/* ===========================
   Installment Settlements – Shared Admin/Vendor UI
   Scoped to .installment-admin-page
   =========================== */
.installment-admin-page {
  --inst-bg: #ffffff;
  --inst-surface: #ffffff;
  --inst-border: #e5e7eb; /* Tailwind zinc-200 */
  --inst-muted: #64748b;  /* Tailwind slate-500 */
  --inst-text: #0f172a;   /* Tailwind slate-900 */
  --inst-primary: #3b82f6;
  --inst-primary-600: #2563eb;
  --inst-primary-700: #1d4ed8;
  --inst-danger: #ef4444;
  --inst-success: #10b981;
  --inst-warning: #f59e0b;
  --inst-radius: 12px;
  --inst-radius-lg: 16px;
  --inst-gap: 12px;
  --inst-shadow: 0 12px 30px -12px rgba(15, 23, 42, .25);
}

/* Dark mode (auto) */
@media (prefers-color-scheme: dark) {
  .installment-admin-page {
    --inst-bg: #0b1220;
    --inst-surface: #0e1726;
    --inst-border: #23314b;
    --inst-muted: #a3adc2;
    --inst-text: #e6edf3;
    --inst-shadow: 0 24px 50px -20px rgba(0,0,0,.6);
  }
  .installment-admin-page .wrap h1,
  .installment-admin-page .wrap h2,
  .installment-admin-page .wrap h3 { color: var(--inst-text); }
}

/* Base */
.installment-admin-page .wrap { color: var(--inst-text); }
.installment-admin-page .inst-muted { color: var(--inst-muted); }
.installment-admin-page .inst-help { color: var(--inst-muted); font-size: 12px; }

/* Cards / Surfaces */
.installment-admin-page .inst-card {
  background: var(--inst-surface);
  border: 1px solid var(--inst-border);
  border-radius: var(--inst-radius-lg);
  padding: 16px;
  box-shadow: var(--inst-shadow);
  margin: 0 0 16px;
}
.installment-admin-page .inst-card--tight { padding: 12px; }

/* Toolbar */
.installment-admin-page .inst-toolbar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  align-items: center;
  margin: 0 0 12px;
}
@media (max-width: 782px) {
  .installment-admin-page .inst-toolbar { grid-template-columns: 1fr; }
}
.installment-admin-page .inst-toolbar .inst-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* Search bar */
.installment-admin-page .inst-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--inst-surface);
  border: 1px solid var(--inst-border);
  border-radius: 999px;
  padding: 8px 12px;
}
.installment-admin-page .inst-search input[type="text"],
.installment-admin-page .inst-search input[type="search"] {
  border: none !important; outline: none !important; box-shadow: none !important;
  background: transparent; width: 100%; color: var(--inst-text);
}

/* Fancy buttons */
.installment-admin-page .inst-btn {
  appearance: none; -webkit-appearance: none;
  border: 1px solid var(--inst-border);
  background: #f8fafc; color: #0f172a;
  padding: 8px 12px; border-radius: 10px; font-weight: 600;
  cursor: pointer; transition: .15s ease;
}
.installment-admin-page .inst-btn:hover { transform: translateY(-1px); }
.installment-admin-page .inst-btn:active { transform: translateY(0); }
.installment-admin-page .inst-btn[disabled] { opacity: .6; cursor: not-allowed; }
.installment-admin-page .inst-btn--primary { color:#fff; background:var(--inst-primary); border-color:var(--inst-primary); }
.installment-admin-page .inst-btn--primary:hover { background: var(--inst-primary-600); }
.installment-admin-page .inst-btn--primary:active { background: var(--inst-primary-700); }
.installment-admin-page .inst-btn--danger { color:#fff; background:var(--inst-danger); border-color:var(--inst-danger); }
.installment-admin-page .inst-btn--ghost { background:transparent; border-color:var(--inst-border); }

