/* ============================================================
   SCHOOL FORM SYSTEM  —  Global Styles
   Font: Outfit (Google Fonts)
   Theme: Refined edu-tech — deep navy sidebar, clean white cards
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=DM+Mono:wght@400;500&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --sidebar-w: 260px;
  --sidebar-bg: #0f172a;
  --sidebar-border: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-active-bg: rgba(59,130,246,.15);
  --sidebar-active-text: #60a5fa;
  --sidebar-hover-bg: rgba(255,255,255,.05);

  --primary: #2563eb;
  --primary-light: #dbeafe;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --body-bg: #f1f5f9;
  --card-bg: #ffffff;
  --text-primary: #1e293b;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --input-bg: #f8fafc;

  --topbar-h: 64px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 16px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1), 0 1px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.12), 0 2px 8px rgba(0,0,0,.06);

  --transition: .2s cubic-bezier(.4,0,.2,1);
}

/* Dark mode */
[data-theme="dark"] {
  --body-bg: #0f172a;
  --card-bg: #1e293b;
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
  --border-color: #334155;
  --input-bg: #0f172a;
  --sidebar-bg: #020617;
  --sidebar-border: #1e293b;
}

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', sans-serif;
  background: var(--body-bg);
  color: var(--text-primary);
  font-size: 14.5px;
  line-height: 1.6;
  transition: background var(--transition), color var(--transition);
}

h1,h2,h3,h4,h5,h6 { font-family: 'Outfit', sans-serif; font-weight: 600; }
a { color: var(--primary); }
code, pre { font-family: 'DM Mono', monospace; }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Layout ────────────────────────────────────────────────── */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition), width var(--transition);
  overflow: hidden;
  border-right: 1px solid var(--sidebar-border);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--sidebar-border);
  text-decoration: none;
}

.sidebar-brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 18px;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(37,99,235,.4);
}

.sidebar-brand-text { line-height: 1.2; }
.sidebar-brand-title { color: #f1f5f9; font-weight: 700; font-size: 14px; display: block; }
.sidebar-brand-sub   { color: var(--sidebar-text); font-size: 11px; display: block; }

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.sidebar-section-label {
  color: #475569;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 12px 20px 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 16px 9px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 0;
  transition: background var(--transition), color var(--transition);
  position: relative;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
}

.sidebar-link i {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-link:hover {
  background: var(--sidebar-hover-bg);
  color: #e2e8f0;
}

.sidebar-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
}

.sidebar-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px; bottom: 4px;
  width: 3px;
  background: var(--sidebar-active-text);
  border-radius: 0 3px 3px 0;
  margin-left: -16px; /* push to edge */
}

.sidebar-link .badge {
  margin-left: auto;
  font-size: 10px;
  padding: 2px 6px;
}

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

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

.sidebar-avatar {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 14px;
  flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { color: #e2e8f0; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.sidebar-user-role { color: var(--sidebar-text); font-size: 11px; display: block; }

/* ── Main Content ──────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition: margin var(--transition);
}

/* ── Topbar ────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 12px;
  position: sticky;
  top: 0;
  z-index: 900;
  transition: background var(--transition);
}

.topbar-title { font-size: 17px; font-weight: 600; flex: 1; }

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

.topbar-btn {
  width: 36px; height: 36px;
  border: none;
  background: var(--body-bg);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  font-size: 16px;
}
.topbar-btn:hover { background: var(--border-color); color: var(--text-primary); }

.topbar-profile {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px 4px 4px;
  border-radius: 24px;
  cursor: pointer;
  border: 1px solid var(--border-color);
  background: var(--body-bg);
  transition: background var(--transition);
}
.topbar-profile:hover { background: var(--border-color); }

.topbar-avatar {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 12px; font-weight: 700;
}

.topbar-profile-name { font-size: 13px; font-weight: 600; }
.topbar-profile-role { font-size: 11px; color: var(--text-muted); }

/* ── Page Content ──────────────────────────────────────────── */
.page-content {
  flex: 1;
  padding: 24px;
  overflow-x: hidden;
}

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--border-color);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

