/* ==========================================================================
   Exam Module - scoped stylesheet
   Ported from the original static HTML template and adapted for the
   Faradanesh Blazor Server "Exams" module.
   - Every class is prefixed "exm-" to avoid collisions with global/Bootstrap
     styles already used in the host Faradanesh app (the source template used
     very generic names such as .btn, .card, .badge, .tab which WILL clash
     with Bootstrap if used as-is).
   - Every CSS custom property is prefixed "--exm-" for the same reason.
   - Every rule is scoped under the ".exm-scope" root wrapper (see
     ExamModuleShell.razor) instead of relying on <body>/<html> globally.
   - Dark mode is toggled via an ".exm-dark" class on that same root wrapper
     (instead of a global [data-theme] attribute on <html>), so this module's
     theme never fights with the rest of the app.
   ========================================================================== */

:root {
  --exm-c-bg: #f5f5f3;
  --exm-c-surface: #ffffff;
  --exm-c-surface-2: #fafaf8;
  --exm-c-border: rgba(0,0,0,0.08);
  --exm-c-border-strong: rgba(0,0,0,0.14);
  --exm-c-text: #1a1a18;
  --exm-c-text-2: #5a5a56;
  --exm-c-text-3: #9a9994;
  --exm-c-accent: #2563eb;
  --exm-c-accent-bg: #eff6ff;
  --exm-c-accent-text: #1d4ed8;
  --exm-c-accent-border: #bfdbfe;
  --exm-c-success: #16a34a;
  --exm-c-success-bg: #f0fdf4;
  --exm-c-success-text: #15803d;
  --exm-c-success-border: #bbf7d0;
  --exm-c-warning: #d97706;
  --exm-c-warning-bg: #fffbeb;
  --exm-c-warning-text: #b45309;
  --exm-c-warning-border: #fde68a;
  --exm-c-danger: #dc2626;
  --exm-c-danger-bg: #fef2f2;
  --exm-c-danger-text: #b91c1c;
  --exm-c-danger-border: #fecaca;
  --exm-c-purple: #7c3aed;
  --exm-c-purple-bg: #f5f3ff;
  --exm-c-purple-text: #6d28d9;
  --exm-c-sidebar-w: 248px;
  --exm-c-topbar-h: 56px;
  --exm-radius-sm: 6px;
  --exm-radius: 10px;
  --exm-radius-lg: 14px;
  --exm-transition: 0.15s ease;
  --exm-safe-b: env(safe-area-inset-bottom, 0px);
  --exm-safe-t: env(safe-area-inset-top, 0px);
}

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

.exm-scope, .exm-scope * { box-sizing: border-box; }
.exm-scope button, .exm-scope input, .exm-scope select, .exm-scope textarea { -webkit-tap-highlight-color: transparent; font-family: inherit; }

.exm-scope {
  font-family: 'Vazirmatn', system-ui, sans-serif;
  background: var(--exm-c-bg);
  color: var(--exm-c-text);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--exm-transition), color var(--exm-transition);
}

/* ── Layout ── */
.exm-app { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ── */
.exm-sidebar {
  width: var(--exm-c-sidebar-w);
  flex-shrink: 0;
  background: var(--exm-c-surface);
  border-left: 1px solid var(--exm-c-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 10;
  transition: transform 0.25s ease;
}

.exm-sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 19;
  backdrop-filter: blur(1px);
}

.exm-sidebar-close {
  display: none;
  width: 30px; height: 30px;
  border: none; background: var(--exm-c-bg);
  border-radius: var(--exm-radius-sm);
  align-items: center; justify-content: center;
  color: var(--exm-c-text-2);
  margin-right: auto;
  flex-shrink: 0;
  cursor: pointer;
}

.exm-hamburger-btn {
  display: none;
  width: 34px; height: 34px;
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-sm);
  background: transparent;
  align-items: center; justify-content: center;
  cursor: pointer; color: var(--exm-c-text-2); flex-shrink: 0;
}
.exm-hamburger-btn i { font-size: 19px; }

.exm-sidebar-brand {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--exm-c-border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.exm-brand-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  border-radius: var(--exm-radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.exm-brand-icon i { color: #fff; font-size: 18px; }

.exm-brand-name { font-size: 15px; font-weight: 600; color: var(--exm-c-text); letter-spacing: -0.01em; }
.exm-brand-sub { font-size: 11px; color: var(--exm-c-text-3); margin-top: 1px; }

.exm-sidebar-search {
  padding: 10px 12px;
  border-bottom: 1px solid var(--exm-c-border);
}

.exm-search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--exm-c-bg);
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-sm);
  padding: 7px 10px;
  cursor: text;
  transition: border-color var(--exm-transition);
}
.exm-search-box:hover { border-color: var(--exm-c-border-strong); }
.exm-search-box i { font-size: 14px; color: var(--exm-c-text-3); flex-shrink: 0; }
.exm-search-box span { font-size: 12px; color: var(--exm-c-text-3); }
.exm-search-box .exm-kbd-hint {
  margin-right: auto;
  font-size: 10px; color: var(--exm-c-text-3);
  border: 1px solid var(--exm-c-border-strong);
  border-radius: 4px; padding: 1px 5px;
  font-family: system-ui, sans-serif;
}

.exm-sidebar-nav { flex: 1; overflow-y: auto; padding: 8px 10px; scrollbar-width: thin; }

.exm-nav-group { margin-bottom: 2px; }
.exm-nav-group-label {
  font-size: 10px; font-weight: 600; color: var(--exm-c-text-3);
  padding: 8px 8px 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.exm-nav-item {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px;
  border-radius: var(--exm-radius-sm);
  cursor: pointer;
  color: var(--exm-c-text-2);
  font-size: 13px;
  font-weight: 400;
  transition: background var(--exm-transition), color var(--exm-transition);
  position: relative;
  user-select: none;
}
.exm-nav-item i { font-size: 16px; flex-shrink: 0; width: 16px; }
.exm-nav-item:hover { background: var(--exm-c-bg); color: var(--exm-c-text); }
.exm-nav-item.exm-active {
  background: var(--exm-c-accent-bg);
  color: var(--exm-c-accent-text);
  font-weight: 500;
}
.exm-nav-item.exm-active i { color: var(--exm-c-accent); }

.exm-nav-badge {
  margin-right: auto;
  background: var(--exm-c-accent);
  color: #fff;
  font-size: 10px; font-weight: 600;
  padding: 1px 6px;
  border-radius: 20px;
}

.exm-sidebar-footer {
  padding: 10px 12px;
  border-top: 1px solid var(--exm-c-border);
}

.exm-user-row {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px;
  border-radius: var(--exm-radius-sm);
  cursor: pointer;
  transition: background var(--exm-transition);
}
.exm-user-row:hover { background: var(--exm-c-bg); }

.exm-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: #fff;
  flex-shrink: 0;
}

.exm-user-name { font-size: 12px; font-weight: 500; }
.exm-user-role { font-size: 11px; color: var(--exm-c-text-3); }
.exm-user-row .ti-dots-vertical { font-size: 14px; color: var(--exm-c-text-3); margin-right: auto; }

/* ── Main area ── */
.exm-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }

/* ── Topbar ── */
.exm-topbar {
  height: var(--exm-c-topbar-h);
  background: var(--exm-c-surface);
  border-bottom: 1px solid var(--exm-c-border);
  display: flex; align-items: center;
  padding: 0 24px; gap: 12px;
  flex-shrink: 0;
}

.exm-breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--exm-c-text-3);
}
.exm-breadcrumb i { font-size: 13px; }
.exm-breadcrumb .exm-cur { color: var(--exm-c-text); font-weight: 500; font-size: 13px; }

.exm-topbar-spacer { flex: 1; }

.exm-topbar-actions { display: flex; align-items: center; gap: 8px; }

.exm-icon-btn {
  width: 34px; height: 34px;
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-sm);
  background: transparent;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--exm-c-text-2);
  transition: background var(--exm-transition), border-color var(--exm-transition);
  position: relative;
}
.exm-icon-btn:hover { background: var(--exm-c-bg); border-color: var(--exm-c-border-strong); color: var(--exm-c-text); }
.exm-icon-btn i { font-size: 17px; }

.exm-notif-dot {
  position: absolute; top: 6px; right: 6px;
  width: 7px; height: 7px;
  background: var(--exm-c-danger);
  border-radius: 50%;
  border: 1.5px solid var(--exm-c-surface);
}

.exm-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 0 14px; height: 34px;
  border-radius: var(--exm-radius-sm);
  border: 1px solid var(--exm-c-border-strong);
  background: transparent;
  color: var(--exm-c-text);
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--exm-transition), border-color var(--exm-transition);
  white-space: nowrap;
}
.exm-btn:hover { background: var(--exm-c-bg); }
.exm-btn i { font-size: 14px; }

.exm-btn-primary {
  background: var(--exm-c-accent);
  border-color: var(--exm-c-accent);
  color: #fff;
}
.exm-btn-primary:hover { background: #1d4ed8; border-color: #1d4ed8; }

/* ── Content ── */
.exm-content {
  flex: 1; overflow-y: auto;
  padding: 24px;
  scrollbar-width: thin;
}

/* ── Page header ── */
.exm-page-hdr {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 24px;
}
.exm-page-title { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.exm-page-desc { font-size: 13px; color: var(--exm-c-text-3); margin-top: 3px; }

/* ── Stats grid ── */
.exm-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.exm-stat-card {
  background: var(--exm-c-surface);
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-lg);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
  transition: border-color var(--exm-transition);
}
.exm-stat-card:hover { border-color: var(--exm-c-border-strong); }

.exm-stat-icon {
  width: 38px; height: 38px;
  border-radius: var(--exm-radius);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.exm-stat-icon i { font-size: 19px; }

.exm-stat-icon.exm-blue { background: var(--exm-c-accent-bg); }
.exm-stat-icon.exm-blue i { color: var(--exm-c-accent); }
.exm-stat-icon.exm-green { background: var(--exm-c-success-bg); }
.exm-stat-icon.exm-green i { color: var(--exm-c-success); }
.exm-stat-icon.exm-purple { background: var(--exm-c-purple-bg); }
.exm-stat-icon.exm-purple i { color: var(--exm-c-purple); }
.exm-stat-icon.exm-amber { background: #fffbeb; }
.exm-stat-icon.exm-amber i { color: var(--exm-c-warning); }

.exm-stat-val { font-size: 26px; font-weight: 600; letter-spacing: -0.03em; margin-bottom: 4px; }
.exm-stat-label { font-size: 12px; color: var(--exm-c-text-2); }
.exm-stat-change { font-size: 11px; margin-top: 8px; display: flex; align-items: center; gap: 4px; }
.exm-stat-change.exm-up { color: var(--exm-c-success); }
.exm-stat-change.exm-neutral { color: var(--exm-c-text-3); }
.exm-stat-change i { font-size: 12px; }

/* ── Card ── */
.exm-card {
  background: var(--exm-c-surface);
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-lg);
  overflow: hidden;
}

.exm-card-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--exm-c-border);
  display: flex; align-items: center; justify-content: space-between;
}
.exm-card-title {
  font-size: 13px; font-weight: 600;
  display: flex; align-items: center; gap: 7px;
  color: var(--exm-c-text);
}
.exm-card-title i { font-size: 15px; color: var(--exm-c-accent); }
.exm-card-body { padding: 20px; }

/* ── Grid ── */
.exm-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.exm-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.exm-mb-16 { margin-bottom: 16px; }

/* ── Table ── */
.exm-tbl-wrap { overflow-x: auto; }

table.exm-tbl {
  width: 100%; border-collapse: collapse;
  font-size: 12px; table-layout: fixed;
}
table.exm-tbl th {
  text-align: right; padding: 10px 14px;
  color: var(--exm-c-text-3); font-weight: 600; font-size: 11px;
  border-bottom: 1px solid var(--exm-c-border);
  background: var(--exm-c-bg);
  letter-spacing: 0.02em;
}
table.exm-tbl td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--exm-c-border);
  color: var(--exm-c-text);
  vertical-align: middle;
}
table.exm-tbl tr:last-child td { border-bottom: none; }
table.exm-tbl tr:hover td { background: var(--exm-c-bg); }

/* ── Badge ── */
.exm-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 11px; font-weight: 600;
  border: 1px solid transparent;
  white-space: nowrap;
}
.exm-badge i { font-size: 11px; }
.exm-b-success { background: var(--exm-c-success-bg); color: var(--exm-c-success-text); border-color: var(--exm-c-success-border); }
.exm-b-accent  { background: var(--exm-c-accent-bg);  color: var(--exm-c-accent-text);  border-color: var(--exm-c-accent-border); }
.exm-b-warning { background: var(--exm-c-warning-bg); color: var(--exm-c-warning-text); border-color: var(--exm-c-warning-border); }
.exm-b-danger  { background: var(--exm-c-danger-bg);  color: var(--exm-c-danger-text);  border-color: var(--exm-c-danger-border); }
.exm-b-purple  { background: var(--exm-c-purple-bg);  color: var(--exm-c-purple-text);  border-color: #ddd6fe; }
.exm-b-gray    { background: #f4f4f2; color: #5a5a56; border-color: #e0e0dc; }

/* ── Form ── */
.exm-form-section {
  background: var(--exm-c-surface);
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
}
.exm-form-head {
  padding: 14px 20px;
  border-bottom: 1px solid var(--exm-c-border);
  display: flex; align-items: center; gap: 8px;
  background: var(--exm-c-bg);
}
.exm-form-head i { font-size: 15px; color: var(--exm-c-accent); }
.exm-form-head-title { font-size: 13px; font-weight: 600; }
.exm-form-body { padding: 20px; }

.exm-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.exm-form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.exm-form-grid-4 { display: grid; grid-template-columns: 1fr 1fr 1fr 1fr; gap: 14px; }

.exm-field { display: flex; flex-direction: column; gap: 5px; }
.exm-field label { font-size: 11px; font-weight: 600; color: var(--exm-c-text-2); letter-spacing: 0.02em; }

.exm-field input, .exm-field select, .exm-field textarea {
  height: 36px;
  border: 1px solid var(--exm-c-border-strong);
  border-radius: var(--exm-radius-sm);
  padding: 0 11px;
  font-size: 13px;
  background: var(--exm-c-surface);
  color: var(--exm-c-text);
  font-family: inherit;
  outline: none;
  transition: border-color var(--exm-transition), box-shadow var(--exm-transition);
}
.exm-field input:focus, .exm-field select:focus, .exm-field textarea:focus {
  border-color: var(--exm-c-accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.exm-field textarea { height: 80px; padding: 10px 11px; resize: none; }
.exm-field input::placeholder { color: var(--exm-c-text-3); }

.exm-form-actions { display: flex; align-items: center; gap: 8px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--exm-c-border); }

/* ── Inline editable table rows (exam resources etc.) ── */
.exm-tbl-input, .exm-tbl-select {
  width: 100%; height: 30px; border: 1px solid var(--exm-c-border-strong);
  border-radius: var(--exm-radius-sm); padding: 0 8px; font-size: 12px;
  background: var(--exm-c-surface); color: var(--exm-c-text); font-family: inherit;
}
.exm-tbl-input:focus, .exm-tbl-select:focus { border-color: var(--exm-c-accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.exm-tbl-row-del { width: 26px; height: 26px; border-radius: var(--exm-radius-sm); border: 1px solid var(--exm-c-border-strong); background: transparent; color: var(--exm-c-danger); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.exm-tbl-row-del:hover { background: var(--exm-c-danger-bg, #fef2f2); }


/* ── Tabs ── */
.exm-tabs {
  display: flex; gap: 0;
  border-bottom: 1px solid var(--exm-c-border);
  margin-bottom: 20px;
}
.exm-tab {
  padding: 10px 16px;
  font-size: 13px; font-weight: 500;
  color: var(--exm-c-text-3);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--exm-transition), border-color var(--exm-transition);
}
.exm-tab:hover { color: var(--exm-c-text); }
.exm-tab.exm-active { color: var(--exm-c-accent); border-bottom-color: var(--exm-c-accent); }

/* ── Tree ── */
.exm-tree { font-size: 13px; }
.exm-tree-node {
  display: flex; align-items: center; gap: 7px;
  padding: 7px 10px;
  border-radius: var(--exm-radius-sm);
  cursor: pointer;
  transition: background var(--exm-transition);
}
.exm-tree-node:hover { background: var(--exm-c-bg); }
.exm-tree-node i { font-size: 14px; color: var(--exm-c-text-3); flex-shrink: 0; }
.exm-tree-node.exm-root { font-weight: 500; color: var(--exm-c-text); }
.exm-tree-node.exm-child { padding-right: 28px; color: var(--exm-c-text-2); }
.exm-tree-node.exm-grandchild { padding-right: 46px; color: var(--exm-c-text-3); }
.exm-tree-node .exm-node-count { margin-right: auto; font-size: 11px; color: var(--exm-c-text-3); background: var(--exm-c-bg); padding: 1px 6px; border-radius: 10px; border: 1px solid var(--exm-c-border); }

/* ── Chart bars ── */
.exm-bar-chart { display: flex; align-items: flex-end; gap: 4px; height: 80px; padding: 0 4px; }
.exm-bar { flex: 1; border-radius: 4px 4px 0 0; background: var(--exm-c-accent-bg); border: 1px solid var(--exm-c-accent-border); border-bottom: none; transition: background var(--exm-transition); cursor: pointer; }
.exm-bar:hover { background: var(--exm-c-accent); border-color: var(--exm-c-accent); }
.exm-bar.exm-active { background: var(--exm-c-accent); border-color: var(--exm-c-accent); }
.exm-bar-labels { display: flex; justify-content: space-between; padding: 6px 4px 0; }
.exm-bar-label { font-size: 10px; color: var(--exm-c-text-3); text-align: center; flex: 1; }

/* ── Progress ── */
.exm-prog-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.exm-prog-label { font-size: 12px; color: var(--exm-c-text-2); width: 72px; flex-shrink: 0; text-align: right; }
.exm-prog-track { flex: 1; height: 6px; background: var(--exm-c-bg); border-radius: 3px; border: 1px solid var(--exm-c-border); overflow: hidden; }
.exm-prog-fill { height: 100%; border-radius: 2px; background: var(--exm-c-accent); }
.exm-prog-fill.exm-green { background: var(--exm-c-success); }
.exm-prog-fill.exm-purple { background: var(--exm-c-purple); }
.exm-prog-val { font-size: 11px; font-weight: 600; color: var(--exm-c-text-2); width: 30px; text-align: left; }

/* ── Activity feed ── */
.exm-activity-item {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--exm-c-border);
}
.exm-activity-item:last-child { border-bottom: none; }
.exm-activity-dot {
  width: 32px; height: 32px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.exm-activity-dot i { font-size: 15px; }
.exm-act-text { font-size: 12px; color: var(--exm-c-text); line-height: 1.5; }
.exm-act-text strong { font-weight: 600; }
.exm-act-time { font-size: 11px; color: var(--exm-c-text-3); margin-top: 3px; }
.exm-act-status { margin-right: auto; }

/* ── Weekday grid ── */
.exm-week-grid { display: grid; grid-template-columns: 64px repeat(7, 1fr); font-size: 11px; }
.exm-week-head { text-align: center; padding: 8px 4px; font-weight: 600; color: var(--exm-c-text-2); border-bottom: 1px solid var(--exm-c-border); }
.exm-week-head.exm-time-col { color: var(--exm-c-text-3); }
.exm-week-cell {
  padding: 3px;
  border-bottom: 1px solid var(--exm-c-border);
  border-right: 1px solid var(--exm-c-border);
}
.exm-week-cell.exm-time-col { padding: 6px 8px; color: var(--exm-c-text-3); text-align: left; border-right: 1px solid var(--exm-c-border-strong); }
.exm-week-slot {
  height: 28px;
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 500;
  cursor: pointer;
  transition: opacity 0.1s;
}
.exm-week-slot:hover { opacity: 0.8; }
.exm-slot-free { background: var(--exm-c-success-bg); color: var(--exm-c-success-text); border: 1px solid var(--exm-c-success-border); }
.exm-slot-class { background: var(--exm-c-accent-bg); color: var(--exm-c-accent-text); border: 1px solid var(--exm-c-accent-border); }
.exm-slot-rest { background: var(--exm-c-warning-bg); color: var(--exm-c-warning-text); border: 1px solid var(--exm-c-warning-border); }
.exm-slot-misc { background: #f4f4f2; color: #5a5a56; border: 1px solid #e0e0dc; }
.exm-slot-empty { background: transparent; }

/* ── Pages ── */
.exm-page { display: none; }
.exm-page.exm-active { display: block; }

/* ── Mini avatar table ── */
.exm-mini-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 600; color: #fff;
  vertical-align: middle;
}

/* ── Divider ── */
.exm-divider { height: 1px; background: var(--exm-c-border); margin: 16px 0; }

/* ── Empty state ── */
.exm-empty {
  text-align: center; padding: 40px 20px; color: var(--exm-c-text-3);
}
.exm-empty i { font-size: 36px; margin-bottom: 10px; display: block; opacity: 0.4; }
.exm-empty p { font-size: 13px; }

/* ── Toast ── */
.exm-toast-wrap { position: fixed; bottom: 24px; left: 24px; z-index: 1000; display: flex; flex-direction: column; gap: 8px; }
.exm-toast {
  display: flex; align-items: center; gap: 10px;
  background: var(--exm-c-text);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--exm-radius);
  font-size: 13px; font-weight: 500;
  animation: slideUp 0.25s ease;
}
.exm-toast i { font-size: 16px; }
@keyframes slideUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ── Dropdown panel (notifications) ── */
.exm-dropdown-wrap { position: relative; }
.exm-dropdown-panel {
  display: none;
  position: absolute; left: 0; top: calc(100% + 8px);
  width: 300px;
  background: var(--exm-c-surface);
  border: 1px solid var(--exm-c-border);
  border-radius: var(--exm-radius-lg);
  box-shadow: 0 12px 32px rgba(0,0,0,0.14);
  z-index: 60;
  overflow: hidden;
}
.exm-dropdown-panel.exm-open { display: block; animation: slideUp 0.18s ease; }
.exm-dropdown-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; border-bottom: 1px solid var(--exm-c-border);
  font-size: 12px; font-weight: 600;
}
.exm-link-btn { background: none; border: none; color: var(--exm-c-accent); font-size: 11px; cursor: pointer; font-family: inherit; }
.exm-notif-item { display: flex; gap: 10px; padding: 11px 14px; border-bottom: 1px solid var(--exm-c-border); cursor: pointer; }
.exm-notif-item:last-child { border-bottom: none; }
.exm-notif-item:hover { background: var(--exm-c-bg); }
.exm-notif-ico { width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.exm-notif-ico i { font-size: 14px; }
.exm-notif-ico.exm-blue { background: var(--exm-c-accent-bg); color: var(--exm-c-accent); }
.exm-notif-ico.exm-amber { background: var(--exm-c-warning-bg); color: var(--exm-c-warning); }
.exm-notif-ico.exm-red { background: var(--exm-c-danger-bg); color: var(--exm-c-danger); }
.exm-notif-text { font-size: 12px; color: var(--exm-c-text); line-height: 1.5; }
.exm-notif-time { font-size: 10px; color: var(--exm-c-text-3); margin-top: 2px; }

/* ── Command palette (search) ── */
.exm-cmdk-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(20,20,18,0.5);
  z-index: 10000;
  align-items: flex-start; justify-content: center;
  padding: 12vh 16px 16px;
}
.exm-cmdk-backdrop.exm-open { display: flex; }
.exm-cmdk-box {
  width: 100%; max-width: 560px;
  background: var(--exm-c-surface);
  border-radius: var(--exm-radius-lg);
  border: 1px solid var(--exm-c-border);
  box-shadow: 0 24px 64px rgba(0,0,0,0.3);
  overflow: hidden;
  max-height: 70vh; display: flex; flex-direction: column;
}
.exm-cmdk-input-row { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--exm-c-border); }
.exm-cmdk-input-row i { font-size: 17px; color: var(--exm-c-text-3); }
.exm-cmdk-input-row input { flex: 1; border: none; outline: none; background: transparent; font-size: 15px; color: var(--exm-c-text); font-family: inherit; }
.exm-cmdk-esc { font-size: 10px; color: var(--exm-c-text-3); border: 1px solid var(--exm-c-border-strong); border-radius: 4px; padding: 2px 6px; flex-shrink: 0; }
.exm-cmdk-list { overflow-y: auto; padding: 8px; }
.exm-cmdk-group-label { font-size: 10px; font-weight: 600; color: var(--exm-c-text-3); padding: 8px 10px 4px; text-transform: uppercase; letter-spacing: 0.04em; }
.exm-cmdk-item { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: var(--exm-radius-sm); cursor: pointer; font-size: 13px; color: var(--exm-c-text); }
.exm-cmdk-item:hover, .exm-cmdk-item.exm-sel { background: var(--exm-c-accent-bg); color: var(--exm-c-accent-text); }
.exm-cmdk-item i { font-size: 16px; width: 16px; color: var(--exm-c-text-3); }
.exm-cmdk-item:hover i, .exm-cmdk-item.exm-sel i { color: var(--exm-c-accent); }
.exm-cmdk-empty { padding: 30px; text-align: center; color: var(--exm-c-text-3); font-size: 12px; }

/* ── Generic Modal (CRUD: add / edit / view / confirm) ── */
.exm-modal-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,15,14,0.5);
  z-index: 10000;
  align-items: center; justify-content: center;
  padding: 20px;
}
.exm-modal-backdrop.exm-open { display: flex; animation: fadeIn 0.15s ease; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.exm-modal-box {
  width: 100%; max-width: 560px;
  background: var(--exm-c-surface);
  border-radius: var(--exm-radius-lg);
  border: 1px solid var(--exm-c-border);
  box-shadow: 0 24px 64px rgba(0,0,0,0.32);
  max-height: 88vh;
  display: flex; flex-direction: column;
  overflow: hidden;
  animation: modalPop 0.18s ease;
}
@keyframes modalPop { from { opacity: 0; transform: translateY(10px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
.exm-modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--exm-c-border); flex-shrink: 0;
}
.exm-modal-title { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.exm-modal-close {
  width: 30px; height: 30px; border: none; background: var(--exm-c-bg);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--exm-c-text-2); cursor: pointer; flex-shrink: 0;
}
.exm-modal-close:hover { background: var(--exm-c-border); color: var(--exm-c-text); }
.exm-modal-body { padding: 20px; overflow-y: auto; }
.exm-modal-body .exm-form-section { border: none; border-radius: 0; }
.exm-modal-body .exm-form-head { display: none; }
.exm-modal-body .exm-form-body { padding: 0; }

/* view-row list */
.exm-view-list { display: flex; flex-direction: column; gap: 0; }
.exm-view-row { display: flex; justify-content: space-between; gap: 14px; padding: 11px 0; border-bottom: 1px solid var(--exm-c-border); font-size: 13px; }
.exm-view-row:last-child { border-bottom: none; }
.exm-view-row .exm-vk { color: var(--exm-c-text-3); flex-shrink: 0; }
.exm-view-row .exm-vv { color: var(--exm-c-text); font-weight: 500; text-align: left; }

.exm-confirm-icon {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--exm-c-danger-bg); color: var(--exm-c-danger);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 14px;
}
.exm-confirm-icon i { font-size: 26px; }
.exm-confirm-text { text-align: center; font-size: 13px; color: var(--exm-c-text-2); line-height: 1.7; margin-bottom: 4px; }
.exm-confirm-text strong { color: var(--exm-c-text); }
.exm-modal-actions { display: flex; gap: 8px; margin-top: 20px; }
.exm-modal-actions .exm-btn { flex: 1; justify-content: center; }

.exm-upload-zone {
  border: 1.5px dashed var(--exm-c-border-strong);
  border-radius: var(--exm-radius-lg);
  padding: 32px 16px; text-align: center; color: var(--exm-c-text-3);
  cursor: pointer; transition: border-color var(--exm-transition), background var(--exm-transition);
}
.exm-upload-zone:hover, .exm-upload-zone.exm-drag { border-color: var(--exm-c-accent); background: var(--exm-c-accent-bg); color: var(--exm-c-accent-text); }
.exm-upload-zone i { font-size: 30px; display: block; margin-bottom: 10px; }
.exm-upload-zone .exm-uz-sub { font-size: 11px; margin-top: 4px; }

/* ── Row action buttons (auto-injected) ── */
td.exm-row-actions { white-space: nowrap; }
.exm-row-act-btn {
  width: 27px; height: 27px;
  border: 1px solid var(--exm-c-border);
  background: var(--exm-c-surface);
  border-radius: var(--exm-radius-sm);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--exm-c-text-2); cursor: pointer; margin-inline-start: 4px;
  transition: background var(--exm-transition), border-color var(--exm-transition), color var(--exm-transition);
}
.exm-row-act-btn:first-child { margin-inline-start: 0; }
.exm-row-act-btn i { font-size: 14px; }
.exm-row-act-btn:hover { background: var(--exm-c-accent-bg); border-color: var(--exm-c-accent-border); color: var(--exm-c-accent); }
.exm-row-act-btn.exm-danger:hover { background: var(--exm-c-danger-bg); border-color: var(--exm-c-danger-border); color: var(--exm-c-danger); }
tr.exm-row-removing { opacity: 0; transform: scale(0.97); transition: opacity 0.25s ease, transform 0.25s ease; }

@media (max-width: 720px) {
  .exm-modal-backdrop { padding: 0; align-items: flex-end; }
  .exm-modal-box {
    max-width: 100%; max-height: 92vh;
    border-radius: 18px 18px 0 0;
    animation: sheetUp 0.22s ease;
  }
  @keyframes sheetUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
  .exm-modal-body { padding: 16px; }
  td.exm-row-actions { display: flex !important; justify-content: flex-start !important; gap: 6px; }
  td.exm-row-actions::before { display: none; }
}

/* ── FAB (mobile primary action) ── */
.exm-fab {
  display: none;
  position: fixed; bottom: calc(20px + var(--exm-safe-b)); left: 18px;
  width: 54px; height: 54px; border-radius: 50%;
  background: var(--exm-c-accent); color: #fff; border: none;
  align-items: center; justify-content: center;
  box-shadow: 0 8px 22px rgba(37,99,235,0.4);
  z-index: 40; cursor: pointer;
}
.exm-fab i { font-size: 24px; }

/* ── Mobile bottom nav ── */
.exm-bottom-nav {
  display: none;
  position: fixed; bottom: 0; right: 0; left: 0;
  background: var(--exm-c-surface);
  border-top: 1px solid var(--exm-c-border);
  padding: 6px 4px calc(6px + var(--exm-safe-b));
  z-index: 30;
  align-items: stretch; justify-content: space-around;
}
.exm-bnav-item {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  color: var(--exm-c-text-3); font-size: 10px; flex: 1; padding: 4px 0;
  border-radius: var(--exm-radius-sm); cursor: pointer;
}
.exm-bnav-item i { font-size: 19px; }
.exm-bnav-item.exm-active { color: var(--exm-c-accent); }

/* ── Mobile table-card view ── */
.exm-mtable-cards { display: none; }

/* ════════════════════════════════════════
   RESPONSIVE — TABLET
   ════════════════════════════════════════ */
@media (max-width: 1024px) {
  .exm-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .exm-grid-3 { grid-template-columns: 1fr 1fr; }
  .exm-form-grid-4 { grid-template-columns: 1fr 1fr; }

  .exm-sidebar {
    position: fixed; top: 0; right: 0; bottom: 0;
    transform: translateX(100%);
    box-shadow: -12px 0 32px rgba(0,0,0,0.18);
  }
  .exm-sidebar.exm-open { transform: translateX(0); }
  .exm-sidebar-overlay.exm-open { display: block; }
  .exm-sidebar-close { display: flex; }
  .exm-hamburger-btn { display: flex; }
  .exm-console-desktop { display: none; }
}

/* ════════════════════════════════════════
   RESPONSIVE — MOBILE
   ════════════════════════════════════════ */
@media (max-width: 720px) {
  body { font-size: 13.5px; }
  .exm-app { height: 100dvh; }

  .exm-topbar { padding: 0 12px; gap: 8px; height: calc(var(--exm-c-topbar-h) + var(--exm-safe-t)); padding-top: var(--exm-safe-t); }
  .exm-breadcrumb .exm-cur { font-size: 13px; }
  .exm-breadcrumb { gap: 5px; }
  .exm-topbar-actions { gap: 5px; }
  .exm-icon-btn { width: 32px; height: 32px; }
  .exm-help-desktop { display: none; }
  #primary-btn span { display: none; }
  #primary-btn { width: 36px; height: 36px; padding: 0; justify-content: center; border-radius: 50%; }
  #primary-btn i { font-size: 18px; }
  .exm-mobile-search-btn { display: flex; }

  .exm-sidebar-search { display: none; }

  .exm-content { padding: 14px 14px calc(86px + var(--exm-safe-b)); }
  .exm-page-hdr { flex-direction: column; align-items: stretch; gap: 12px; margin-bottom: 16px; }
  .exm-page-hdr > div[style] { width: 100%; }
  .exm-page-hdr > div:first-child > .exm-page-title { font-size: 17px; }
  .exm-page-hdr .exm-btn, .exm-page-hdr > div[style*="flex"] { width: 100%; }
  .exm-page-hdr > div[style*="display:flex"] { flex-wrap: wrap; }
  .exm-page-hdr > div[style*="display:flex"] .exm-btn { flex: 1; justify-content: center; }
  .exm-page-hdr > button.exm-btn-primary { width: 100%; justify-content: center; }

  .exm-stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .exm-stat-card { padding: 14px 14px; border-radius: var(--exm-radius); }
  .exm-stat-icon { width: 32px; height: 32px; margin-bottom: 10px; }
  .exm-stat-val { font-size: 20px; }
  .exm-stat-label { font-size: 11px; }
  .exm-stat-change { font-size: 10px; }

  .exm-grid-2, .exm-grid-3 { grid-template-columns: 1fr; gap: 12px; }
  .exm-form-grid, .exm-form-grid-3, .exm-form-grid-4 { grid-template-columns: 1fr; }

  .exm-card-head { padding: 13px 14px; }
  .exm-card-body { padding: 14px; }
  .exm-form-body { padding: 14px; }
  .exm-form-head { padding: 12px 14px; }

  /* tables → stacked cards */
  .exm-tbl-wrap.exm-responsive table.exm-tbl thead { display: none; }
  .exm-tbl-wrap.exm-responsive table.exm-tbl, .exm-tbl-wrap.exm-responsive table.exm-tbl tbody, .exm-tbl-wrap.exm-responsive table.exm-tbl tr, .exm-tbl-wrap.exm-responsive table.exm-tbl td {
    display: block; width: 100% !important;
  }
  .exm-tbl-wrap.exm-responsive table.exm-tbl tr {
    border-bottom: 1px solid var(--exm-c-border);
    padding: 10px 14px;
  }
  .exm-tbl-wrap.exm-responsive table.exm-tbl td {
    border-bottom: none; padding: 5px 0;
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    text-align: left;
  }
  .exm-tbl-wrap.exm-responsive table.exm-tbl td::before {
    content: attr(data-label);
    font-size: 11px; color: var(--exm-c-text-3); font-weight: 600; flex-shrink: 0;
  }
  .exm-tbl-wrap.exm-responsive table.exm-tbl td:empty { display: none; }

  .exm-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; flex-wrap: nowrap; }
  .exm-tab { white-space: nowrap; padding: 9px 12px; }

  .exm-week-grid { font-size: 9px; }
  .exm-week-cell.exm-time-col, .exm-week-head.exm-time-col { display: none; }
  .exm-week-grid { grid-template-columns: repeat(7, 1fr); }
  .exm-week-slot { height: 22px; font-size: 8px; }

  .exm-sidebar { width: 84vw; max-width: 300px; }

  .exm-fab { display: flex; }
  .exm-bottom-nav { display: flex; }
  #primary-btn { display: none; }

  .exm-toast-wrap { bottom: calc(78px + var(--exm-safe-b)); left: 12px; right: 12px; }
  .exm-toast { width: 100%; }

  .exm-dropdown-panel { position: fixed; left: 10px; right: 10px; top: calc(var(--exm-c-topbar-h) + var(--exm-safe-t) + 6px); width: auto; }
}

@media (max-width: 380px) {
  .exm-stats-grid { grid-template-columns: 1fr; }
}

/* ── Scrollbar ── */
.exm-scope ::-webkit-scrollbar { width: 5px; height: 5px; }
.exm-scope ::-webkit-scrollbar-track { background: transparent; }
.exm-scope ::-webkit-scrollbar-thumb { background: var(--exm-c-border-strong); border-radius: 3px; }
</style>
