:root {
  --color-primary: #1a237e;
  --color-primary-dark: #0d144f;
  --color-primary-light: #534bae;
  --color-accent: #ff6f00;
  --color-accent-light: #ffa040;
  --color-bg: #f4f6fa;
  --color-surface: #ffffff;
  --color-surface-alt: #f9fafb;
  --color-text: #1f2937;
  --color-text-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 32px -8px rgba(15, 23, 42, 0.12);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --sidebar-w: 248px;
  --topbar-h: 72px;

  --transition: all 200ms ease;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: 14px;
}

/* ====== Sidebar ====== */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  z-index: 50;
  transition: transform 220ms ease;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-logo-img {
  width: 100%;
  max-width: 110px;
  height: auto;
  background: white;
  border-radius: 10px;
  padding: 8px 10px;
  box-shadow: 0 4px 12px -3px rgba(0, 0, 0, 0.25);
}

.brand-subtitle {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 6px;
}

.nav {
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 4px;
  flex: 1;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: rgba(255, 255, 255, 0.78);
  font-weight: 500;
  font-size: 14px;
  transition: var(--transition);
  position: relative;
}

.nav-link i {
  width: 18px;
  text-align: center;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.nav-link.active {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.nav-link.active::before {
  content: '';
  position: absolute;
  left: -12px;
  top: 8px;
  bottom: 8px;
  width: 4px;
  background: var(--color-accent);
  border-radius: 0 4px 4px 0;
}

.sidebar-footer {
  padding: 16px 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ====== Main layout ====== */
.layout-main {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  height: var(--topbar-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

.topbar-toggle {
  display: none;
  font-size: 18px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
}

.topbar-toggle:hover {
  background: var(--color-surface-alt);
}

.topbar-title {
  flex: 1;
  min-width: 0;
}

.topbar-title h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
}

.topbar-title p {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.topbar-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.content {
  flex: 1;
  padding: 32px;
  position: relative;
}

/* ====== Buttons ====== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover {
  background: var(--color-primary-light);
}

.btn--accent {
  background: var(--color-accent);
  color: #fff;
}

.btn--accent:hover {
  background: var(--color-accent-light);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: var(--color-surface-alt);
}

.btn--danger {
  background: var(--color-danger);
  color: #fff;
}

.btn--sm {
  padding: 6px 12px;
  font-size: 12px;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.icon-btn:hover {
  background: var(--color-surface-alt);
  color: var(--color-text);
}

.icon-btn--danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
}

/* ====== Stat cards ====== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
  align-items: center;
  transition: var(--transition);
  animation: fadeUp 400ms ease backwards;
  border: 1px solid var(--color-border);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.stat-card:nth-child(1) { animation-delay: 0ms; }
.stat-card:nth-child(2) { animation-delay: 80ms; }
.stat-card:nth-child(3) { animation-delay: 160ms; }
.stat-card:nth-child(4) { animation-delay: 240ms; }

.stat-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: grid;
  place-items: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
}

.stat-icon--blue { background: linear-gradient(135deg, #1a237e, #534bae); }
.stat-icon--orange { background: linear-gradient(135deg, #ff6f00, #ffa040); }
.stat-icon--green { background: linear-gradient(135deg, #059669, #10b981); }
.stat-icon--purple { background: linear-gradient(135deg, #7c3aed, #a855f7); }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

/* ====== Panels ====== */
.panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  overflow: hidden;
  animation: fadeUp 400ms ease backwards;
}

.panel-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.panel-header h2 {
  font-size: 15px;
  font-weight: 600;
}

.panel-header p {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.panel-body {
  padding: 24px;
}

.panel-body--flush {
  padding: 0;
}

.two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
}

@media (max-width: 1024px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* ====== Tables ====== */
.table-wrapper {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table th,
.table td {
  text-align: left;
  padding: 14px 24px;
  font-size: 13px;
  vertical-align: middle;
}

.table thead th {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--color-border);
}

.table tbody tr {
  transition: var(--transition);
  border-bottom: 1px solid var(--color-border);
}

.table tbody tr:last-child {
  border-bottom: none;
}

.table tbody tr:hover {
  background: var(--color-surface-alt);
}

.table thead th.sortable {
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.table thead th.sortable:hover {
  background: var(--color-border);
}

.table thead th.sortable span {
  display: inline-block;
  vertical-align: middle;
}

