:root {
  --bg: #f5f6fb;
  --surface: #ffffff;
  --ink: #161422;
  --muted: #746f8b;
  --line: #e9e7f2;
  --brand: #5b4fd6;
  --brand-2: #8b5cf6;
  --brand-soft: #efedff;
  --ok: #0f9d63;
  --ok-soft: #e7f7ef;
  --bad: #dc2626;
  --bad-soft: #fdecec;
  --warn: #b45309;
  --shadow: 0 24px 60px -34px rgba(43, 32, 100, 0.4);
  --radius: 20px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(139, 92, 246, 0.14), transparent 62%),
    radial-gradient(720px 380px at 92% 0%, rgba(91, 79, 214, 0.12), transparent 60%),
    var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.hidden { display: none !important; }
.wrap { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }

/* ---------------- 顶栏 ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.78);
  border-bottom: 1px solid rgba(233, 231, 242, 0.9);
}

.topbar .wrap {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand .mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 20px -10px rgba(91, 79, 214, 0.9);
}

.nav { display: flex; align-items: center; gap: 8px; }

.nav a {
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  transition: 0.18s ease;
}

.nav a:hover { color: var(--ink); background: rgba(91, 79, 214, 0.08); }
.nav a.active { color: var(--brand); background: var(--brand-soft); }

/* ---------------- 主体 ---------------- */
main.wrap { padding: 46px 0 30px; }

.hero { max-width: 760px; margin: 0 auto 34px; text-align: center; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  color: var(--brand);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
}

.hero h1 {
  margin: 0 0 12px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.25;
  letter-spacing: -0.5px;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #5b4fd6, #8b5cf6 60%, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead { margin: 0; color: var(--muted); font-size: 14px; }

.grid {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 22px;
  align-items: start;
}

/* ---------------- 卡片 ---------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}

.card-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 20px; }

.card-head h2 { margin: 0 0 4px; font-size: 17px; letter-spacing: -0.2px; }
.card-head p { margin: 0; color: var(--muted); font-size: 12.5px; }

.icon-badge {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--brand-soft);
  color: var(--brand);
}

.icon-badge.violet { background: #f4efff; color: #7c3aed; }

.field { margin-bottom: 14px; }
.field label {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.input {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfbfe;
  color: var(--ink);
  outline: none;
  transition: 0.18s ease;
  font-size: 13.5px;
}

.input::placeholder { color: #b3afc4; }
.input:focus {
  border-color: rgba(91, 79, 214, 0.55);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(91, 79, 214, 0.1);
}

.input.mono { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; letter-spacing: 0.6px; }

.row { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-size: 13.5px;
  font-weight: 650;
  cursor: pointer;
  transition: 0.18s ease;
  white-space: nowrap;
}

.btn.primary {
  flex: 1;
  color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 14px 30px -16px rgba(91, 79, 214, 0.9);
}

.btn.primary:hover { transform: translateY(-1px); box-shadow: 0 18px 34px -16px rgba(91, 79, 214, 0.95); }
.btn.primary:active { transform: translateY(0); }

.btn.ghost {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn.ghost:hover { border-color: rgba(91, 79, 214, 0.4); color: var(--brand); background: #fbfaff; }

.btn.small { height: 34px; padding: 0 12px; font-size: 12.5px; border-radius: 9px; }
.btn.block { width: 100%; flex: none; }

.btn:disabled { opacity: 0.62; cursor: not-allowed; transform: none !important; box-shadow: none; }

.btn .spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn.ghost .spinner { border-color: rgba(91, 79, 214, 0.25); border-top-color: var(--brand); }

@keyframes spin { to { transform: rotate(360deg); } }

.hint { margin: 8px 0 0; color: var(--muted); font-size: 12px; }

.status {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 11px;
  font-size: 12.5px;
  display: flex;
  gap: 8px;
  align-items: flex-start;
  line-height: 1.55;
}

