:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --ink: #202938;
  --muted: #657084;
  --line: #dce3ec;
  --primary: #155da8;
  --primary-dark: #0d467e;
  --ok: #13845f;
  --bad: #b42318;
  --warn: #a86400;
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); }
button, input, select, textarea { font: inherit; }
button { border: 0; background: var(--primary); color: #fff; border-radius: 6px; padding: 10px 14px; cursor: pointer; white-space: nowrap; }
button:hover { background: var(--primary-dark); }
button.secondary { background: #e8eef7; color: var(--ink); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
button.danger { background: var(--bad); }
button.small { padding: 6px 9px; font-size: 13px; }
input, select, textarea { border: 1px solid var(--line); border-radius: 6px; padding: 10px 11px; background: #fff; color: var(--ink); min-width: 0; }
textarea { line-height: 1.55; }
label { display: grid; gap: 6px; color: var(--muted); }
code { color: var(--primary); font-weight: 700; }
.hidden { display: none !important; }
.message { color: var(--bad); min-height: 22px; }
.hint { color: var(--muted); margin: 0 0 12px; }

.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg, #f8fafc, #e8f2f1); }
.login-panel { width: min(430px, 100%); display: grid; gap: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 28px; box-shadow: 0 20px 60px rgba(31,41,55,.12); }
.login-panel h1 { margin: 0; font-size: 30px; letter-spacing: 0; }
.login-panel p { margin: 8px 0 0; color: var(--muted); }
.eyebrow { margin: 0 0 8px !important; color: var(--primary) !important; font-weight: 700; }

.app { min-height: 100vh; display: grid; grid-template-columns: 244px 1fr; }
.sidebar { background: #1a2435; color: #fff; padding: 20px; display: flex; flex-direction: column; gap: 22px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand span { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 8px; background: #2474c6; font-weight: 800; }
.brand small { display: block; color: #aeb8ca; margin-top: 4px; }
nav { display: grid; gap: 8px; }
nav button { text-align: left; background: transparent; color: #d8deea; }
nav button.active, nav button:hover { background: #2a374d; }
.sidebar .ghost { margin-top: auto; border-color: #3b465b; color: #d8deea; }

.content { padding: 24px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 20px; }
.topbar h2 { margin: 0 0 5px; font-size: 26px; letter-spacing: 0; }
.topbar p { margin: 0; color: var(--muted); }
.tab { display: none; }
.tab.active { display: grid; gap: 16px; }
.stats { display: grid; grid-template-columns: repeat(5, minmax(132px, 1fr)); gap: 14px; }
.stat, .panel, .table-wrap, .key-output { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; }
.stat { padding: 18px; }
.stat strong { display: block; font-size: 30px; margin-top: 8px; letter-spacing: 0; }
.stat span { color: var(--muted); }
.panel { padding: 14px; display: grid; gap: 12px; }
.panel h3 { margin: 0; font-size: 17px; letter-spacing: 0; }

.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.flow span { border: 1px solid var(--line); background: #f8fafc; border-radius: 6px; padding: 12px; text-align: center; color: var(--ink); }

