/* ============================================================
   Atera Central CMS — Component Styles
   ============================================================ */

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: all 0.15s;
  white-space: nowrap;
  text-decoration: none;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover:not(:disabled) { background: var(--color-gold-faint); border-color: var(--color-gold); color: var(--color-primary-dark); }

.btn-danger {
  background: var(--color-danger);
  color: #fff;
  border-color: var(--color-danger);
}
.btn-danger:hover:not(:disabled) { background: #DC2626; border-color: #DC2626; color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
  padding: 6px 12px;
}
.btn-ghost:hover:not(:disabled) { background: var(--color-surface-2); color: var(--color-text); }

.btn-gold {
  background: var(--color-gold);
  color: var(--color-primary-dark);
  border-color: var(--color-gold);
  font-weight: 700;
}
.btn-gold:hover:not(:disabled) { background: var(--color-gold-light); color: var(--color-primary-dark); color: #fff; }

.btn-sm { padding: 5px 12px; font-size: 0.8rem; }
.btn-lg { padding: 12px 28px; font-size: 1rem; justify-content: center; }
.btn-icon { padding: 8px; border-radius: var(--border-radius); }

/* ---- Forms ---- */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-label .required { color: var(--color-danger); margin-left: 3px; }

.form-control {
  display: block;
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color 0.15s, box-shadow 0.15s;
  outline: none;
}

.form-control:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
}

.form-control.is-invalid { border-color: var(--color-danger); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2); }

.form-hint { font-size: 0.78rem; color: var(--color-text-muted); margin-top: 4px; }
.form-error { font-size: 0.78rem; color: var(--color-danger); margin-top: 4px; display: none; }
.form-error.visible { display: block; }

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

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B5B4E' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.radio-group {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row.three { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 768px) {
  .form-row, .form-row.three { grid-template-columns: 1fr; }
}

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-body { padding: 20px; }
.card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* ---- Status Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0.7;
  flex-shrink: 0;
}

.badge-waiting-director, .badge-waiting-chairman {
  background: rgba(249, 115, 22, 0.12);
  color: #C2410C;
}

.badge-waiting-external {
  background: rgba(59, 130, 246, 0.12);
  color: #1D4ED8;
}

.badge-fully-signed {
  background: rgba(34, 197, 94, 0.12);
  color: #15803D;
}

.badge-cancelled {
  background: rgba(239, 68, 68, 0.12);
  color: #B91C1C;
}

.badge-expired {
  background: rgba(156, 163, 175, 0.18);
  color: #4B5563;
}

.badge-pending   { background: rgba(251, 191, 36, 0.15); color: #92400E; }
.badge-paid      { background: rgba(34, 197, 94, 0.12);  color: #15803D; }
.badge-overdue   { background: rgba(239, 68, 68, 0.12);  color: #B91C1C; }
.badge-payable   { background: rgba(123, 53, 37, 0.10);  color: #7B3525; }
.badge-receivable { background: rgba(59, 130, 246, 0.10); color: #1D4ED8; }

/* ---- Tables ---- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

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

.data-table thead {
  background: var(--color-surface-2);
  border-bottom: 1.5px solid var(--color-border);
}

.data-table th {
  padding: 11px 14px;
  text-align: left;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
  user-select: none;
}

.data-table th.sortable { cursor: pointer; }
.data-table th.sortable:hover { color: var(--color-primary); }
.data-table th .sort-icon { margin-left: 4px; opacity: 0.5; font-size: 0.7rem; }
.data-table th.sort-asc .sort-icon::after { content: '▲'; }
.data-table th.sort-desc .sort-icon::after { content: '▼'; }
.data-table th:not(.sort-asc):not(.sort-desc) .sort-icon::after { content: '⇅'; }

.data-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--color-gold-faint); }

.data-table .cell-id { font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-primary); font-weight: 600; white-space: nowrap; min-width: 180px; }
.data-table .cell-party { min-width: 260px; max-width: 360px; word-break: break-word; }
.data-table .cell-value { font-family: var(--font-mono); text-align: left; white-space: nowrap; }
.data-table .cell-actions { text-align: right; white-space: nowrap; }

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 14px 20px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.pagination-info { flex: 1; color: var(--color-text-muted); }

.page-btn {
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-gold-faint); }
.page-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---- Modals ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  animation: fadeIn 0.15s ease;
}

.modal-overlay.hidden { display: none; }

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

.modal {
  background: var(--color-surface);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.2s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-lg { max-width: 700px; }

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--color-text-muted);
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1;
  transition: background 0.15s;
}
.modal-close:hover { background: var(--color-surface-2); color: var(--color-text); }

.modal-body { padding: 24px; }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface-2);
}

/* ---- Tags ---- */
.tag-input-wrapper {
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 6px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 42px;
  background: var(--color-surface);
  cursor: text;
  transition: border-color 0.15s;
}