.status.ok { background: var(--ok-soft); color: #0a7a4c; }
.status.err { background: var(--bad-soft); color: #b91c1c; }
.status.info { background: #f1f0fb; color: #4c4390; }

/* ---------------- 剩余次数 ---------------- */
.quota {
  margin-top: 16px;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f7f6ff, #f2efff);
  border: 1px solid #e6e1ff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.quota .label { color: #6b6390; font-size: 12px; font-weight: 600; }
.quota .value { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; color: var(--brand); }
.quota .value small { font-size: 12px; font-weight: 600; color: var(--muted); letter-spacing: 0; }
.quota .meta { text-align: right; color: var(--muted); font-size: 11.5px; }
.quota .meta strong { color: var(--ink); font-weight: 650; }

/* ---------------- 账号结果 ---------------- */
.result { margin-top: 18px; }
.result-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 10px;
}
.result-head h3 { margin: 0; font-size: 13px; font-weight: 700; letter-spacing: 0.2px; }

.account-box {
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fcfcff;
}

.kv {
  display: grid;
  grid-template-columns: 96px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.kv:last-child { border-bottom: 0; }
.kv .k { color: var(--muted); font-size: 11.5px; font-weight: 600; }
.kv .v {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  word-break: break-all;
  max-height: 58px;
  overflow: auto;
  line-height: 1.5;
}

.icon-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  height: 26px;
  padding: 0 9px;
  border-radius: 7px;
  font-size: 11.5px;
  cursor: pointer;
  transition: 0.16s;
}

.icon-btn:hover { color: var(--brand); border-color: rgba(91, 79, 214, 0.45); background: #fbfaff; }

/* ---------------- 邮箱接码 ---------------- */
.mail-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin: 2px 0 4px; color: var(--muted); font-size: 12px;
}

.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  background: #f3f1fb;
  color: #5f5790;
  font-size: 11px;
  font-weight: 600;
}

.tag.green { background: var(--ok-soft); color: #0a7a4c; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------------- 最新验证码 ---------------- */
.code-panel {
  margin-top: 16px;
  padding: 16px;
  border-radius: 14px;
  background: linear-gradient(135deg, #f7f6ff, #f1eeff);
  border: 1px solid #e3deff;
  animation: fade-up 0.24s ease both;
}

.code-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.code-big {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 7px;
  color: var(--brand);
  line-height: 1.3;
  word-break: break-all;
}

.code-meta {
  margin: 6px 0 12px;
  color: #6b6590;
  font-size: 11.5px;
  line-height: 1.6;
  word-break: break-all;
}

/* ---------------- 取号记录 ---------------- */
.accounts-list { display: flex; flex-direction: column; gap: 8px; }

.account-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fcfcff;
  overflow: hidden;
}

.account-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 13px;
  cursor: pointer;
  list-style: none;
  font-size: 12.5px;
  font-weight: 600;
}

.account-item summary::-webkit-details-marker { display: none; }
.account-item summary:hover { background: #faf9ff; }
.account-item[open] summary { border-bottom: 1px solid var(--line); }

.account-email { word-break: break-all; }
.account-time { flex: 0 0 auto; color: var(--muted); font-size: 11px; font-weight: 500; }

.account-item .account-box { border: 0; border-radius: 0; background: #fff; }

.empty {
  padding: 26px 16px;
  text-align: center;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  font-size: 12.5px;
  background: #fcfcff;
}

.empty strong { display: block; color: var(--ink); font-size: 13px; margin-bottom: 4px; }

.note-box {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 11px;
  background: #f8f7fd;
  color: #6a6590;
  font-size: 11.5px;
  line-height: 1.65;
}

/* ---------------- 弹层 ---------------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center;
  background: rgba(20, 16, 40, 0.42);
  backdrop-filter: blur(3px);
  padding: 20px;
}

.modal {
  width: min(720px, 100%);
  max-height: 84vh;
  display: flex; flex-direction: column;
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 30px 80px -30px rgba(20, 16, 40, 0.65);
  overflow: hidden;
  animation: fade-up 0.2s ease both;
}

