/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn:hover { text-decoration: none; }
.btn-primary { background: var(--ch-ads-accent); color: #fff; }
.btn-primary:hover { background: #047857; }
.btn-ghost { background: transparent; color: var(--ch-text-muted); border: 1px solid var(--ch-border); }
.btn-ghost:hover { background: var(--ch-main-bg); color: var(--ch-text); }
.btn-block { width: 100%; }
.btn-lg { padding: 0.875rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }

.landing-nav .btn-primary {
  background: linear-gradient(135deg, var(--ch-ads-accent), #047857);
}

.landing-nav .btn-ghost {
  color: #e2e8f0;
  border-color: rgba(255,255,255,0.2);
}

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #94a3b8;
  margin-bottom: 0.375rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  background: rgba(0,0,0,0.2);
  color: #e2e8f0;
  font-size: 0.9375rem;
  font-family: var(--font-body);
}

.auth-form .form-group input:focus {
  outline: none;
  border-color: var(--ch-ads-accent);
  box-shadow: 0 0 0 3px rgba(5,150,105,0.2);
}

.card .form-group label { color: var(--ch-text-muted); }
.card .form-group input,
.card .form-group select {
  background: var(--ch-surface);
  border-color: var(--ch-border);
  color: var(--ch-text);
}

.card .form-group input:focus,
.card .form-group select:focus {
  outline: none;
  border-color: var(--ch-ads-accent);
  box-shadow: 0 0 0 3px var(--ch-ads-accent-light);
}

.form-group small {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--ch-text-muted);
}

.form-grid { display: grid; gap: 0.5rem; }
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Cards */
.card {
  background: var(--ch-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  border: 1px solid var(--ch-border);
}

/* KPI grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.kpi-card {
  background: var(--ch-surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--ch-border);
  position: relative;
}

.kpi-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ch-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}

.kpi-value {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--ch-text);
}

.kpi-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  background: var(--ch-main-bg);
  color: var(--ch-text-muted);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--ch-surface);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--ch-border);
  margin-bottom: 2rem;
}

.empty-icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }
.empty-state h2 { font-size: 1.25rem; margin-bottom: 0.75rem; color: var(--ch-text); }
.empty-state p { color: var(--ch-text-muted); max-width: 480px; margin: 0 auto; }

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.data-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--ch-text-muted);
  border-bottom: 2px solid var(--ch-border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th.sortable:hover {
  color: var(--ch-text);
}

.data-table th.sortable::after {
  content: " \2195";
  font-size: 0.7rem;
  opacity: 0.35;
}

.data-table th.sortable.sort-asc::after {
  content: " \2191";
  opacity: 1;
}

.data-table th.sortable.sort-desc::after {
  content: " \2193";
  opacity: 1;
}

.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--ch-border);
  vertical-align: middle;
}

.data-table tbody tr:hover { background: var(--ch-main-bg); }

.actions-cell { white-space: nowrap; }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.625rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-role { background: #ede9fe; color: #5b21b6; }
.badge-active { background: var(--ch-ads-accent-light); color: var(--ch-ads-accent); }
.badge-inactive { background: #fee2e2; color: var(--ch-danger); }

/* Flash messages */
.flash {
  padding: 0.875rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.flash-error { background: #fee2e2; color: var(--ch-danger); border: 1px solid #fecaca; }
.flash-success { background: var(--ch-ads-accent-light); color: var(--ch-ads-accent); border: 1px solid #a7f3d0; }

.auth-form .flash-error {
  background: rgba(220,38,38,0.15);
  color: #fca5a5;
  border-color: rgba(220,38,38,0.3);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  align-items: center;
  justify-content: center;
}

.modal.open { display: flex; }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 480px;
  margin: 1rem;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-content h2 {
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}

/* Analysis page */
.analysis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

@media (max-width: 900px) {
  .analysis-grid { grid-template-columns: 1fr; }
}

/* Dashboard — tables stacked full width */
.dashboard-tables-stack {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
}

.dashboard-tables-stack .card {
  width: 100%;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--ch-text);
}

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.card-header-row .card-title {
  margin-bottom: 0;
}

.period-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.period-filter-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ch-text-muted, #64748b);
  white-space: nowrap;
}

.period-filter-select {
  min-width: 10rem;
  padding: 0.35rem 0.6rem;
  font-size: 0.875rem;
  border: 1px solid var(--ch-border, #e2e8f0);
  border-radius: 0.375rem;
  background: var(--ch-surface, #fff);
  color: var(--ch-text);
}

.report-list {
  list-style: none;
  padding: 0;
}

.report-list li {
  padding: 0.625rem 0;
  border-bottom: 1px solid var(--ch-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.text-muted { color: var(--ch-text-muted); font-size: 0.875rem; }

textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--ch-border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  resize: vertical;
  min-height: 100px;
}

textarea:focus {
  outline: none;
  border-color: var(--ch-ads-accent);
  box-shadow: 0 0 0 3px var(--ch-ads-accent-light);
}

.analysis-result { margin-top: 0.5rem; }

.analysis-question {
  color: var(--ch-text-muted);
  margin-bottom: 1rem;
  font-size: 0.9375rem;
}

.analysis-answer {
  white-space: pre-wrap;
  line-height: 1.75;
  font-size: 0.9375rem;
  color: var(--ch-text);
  font-family: inherit;
  letter-spacing: 0.01em;
}

.locale-footer {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--ch-border);
  font-size: 0.75rem;
  text-align: center;
}