/* Reusable UI building blocks: cards, buttons, badges, modals, toasts, forms. */

.icon {
  flex-shrink: 0;
  vertical-align: middle;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 16px;
  transition: box-shadow var(--transition-fast);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 36px;
  padding: 0 15px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: 0 5px 12px rgba(var(--color-primary-rgb), 0.24);
}
.btn-primary:hover { background: var(--color-primary-hover); box-shadow: 0 7px 16px rgba(var(--color-primary-rgb), 0.30); }
.btn-primary:active { background: var(--color-primary-active); }
.btn:disabled,
.btn-icon:disabled {
  cursor: not-allowed;
  opacity: 0.52;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-primary);
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

.btn-ghost {
  color: var(--color-text-secondary);
}
.btn-ghost:hover { color: var(--color-text-primary); background: var(--color-primary-soft); }

.btn-danger {
  background: var(--color-danger);
  color: var(--color-text-inverse);
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}
.btn-icon:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 7px;
  border-radius: 999px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.35;
}

.badge-info { background: var(--color-info-soft); color: var(--color-info); }
.badge-primary { background: var(--color-primary-soft); color: var(--color-primary); }
.badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.badge-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.badge-waiting { background: var(--color-waiting-soft); color: var(--color-waiting); }
.badge-muted { background: var(--color-bg); color: var(--color-text-muted); border: 1px solid var(--color-border); }

.announcement-banner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.announcement-banner-text { flex: 1; font-size: var(--font-size-sm); font-weight: 500; }
.announcement-banner-dismiss { flex-shrink: 0; }
.announcement-banner-info { background: var(--color-info-soft); color: var(--color-info); }
.announcement-banner-warning { background: var(--color-warning-soft); color: var(--color-warning); }
.announcement-banner-critical { background: var(--color-danger-soft); color: var(--color-danger); }
.announcement-banner-info .announcement-banner-text,
.announcement-banner-warning .announcement-banner-text,
.announcement-banner-critical .announcement-banner-text { color: var(--color-text-primary); }

.avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  flex-shrink: 0;
}

/* Form controls */
.form-group { margin-bottom: 13px; }
.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  min-height: 38px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-textarea { min-height: 88px; resize: vertical; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--color-text-muted); }
.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  cursor: not-allowed;
}
input[type="checkbox"],
input[type="radio"] {
  width: 17px;
  height: 17px;
  accent-color: var(--color-primary);
}
.form-error {
  color: var(--color-danger);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}
.form-help {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(20, 18, 40, 0.55);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  z-index: 100;
}
.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow: hidden;
  padding: 0;
}
.modal.modal-wide { max-width: 720px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.modal-title { font-size: var(--font-size-lg); font-weight: 700; }
.modal-body {
  max-height: calc(90vh - 142px);
  overflow-y: auto;
  padding: 18px 20px;
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  margin: 0;
  padding: 13px 20px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-alt);
  position: sticky;
  bottom: 0;
}

/* Toast */
.toast-stack {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 200;
}
.toast {
  background: var(--color-text-primary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 260px;
}
.toast-success { background: var(--color-success); }
.toast-warning { background: var(--color-warning); }
.toast-danger { background: var(--color-danger); }

/* Empty / skeleton states */
.empty-state {
  text-align: center;
  padding: 26px var(--space-4);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto;
}
.empty-state::before {
  content: "";
  display: block;
  width: 42px;
  height: 42px;
  margin: 0 auto 12px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  box-shadow: inset 0 0 0 1px rgba(var(--color-primary-rgb), 0.12);
}
.skeleton {
  background: linear-gradient(90deg, var(--color-border) 25%, var(--color-bg) 37%, var(--color-border) 63%);
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
  border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  justify-content: flex-end;
  margin-top: 12px;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Summary card */
.summary-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: relative;
  overflow: hidden;
}
.summary-card:hover {
  border-color: rgba(var(--color-primary-rgb), 0.24);
  box-shadow: 0 8px 24px rgba(30, 27, 57, 0.08);
}

.page-state {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  text-align: center;
  color: var(--color-text-secondary);
}
.page-state h1,
.page-state h2 { color: var(--color-text-primary); }
.page-state-error { border-color: rgba(239, 68, 68, 0.24); }
.page-state-loading { min-height: 160px; }
.page-state-loading::before {
  content: "";
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-primary-soft);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: loading-spin 0.8s linear infinite;
}
@keyframes loading-spin { to { transform: rotate(360deg); } }
.page-state-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 800;
}

.table-result-count {
  margin: 0 0 10px;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}
.summary-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-info));
  opacity: 0.85;
}
.summary-card .summary-value { font-size: var(--font-size-2xl); font-weight: 700; letter-spacing: -0.01em; }
.summary-card .summary-label { color: var(--color-text-secondary); font-size: var(--font-size-sm); }