:root {
  --bg: #0b0e16;
  --bg-elev: #141a27;
  --bg-elev2: #1b2333;
  --line: #26304a;
  --text: #e8edf7;
  --muted: #8a97b4;
  --primary: #5b8cff;
  --primary-2: #7c5cff;
  --green: #2fd58a;
  --amber: #ffb454;
  --red: #ff6b7d;
  --radius: 16px;
  --shadow: 0 10px 40px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0 32px 64px;
}

.aurora {
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 50% at 15% 0%, rgba(91, 140, 255, .18), transparent 70%),
    radial-gradient(50% 40% at 90% 10%, rgba(124, 92, 255, .16), transparent 70%),
    radial-gradient(40% 40% at 50% 100%, rgba(47, 213, 138, .08), transparent 70%);
  pointer-events: none;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 28px 0 24px;
}
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.brand { display: flex; align-items: center; gap: 16px; }
.logo {
  width: 52px; height: 52px; display: grid; place-items: center;
  font-size: 26px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 8px 24px rgba(91, 140, 255, .4);
}
.brand h1 { font-size: 22px; font-weight: 800; letter-spacing: -.4px; }
.brand .sub { font-size: 13px; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
  border: none; cursor: pointer; font-family: inherit; font-weight: 600;
  font-size: 14px; padding: 11px 18px; border-radius: 12px;
  transition: transform .12s ease, box-shadow .2s ease, background .2s;
  color: #fff;
  display: inline-flex; align-items: center; gap: 6px; text-decoration: none; white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); box-shadow: 0 8px 22px rgba(91, 140, 255, .35); }
.btn.primary:hover { box-shadow: 0 10px 28px rgba(91, 140, 255, .5); }
.btn.ghost { background: var(--bg-elev2); color: var(--text); }
.btn.ghost:hover { background: var(--line); }
.btn.green { background: linear-gradient(135deg, #25c07a, #2fd58a); }
.btn.danger { background: linear-gradient(135deg, #e6586a, #ff6b7d); }
.btn.small { padding: 8px 14px; font-size: 13px; }
.btn.large { padding: 15px 30px; font-size: 16px; border-radius: 14px; font-weight: 700; }
.icon-btn { background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }
.icon-btn:hover { color: var(--text); }

/* ---------- Dashboard ---------- */
.dashboard {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 26px;
}
.stat-card {
  background: linear-gradient(160deg, var(--bg-elev), var(--bg-elev2));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; display: flex; flex-direction: column; gap: 6px;
  position: relative; overflow: hidden;
}
.stat-card::after {
  content: ''; position: absolute; right: -30px; top: -30px;
  width: 120px; height: 120px; border-radius: 50%; opacity: .14;
}
.stat-card.revenue::after { background: var(--primary); }
.stat-card.profit::after { background: var(--green); }
.stat-card.cost::after { background: var(--amber); }
.stat-card.count::after { background: var(--primary-2); }
.stat-card .label { font-size: 13px; color: var(--muted); }
.stat-card .value { font-size: 30px; font-weight: 800; letter-spacing: -.5px; }
.stat-card.profit .value { color: var(--green); }
.stat-card .meta { font-size: 12px; color: var(--muted); }

/* ---------- Toolbar ---------- */
.toolbar { margin-bottom: 20px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.search { display: flex; gap: 10px; flex: 1; min-width: 280px; max-width: 560px; }
.sort { display: flex; align-items: center; gap: 8px; }
.sort-label { color: var(--muted); font-size: 13px; }
.sort select {
  background: var(--bg-elev); border: 1px solid var(--line); color: var(--text);
  padding: 12px 14px; border-radius: 12px; font-family: inherit; font-size: 14px;
}
.sort select:focus { outline: none; border-color: var(--primary); }
.search input, .search select {
  background: var(--bg-elev); border: 1px solid var(--line); color: var(--text);
  padding: 12px 14px; border-radius: 12px; font-family: inherit; font-size: 14px;
}
.search input { flex: 1; }
.search input:focus, .search select:focus { outline: none; border-color: var(--primary); }

