/* ============================================================
   RMMS — Component Styles
   Buttons, Inputs, Cards, Tables, Badges, Modals, Toasts, Tabs
   ============================================================ */

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  padding: 10px 20px; border-radius: var(--radius-sm); font-family: var(--font-label);
  font-size: var(--body-md-size); font-weight: 600; line-height: 1;
  transition: all var(--transition-fast); white-space: nowrap; border: 1px solid transparent;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--primary-container); color: #fff; border-color: var(--primary-container);
}
.btn-primary:hover { background: #0f766e; box-shadow: var(--shadow-glow); }

.btn-secondary {
  background: var(--surface-container-high); color: var(--on-surface);
  border-color: var(--outline-variant);
}
.btn-secondary:hover { background: var(--surface-container-highest); }

.btn-outline {
  background: transparent; color: var(--primary); border-color: var(--outline-variant);
}
.btn-outline:hover { background: rgba(13, 148, 136, 0.08); border-color: var(--primary-container); }

.btn-danger {
  background: var(--error-container); color: var(--on-error-container);
}
.btn-danger:hover { background: #a1000d; }

.btn-ghost {
  background: transparent; color: var(--on-surface-variant); padding: 8px 12px;
}
.btn-ghost:hover { background: var(--surface-container-high); color: var(--on-surface); }

.btn-sm { padding: 6px 12px; font-size: var(--body-sm-size); }
.btn-lg { padding: 14px 28px; font-size: var(--body-lg-size); }
.btn-icon { padding: 8px; border-radius: var(--radius-sm); }
.btn-icon.btn-sm { padding: 6px; }

.btn:disabled, .btn.disabled {
  opacity: 0.4; cursor: not-allowed; pointer-events: none;
}

/* ── Inputs ── */
.form-group { display: flex; flex-direction: column; gap: var(--space-2); }

.form-label {
  font-family: var(--font-label); font-size: var(--label-md-size);
  font-weight: var(--label-md-weight); letter-spacing: var(--label-md-spacing);
  text-transform: uppercase; color: var(--on-surface-variant);
}

.form-input, .form-select, .form-textarea {
  width: 100%; padding: 10px 14px; background: var(--elevation-0);
  border: 1px solid var(--outline-variant); border-radius: var(--radius-sm);
  color: var(--on-surface); font-size: var(--body-md-size);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary-container); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}
.form-input::placeholder { color: var(--outline); }
.form-input.error { border-color: var(--error); }
.form-input:disabled { opacity: 0.5; cursor: not-allowed; background: var(--surface-container); }

.form-select {
  appearance: none; cursor: pointer;
  background-image: 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='%23a38c7c' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 36px;
}

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

.form-hint { font-size: var(--body-sm-size); color: var(--on-surface-variant); }
.form-error { font-size: var(--body-sm-size); color: var(--error); }

.input-group { position: relative; display: flex; align-items: center; }
.input-group .form-input { padding-right: 44px; }
.input-group .input-icon {
  position: absolute; right: 12px; color: var(--on-surface-variant);
  cursor: pointer; display: flex; align-items: center;
}

.form-checkbox {
  display: flex; align-items: center; gap: var(--space-2); cursor: pointer; font-size: var(--body-md-size);
}
.form-checkbox input[type="checkbox"] {
  width: 18px; height: 18px; accent-color: var(--primary-container); cursor: pointer;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ── Cards ── */
.card {
  background: var(--elevation-1); border: 1px solid var(--elevation-2);
  border-radius: var(--radius-lg); padding: var(--space-6);
  transition: border-color var(--transition-fast);
}
.card:hover { border-color: var(--outline-variant); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-4); padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--elevation-2);
}
.card-title { font-family: var(--font-headline); font-size: var(--headline-sm-size); font-weight: var(--headline-sm-weight); }
.card-body { flex: 1; }

/* KPI Cards */
.kpi-card {
  background: var(--elevation-1); border: 1px solid var(--elevation-2);
  border-radius: var(--radius-lg); padding: var(--space-5);
  position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.kpi-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--primary-container);
}
.kpi-card .kpi-label {
  font-family: var(--font-label); font-size: var(--label-md-size);
  font-weight: var(--label-md-weight); letter-spacing: var(--label-md-spacing);
  text-transform: uppercase; color: var(--on-surface-variant); margin-bottom: var(--space-2);
  flex-grow: 1;
}
.kpi-card .kpi-value {
  font-family: var(--font-headline); font-size: var(--headline-md-size);
  font-weight: var(--headline-md-weight); color: var(--on-surface);
  font-variant-numeric: tabular-nums;
}
.kpi-card .kpi-sub { font-size: var(--body-sm-size); color: var(--on-surface-variant); margin-top: var(--space-1); }
.kpi-card .kpi-icon {
  position: absolute; top: var(--space-5); right: var(--space-5);
  color: var(--primary-container); opacity: 0.3; font-size: 40px;
}