.form-grid { display: grid; gap: 10px; align-items: center; }
.license-grid { grid-template-columns: 1.5fr 1.5fr 1fr .8fr .9fr 1fr 1.4fr .9fr; }
.software-grid { grid-template-columns: repeat(4, minmax(130px, 1fr)); }
.software-grid > .settings { grid-column: 1 / -1; border: 1px solid var(--line); border-radius: 6px; padding: 10px; }
.software-grid > .settings summary { cursor: pointer; font-weight: 700; color: var(--ink); }
.settings-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.software-grid > .primary-action { grid-column: span 2; }
.template-grid { grid-template-columns: 1.2fr 1fr .8fr 1fr .8fr .8fr .7fr .9fr .9fr; }
.agent-grid { grid-template-columns: 1fr 1fr 1fr .7fr .8fr; }
.permission-grid { grid-template-columns: 1.2fr 1.2fr 1.4fr .8fr .8fr .9fr; }
.software-multi { grid-row: span 2; }
.software-multi select { min-height: 128px; }
.transfer-list { grid-column: span 3; display: grid; grid-template-columns: 1fr auto 1fr; gap: 10px; align-items: center; }
.transfer-list select { min-height: 145px; }
.transfer-actions { display: grid; gap: 8px; }
.protector-grid { grid-template-columns: 1.2fr 1.4fr 1.6fr 1.4fr 1.4fr .9fr; }
.filters { display: grid; grid-template-columns: 2fr 1.2fr 1.1fr 1fr 1fr .8fr .8fr; gap: 10px; align-items: center; }
.form-grid button, .filters button { min-height: 42px; }
.check { display: flex; align-items: center; gap: 7px; color: var(--ink); white-space: nowrap; }
.check input { width: auto; }
.key-output { width: 100%; min-height: 84px; resize: vertical; padding: 10px 11px; }
.table-wrap { overflow: auto; }
table { border-collapse: collapse; width: 100%; min-width: 980px; background: #fff; }
th, td { border-bottom: 1px solid var(--line); padding: 11px 10px; text-align: left; vertical-align: middle; font-size: 14px; }
th { color: var(--muted); background: #f8fafc; font-weight: 700; }
.pill { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 999px; font-size: 12px; background: #edf2f7; color: var(--muted); }
.pill.ok { background: #e6f6ef; color: var(--ok); }
.pill.bad { background: #ffebe9; color: var(--bad); }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.toast { position: fixed; right: 20px; bottom: 20px; background: #111827; color: #fff; padding: 12px 14px; border-radius: 8px; box-shadow: 0 16px 40px rgba(0,0,0,.18); z-index: 10; }
.balance-number { font-size: 30px; font-weight: 700; color: var(--primary); padding: 6px 0 12px; }
.cost-info { color: var(--primary); font-weight: 700; align-self: end; white-space: nowrap; }
.hint { white-space: pre-line; }
.time-api-result { grid-column: 1 / -1; min-height: 20px; }
.time-api-custom { grid-column: span 2; }
.time-api-custom textarea::placeholder { color: #9aa5b5; text-align: left; }
.maintenance-row { display: flex; align-items: end; gap: 12px; flex-wrap: wrap; }
.maintenance-row > label { min-width: min(360px, 100%); flex: 1; }
.maintenance-row select { min-height: 132px; }
.software-maintenance { border-color: #e8c7c1; }
.backup-row { border-top: 1px solid var(--line); padding-top: 12px; }
.backup-row > label { flex: 0 1 auto; min-width: 260px; }
.file-control input { background: #f8fafc; }
.agent-transfer { grid-template-columns: 1.4fr 1fr 1.4fr auto; border-top: 1px solid var(--line); padding-top: 12px; }
.extend-dialog { border: 1px solid var(--line); border-radius: 8px; padding: 0; box-shadow: 0 20px 55px rgba(15, 23, 42, .25); width: min(420px, calc(100vw - 32px)); }
.extend-dialog::backdrop { background: rgba(15, 23, 42, .42); }
.extend-form { display: grid; gap: 13px; padding: 20px; }
.extend-form h3, .extend-form p { margin: 0; }
.extend-form label { display: grid; gap: 6px; color: var(--muted); }
.extend-form .actions { justify-content: flex-end; margin-top: 4px; }

@media (max-width: 1180px) {
  .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .license-grid, .software-grid, .template-grid, .agent-grid, .permission-grid, .protector-grid, .filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 920px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: sticky; top: 0; z-index: 3; padding: 12px; gap: 12px; }
  .brand { justify-content: space-between; }
  nav { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  nav button { text-align: center; padding: 9px 6px; }
  .sidebar .ghost { margin-top: 0; }
  .content { padding: 16px; }
  .topbar { align-items: flex-start; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .license-grid, .software-grid, .template-grid, .agent-grid, .permission-grid, .protector-grid, .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .login-panel { padding: 22px; }
  .topbar { display: grid; }
  nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .stats, .license-grid, .software-grid, .template-grid, .agent-grid, .permission-grid, .protector-grid, .filters, .flow { grid-template-columns: 1fr; }
  table { min-width: 820px; }
}