.tag-input-wrapper:focus-within {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--color-gold-faint);
  border: 1px solid var(--color-gold-light);
  color: var(--color-primary-dark);
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
}

.tag-chip-remove {
  background: none;
  border: none;
  color: var(--color-primary-light);
  font-size: 1rem;
  line-height: 1;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.tag-chip-remove:hover { color: var(--color-danger); }

.tag-input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 0.875rem;
  flex: 1;
  min-width: 80px;
  color: var(--color-text);
}

/* ---- Collapsible Sections ---- */
.collapsible-section {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  margin-bottom: 16px;
}

.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  cursor: pointer;
  user-select: none;
  background: var(--color-surface-2);
  border-bottom: 1px solid transparent;
  transition: background 0.15s;
}

.collapsible-header:hover { background: var(--color-gold-faint); }

.collapsible-header.open { border-bottom-color: var(--color-border); }

.collapsible-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.collapsible-arrow {
  color: var(--color-text-muted);
  transition: transform 0.2s;
  font-size: 0.85rem;
}

.collapsible-header.open .collapsible-arrow { transform: rotate(90deg); }

.collapsible-body { display: none; padding: 20px; }
.collapsible-body.open { display: block; }

/* ---- Party Sub-form ---- */
.party-form {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 16px;
  margin-bottom: 12px;
  position: relative;
}

.party-form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.party-form-label {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-primary);
}

/* ---- Installment Row ---- */
.installment-row {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 12px 14px;
  margin-bottom: 8px;
  cursor: grab;
  transition: box-shadow 0.15s;
}

.installment-row:active { cursor: grabbing; }
.installment-row.dragging { opacity: 0.5; box-shadow: var(--shadow-md); }
.installment-row.drag-over { border-color: var(--color-gold); background: var(--color-gold-faint); }

.installment-row-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.installment-num {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  min-width: 28px;
}

.installment-total-warning {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--border-radius);
  padding: 8px 14px;
  font-size: 0.85rem;
  color: #92400E;
  margin-top: 8px;
  display: none;
}
.installment-total-warning.visible { display: block; }

/* ---- File Upload Zone ---- */
.upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  color: var(--color-text-muted);
}

.upload-zone:hover, .upload-zone.drag-over {
  border-color: var(--color-gold);
  background: var(--color-gold-faint);
  color: var(--color-primary);
}

.upload-zone-icon { font-size: 2.5rem; margin-bottom: 8px; opacity: 0.5; }
.upload-zone p { font-size: 0.9rem; }
.upload-zone .upload-hint { font-size: 0.8rem; margin-top: 4px; }

/* ---- Search Bar ---- */
.search-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 0 14px;
  height: 38px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius);
  background: var(--color-surface);
  max-width: 400px;
  transition: border-color 0.15s;
}

.search-bar:focus-within {
  border-color: var(--color-primary);
}

.search-bar .search-icon {
  color: var(--color-text-muted);
  pointer-events: none;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.search-bar .form-control {
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  background: transparent;
  padding: 0;
  height: auto;
  font-size: 0.875rem;
  width: 280px;
  color: var(--color-text);
  text-align: left;
}

/* ---- Alert / Info boxes ---- */
.alert {
  border-radius: var(--border-radius);
  padding: 12px 16px;
  font-size: 0.875rem;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-info    { background: rgba(59, 130, 246, 0.08); color: #1D4ED8; border: 1px solid rgba(59, 130, 246, 0.2); }
.alert-warning { background: rgba(245, 158, 11, 0.08); color: #92400E; border: 1px solid rgba(245, 158, 11, 0.2); }
.alert-danger  { background: rgba(239, 68, 68, 0.08);  color: #B91C1C; border: 1px solid rgba(239, 68, 68, 0.2); }
.alert-success { background: rgba(34, 197, 94, 0.08);  color: #15803D; border: 1px solid rgba(34, 197, 94, 0.2); }

/* ---- Detail view ---- */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.detail-field { }
.detail-label { font-size: 0.78rem; font-weight: 600; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.detail-value { font-size: 0.925rem; color: var(--color-text); font-weight: 500; }
.detail-value.mono { font-family: var(--font-mono); }
.detail-value.large { font-size: 1.15rem; font-weight: 700; }

/* ---- VND currency display ---- */
.vnd-amount { font-family: var(--font-mono); font-weight: 600; }
.vnd-amount::after { content: ' ₫'; font-size: 0.85em; color: var(--color-text-muted); font-weight: 400; }

/* ---- Overdue/urgent colors in payment table ---- */
tr.row-overdue td { background: rgba(239, 68, 68, 0.04); }
tr.row-warning td  { background: rgba(245, 158, 11, 0.04); }

/* ---- Document upload dropzone (contract form) ---- */
.doc-dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
  padding: 28px 20px;
  text-align: center;
  background: var(--color-bg);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.doc-dropzone:hover,
.doc-dropzone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-gold-faint);
}