/* ── Data Tables ── */
.data-table-wrapper { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--elevation-2); }

.data-table { width: 100%; font-size: var(--body-sm-size); }
.data-table thead { background: var(--surface-container); position: sticky; top: 0; z-index: 2; }
.data-table th {
  padding: 12px 16px; text-align: left; font-family: var(--font-label);
  font-size: var(--label-md-size); font-weight: var(--label-md-weight);
  letter-spacing: var(--label-md-spacing); text-transform: uppercase;
  color: var(--on-surface-variant); white-space: nowrap; border-bottom: 1px solid var(--elevation-2);
}
.data-table td {
  padding: 12px 16px; border-bottom: 1px solid rgba(51, 65, 85, 0.3);
  vertical-align: middle;
}
.data-table tbody tr { transition: background var(--transition-fast); }
.data-table tbody tr:nth-child(even) { background: rgba(15, 23, 42, 0.3); }
.data-table tbody tr:hover { background: rgba(13, 148, 136, 0.06); }
.data-table tbody tr:last-child td { border-bottom: none; }

.data-table .col-actions { text-align: right; white-space: nowrap; }
.data-table .col-amount { text-align: right; font-variant-numeric: tabular-nums; font-weight: 500; }
.data-table .col-narrow { width: 100px; }
.data-table .restricted-value { color: var(--outline); font-style: italic; }

/* ── Status Badges ── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--radius-full);
  font-size: var(--label-sm-size); font-weight: 600; line-height: 1.4;
  text-transform: uppercase; letter-spacing: 0.03em;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

.badge-success { background: var(--success-dim); color: var(--success); }
.badge-success::before { background: var(--success); }
.badge-warning { background: var(--warning-dim); color: var(--warning); }
.badge-warning::before { background: var(--warning); }
.badge-error { background: rgba(255, 180, 171, 0.15); color: var(--error); }
.badge-error::before { background: var(--error); }
.badge-info { background: var(--info-dim); color: var(--info); }
.badge-info::before { background: var(--info); }
.badge-neutral { background: rgba(163, 140, 124, 0.15); color: var(--outline); }
.badge-neutral::before { background: var(--outline); }

.role-badge {
  display: inline-flex; padding: 2px 8px; border-radius: var(--radius-sm);
  font-size: var(--label-sm-size); font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.05em; background: rgba(13, 148, 136, 0.15); color: var(--primary);
}

/* ── Tabs ── */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--elevation-2); margin-bottom: var(--space-6); }
.tab {
  padding: 12px 20px; font-family: var(--font-label); font-size: var(--body-md-size);
  font-weight: 500; color: var(--on-surface-variant); border-bottom: 2px solid transparent;
  transition: all var(--transition-fast); cursor: pointer;
}
.tab:hover { color: var(--on-surface); background: var(--surface-container); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary-container); }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px); z-index: var(--z-modal-backdrop);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4); animation: fadeIn var(--transition-fast) ease;
}
.modal {
  background: var(--elevation-2); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl); width: 100%; max-width: 560px;
  max-height: 90vh; overflow-y: auto; animation: scaleIn var(--transition-fast) ease;
}
.modal-lg { max-width: 800px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-6); border-bottom: 1px solid var(--outline-variant);
}
.modal-title { font-family: var(--font-headline); font-size: var(--headline-sm-size); font-weight: 600; }
.modal-close {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: var(--radius-sm);
  color: var(--on-surface-variant); transition: all var(--transition-fast);
}
.modal-close:hover { background: var(--surface-container-high); color: var(--on-surface); }
.modal-body { padding: var(--space-6); }
.modal-footer {
  display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3);
  padding: var(--space-4) var(--space-6); border-top: 1px solid var(--outline-variant);
}