/* Grid fields */
.installment-admin-page .inst-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--inst-gap);
}
.installment-admin-page .inst-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--inst-gap);
}
@media (max-width: 1024px) {
  .installment-admin-page .inst-grid,
  .installment-admin-page .inst-grid-3 { grid-template-columns: 1fr; }
}
.installment-admin-page .inst-form-row { display:flex; align-items:center; gap:8px; }
.installment-admin-page .inst-form-row label { min-width:180px; color:var(--inst-muted); }

/* Inputs */
.installment-admin-page .inst-card input[type="text"],
.installment-admin-page .inst-card input[type="number"],
.installment-admin-page .inst-card input[type="date"],
.installment-admin-page .inst-card select {
  width:100%;
  border-radius:10px; border:1px solid var(--inst-border);
  background:var(--inst-bg); color:var(--inst-text);
  padding:8px 10px; box-shadow:none; outline:none;
}
.installment-admin-page .inst-card input:focus,
.installment-admin-page .inst-card select:focus {
  border-color: var(--inst-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.15);
}

/* Table/List */
.installment-admin-page .inst-table {
  width:100%; border-collapse:collapse; background:var(--inst-surface);
  border:1px solid var(--inst-border); border-radius:var(--inst-radius);
  overflow:hidden;
}
.installment-admin-page .inst-table th,
.installment-admin-page .inst-table td {
  padding:12px 14px; border-bottom:1px solid var(--inst-border); text-align:start;
}
.installment-admin-page .inst-table th {
  background:#f8fafc; color:#334155; font-weight:700;
}
@media (prefers-color-scheme: dark) {
  .installment-admin-page .inst-table th { background:#0b1220; color:var(--inst-muted); }
}
.installment-admin-page .inst-cell-actions {
  display:flex; gap:6px; flex-wrap:wrap; justify-content:flex-end;
}
.installment-admin-page .inst-cell-actions .inst-btn { height:30px; padding:4px 10px; border-radius:8px; }

/* Badges / Chips / Status */
.installment-admin-page .inst-badge {
  display:inline-flex; align-items:center; gap:6px;
  font-size:12px; line-height:1; padding:6px 10px; border-radius:999px;
  background:#eef2ff; color:#3730a3; border:1px solid #e0e7ff;
}
.installment-admin-page .inst-badge--success { background:#ecfdf5; color:#065f46; border-color:#d1fae5; }
.installment-admin-page .inst-badge--warning { background:#fffbeb; color:#92400e; border-color:#fde68a; }
.installment-admin-page .inst-badge--danger  { background:#fef2f2; color:#991b1b; border-color:#fecaca; }

.installment-admin-page .inst-chip {
  display:inline-flex; align-items:center; padding:4px 8px; border-radius:999px;
  background:#f1f5f9; color:#475569; font-size:12px;
}

.installment-admin-page .inst-status-draft    { background:#f1f5f9; color:#334155; border:1px solid #e2e8f0; }
.installment-admin-page .inst-status-locked   { background:#fff7ed; color:#9a3412; border:1px solid #fed7aa; }
.installment-admin-page .inst-status-exported { background:#eef2ff; color:#3730a3; border:1px solid #e0e7ff; }
.installment-admin-page .inst-status-paid     { background:#ecfdf5; color:#065f46; border:1px solid #d1fae5; }
.installment-admin-page .inst-status-void     { background:#fee2e2; color:#991b1b; border:1px solid #fecaca; }

/* Empty state & Spinner */
.installment-admin-page .inst-empty {
  border:2px dashed var(--inst-border);
  border-radius:var(--inst-radius); padding:24px; text-align:center; color:var(--inst-muted);
}
.installment-admin-page .inst-spinner {
  width:20px; height:20px;
  border:2px solid var(--inst-border); border-top-color:var(--inst-primary);
  border-radius:50%; animation: inst-spin .8s linear infinite; display:inline-block;
}
@keyframes inst-spin { to { transform: rotate(360deg); } }