/* ---------- Grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.card {
  background: linear-gradient(160deg, var(--bg-elev), var(--bg-elev2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  cursor: pointer; transition: transform .15s, border-color .2s, box-shadow .2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--primary); box-shadow: var(--shadow); }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 14px; }
.card-domain { font-size: 17px; font-weight: 700; }
.card-domain .pfx { color: var(--primary); }
.card-user { font-size: 13px; color: var(--muted); margin-top: 2px; }
.badge { font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 20px; white-space: nowrap; }
.badge.ok { background: rgba(47, 213, 138, .15); color: var(--green); }
.badge.warn { background: rgba(255, 180, 84, .15); color: var(--amber); }
.badge.exp { background: rgba(255, 107, 125, .15); color: var(--red); }
.card-specs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip { font-size: 12px; background: var(--bg); border: 1px solid var(--line); padding: 5px 10px; border-radius: 8px; color: var(--muted); }
.card-foot { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); padding-top: 12px; }
.card-price { font-size: 18px; font-weight: 700; }
.card-profit { font-size: 12px; color: var(--green); }
.card-order { font-size: 12px; color: var(--muted); }
/* 到期剩余天数（替代订单号），按紧迫度配色 */
.card-days { font-size: 15px; font-weight: 700; padding: 6px 12px; border-radius: 10px; white-space: nowrap; }
.card-days.dl-green { background: rgba(47, 213, 138, .15); color: var(--green); }
.card-days.dl-amber { background: rgba(255, 180, 84, .15); color: var(--amber); }
.card-days.dl-red { background: rgba(255, 107, 125, .15); color: var(--red); }

.empty { text-align: center; color: var(--muted); padding: 60px; font-size: 15px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(5, 8, 15, .7); backdrop-filter: blur(6px);
  display: grid; place-items: center; z-index: 50; padding: 24px; animation: fade .2s;
}
/* `hidden` 属性需显式覆盖上面的 display:grid，否则遮罩永远可见 */
.modal-backdrop[hidden] { display: none; }
@keyframes fade { from { opacity: 0; } }
.modal {
  background: var(--bg-elev); border: 1px solid var(--line); border-radius: 20px;
  width: 100%; max-width: 620px; max-height: 90vh; overflow: hidden; box-shadow: var(--shadow);
  animation: pop .22s cubic-bezier(.2, .9, .3, 1.2);
  display: flex; flex-direction: column;
}
.modal.large { max-width: 760px; }
@keyframes pop { from { transform: scale(.96) translateY(8px); opacity: 0; } }
/* 标题固定不滚动；滚动条只出现在下方内容区 */
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 22px 24px; border-bottom: 1px solid var(--line); background: var(--bg-elev); flex-shrink: 0; }
.modal-head h2 { font-size: 18px; font-weight: 700; }

/* ---------- Forms ---------- */
.form-grid { padding: 22px 24px; overflow-y: auto; flex: 1; min-height: 0; }
fieldset { border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 16px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
legend { padding: 0 8px; font-size: 13px; color: var(--muted); font-weight: 600; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
label.span2 { grid-column: span 2; }
input, select, textarea {
  background: var(--bg); border: 1px solid var(--line); color: var(--text);
  padding: 10px 12px; border-radius: 10px; font-family: inherit; font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); }
.domain-input { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.domain-input input { border: none; background: none; flex: 1; }
.domain-input .suffix { padding: 0 12px; color: var(--muted); font-size: 14px; border-left: 1px solid var(--line); }

/* ---------- Calculator ---------- */
.calculator {
  display: flex; gap: 30px; padding: 16px 20px; border-radius: 14px; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(91, 140, 255, .12), rgba(47, 213, 138, .1));
  border: 1px solid var(--line);
}
.calculator > div { display: flex; flex-direction: column; gap: 2px; }
.c-label { font-size: 12px; color: var(--muted); }
.c-value { font-size: 22px; font-weight: 800; color: var(--green); }
.c-value.neg { color: var(--red); }

.modal-foot { display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- 管理页（整页视图） ---------- */
.detail-page { padding: 8px 0 40px; }
.detail-topbar { display: flex; align-items: center; gap: 16px; margin-bottom: 8px; }
.detail-topbar .dt-title { flex: 1; font-size: 22px; font-weight: 800; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.detail-topbar .dt-title .pfx { color: var(--primary); }
.dt-sub { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
.detail-metrics { margin-bottom: 22px; }
.detail-metrics .value.warn { color: var(--amber); }
.detail-metrics .value.exp { color: var(--red); }
/* 记录类型标签 */
.rtag { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 20px; }
.rtag.srv { background: rgba(91, 140, 255, .16); color: var(--primary); }
.rtag.a { background: rgba(124, 92, 255, .16); color: var(--primary-2); }

/* ---------- Detail panel ---------- */
.detail-body { padding: 22px 24px; overflow-y: auto; flex: 1; min-height: 0; }
.detail-hero { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.detail-hero .dh-domain { font-size: 22px; font-weight: 800; }
.detail-hero .dh-domain .pfx { color: var(--primary); }
.detail-section { margin-bottom: 18px; }
.detail-section h3 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 10px; }
.kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kv { display: flex; flex-direction: column; gap: 5px; }
.kv span { font-size: 12px; color: var(--muted); }
.kv input, .kv select { width: 100%; }
.actions-row { display: flex; gap: 10px; flex-wrap: wrap; padding-top: 22px; border-top: 1px solid var(--line); margin-top: 8px; }
.actions-row .spacer { flex: 1; }
.actions-row.centered { justify-content: center; gap: 16px; }

.tx-list { display: flex; flex-direction: column; gap: 8px; }
.tx-item { display: flex; justify-content: space-between; align-items: center; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font-size: 13px; }
.tx-kind { font-weight: 600; }
.tx-kind.creation { color: var(--primary); }
.tx-kind.renewal { color: var(--green); }
.tx-meta { color: var(--muted); font-size: 12px; }

/* 进账记录触发面板（点击展开 modal） */
.tx-open-card {
  width: 100%; margin-top: 28px; cursor: pointer; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  background: linear-gradient(135deg, rgba(91, 140, 255, .1), rgba(47, 213, 138, .08));
  border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px;
  color: var(--text); font-family: inherit;
  transition: transform .15s, border-color .2s, box-shadow .2s;
}
.tx-open-card:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: var(--shadow); }
.tx-open-info { display: flex; flex-direction: column; gap: 4px; }
.tx-open-title { font-size: 16px; font-weight: 700; }
.tx-open-sub { font-size: 13px; color: var(--muted); }
.tx-open-arrow { font-size: 14px; color: var(--primary); font-weight: 600; }

/* 进账记录 modal 内容 */
.txm-summary {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(91, 140, 255, .12), rgba(47, 213, 138, .1));
  border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px;
}
.txm-summary > div { display: flex; flex-direction: column; gap: 4px; }
.txm-list { display: flex; flex-direction: column; gap: 12px; }
.txm-item {
  display: flex; align-items: center; gap: 14px;
  background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px;
  border-left: 3px solid var(--line);
}
.txm-item.creation { border-left-color: var(--primary); }
.txm-item.renewal { border-left-color: var(--green); }
.txm-icon {
  width: 42px; height: 42px; flex-shrink: 0; display: grid; place-items: center;
  font-size: 20px; border-radius: 12px; background: var(--bg-elev2);
}
.txm-main { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.txm-kind { font-size: 15px; font-weight: 700; }
.txm-date { font-size: 12px; color: var(--muted); }
.txm-amounts { text-align: right; display: flex; flex-direction: column; gap: 3px; }
.txm-amount { font-size: 18px; font-weight: 800; }
.txm-meta { font-size: 12px; color: var(--muted); }

.renew-box { background: var(--bg); border: 1px dashed var(--line); border-radius: 12px; padding: 16px; display: none; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 10px; }
.renew-box.open { display: grid; }
.renew-box .span3 { grid-column: span 3; display: flex; justify-content: flex-end; gap: 10px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elev2); border: 1px solid var(--line); color: var(--text);
  padding: 14px 22px; border-radius: 12px; box-shadow: var(--shadow); z-index: 100;
  font-size: 14px; animation: slideup .25s;
}
.toast.err { border-color: var(--red); }
.toast.ok { border-color: var(--green); }
@keyframes slideup { from { transform: translate(-50%, 20px); opacity: 0; } }

/* ---------- 登录页 ---------- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 100%; max-width: 380px;
  background: linear-gradient(160deg, var(--bg-elev), var(--bg-elev2));
  border: 1px solid var(--line); border-radius: 20px; padding: 34px 30px;
  box-shadow: var(--shadow);
}
.login-card .login-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.login-card .login-brand h1 { font-size: 19px; font-weight: 800; letter-spacing: -.4px; }
.login-card .login-brand .sub { font-size: 12px; color: var(--muted); }
.login-card form { display: flex; flex-direction: column; gap: 14px; }
.login-card label { gap: 7px; }
.login-card .btn { margin-top: 6px; width: 100%; justify-content: center; padding: 13px; }
.login-error { color: var(--red); font-size: 13px; min-height: 18px; }

@media (max-width: 880px) {
  body { padding: 0 16px 48px; }
  .dashboard { grid-template-columns: repeat(2, 1fr); }
  fieldset, .kv-grid { grid-template-columns: 1fr; }
}