/* ── Toast ── */
.toast-container {
  position: fixed; top: var(--space-4); right: var(--space-4);
  z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-3);
}
.toast {
  display: flex; align-items: flex-start; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--elevation-2); border: 1px solid var(--outline-variant);
  min-width: 320px; max-width: 420px; box-shadow: var(--shadow-lg);
  animation: slideInRight var(--transition-base) ease;
}
.toast-icon { font-size: 20px; flex-shrink: 0; margin-top: 1px; }
.toast-content { flex: 1; }
.toast-title { font-weight: 600; margin-bottom: 2px; }
.toast-message { font-size: var(--body-sm-size); color: var(--on-surface-variant); }
.toast-close { flex-shrink: 0; cursor: pointer; color: var(--on-surface-variant); padding: 2px; }
.toast-close:hover { color: var(--on-surface); }
.toast.toast-success .toast-icon { color: var(--success); }
.toast.toast-error .toast-icon { color: var(--error); }
.toast.toast-warning .toast-icon { color: var(--warning); }
.toast.toast-info .toast-icon { color: var(--info); }

@media (max-width: 480px) {
  .toast-container { left: var(--space-4); right: var(--space-4); }
  .toast { min-width: auto; }
}

/* ── Empty State ── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: var(--space-16) var(--space-8); text-align: center;
}
.empty-state .material-icons-round { font-size: 64px; color: var(--outline-variant); margin-bottom: var(--space-4); }
.empty-state h3 { font-family: var(--font-headline); margin-bottom: var(--space-2); }
.empty-state p { color: var(--on-surface-variant); max-width: 400px; }

/* ── Loading Spinner ── */
.spinner {
  width: 32px; height: 32px; border: 3px solid var(--elevation-2);
  border-top-color: var(--primary-container); border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner-sm { width: 18px; height: 18px; border-width: 2px; }

/* ── Filters Bar ── */
.filters-bar {
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
  padding: var(--space-4); background: var(--surface-container);
  border-radius: var(--radius-lg); margin-bottom: var(--space-4);
}
.filters-bar .form-input, .filters-bar .form-select {
  max-width: 220px; padding: 8px 12px; font-size: var(--body-sm-size);
}

/* ── Confirm Dialog ── */
.confirm-body { text-align: center; padding: var(--space-8) var(--space-6); }
.confirm-body .material-icons-round { font-size: 48px; color: var(--warning); margin-bottom: var(--space-4); }
.confirm-body h3 { margin-bottom: var(--space-2); }
.confirm-body p { color: var(--on-surface-variant); }

/* ── Searchable Select ── */
.ss-wrapper { position: relative; width: 100%; }
.ss-display {
  display: flex; align-items: center; justify-content: space-between; cursor: pointer;
  gap: var(--space-2); user-select: none; min-height: 42px;
}
.ss-display[aria-expanded="true"] {
  border-color: var(--primary-container); box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}
.ss-display-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ss-display-text.ss-placeholder { color: var(--outline); }
.ss-arrow { font-size: 20px; color: var(--on-surface-variant); transition: transform var(--transition-fast); flex-shrink: 0; }
.ss-display[aria-expanded="true"] .ss-arrow { transform: rotate(180deg); }

.ss-dropdown {
  display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: var(--elevation-2); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown); overflow: hidden;
  animation: fadeIn var(--transition-fast) ease;
}
.ss-dropdown.open { display: block; }

.ss-search-wrap {
  display: flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--outline-variant);
  background: var(--surface-container);
}
.ss-search-icon { font-size: 18px; color: var(--outline); flex-shrink: 0; }
.ss-search-input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--on-surface); font-size: var(--body-md-size); padding: 4px 0;
}
.ss-search-input::placeholder { color: var(--outline); }

.ss-options { max-height: 220px; overflow-y: auto; padding: var(--space-1) 0; }
.ss-option {
  padding: 9px var(--space-3); cursor: pointer; font-size: var(--body-md-size);
  transition: background var(--transition-fast); display: flex; align-items: center;
}
.ss-option:hover { background: var(--surface-container-high); }
.ss-option.selected { background: rgba(13, 148, 136, 0.1); color: var(--primary); font-weight: 500; }
.ss-option-placeholder { color: var(--outline); font-style: italic; }
.ss-empty {
  padding: var(--space-4); text-align: center;
  color: var(--on-surface-variant); font-size: var(--body-sm-size);
}

/* ── Tooltip ── */
[data-tooltip] { position: relative; }
[data-tooltip]:hover::after {
  content: attr(data-tooltip); position: absolute; bottom: calc(100% + 8px);
  left: 50%; transform: translateX(-50%); padding: 6px 10px;
  background: var(--elevation-2); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm); font-size: var(--body-sm-size);
  white-space: nowrap; z-index: var(--z-tooltip); animation: fadeIn var(--transition-fast) ease;
}