/* ── Admin sidebar toggle ── */

.admin-toggle {
  width: 100%;
}
.admin-toggle .chevron {
  display: inline;
  width: auto;
  height: auto;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font-size: 10px;
  font-weight: normal;
  opacity: 0.5;
  margin-left: auto;
}

/* ── Paper Manager ── */

.paper-upload-zone {
  margin: 20px 0 24px;
  border: 2px dashed #bcd4ea;
  border-radius: 14px;
  background: #f8fcff;
  transition: border-color 0.2s, background 0.2s;
}
.paper-upload-zone:hover {
  border-color: var(--primary);
  background: #f0f7ff;
}
.paper-upload-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 32px 20px 24px;
}
.paper-upload-icon { font-size: 36px; margin: 0; }
.paper-upload-label { font-size: 14px; font-weight: 600; color: var(--text); margin: 0; }
.paper-upload-hint { font-size: 12px; color: var(--muted); margin: 0; }
.paper-upload-zone .save-tip {
  display: block;
  text-align: center;
  padding: 0 20px 16px;
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
}

.paper-list-section {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.paper-list-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: #f8fcff;
  border-bottom: 1px solid var(--line);
}
.paper-list-head h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.paper-list-head h3 span {
  font-weight: 400;
  font-size: 12px;
  color: var(--muted);
}
.paper-list-filters {
  display: flex;
  gap: 8px;
  align-items: center;
}
.paper-list-filters select,
.paper-list-filters input {
  height: 30px;
  padding: 0 8px;
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.paper-list-filters select { min-width: 120px; }
.paper-list-filters input { min-width: 160px; }
.paper-list-filters button { min-width: auto; height: 30px; padding: 0 12px; font-size: 12px; }

.paper-pipeline {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.paper-pipeline-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: #f8fcff;
  border-bottom: 1px solid var(--line);
}
.paper-pipeline-head h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin: 0;
}
.paper-pipeline-head h4 span { color: var(--primary); }
.paper-pipeline .task-log { margin: 0; border: 0; border-radius: 0; }

.paper-detail-row {
  margin-top: 20px;
}
.paper-detail-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fafdff;
  padding: 24px 28px;
}
.paper-detail-card h4 {
  font-size: 18px;
  color: var(--text);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.paper-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}
.paper-detail-field {
  font-size: 13px;
  color: var(--text);
  line-height: 1.6;
}
.paper-detail-field span {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 2px;
}
.paper-detail-field ul {
  margin: 4px 0 0 18px;
  padding: 0;
  color: var(--text);
}
.paper-detail-card .ghost { margin-top: 12px; min-width: auto; }

/* ── License admin sections ── */

.license-admin-section {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 2px solid var(--line);
}
.license-admin-section h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 8px;
}
.license-generate-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-top: 12px;
}
.license-generate-form .field {
  min-width: 180px;
}
.license-generate-form .primary {
  height: 46px;
  align-self: flex-end;
}
.generated-code {
  margin-top: 16px;
  padding: 16px 20px;
  background: #f0fdf4;
  border: 1px solid #86efac;
  border-radius: 12px;
}
.generated-code-label {
  font-size: 12px;
  font-weight: 700;
  color: #166534;
  margin-bottom: 6px;
}
.generated-code code {
  display: block;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 13px;
  word-break: break-all;
  color: var(--text);
}

/* ── Admin analytics ── */

.admin-analytics-controls,
.admin-user-search {
  display: flex;
  align-items: center;
  gap: 8px;
}
.admin-analytics-controls select,
.admin-user-search input {
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 0 10px;
  font-size: 12px;
}
.admin-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.admin-metric-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px 16px;
}
.admin-metric-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}
.admin-metric-card strong {
  display: block;
  color: var(--text);
  font-size: 22px;
  line-height: 1.1;
}
.admin-metric-card small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 11px;
}
.admin-metric-card.admin-error {
  color: #9b1c1b;
}
.admin-analytics-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.8fr);
  gap: 14px;
  margin-bottom: 14px;
}
.admin-analytics-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px;
  margin-bottom: 14px;
}
.admin-panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.admin-panel-head h3 {
  margin: 0;
  font-size: 14px;
  color: var(--text);
}
.admin-panel-head span {
  color: var(--muted);
  font-size: 12px;
}
.admin-trend-bars {
  height: 180px;
  display: flex;
  align-items: stretch;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 2px 0;
}
.admin-trend-day {
  min-width: 24px;
  flex: 1 0 24px;
  display: grid;
  grid-template-rows: minmax(0, 1fr) 18px;
  gap: 6px;
  align-items: end;
}
.admin-trend-stack {
  height: 100%;
  display: flex;
  align-items: end;
  gap: 3px;
}
.admin-trend-stack i,
.admin-trend-stack b {
  display: block;
  width: 50%;
  border-radius: 4px 4px 0 0;
}
.admin-trend-stack i { background: #2563eb; }
.admin-trend-stack b { background: #16a34a; }
.admin-trend-day span {
  color: var(--muted);
  font-size: 10px;
  text-align: center;
}
.admin-rank-list {
  display: grid;
  gap: 8px;
}
.admin-rank-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 8px;
  overflow: hidden;
}
.admin-rank-row span,
.admin-rank-row strong {
  position: relative;
  z-index: 1;
  font-size: 12px;
}
.admin-rank-row span {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.admin-rank-row strong {
  color: var(--muted);
}
.admin-rank-row i {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  border-radius: 999px;
  background: #7dd3fc;
}
.admin-compact-table th,
.admin-compact-table td {
  font-size: 12px;
  vertical-align: middle;
}
.admin-compact-table small {
  color: var(--muted);
}
.admin-empty {
  color: var(--muted);
  font-size: 12px;
  padding: 12px;
  text-align: center;
}
.admin-timeline-user {
  font-weight: 700;
  margin-bottom: 10px;
}
.admin-timeline {
  display: grid;
  gap: 10px;
}
.admin-timeline-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.admin-timeline-item time {
  color: var(--muted);
  font-size: 12px;
}
.admin-timeline-item strong {
  color: var(--text);
  font-size: 13px;
}
.admin-timeline-item p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}
.admin-timeline-item code {
  display: block;
  margin-top: 6px;
  padding: 6px 8px;
  border-radius: 6px;
  background: #f8fafc;
  color: #475569;
  font-size: 11px;
  white-space: pre-wrap;
  word-break: break-all;
}

@media (max-width: 900px) {
  .admin-metric-grid,
  .admin-analytics-layout {
    grid-template-columns: 1fr;
  }
  .admin-timeline-item {
    grid-template-columns: 1fr;
  }
}