:root {
  color-scheme: dark;
  --bg: #07101f;
  --panel: rgba(13, 27, 48, 0.86);
  --panel-strong: #10213a;
  --border: rgba(148, 163, 184, 0.18);
  --border-strong: rgba(148, 163, 184, 0.3);
  --text: #e9f0fb;
  --muted: #91a5c2;
  --muted-strong: #b6c6dc;
  --accent: #6ee7ff;
  --accent-strong: #22d3ee;
  --violet: #8b5cf6;
  --success: #34d399;
  --danger: #fb7185;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 12% -10%, rgba(34, 211, 238, 0.14), transparent 34%),
    radial-gradient(circle at 90% 0%, rgba(139, 92, 246, 0.15), transparent 28%),
    linear-gradient(160deg, #07101f 0%, #091426 48%, #060d18 100%);
  background-attachment: fixed;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

code {
  color: var(--muted-strong);
  font-family: "Cascadia Code", Consolas, monospace;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

.hidden {
  display: none !important;
}

.auth-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 28px;
}

.auth-card {
  width: min(430px, 100%);
  padding: 30px;
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  background: linear-gradient(155deg, #10213a, #0b172a 72%);
  box-shadow: var(--shadow);
}

.brand-mark {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  margin-bottom: 18px;
  border: 1px solid rgba(110, 231, 255, 0.38);
  border-radius: 18px;
  color: #04111a;
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), #a5f3fc 48%, #c4b5fd);
  box-shadow: 0 12px 36px rgba(34, 211, 238, 0.24);
}

.brand-mark.small {
  width: 48px;
  height: 48px;
  margin: 0;
  border-radius: 15px;
  font-size: 23px;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.22em;
}

.auth-card h1 {
  margin: 0;
  font-size: 28px;
}

.auth-subtitle {
  margin: 9px 0 24px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.auth-note {
  margin: 20px 0 0;
  color: #6d819d;
  font-size: 11px;
  line-height: 1.7;
}

.stack {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 7px;
}

.field > span {
  color: var(--muted-strong);
  font-size: 12px;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  min-height: 41px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: 0;
  color: var(--text);
  background: rgba(5, 13, 25, 0.7);
  transition: border-color 160ms ease;
}

.field textarea {
  resize: vertical;
  line-height: 1.65;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: rgba(110, 231, 255, 0.55);
}

.field input[type="color"] {
  min-width: 58px;
  padding: 5px;
}

.form-row {
  display: flex;
  gap: 12px;
}

.field-grow {
  flex: 1 1 auto;
}

.form-error {
  margin: 0;
  padding: 10px 12px;
  border: 1px solid rgba(251, 113, 133, 0.35);
  border-radius: 9px;
  color: #ffe4e6;
  font-size: 12px;
  background: rgba(251, 113, 133, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 39px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text);
  font-size: 13px;
  font-weight: 650;
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    box-shadow 160ms ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn-primary {
  color: #03131c;
  background: linear-gradient(135deg, var(--accent), #a5f3fc);
  box-shadow: 0 10px 30px rgba(34, 211, 238, 0.2);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--muted-strong);
  background: rgba(15, 30, 52, 0.58);
}

.btn-ghost:hover:not(:disabled) {
  border-color: var(--border-strong);
  color: var(--text);
  background: rgba(20, 41, 69, 0.9);
}

.btn-block {
  width: 100%;
}

.dashboard {
  width: min(1400px, 100%);
  margin: 0 auto;
  padding: 22px 26px 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 13px;
}

.brand h1 {
  margin: 0;
  font-size: 24px;
}

.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 9px;
}

.sync-pill,
.user-pill,
.version-pill {
  display: inline-flex;
  align-items: center;
  min-height: 31px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 11px;
  white-space: nowrap;
}

.sync-online {
  border-color: rgba(52, 211, 153, 0.32);
  color: #a7f3d0;
  background: rgba(52, 211, 153, 0.1);
}

.sync-offline {
  color: var(--muted);
  background: rgba(148, 163, 184, 0.05);
}

.user-pill {
  color: var(--muted-strong);
  background: rgba(148, 163, 184, 0.05);
}

.version-pill {
  color: var(--accent);
  background: rgba(34, 211, 238, 0.08);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(330px, 0.8fr);
  gap: 16px;
  align-items: start;
}

.panel {
  padding: 19px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.14);
}

.editor-panel {
  grid-row: span 2;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 0;
  font-size: 17px;
}

.panel-head p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 11.5px;
}

.preview-shell {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 15px;
  background:
    radial-gradient(circle at 10% -20%, rgba(34, 211, 238, 0.17), transparent 36%),
    linear-gradient(160deg, #07101f, #091426);
}

.preview-topbar {
  padding: 18px 18px 12px;
}

.preview-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.preview-logo {
  display: grid;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 12px;
  color: #04111a;
  font-weight: 800;
  background: linear-gradient(135deg, var(--preview-accent, #6ee7ff), var(--preview-accent2, #8b5cf6));
}

.preview-brand h3 {
  margin: 0;
  font-size: 16px;
}

.preview-brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.preview-announcement {
  margin: 0 18px 10px;
  padding: 9px 11px;
  border: 1px solid rgba(110, 231, 255, 0.24);
  border-radius: 9px;
  color: var(--muted-strong);
  font-size: 10.5px;
  background: rgba(34, 211, 238, 0.08);
}

.preview-announcement.tone-success {
  border-color: rgba(52, 211, 153, 0.3);
  color: #d1fae5;
  background: rgba(52, 211, 153, 0.1);
}

.preview-announcement.tone-warning {
  border-color: rgba(251, 191, 36, 0.3);
  color: #fef3c7;
  background: rgba(251, 191, 36, 0.1);
}

.preview-notice {
  margin: 0 18px;
  padding: 9px 11px;
  border: 1px solid rgba(110, 231, 255, 0.14);
  border-radius: 9px;
  color: var(--muted-strong);
  font-size: 10px;
  line-height: 1.6;
  background: rgba(34, 211, 238, 0.05);
}

.preview-empty {
  padding: 40px 18px 30px;
  text-align: center;
}

.preview-orb {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin: 0 auto 10px;
  border: 1px solid rgba(110, 231, 255, 0.22);
  border-radius: 13px;
  color: var(--preview-accent, #6ee7ff);
  background: rgba(34, 211, 238, 0.08);
}

.preview-empty h4 {
  margin: 0;
  font-size: 13px;
}

.preview-empty p {
  margin: 6px auto 0;
  color: var(--muted);
  font-size: 10px;
  line-height: 1.6;
}

.preview-footer {
  margin: 0;
  padding: 11px 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  color: #6d819d;
  font-size: 9.5px;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}

th,
td {
  padding: 9px 8px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 500;
}

td {
  color: var(--muted-strong);
}

.role-admin {
  color: var(--accent);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 20px;
  z-index: 50;
  max-width: min(420px, calc(100vw - 44px));
  padding: 12px 15px;
  border: 1px solid rgba(52, 211, 153, 0.35);
  border-radius: 11px;
  color: #d1fae5;
  font-size: 12px;
  background: rgba(6, 40, 33, 0.96);
  box-shadow: var(--shadow);
}

.toast-error {
  border-color: rgba(251, 113, 133, 0.42);
  color: #ffe4e6;
  background: rgba(58, 13, 25, 0.96);
}

@media (max-width: 1050px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .editor-panel {
    grid-row: auto;
  }
}

@media (max-width: 700px) {
  .dashboard {
    padding: 16px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-right {
    flex-wrap: wrap;
  }

  .form-row {
    flex-direction: column;
  }
}