/* Pagination */
.installment-admin-page .inst-pager {
  display:flex; gap:6px; align-items:center; justify-content:flex-end; margin-top:10px;
}
.installment-admin-page .inst-pager .page-numbers {
  display:inline-flex; align-items:center; justify-content:center;
  min-width:32px; height:32px; padding:0 8px;
  border:1px solid var(--inst-border); border-radius:8px;
  background:var(--inst-bg); color:var(--inst-text); text-decoration:none; cursor:pointer;
}
.installment-admin-page .inst-pager .page-numbers.current {
  background:var(--inst-primary); color:#fff; border-color:var(--inst-primary);
}

/* Toast */
.installment-admin-page .inst-toast {
  position:fixed; inset-inline-end:18px; inset-block-end:18px; z-index:100001;
  background:#0ea5e9; color:#fff; padding:10px 12px; border-radius:10px; box-shadow:var(--inst-shadow);
  animation: inst-toast .2s ease both;
}
@keyframes inst-toast { from { opacity:0; transform: translateY(6px);} to { opacity:1; transform: translateY(0);} }

/* Modal (Popup) */
.installment-admin-page .inst-modal[hidden] { display:none !important; }
.installment-admin-page .inst-modal {
  position:fixed; inset:0; z-index:100000;
  display:none; align-items:center; justify-content:center;
  background: rgba(15,23,42,.55); backdrop-filter:saturate(140%) blur(2px);
  opacity:0; transition:opacity .18s ease; padding:24px;
}
.installment-admin-page .inst-modal.is-open,
.installment-admin-page .inst-modal[aria-hidden="false"] { display:flex; opacity:1; }
.installment-admin-page .inst-modal__dialog {
  width:min(96vw,780px); max-height:85vh; background:var(--inst-surface);
  border:1px solid var(--inst-border); border-radius:16px; box-shadow:var(--inst-shadow);
  overflow:hidden; transform: translateY(10px) scale(.98); transition: transform .18s ease;
  display:flex; flex-direction:column;
}
.installment-admin-page .inst-modal.is-open .inst-modal__dialog,
.installment-admin-page .inst-modal[aria-hidden="false"] .inst-modal__dialog {
  transform: translateY(0) scale(1);
}
.installment-admin-page .inst-modal__header {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 16px; border-bottom:1px solid var(--inst-border);
  background: linear-gradient(to bottom, rgba(2,6,23,.02), transparent);
}
.installment-admin-page .inst-modal__title { font-size:16px; font-weight:700; margin:0; }
.installment-admin-page .inst-modal__close {
  border:none; background:transparent; cursor:pointer; font-size:20px; line-height:1; color:var(--inst-muted);
}
.installment-admin-page .inst-modal__body {
  padding:16px; overflow:auto; max-height: calc(85vh - 112px);
  flex: 1 1 auto; overflow-wrap:anywhere;
}
.installment-admin-page .inst-modal__footer {
  display:flex; gap:8px; padding:12px 16px; border-top:1px solid var(--inst-border);
  background: linear-gradient(to top, rgba(2,6,23,.02), transparent);
}

/* RTL */
html[dir="rtl"] .installment-admin-page .inst-form-row label { min-width:180px; }
html[dir="rtl"] .installment-admin-page .inst-search { direction: rtl; }
html[dir="rtl"] .installment-admin-page .inst-cell-actions { justify-content:flex-start; }

/* Mobile refinements */
@media (max-width: 782px){
  .installment-admin-page .inst-modal__footer{ flex-direction:column; align-items:stretch; }
  .installment-admin-page .inst-modal__footer .inst-btn{ width:100%; }
}

/* Specific table tweaks for settlements lists */
#inst-table-admin .col-id, #inst-table-vendor .col-id { width: 72px; }
#inst-table-admin .col-actions, #inst-table-vendor .col-actions { width: 260px; }
#inst-table-admin .inst-badge, #inst-table-vendor .inst-badge { white-space:nowrap; }