/* 管理后台：在 C 端 styles.css 变量与组件基础上扩展布局 */

.admin-wrap {
  max-width: 960px;
}

.admin-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  margin-bottom: 1.5rem;
}

.admin-header h1 {
  font-family: var(--font-serif, "Noto Serif SC", serif);
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin: 0;
}

.admin-login-title {
  font-family: var(--font-serif, "Noto Serif SC", serif);
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.12em;
}

.admin-header p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.admin-user-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.admin-nav button {
  padding: 0.45rem 1rem;
  font-size: 0.88rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  box-shadow: none;
}

.admin-nav button:hover:not(:disabled) {
  color: var(--accent);
  background: rgba(52, 78, 110, 0.06);
  transform: none;
  box-shadow: none;
}

.admin-nav button.active {
  color: var(--accent);
  border-color: var(--border);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.admin-view { display: none; }
.admin-view.active { display: block; }

.admin-setup-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: rgba(28, 28, 28, 0.42);
  backdrop-filter: blur(4px);
}

.admin-setup-modal[hidden] {
  display: none;
}

.admin-setup-card {
  width: min(100%, 440px);
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 6px;
  box-shadow: 0 18px 60px rgba(28, 28, 28, 0.2);
  padding: 1.75rem;
}

.admin-setup-card h2 {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-size: 1.15rem;
}

.admin-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
}

.admin-stat {
  background: linear-gradient(135deg, rgba(52,78,110,0.06), rgba(154,123,79,0.06));
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
  text-align: center;
}

.admin-stat .num {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-serif, "Noto Serif SC", serif);
}

.admin-stat .lbl {
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.color-month-row {
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 0.75rem;
  background: #fff;
  overflow: hidden;
}

.color-month-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  user-select: none;
}

.color-month-head:hover { background: rgba(52, 78, 110, 0.04); }

.color-swatch-sm {
  width: 40px;
  height: 40px;
  border-radius: 2px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.color-month-body {
  display: none;
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--border);
}

.color-month-row.open .color-month-body { display: block; }

.derived-colors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 0.75rem 0 1rem;
}

@media (max-width: 600px) { .derived-colors { grid-template-columns: 1fr; } }

.derived-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.pattern-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.pattern-tabs button {
  padding: 0.4rem 0.9rem;
  font-size: 0.85rem;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  box-shadow: none;
}

.pattern-tabs button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.pattern-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.pattern-table th,
.pattern-table td {
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.pattern-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.8rem;
}

.pattern-thumb {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 2px;
}

.pattern-thumb-preview {
  cursor: zoom-in;
  transition: box-shadow 0.15s, border-color 0.15s;
}

.pattern-thumb-preview:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(52, 78, 110, 0.18);
}

.pattern-images-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-start;
}

.pattern-image-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.2rem;
  max-width: 56px;
}

.pattern-image-label {
  font-size: 0.68rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.2;
  word-break: keep-all;
}

.pattern-preview-float {
  position: fixed;
  z-index: 200;
  pointer-events: none;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-radius: 4px;
  padding: 4px;
  max-width: min(420px, 88vw);
}

.pattern-preview-float img {
  display: block;
  max-width: min(412px, calc(88vw - 8px));
  max-height: min(412px, 65vh);
  object-fit: contain;
}

.pattern-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.pattern-preview-modal[hidden] {
  display: none !important;
}

.pattern-preview-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.pattern-preview-modal-body {
  position: relative;
  z-index: 1;
  max-width: min(92vw, 760px);
  max-height: 92vh;
  border-radius: 4px;
  padding: 0.75rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.pattern-preview-modal-body img {
  display: block;
  max-width: 100%;
  max-height: calc(92vh - 2.5rem);
  object-fit: contain;
  margin: 0 auto;
}

.pattern-preview-close {
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: none;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: none;
}

.pattern-preview-close:hover {
  color: var(--accent);
  background: #fff;
  transform: none;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  font-size: 0.75rem;
}

.badge-on { background: rgba(52,78,110,0.12); color: var(--accent); }
.badge-off { background: rgba(92,90,86,0.12); color: var(--muted); }

.pattern-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.dash-pattern-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.dash-pattern-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.dash-pattern-img {
  width: 100%;
  max-width: 140px;
  height: 120px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: #fff;
  cursor: zoom-in;
}

.dash-pattern-name {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  line-height: 1.3;
  word-break: break-all;
}

.dash-pattern-empty {
  margin: 1rem 0 0;
  text-align: center;
}

.btn-delete-pattern {
  color: #8b2020;
}

.btn-delete-pattern:hover:not(:disabled) {
  color: #fff;
  background: #8b2020;
  border-color: #8b2020;
}

.admin-form-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

#uploadName::placeholder {
  color: #9a9a9a;
  opacity: 1;
}

.admin-form-grid textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  min-height: 100px;
  resize: vertical;
}

.rgb-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
}

.rgb-row input[type="number"] { width: 72px; }
.rgb-row input[type="color"] {
  width: 48px;
  height: 38px;
  padding: 2px;
  cursor: pointer;
}

.toast-admin {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 0.65rem 1.25rem;
  border-radius: 4px;
  font-size: 0.9rem;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.toast-admin.show { opacity: 0.95; }

.err-banner {
  background: rgba(180, 40, 40, 0.08);
  border: 1px solid rgba(180, 40, 40, 0.25);
  color: #8b2020;
  padding: 0.65rem 0.85rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.login-card {
  max-width: 400px;
  margin: 2rem auto 0;
}

.login-card h2 { text-align: center; border: none; padding-bottom: 0; }

.hint-box {
  font-size: 0.82rem;
  color: var(--muted);
  background: rgba(154, 123, 79, 0.08);
  border-left: 3px solid var(--gold);
  padding: 0.65rem 0.85rem;
  margin-top: 1rem;
  border-radius: 0 4px 4px 0;
}

.admin-advanced {
  margin-top: 0.75rem;
}

.admin-advanced summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
}

.admin-advanced .rgb-row {
  margin-top: 0.5rem;
}

.admin-advanced label {
  display: block;
  margin-top: 0.75rem;
}

#editColorPicker {
  display: block;
  width: 3rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
}