select, textarea { width: 100%; background: var(--panel2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 14px; }
input[type="checkbox"] { width: auto; }
input[type="file"] { padding: 8px; }
textarea { resize: vertical; }
.form-inline input, .form-inline select { width: auto; }

.chk { display: inline-flex; align-items: center; gap: 8px; margin-right: 20px; cursor: pointer; }
.checks { margin: 6px 0; }

.btn { display: inline-block; background: var(--panel2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 16px;
  font-size: 14px; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--sky); }
.btn.primary { background: linear-gradient(90deg, #0284c7, #7c3aed); border: none; }
.btn.primary:hover { filter: brightness(1.15); }
.btn.danger { background: #7f1d1d; border-color: var(--red); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn-block { width: 100%; margin-top: 16px; }

.tbl { width: 100%; border-collapse: collapse; background: var(--panel);
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.tbl th { background: var(--panel2); color: var(--sky); text-align: left;
  padding: 10px 12px; font-size: 12.5px; }
.tbl td { padding: 10px 12px; border-top: 1px solid var(--line); font-size: 13.5px; }
.tbl tr:nth-child(even) td { background: #131b2e; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.st-done { background: rgba(52, 211, 153, .15); color: var(--green); }
.st-error { background: rgba(248, 113, 113, .15); color: var(--red); }
.st-processing, .st-uploaded { background: rgba(56, 189, 248, .15); color: var(--sky); }

.alert { background: rgba(251, 191, 36, .12); color: var(--amber);
  border: 1px solid rgba(251, 191, 36, .35); padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert.danger { background: rgba(248, 113, 113, .12); color: var(--red);
  border-color: rgba(248, 113, 113, .35); }
.alert.ok { background: rgba(52, 211, 153, .12); color: var(--green);
  border-color: rgba(52, 211, 153, .35); }

.empty { text-align: center; color: var(--muted); padding: 60px 0; }
.center-card { max-width: 400px; margin: 60px auto; background: var(--panel);
  border: 1px solid var(--line); border-radius: 14px; padding: 30px; }
.center-card h1 { font-size: 21px; }
.center-card h1 span { color: var(--sky); }

.modal { position: fixed; inset: 0; background: rgba(2, 6, 23, .75);
  display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal.hidden { display: none; }
.modal-box { background: var(--panel); border: 1px solid var(--line);
  border-radius: 14px; padding: 24px; max-width: 460px; width: 92%; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }