/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); box-shadow: var(--shadow-glow); }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-outline:hover { background: var(--color-surface-2); }
.btn-danger { background: var(--color-danger); color: #fff; border-color: var(--color-danger); }
.btn-danger:hover { filter: brightness(1.15); }
.btn-ghost { background: transparent; color: var(--color-text-muted); }
.btn-ghost:hover { color: var(--color-text); background: var(--color-surface-2); }
.btn-sm { padding: 6px 14px; font-size: 0.875rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn-loading { position: relative; color: transparent !important; }
.btn-loading::after {
  content: '';
  position: absolute;
  inset: 0;
  margin: auto;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

/* ── Cards ── */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-title { font-size: 1rem; font-weight: 700; font-family: var(--font-display); }
.card-subtitle { font-size: 0.875rem; color: var(--color-text-muted); margin-top: 2px; }

/* ── Badges ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.badge-success { background: var(--color-success-dim); color: var(--color-success); }
.badge-danger { background: var(--color-danger-dim); color: var(--color-danger); }
.badge-warning { background: var(--color-warning-dim); color: var(--color-warning); }
.badge-info { background: var(--color-info-dim); color: var(--color-info); }
.badge-muted { background: var(--color-surface-2); color: var(--color-text-muted); }
.badge-primary { background: var(--color-primary-dim); color: var(--color-primary); }

/* ── Inputs ── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: 0.875rem; font-weight: 500; color: var(--color-text-muted); }
.form-input {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--color-text);
  font-size: 0.9375rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}
.form-input:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-dim); outline: none; }
.form-input.error { border-color: var(--color-danger); }
.form-error { font-size: 0.8125rem; color: var(--color-danger); min-height: 18px; }
.form-hint { font-size: 0.8125rem; color: var(--color-text-muted); }

/* ── Toggles ── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.toggle-row:last-child { border-bottom: none; }
.toggle-label { font-size: 0.9375rem; font-weight: 500; }
.toggle-desc { font-size: 0.8125rem; color: var(--color-text-muted); margin-top: 2px; }
.toggle {
  position: relative;
  width: 44px; height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
  position: absolute;
  inset: 0;
  background: var(--color-surface-offset);
  border-radius: 99px;
  cursor: pointer;
  transition: background var(--transition);
  border: 1px solid var(--color-border);
}
.toggle input:checked + .toggle-track { background: var(--color-primary); border-color: var(--color-primary); }
.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  top: 2px; left: 2px;
  transition: transform var(--transition);
  box-shadow: var(--shadow-sm);
}
.toggle input:checked + .toggle-track::after { transform: translateX(20px); }

/* ── Tables ── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th {
  background: var(--color-surface-2);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 1px solid var(--color-border);
}
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--color-surface-2); }
.td-muted { color: var(--color-text-muted); font-size: 0.875rem; }
.td-mono { font-family: 'Courier New', monospace; font-size: 0.85rem; color: var(--color-text-muted); }

/* ── Alert ── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  border: 1px solid transparent;
  margin: 16px 0;
}
.alert-danger { background: var(--color-danger-dim); border-color: rgba(229,62,62,0.3); color: var(--color-danger); }
.alert-success { background: var(--color-success-dim); border-color: rgba(56,161,105,0.3); color: var(--color-success); }
.alert-warning { background: var(--color-warning-dim); border-color: rgba(214,158,46,0.3); color: var(--color-warning); }
.alert-info { background: var(--color-info-dim); border-color: rgba(66,153,225,0.3); color: var(--color-info); }

/* ── KPI Cards ── */
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kpi-label { font-size: 0.8125rem; color: var(--color-text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; }
.kpi-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--color-text); line-height: 1; }
.kpi-sub { font-size: 0.8125rem; color: var(--color-text-muted); }

/* ── Upload zone ── */
.upload-zone {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-dim);
}
.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}
.upload-icon { color: var(--color-text-muted); margin-bottom: 12px; }
.upload-title { font-weight: 600; margin-bottom: 4px; }
.upload-sub { font-size: 0.875rem; color: var(--color-text-muted); }

/* ── Progress bar ── */
.progress-bar {
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: 99px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 99px;
  transition: width 0.4s ease;
}

/* ── Pagination ── */
.pagination { display: flex; align-items: center; gap: 4px; justify-content: center; padding: 16px 0; }
.page-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.page-btn:hover { background: var(--color-surface-2); color: var(--color-text); }
.page-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Select ── */
.form-select {
  appearance: none;
  background: var(--color-surface-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 36px 10px 14px;
  color: var(--color-text);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: border-color var(--transition);
}
.form-select:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px var(--color-primary-dim); }

/* ── Spinner ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 20px; height: 20px;
  border: 2px solid var(--color-border-strong);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* ── Empty state ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 48px;
  color: var(--color-text-muted);
  text-align: center;
  gap: 12px;
}
.empty-state svg { opacity: 0.3; margin-bottom: 8px; }
.empty-title { font-weight: 600; color: var(--color-text); }
.empty-desc { font-size: 0.9rem; }

/* ── Section header ── */
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.section-title { font-size: 1.25rem; font-weight: 800; font-family: var(--font-display); }

/* ── Copy field ── */
.copy-field {
  display: flex; align-items: center;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.copy-field span {
  flex: 1; padding: 10px 14px;
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--color-text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.copy-btn {
  padding: 10px 14px;
  border-left: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
}
.copy-btn:hover { color: var(--color-primary); background: var(--color-primary-dim); }