.sort-icon {
  font-size: 10px;
  margin-left: 4px;
  color: var(--color-text-muted);
  opacity: 0.5;
}

.sort-icon.active {
  opacity: 1;
  color: var(--color-primary);
}

.row-clickable {
  cursor: pointer;
}

.progress-bar--hot {
  background: linear-gradient(90deg, var(--color-accent), #ff3d00);
}

/* ====== Pagination ====== */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  font-size: 12px;
  flex-wrap: wrap;
  gap: 12px;
}

.pagination-info {
  color: var(--color-text-muted);
}

.pagination-info strong {
  color: var(--color-text);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-size {
  padding: 6px 10px;
  font-size: 12px;
  margin-right: 4px;
}

.pagination-page {
  padding: 0 10px;
  font-weight: 600;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}

.pagination-controls .icon-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}


.table .table-actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
}

.table .cell-strong {
  font-weight: 600;
  color: var(--color-text);
}

.table .cell-muted {
  color: var(--color-text-muted);
  font-size: 12px;
}

.table .user-code {
  font-family: 'Menlo', 'Monaco', monospace;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(26, 35, 126, 0.06);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  display: inline-block;
}

/* ====== Badges ====== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.badge--success { background: rgba(16, 185, 129, 0.12); color: #047857; }
.badge--warning { background: rgba(245, 158, 11, 0.14); color: #b45309; }
.badge--danger { background: rgba(239, 68, 68, 0.12); color: #b91c1c; }
.badge--info { background: rgba(59, 130, 246, 0.12); color: #1d4ed8; }
.badge--neutral { background: rgba(107, 114, 128, 0.12); color: #374151; }
.badge--accent { background: rgba(255, 111, 0, 0.14); color: #c2410c; }
.badge--xs { padding: 2px 8px; font-size: 10px; letter-spacing: 0.5px; margin-left: 6px; vertical-align: middle; }

.badge--type-exposicion { background: rgba(124, 58, 237, 0.12); color: #6d28d9; }
.badge--type-concierto { background: rgba(255, 111, 0, 0.14); color: #c2410c; }
.badge--type-taller { background: rgba(16, 185, 129, 0.12); color: #047857; }
.badge--type-teatro { background: rgba(239, 68, 68, 0.12); color: #b91c1c; }
.badge--type-conferencia { background: rgba(59, 130, 246, 0.12); color: #1d4ed8; }
.badge--type-otro { background: rgba(107, 114, 128, 0.12); color: #374151; }

/* ====== Progress ====== */
.progress {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.progress-track {
  height: 6px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: inherit;
  transition: width 400ms ease;
}

.progress-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  display: flex;
  justify-content: space-between;
}

/* ====== Forms ====== */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text);
}

.form-group .required {
  color: var(--color-danger);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-text);
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

.form-hint {
  font-size: 11px;
  color: var(--color-text-muted);
}

/* ====== Toolbar / filters ====== */
.toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  position: relative;
  flex: 1;
  min-width: 220px;
  max-width: 360px;
}

.search-input i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: 13px;
}

.search-input input {
  width: 100%;
  padding: 9px 14px 9px 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: var(--transition);
  background: var(--color-surface);
}

.search-input input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.12);
}

.select-input {
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  outline: none;
  transition: var(--transition);
}

.select-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.12);
}

/* ====== Modal ====== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal.hidden {
  display: none;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  animation: fadeIn 200ms ease;
}

.modal-card {
  position: relative;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  max-height: calc(100vh - 48px);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: scaleIn 220ms ease;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

/* ====== Confirm dialog ====== */
.confirm-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.confirm-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(26, 35, 126, 0.08);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  font-size: 28px;
}
.confirm-icon--danger {
  background: rgba(239, 68, 68, 0.12);
  color: var(--color-danger);
}
.confirm-message {
  font-size: 14px;
  color: var(--color-text);
  line-height: 1.5;
  margin: 0;
}
.confirm-body .form-actions {
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}

/* ====== Toasts ====== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background: var(--color-surface);
  color: var(--color-text);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-info);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 380px;
  pointer-events: auto;
  animation: slideInRight 280ms ease, fadeOut 280ms ease 2700ms forwards;
  font-size: 13px;
}

.toast--success { border-left-color: var(--color-success); }
.toast--error { border-left-color: var(--color-danger); }
.toast--warning { border-left-color: var(--color-warning); }
.toast i { font-size: 16px; }
.toast--success i { color: var(--color-success); }
.toast--error i { color: var(--color-danger); }
.toast--warning i { color: var(--color-warning); }
.toast--info i { color: var(--color-info); }

