/* Ported 1:1 from institution.html's :root / [data-theme="dark"] blocks so the visual
   result matches the original design exactly. */
:root {
  --c-bg: #f5f5f3;
  --c-surface: #ffffff;
  --c-surface-2: #fafaf8;
  --c-border: rgba(0,0,0,0.08);
  --c-border-strong: rgba(0,0,0,0.14);
  --c-text: #1a1a18;
  --c-text-2: #5a5a56;
  --c-text-3: #9a9994;
  --c-accent: #2563eb;
  --c-accent-bg: #eff6ff;
  --c-accent-text: #1d4ed8;
  --c-accent-border: #bfdbfe;
  --c-success: #16a34a;
  --c-success-bg: #f0fdf4;
  --c-success-text: #15803d;
  --c-success-border: #bbf7d0;
  --c-warning: #d97706;
  --c-warning-bg: #fffbeb;
  --c-warning-text: #b45309;
  --c-warning-border: #fde68a;
  --c-danger: #dc2626;
  --c-danger-bg: #fef2f2;
  --c-danger-text: #b91c1c;
  --c-danger-border: #fecaca;
  --c-purple: #7c3aed;
  --c-purple-bg: #f5f3ff;
  --c-purple-text: #6d28d9;
  --c-sidebar-w: 248px;
  --c-topbar-h: 56px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --transition: 0.15s ease;
}

[data-theme="dark"] {
  --c-bg: #15161a;
  --c-surface: #1c1d22;
  --c-surface-2: #202127;
  --c-border: rgba(255,255,255,0.08);
  --c-border-strong: rgba(255,255,255,0.14);
  --c-text: #f1f1ef;
  --c-text-2: #b3b3ad;
  --c-text-3: #76766f;
  --c-accent-bg: rgba(37,99,235,0.14);
  --c-success-bg: rgba(22,163,74,0.14);
  --c-warning-bg: rgba(217,119,6,0.14);
  --c-danger-bg: rgba(220,38,38,0.14);
  --c-purple-bg: rgba(124,58,237,0.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Vazirmatn', system-ui, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  direction: rtl;
}

.app { display: flex; height: 100vh; overflow: hidden; }
.sidebar { width: var(--c-sidebar-w); flex-shrink: 0; background: var(--c-surface); border-left: 1px solid var(--c-border); display: flex; flex-direction: column; }
.sidebar-brand { padding: 18px 16px 14px; border-bottom: 1px solid var(--c-border); display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 36px; height: 36px; background: linear-gradient(135deg,#2563eb 0%,#7c3aed 100%); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.brand-icon i { color: #fff; font-size: 18px; }
.brand-name { font-size: 15px; font-weight: 600; }
.brand-sub { font-size: 11px; color: var(--c-text-3); }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 10px; }
.nav-group-label { font-size: 10px; font-weight: 600; color: var(--c-text-3); padding: 8px 8px 4px; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: var(--radius-sm); color: var(--c-text-2); font-size: 13px; text-decoration: none; }
.nav-item i { font-size: 16px; width: 16px; }
.nav-item.active { background: var(--c-accent-bg); color: var(--c-accent-text); }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { height: var(--c-topbar-h); display: flex; align-items: center; padding: 0 16px; border-bottom: 1px solid var(--c-border); background: var(--c-surface); gap: 10px; }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--c-text-2); }
.topbar-spacer { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 6px; }
.icon-btn { width: 32px; height: 32px; border: 1px solid var(--c-border); background: transparent; border-radius: var(--radius-sm); cursor: pointer; color: var(--c-text-2); }
.content { flex: 1; overflow-y: auto; padding: 18px 20px; }

.page-hdr { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.page-title { font-size: 17px; font-weight: 600; }
.page-desc { font-size: 12px; color: var(--c-text-2); margin-top: 2px; }
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

.card { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); overflow: hidden; }
.mb-16 { margin-bottom: 16px; }
.card-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 14px; border-bottom: 1px solid var(--c-border); }
.card-title { display: flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; }
.dt-search { border: 1px solid var(--c-border-strong); border-radius: var(--radius-sm); padding: 6px 10px; font-size: 12px; background: var(--c-bg); color: var(--c-text); font-family: inherit; }

.tbl-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tbl th { text-align: right; padding: 9px 12px; color: var(--c-text-3); font-weight: 600; font-size: 11px; border-bottom: 1px solid var(--c-border); }
.tbl td { padding: 10px 12px; border-bottom: 1px solid var(--c-border); }
.dt-state { text-align: center; padding: 24px !important; color: var(--c-text-3); }
.dt-spin { animation: spin 0.8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.dt-row-actions { display: flex; gap: 4px; justify-content: flex-end; }
.dt-pager { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; border-top: 1px solid var(--c-border); font-size: 12px; color: var(--c-text-2); }
.dt-pager-btns { display: flex; gap: 6px; }

.badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 500; }
.b-accent { background: var(--c-accent-bg); color: var(--c-accent-text); }
.b-purple { background: var(--c-purple-bg); color: var(--c-purple-text); }
.b-gray { background: var(--c-surface-2); color: var(--c-text-2); border: 1px solid var(--c-border); }
.b-danger { background: var(--c-danger-bg); color: var(--c-danger-text); }
.b-success { background: var(--c-success-bg); color: var(--c-success-text); }
.b-warning { background: var(--c-warning-bg); color: var(--c-warning-text); }

.row-act-btn { width: 28px; height: 28px; border: 1px solid var(--c-border); background: var(--c-surface); border-radius: var(--radius-sm); cursor: pointer; color: var(--c-text-2); }
.row-act-btn.danger:hover { color: var(--c-danger); border-color: var(--c-danger-border); }

.form-section { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-lg); }
.form-head { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--c-border); font-size: 13px; font-weight: 600; }
.form-body { padding: 14px; }
.field label { display: block; font-size: 12px; color: var(--c-text-2); margin-bottom: 5px; }
.field input, .field select, .field textarea, .form-body input, .form-body select, .form-body textarea {
  width: 100%; height: 36px; border: 1px solid var(--c-border-strong); border-radius: var(--radius-sm);
  padding: 0 11px; font-size: 13px; background: var(--c-surface); color: var(--c-text); font-family: inherit; outline: none;
}
.form-body textarea { height: 80px; padding: 8px 11px; resize: vertical; }
.checkbox-label { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.form-actions { display: flex; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--c-border); }
.form-error { display: flex; align-items: center; gap: 6px; color: var(--c-danger-text); background: var(--c-danger-bg); border: 1px solid var(--c-danger-border); border-radius: var(--radius-sm); padding: 8px 10px; font-size: 12px; margin-top: 8px; }
.validation-message { color: var(--c-danger-text); font-size: 11px; display: block; margin-top: 3px; }

.btn { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border: 1px solid var(--c-border-strong); border-radius: var(--radius-sm); background: var(--c-surface); color: var(--c-text); font-size: 12.5px; cursor: pointer; font-family: inherit; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }
.btn-primary { background: var(--c-accent); border-color: var(--c-accent); color: #fff; }

.modal-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 10000; align-items: center; justify-content: center; }
.modal-backdrop.open { display: flex; }
.modal-box { background: var(--c-surface); border-radius: var(--radius-lg); width: 100%; max-height: 88vh; overflow-y: auto; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--c-border); }
.modal-title { display: flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; }
.modal-close { border: none; background: transparent; cursor: pointer; color: var(--c-text-2); }
.modal-body { padding: 16px; }
.modal-actions { display: flex; gap: 8px; margin-top: 16px; }
.confirm-icon { width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 10px; font-size: 20px; }
.confirm-text { text-align: center; font-size: 13px; color: var(--c-text-2); }

.toast-wrap { position: fixed; bottom: 20px; left: 20px; z-index: 60; display: flex; flex-direction: column; gap: 8px; }
.toast { display: flex; align-items: center; gap: 8px; background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 12.5px; box-shadow: 0 4px 14px rgba(0,0,0,0.12); }
.toast-success i { color: var(--c-success); }
.toast-error i { color: var(--c-danger); }
.toast-warning i { color: var(--c-warning); }
.toast-info i { color: var(--c-accent); }

/* Responsive: mobile card-style table, same breakpoint as the original (max-width: 768px) */
@media (max-width: 768px) {
  .tbl-wrap.responsive table, .tbl-wrap.responsive thead, .tbl-wrap.responsive tbody, .tbl-wrap.responsive tr, .tbl-wrap.responsive td { display: block; width: 100%; }
  .tbl-wrap.responsive thead { display: none; }
  .tbl-wrap.responsive tr { border: 1px solid var(--c-border); border-radius: var(--radius); margin-bottom: 10px; padding: 8px 10px; }
  .tbl-wrap.responsive td { display: flex; justify-content: space-between; padding: 6px 2px; border-bottom: none; }
  .tbl-wrap.responsive td::before { content: attr(data-label); color: var(--c-text-3); font-size: 11px; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* ── دیالوگ ایمپورت اکسل (هم‌الگو با geo-upload-zone در geo-module.css) ── */
.inst-upload-zone {
  border: 2px dashed var(--c-border-strong); border-radius: var(--radius-lg); padding: 22px 14px;
  text-align: center; color: var(--c-text-2); background: var(--c-surface-2);
}
.inst-upload-zone .ti { font-size: 26px; color: var(--c-text-3); display: block; margin-bottom: 6px; }
.inst-upload-zone .uz-sub { font-size: 11px; color: var(--c-text-3); margin-top: 4px; }
.inst-import-hint { font-size: 11px; color: var(--c-text-3); margin-top: 6px; }
.inst-import-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }