:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #172033;
  --muted: #667085;
  --line: #dde3ee;
  --primary: #155eef;
  --primary-2: #eff4ff;
  --danger: #d92d20;
  --danger-2: #fff1f0;
  --warn: #b54708;
  --warn-2: #fffaeb;
  --ok: #067647;
  --ok-2: #ecfdf3;
  --shadow: 0 18px 48px rgba(16, 24, 40, 0.10);
  --radius: 18px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body { margin: 0; min-height: 100vh; color: var(--text); background: radial-gradient(circle at top left, #e8efff 0, transparent 34rem), var(--bg); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.58; }

.app { min-height: 100vh; }
.shell { width: min(1180px, calc(100vw - 32px)); margin: 0 auto; padding: 28px 0 44px; }
.topbar { display: flex; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.brand { display: flex; flex-direction: column; gap: 4px; }
h1, h2, h3 { margin: 0; line-height: 1.15; }
h1 { font-size: clamp(26px, 4vw, 40px); letter-spacing: -0.04em; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }
p { margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.eyebrow { color: var(--primary); font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; font-size: 12px; }

.card { background: rgba(255,255,255,0.92); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.hero { padding: 30px; display: grid; gap: 12px; }
.panel { padding: 20px; }
.stack { display: grid; gap: 16px; }
.grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.55fr); gap: 18px; align-items: start; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.between { justify-content: space-between; }

.form { display: grid; gap: 14px; }
.field { display: grid; gap: 7px; }
label { font-weight: 700; font-size: 14px; }
input, select, textarea { width: 100%; color: var(--text); background: var(--panel); border: 1px solid #cfd8e6; border-radius: 12px; padding: 11px 12px; outline: none; }
textarea { min-height: 132px; resize: vertical; font-family: var(--mono); font-size: 13px; line-height: 1.45; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(21,94,239,0.14); }
.file-name { min-height: 20px; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: 999px; padding: 9px 14px; min-height: 40px; background: var(--panel-2); color: var(--text); font-weight: 800; text-decoration: none; }
.btn.primary { background: var(--primary); color: #fff; }
.btn.ghost { border-color: var(--line); background: #fff; }
.btn.danger { color: var(--danger); background: var(--danger-2); border-color: #ffc9c4; }
.btn.warn { color: var(--warn); background: var(--warn-2); border-color: #fedf89; }
.btn.small { min-height: 32px; padding: 6px 10px; font-size: 12px; }

.notice { border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; background: var(--panel-2); color: var(--muted); }
.notice.error { color: var(--danger); background: var(--danger-2); border-color: #ffc9c4; }
.notice.ok { color: var(--ok); background: var(--ok-2); border-color: #abefc6; }
.notice.warn { color: var(--warn); background: var(--warn-2); border-color: #fedf89; }

.badge { display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; padding: 4px 9px; font-size: 12px; font-weight: 800; background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); }
.badge.ok { background: var(--ok-2); color: var(--ok); border-color: #abefc6; }
.badge.danger { background: var(--danger-2); color: var(--danger); border-color: #ffc9c4; }
.badge.warn { background: var(--warn-2); color: var(--warn); border-color: #fedf89; }
.badge.blue { background: var(--primary-2); color: var(--primary); border-color: #bfd0ff; }

.batch-list { display: grid; gap: 12px; }
.batch { border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden; }
.batch-head { width: 100%; border: 0; background: transparent; color: inherit; padding: 16px; text-align: left; display: grid; gap: 10px; }
.batch-title { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; }
.summary { display: flex; flex-wrap: wrap; gap: 8px; }
.batch-body { border-top: 1px solid var(--line); padding: 16px; display: grid; gap: 14px; background: #fcfdff; }
.account-list { display: grid; gap: 8px; max-height: 420px; overflow: auto; padding-right: 4px; }
.account { display: grid; grid-template-columns: minmax(180px, 1fr) repeat(4, auto); gap: 8px; align-items: center; border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 10px; }
.account-email { font-family: var(--mono); font-size: 12px; overflow-wrap: anywhere; }

.key-once { font-family: var(--mono); overflow-wrap: anywhere; user-select: all; border: 1px dashed #8aa8ff; background: var(--primary-2); border-radius: 12px; padding: 12px; }
.keys { display: grid; gap: 8px; }
.key-row { display: grid; grid-template-columns: 1fr auto auto auto; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: #fff; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 28px 16px; }
.login-card { width: min(460px, 100%); padding: 28px; display: grid; gap: 18px; }
.footer-note { margin-top: 16px; color: var(--muted); font-size: 12px; text-align: center; }

@media (max-width: 860px) {
  .shell { width: min(100% - 20px, 1180px); padding-top: 16px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .grid { grid-template-columns: 1fr; }
  .panel { padding: 16px; }
  .account { grid-template-columns: 1fr 1fr; }
  .account-email { grid-column: 1 / -1; }
  .key-row { grid-template-columns: 1fr; }
  .row.mobile-fill > .btn { flex: 1 1 auto; }
}

@media (prefers-color-scheme: dark) {
  :root { --bg: #0b1220; --panel: #111827; --panel-2: #172033; --text: #edf2ff; --muted: #9aa4b2; --line: #293548; --shadow: 0 18px 48px rgba(0,0,0,0.34); }
  body { background: radial-gradient(circle at top left, rgba(21,94,239,0.22), transparent 32rem), var(--bg); }
  .card, .batch, .account, .key-row, .btn.ghost, input, select, textarea { background: var(--panel); }
  .batch-body { background: #0f1728; }
}

.mt-16 { margin-top: 16px; }
.mt-10 { margin-top: 10px; }

.key-xiao { grid-column: 1 / -1; display: grid; gap: 8px; padding-top: 10px; border-top: 1px solid var(--line); }
.key-xiao textarea { min-height: 92px; }

.records-progress { display: grid; gap: 10px; border: 1px solid var(--line); border-radius: 14px; padding: 12px; background: var(--panel); }
.record-list { display: grid; gap: 8px; }
.record-row { display: grid; grid-template-columns: minmax(160px, 1fr) auto auto minmax(120px, 0.8fr); gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--panel-2); }
@media (max-width: 860px) { .record-row { grid-template-columns: 1fr 1fr; } .record-row .account-email { grid-column: 1 / -1; } }