/* ====== Check-in ====== */
.checkin-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) 1.4fr;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1024px) {
  .checkin-grid { grid-template-columns: 1fr; }
}

.search-input--lg input {
  padding: 14px 14px 14px 44px;
  font-size: 16px;
}

.search-input--lg i {
  font-size: 16px;
  left: 16px;
}

.checkin-suggestions {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 360px;
  overflow-y: auto;
}

.checkin-suggestion {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  text-align: left;
  transition: var(--transition);
}

.checkin-suggestion:hover {
  border-color: var(--color-primary);
  background: rgba(26, 35, 126, 0.04);
  transform: translateX(2px);
}

.checkin-suggestion-info {
  min-width: 0;
}

.checkin-no-results {
  margin-top: 12px;
  padding: 20px;
  text-align: center;
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.checkin-no-results i {
  font-size: 24px;
  opacity: 0.5;
}

.checkin-empty-selection {
  margin-top: 20px;
  padding: 32px 20px;
  text-align: center;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 13px;
}

.checkin-empty-selection i {
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
  color: var(--color-primary);
  animation: bounce 1.5s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.checkin-selected-card {
  margin-top: 16px;
  padding: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  color: white;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
  animation: scaleIn 200ms ease;
}

.checkin-selected-card .user-code {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.checkin-selected-card .cell-muted {
  color: rgba(255, 255, 255, 0.8);
}

.checkin-selected-card .icon-btn {
  color: rgba(255, 255, 255, 0.8);
}

.checkin-selected-card .icon-btn:hover {
  color: white;
  background: rgba(255, 255, 255, 0.15);
}

.checkin-selected-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 4px 0;
}

.checkin-selected-stats {
  margin-top: 8px;
}

.checkin-selected-stats .badge {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.checkin-qr {
  background: white;
  border-radius: var(--radius-sm);
  padding: 4px;
  width: 72px;
  height: 72px;
  flex-shrink: 0;
}

.checkin-activities {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.checkin-activity-card {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: white;
  transition: var(--transition);
}

.checkin-activity-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.checkin-activity-card.is-full {
  opacity: 0.6;
}

.checkin-activity-card.is-hot {
  border-color: var(--color-accent);
}

.checkin-activity-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.checkin-activity-card h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.pulse-success {
  animation: pulseSuccess 900ms ease;
}

@keyframes pulseSuccess {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); border-color: var(--color-success); }
  60% { box-shadow: 0 0 0 12px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ====== Image picker (form) ====== */
.image-picker {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.image-picker-preview {
  position: relative;
  width: 100%;
  max-width: 280px;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  border: 2px dashed var(--color-border);
  overflow: hidden;
  display: grid;
  place-items: center;
  transition: var(--transition);
}

.image-picker-preview.has-image {
  border-style: solid;
  border-color: var(--color-border);
  background: var(--color-surface);
}

.image-picker-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-picker-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.image-picker-empty i {
  font-size: 32px;
  opacity: 0.5;
}

.image-picker-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.7);
  color: white;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 13px;
  transition: var(--transition);
}

.image-picker-remove:hover {
  background: var(--color-danger);
  transform: scale(1.05);
}

.image-picker-pending {
  position: absolute;
  bottom: 8px;
  left: 8px;
  padding: 3px 9px;
  background: var(--color-accent);
  color: white;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.image-picker-btn {
  cursor: pointer;
}

/* ====== Affinity (user detail) ====== */
.affinity-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.affinity-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  align-items: center;
}

.affinity-row-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text);
}

.affinity-row-label i {
  width: 16px;
  text-align: center;
  color: var(--color-primary);
}

.affinity-row-bar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.affinity-bar-track {
  flex: 1;
  height: 8px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}

.affinity-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.affinity-row-count {
  font-weight: 700;
  font-size: 13px;
  min-width: 24px;
  text-align: right;
}

.affinity-locations {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 12px;
}

/* ====== Suggestions (activity form) ====== */
.suggestions-block {
  background: rgba(255, 111, 0, 0.04);
  border: 1px solid rgba(255, 111, 0, 0.2);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.suggestions-block label {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.suggestions-content {
  margin-top: 8px;
}

.suggestions-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.suggestions-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.suggestion-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
}