.modal.modal-sm { width: min(400px, 100%); }
.modal-text { margin: 0 0 16px; color: #5f5b73; font-size: 13px; line-height: 1.7; }

.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px; border-bottom: 1px solid var(--line);
}

.modal-head h3 { margin: 0; font-size: 15px; }
.modal-body { padding: 18px; overflow: auto; }
.modal-body pre {
  margin: 0;
  padding: 14px;
  background: #f8f8fd;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 12px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ---------------- 提示 ---------------- */
.toast-wrap {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}

.toast {
  padding: 10px 16px;
  border-radius: 999px;
  background: #1c1830;
  color: #fff;
  font-size: 12.5px;
  box-shadow: 0 16px 36px -18px rgba(20, 16, 40, 0.8);
  animation: fade-up 0.2s ease both;
}

.toast.err { background: #b91c1c; }
.toast.ok { background: #0b7a4d; }

/* ---------------- 管理后台 ---------------- */
.login-shell { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 30px 0; }
.login-card { width: min(400px, 100%); }

.admin-main { padding: 30px 0 46px; }

.admin-title { display: flex; align-items: flex-end; justify-content: space-between; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.admin-title h1 { margin: 0; font-size: 22px; letter-spacing: -0.3px; }
.admin-title p { margin: 4px 0 0; color: var(--muted); font-size: 12.5px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
}

.stat .k { color: var(--muted); font-size: 11.5px; font-weight: 600; }
.stat .v { margin-top: 4px; font-size: 22px; font-weight: 800; letter-spacing: -0.4px; }
.stat .v small { font-size: 11.5px; color: var(--muted); font-weight: 600; }
.stat.brand .v { color: var(--brand); }

.panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 44px -36px rgba(43, 32, 100, 0.45);
  margin-bottom: 18px;
  overflow: hidden;
}

.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.panel-head h2 { margin: 0; font-size: 15px; }
.panel-head p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.panel-body { padding: 18px 20px; }

.form-grid {
  display: grid;
  grid-template-columns: 110px 110px 1fr auto;
  gap: 12px;
  align-items: end;
}

.form-grid .field { margin-bottom: 0; }

.table-scroll { overflow-x: auto; }

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  min-width: 760px;
}

table.data th {
  text-align: left;
  padding: 11px 14px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 650;
  background: #fbfbfe;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.data td {
  padding: 12px 14px;
  border-bottom: 1px solid #f1eff8;
  vertical-align: middle;
}

table.data tr:last-child td { border-bottom: 0; }
table.data tr:hover td { background: #fcfcff; }

.code-cell {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 11.5px;
  letter-spacing: 0.4px;
  word-break: break-all;
  max-width: 300px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 650;
}

.badge.green { background: var(--ok-soft); color: #0a7a4c; }
.badge.gray { background: #f0eff6; color: #6e6a85; }
.badge.red { background: var(--bad-soft); color: #b91c1c; }

.muted { color: var(--muted); }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

.pager {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 12px 20px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 12px;
}

.pager .row { gap: 6px; }

.generated-box {
  margin-top: 16px;
  border: 1px solid #e2dcff;
  background: #faf8ff;
  border-radius: 12px;
  padding: 14px;
}

.generated-box pre {
  margin: 10px 0 0;
  padding: 12px;
  border-radius: 9px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.85;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 220px;
  overflow: auto;
}

.generated-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

.filter-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-row .input { width: 220px; height: 36px; font-size: 12.5px; }
.filter-row select.input { width: 120px; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 960px) {
  .grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-grid .btn { width: 100%; }
}

@media (max-width: 560px) {
  .wrap { width: calc(100% - 28px); }
  main.wrap { padding-top: 28px; }
  .card { padding: 20px; }
  .hero { margin-bottom: 24px; }
  .stats { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 76px 1fr auto; }
  .nav a { padding: 8px 10px; }
  .filter-row .input { width: 100%; }
}