:root {
  --bg: #1a1a1a;
  --card: #222222;
  --border: #2e2e2e;
  --text: #f0f0f0;
  --muted: #9ca3af;
  --accent: #14b8a6;
  --danger: #f87171;
  --ok: #4ade80;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --input-bg: color-mix(in srgb, var(--bg) 70%, #111);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}

.wrap {
  width: min(520px, 100%);
  margin: 0 auto;
  padding: 2.25rem 1.25rem 3rem;
}

.wrap-wide {
  width: min(1120px, 100%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}

.brand-logo {
  width: 22px;
  height: 22px;
  border-radius: 5px;
  flex: 0 0 auto;
}

h1 {
  margin: 0 0 0.4rem;
  font-size: 1.4rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.lead {
  margin: 0 0 1.35rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.25rem 1.1rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

.field {
  margin-bottom: 1rem;
}

.field:last-of-type {
  margin-bottom: 0.35rem;
}

label, .field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  margin: 0 0 0.4rem;
  color: color-mix(in srgb, var(--text) 88%, var(--muted));
}

input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  padding: 0.65rem 0.75rem;
  font: inherit;
  margin: 0;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, textarea:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

/* 浏览器自动填充会强行浅色底，压回暗色主题 */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  caret-color: var(--text);
  box-shadow: 0 0 0 1000px var(--input-bg) inset;
  transition: background-color 99999s ease-out;
}

input:-webkit-autofill:focus,
textarea:-webkit-autofill:focus {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow:
    0 0 0 1000px var(--input-bg) inset,
    0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

textarea {
  min-height: 3.6rem;
  resize: vertical;
}

.hint {
  margin: 0.4rem 0 0;
  font-size: 0.74rem;
  line-height: 1.45;
  color: var(--muted);
}

.source-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.source-chip {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--input-bg);
  color: var(--muted);
  padding: 0.42rem 0.78rem;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 550;
  cursor: pointer;
  line-height: 1.3;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.source-chip:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--foreground, var(--text)) 22%, var(--border));
}

.source-chip[aria-pressed="true"] {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: color-mix(in srgb, var(--accent) 14%, var(--card));
}

.actions {
  display: flex;
  gap: 0.55rem;
  margin-top: 1.1rem;
}

button, .btn {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  padding: 0.55rem 0.85rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, filter 0.15s ease;
}

button.primary, .btn.primary {
  width: 100%;
  background: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 55%, #0f766e);
  color: #042f2e;
  padding: 0.78rem 1.25rem;
  font-size: 0.92rem;
  box-shadow: 0 1px 0 color-mix(in srgb, #fff 14%, transparent) inset;
}

button.primary:hover:not(:disabled), .btn.primary:hover:not(:disabled) {
  filter: brightness(1.06);
}

button.primary:active:not(:disabled), .btn.primary:active:not(:disabled) {
  filter: brightness(0.96);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.msg {
  margin: 0.7rem 0 0;
  font-size: 0.84rem;
  min-height: 0;
}

.msg:empty {
  display: none;
}

.msg.ok { color: var(--ok); }
.msg.err { color: var(--danger); }

.toast-host {
  position: fixed;
  top: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  pointer-events: none;
  max-width: min(92vw, 26rem);
}

.toast {
  pointer-events: auto;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.88rem;
  line-height: 1.4;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.toast.ok {
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border));
}

.toast.err {
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
}

.foot {
  margin-top: 1.35rem;
  font-size: 0.76rem;
  color: var(--muted);
}

.foot a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

/* admin pages still use select / tables */
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text);
  padding: 0.62rem 2rem 0.62rem 0.7rem;
  font: inherit;
  margin-bottom: 0.85rem;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%239ca3af' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
  min-width: 880px;
}

.table-scroll {
  overflow-x: auto;
  margin: 0 -0.15rem;
  padding: 0 0.15rem;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0.45rem;
  text-align: left;
  vertical-align: middle;
}

th { color: var(--muted); font-weight: 600; white-space: nowrap; }

.cell-email {
  white-space: nowrap;
}

.cell-device {
  max-width: 14rem;
  word-break: break-all;
}

.badge {
  display: inline-block;
  padding: 0.14rem 0.45rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: none;
}

.badge.pending { background: #3b2f1a; color: #fbbf24; }
.badge.approved { background: #14352a; color: var(--ok); }
.badge.rejected { background: #3b1a1a; color: var(--danger); }

.col-actions {
  text-align: right;
}

.row-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.4rem;
  white-space: nowrap;
}

.row-actions button {
  width: auto;
  margin: 0;
  padding: 0.38rem 0.65rem;
  font-size: 0.75rem;
}

.row-actions .btn-reject {
  margin-left: 0.55rem;
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, var(--border));
}

.row-actions .btn-reject:hover:not(:disabled) {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border-color: color-mix(in srgb, var(--danger) 60%, var(--border));
}

.days-field {
  display: inline-flex;
  align-items: center;
  margin: 0;
}

.days-field select {
  width: auto;
  min-width: 6.5rem;
  margin: 0;
  padding: 0.38rem 1.7rem 0.38rem 0.5rem;
  font-size: 0.75rem;
  background-position: right 0.45rem center;
  cursor: pointer;
}

.days-field select:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.72rem;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.filters select {
  width: auto;
  margin: 0;
  padding: 0.35rem 1.75rem 0.35rem 0.5rem;
}

.filters {
  flex-wrap: wrap;
  align-items: center;
}

.stats {
  margin: 0;
  margin-right: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.15rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.stats-sep {
  margin: 0 0.15rem;
  color: var(--border);
}

.stats-chip {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  padding: 0.15rem 0.35rem;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1.3;
}

.stats-chip strong {
  color: var(--text);
  font-weight: 600;
}

.stats-chip:hover {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--text);
}

.stats-chip.is-active {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--text);
}

.stats-chip.is-active strong {
  color: var(--accent);
}

@media (max-width: 640px) {
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  table { min-width: 0; }
  tr {
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 0.65rem;
    padding: 0.55rem;
  }
  td {
    border: 0;
    padding: 0.2rem 0;
  }
  td::before {
    content: attr(data-label) ": ";
    color: var(--muted);
    font-weight: 600;
  }
  .cell-device { max-width: none; }
  .col-actions { text-align: left; }
  .row-actions {
    flex-wrap: wrap;
    justify-content: flex-start;
    margin-top: 0.35rem;
  }
  .row-actions .btn-reject {
    margin-left: 0;
  }
}