:root {
  color-scheme: light;
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --bg-start: #fbf6ef;
  --bg-end: #f1e3d2;
  --card-bg: rgba(255, 255, 255, 0.82);
  --text-main: #2f241b;
  --text-soft: #7f6a57;
  --line: rgba(120, 88, 49, 0.12);
  --primary: #b87427;
  --primary-dark: #935912;
  --error: #cf4b40;
  --success: #2d8f5b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(255, 221, 177, 0.65), transparent 30%),
    radial-gradient(circle at bottom right, rgba(252, 242, 229, 0.9), transparent 36%),
    linear-gradient(180deg, var(--bg-start), var(--bg-end));
}

.auth-body,
.dashboard-body {
  display: grid;
  place-items: center;
  padding: 32px 16px;
}

.auth-layout,
.dashboard-layout {
  width: min(100%, 520px);
}

.auth-panel,
.dashboard-card {
  padding: 32px;
  border-radius: 28px;
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(104, 71, 35, 0.14);
}

.auth-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(184, 116, 39, 0.12);
  color: var(--primary-dark);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 18px 0 10px;
  font-size: 32px;
}

.auth-subtitle,
.auth-tip {
  margin: 0;
  line-height: 1.7;
  color: var(--text-soft);
}

.auth-form {
  margin-top: 22px;
  display: grid;
  gap: 18px;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(143, 111, 74, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  font: inherit;
}

input:focus {
  outline: 3px solid rgba(184, 116, 39, 0.16);
  border-color: rgba(184, 116, 39, 0.4);
}

.code-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 148px;
  gap: 12px;
}

.primary-button,
.secondary-button {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #d09245);
}

.secondary-button {
  color: var(--primary-dark);
  background: rgba(184, 116, 39, 0.12);
}

.secondary-button:disabled {
  cursor: not-allowed;
  opacity: 0.7;
}

.full-width {
  width: 100%;
}

.auth-message {
  min-height: 24px;
  margin-top: 18px;
  font-weight: 600;
}

.auth-message[data-tone='error'] {
  color: var(--error);
}

.auth-message[data-tone='success'] {
  color: var(--success);
}

.stat-grid {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

.stat-card {
  padding: 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
}

.stat-label {
  display: block;
  margin-bottom: 10px;
  color: var(--text-soft);
}

.stat-value {
  font-size: 28px;
}

@media (max-width: 560px) {
  .auth-panel,
  .dashboard-card {
    padding: 24px;
    border-radius: 22px;
  }

  .code-row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 28px;
  }
}

/* ── Admin Dashboard ─────────────────────────────── */

.admin-body {
  margin: 0;
  min-height: 100vh;
  color: var(--text-main);
  background: #f7f4f0;
}

.admin-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
}

.admin-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.admin-header-inner h2 {
  margin: 0;
  font-size: 20px;
  color: var(--text-main);
}

.admin-header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(184, 116, 39, 0.12);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
}

.admin-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Version Card */

.version-card {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--line);
  padding: 20px 24px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.version-card-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.version-label {
  font-weight: 600;
  color: var(--text-soft);
  font-size: 14px;
}

.version-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
  background: rgba(184, 116, 39, 0.08);
  padding: 2px 14px;
  border-radius: 8px;
  font-family: 'SF Mono', 'Consolas', monospace;
}

.version-card-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.upload-form-inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-file-label {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border: 1px solid rgba(143, 111, 74, 0.25);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-soft);
  white-space: nowrap;
  transition: border-color 0.15s;
}

.upload-file-label:hover {
  border-color: rgba(184, 116, 39, 0.4);
}

.upload-file-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.upload-form-inline .primary-button {
  width: auto;
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 12px;
}

.admin-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.admin-count {
  color: var(--text-soft);
  font-weight: 600;
}

.admin-table-wrap {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--line);
  overflow-x: auto;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  padding: 14px 16px;
  background: #faf8f5;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}

.admin-table td {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
  white-space: nowrap;
}

.admin-table tr:hover td {
  background: #fdfaf6;
}

.admin-row--inactive td {
  opacity: 0.55;
}

.admin-loading {
  text-align: center;
  color: var(--text-soft);
  padding: 32px 16px !important;
}

.admin-empty {
  text-align: center;
  color: #b19b88;
  padding: 48px 16px !important;
  font-size: 14px;
}

.admin-status {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.admin-status--active {
  background: rgba(45, 143, 91, 0.12);
  color: var(--success);
}

.admin-status--inactive {
  background: rgba(207, 75, 64, 0.10);
  color: var(--error);
}

.admin-actions {
  display: flex;
  gap: 6px;
}

.action-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  background: #fff;
  color: var(--text-main);
  transition: background 0.15s;
}

.action-btn:hover {
  background: #f5f0e8;
}

.action-btn--toggle {
  color: var(--primary-dark);
}

.action-btn--extend {
  color: var(--success);
}

.action-btn--delete {
  color: var(--error);
}

/* ── Toast ───────────────────────────────────────── */

.admin-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  color: #fff;
  background: var(--text-main);
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
  z-index: 1000;
}

.admin-toast--visible {
  opacity: 1;
  transform: translateY(0);
}

.admin-toast[data-tone='error'] {
  background: var(--error);
}

.admin-toast[data-tone='success'] {
  background: var(--success);
}

/* ── Expiry edit ──────────────────────────────── */

.admin-expiry-cell {
  cursor: pointer;
  transition: background 0.15s;
}

.admin-expiry-cell:hover {
  background: rgba(184, 116, 39, 0.06);
  border-radius: 6px;
}

.expiry-edit-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.expiry-input {
  width: 190px;
  padding: 5px 8px;
  border: 1px solid rgba(143, 111, 74, 0.25);
  border-radius: 8px;
  font: inherit;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.95);
}

.expiry-input:focus {
  outline: 2px solid rgba(184, 116, 39, 0.18);
  border-color: rgba(184, 116, 39, 0.5);
}