.suggestion-row:last-child {
  border-bottom: none;
}

.suggestion-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.suggestion-stats {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-shrink: 0;
}

.suggestion-score {
  background: var(--color-accent);
  color: white;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

/* ====== Segments view ====== */
.segments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.segment-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  width: 100%;
}

.segment-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.segment-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 20px;
  color: white;
  flex-shrink: 0;
}

.segment-icon--blue { background: linear-gradient(135deg, #1a237e, #534bae); }
.segment-icon--orange { background: linear-gradient(135deg, #ff6f00, #ffa040); }
.segment-icon--green { background: linear-gradient(135deg, #059669, #10b981); }
.segment-icon--purple { background: linear-gradient(135deg, #7c3aed, #a855f7); }

.segment-info {
  flex: 1;
  min-width: 0;
}

.segment-label {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 2px;
}

.segment-desc {
  font-size: 12px;
  color: var(--color-text-muted);
}

.segment-count {
  text-align: right;
  flex-shrink: 0;
}

.segment-count span {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.segment-count small {
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.segment-detail-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.segment-detail-header h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0;
}

/* ====== Activity summary cards ====== */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.summary-card {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.summary-card-label {
  font-size: 11px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.summary-card-value {
  font-size: 26px;
  font-weight: 700;
  margin-top: 4px;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.summary-card-extra {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ====== Activity thumbnail (table) ====== */
.cell-with-thumb {
  display: flex;
  align-items: center;
  gap: 12px;
}

.activity-thumb {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--color-surface-alt);
}

.activity-thumb--placeholder {
  display: grid;
  place-items: center;
  color: var(--color-primary);
  background: rgba(26, 35, 126, 0.08);
  font-size: 16px;
}

/* ====== Activity detail banner ====== */
.activity-detail-banner {
  width: calc(100% + 48px);
  margin: -24px -24px 0 -24px;
  aspect-ratio: 16 / 7;
  background: var(--color-surface-alt);
  overflow: hidden;
}

.activity-detail-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ====== Activity detail ====== */
.activity-detail {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.activity-detail-header h3 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 8px;
  line-height: 1.25;
}

.activity-detail-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.activity-detail-info {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.activity-detail-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--color-text);
}

.activity-detail-row i {
  width: 18px;
  color: var(--color-primary);
}

.activity-detail-desc {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.activity-detail-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.activity-detail-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.activity-detail-section-header h4 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.activity-detail-section-actions {
  display: flex;
  gap: 6px;
}

/* ====== User detail ====== */
.user-detail {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.user-detail-header {
  display: flex;
  gap: 20px;
  align-items: center;
}

.user-qr-wrap {
  flex-shrink: 0;
  background: white;
  padding: 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.user-qr {
  display: block;
  width: 140px;
  height: 140px;
}

.user-detail-info {
  flex: 1;
  min-width: 0;
}

.user-detail-info h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 6px 0 10px;
}

.user-detail-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.user-detail-meta i {
  width: 16px;
  color: var(--color-primary);
  margin-right: 6px;
}

.user-detail-stats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.user-detail-section {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
}

.user-detail-section h4 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
}

.muted-count {
  color: var(--color-text-muted);
  font-weight: 400;
}

@media (max-width: 600px) {
  .user-detail-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ====== Empty state ====== */
.empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--color-text-muted);
}

.empty i {
  font-size: 36px;
  color: var(--color-border);
  margin-bottom: 12px;
}

.empty h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.empty p {
  font-size: 13px;
}

/* ====== Loader ====== */
.loader {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 80px 0;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 700ms linear infinite;
}

/* ====== Top activities list ====== */
.top-list {
  display: flex;
  flex-direction: column;
}

.top-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--color-border);
}

.top-item:last-child { border-bottom: none; }

.top-item .rank {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 12px;
  flex-shrink: 0;
}

.top-item .top-info {
  flex: 1;
  min-width: 0;
}

.top-item .top-name {
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-item .top-meta {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* ====== Animations ====== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeOut {
  to { opacity: 0; transform: translateX(20px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ====== Responsive ====== */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .layout-main {
    margin-left: 0;
  }
  .topbar-toggle {
    display: inline-flex;
  }
  .content {
    padding: 20px;
  }
  .topbar {
    padding: 0 20px;
  }
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .table th,
  .table td {
    padding: 10px 16px;
  }
  .stat-card {
    padding: 18px;
  }
  .stat-value {
    font-size: 22px;
  }
}