/* ── Stat Cards ────────────────────────────────────────────── */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.stat-info { flex: 1; min-width: 0; }
.stat-value { font-size: 26px; font-weight: 800; line-height: 1; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 2px; font-weight: 500; }
.stat-change { font-size: 12px; font-weight: 600; margin-top: 4px; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  font-family: 'Outfit', sans-serif;
  font-weight: 500;
  letter-spacing: .01em;
  transition: all var(--transition);
  border-radius: var(--radius-sm);
}

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

.btn-icon {
  width: 32px; height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

/* ── Tables ────────────────────────────────────────────────── */
.table {
  color: var(--text-primary);
  font-size: 13.5px;
}

.table th {
  font-weight: 600;
  font-size: 12px;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--body-bg);
  border-color: var(--border-color);
  padding: 10px 16px;
  white-space: nowrap;
}

.table td {
  border-color: var(--border-color);
  padding: 10px 16px;
  vertical-align: middle;
}

.table tbody tr:hover { background: rgba(59,130,246,.03); }

/* ── Forms ─────────────────────────────────────────────────── */
.form-control, .form-select {
  background: var(--input-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  font-size: 14px;
}
.form-control:focus, .form-select:focus {
  background: var(--card-bg);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
  color: var(--text-primary);
}
.form-label { font-weight: 500; font-size: 13px; color: var(--text-muted); margin-bottom: 5px; }
.form-text  { font-size: 12px; }

/* ── Badges ────────────────────────────────────────────────── */
.badge {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 6px;
  padding: 3px 8px;
}

/* ── Modal ─────────────────────────────────────────────────── */
.modal-content {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.modal-header { border-bottom-color: var(--border-color); }
.modal-footer { border-top-color: var(--border-color); }

/* ── Alerts ────────────────────────────────────────────────── */
.alert { border-radius: var(--radius-sm); border: none; font-size: 13.5px; }

/* ── Login Page ────────────────────────────────────────────── */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sidebar-bg);
  position: relative;
  overflow: hidden;
}

.login-bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.login-bg-shapes span {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(37,99,235,.3), rgba(6,182,212,.2));
  filter: blur(60px);
  animation: pulse 8s ease-in-out infinite;
}

.login-bg-shapes span:nth-child(1) { width: 400px; height: 400px; top: -100px; right: -100px; animation-delay: 0s; }
.login-bg-shapes span:nth-child(2) { width: 300px; height: 300px; bottom: -80px; left: -80px; animation-delay: -4s; }

@keyframes pulse {
  0%, 100% { transform: scale(1) rotate(0deg); opacity: .6; }
  50% { transform: scale(1.1) rotate(10deg); opacity: .9; }
}

.login-card {
  background: rgba(30,41,59,.85);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  padding: 44px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
}

.login-logo {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  color: #fff;
  margin: 0 auto 20px;
  box-shadow: 0 8px 24px rgba(37,99,235,.4);
}

.login-title { color: #f1f5f9; font-size: 22px; font-weight: 700; text-align: center; }
.login-subtitle { color: #94a3b8; font-size: 13.5px; text-align: center; margin-top: 4px; }

.login-card .form-control {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
  color: #f1f5f9;
  padding: 10px 14px;
}
.login-card .form-control::placeholder { color: #64748b; }
.login-card .form-control:focus {
  background: rgba(255,255,255,.1);
  border-color: var(--primary);
  color: #f1f5f9;
  box-shadow: 0 0 0 3px rgba(37,99,235,.25);
}
.login-card .form-label { color: #94a3b8; }
.login-card .input-group-text {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
  color: #64748b;
}

/* ── Form Builder ──────────────────────────────────────────── */
.builder-layout {
  display: grid;
  grid-template-columns: 220px 1fr 280px;
  gap: 20px;
  height: calc(100vh - var(--topbar-h) - 48px);
}

.builder-panel {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.builder-panel-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}

.builder-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.field-palette-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: grab;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  background: var(--body-bg);
  transition: all var(--transition);
  user-select: none;
}
.field-palette-item:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
.field-palette-item:active { cursor: grabbing; }
.field-palette-item i { font-size: 14px; width: 18px; text-align: center; }

/* Drop zone */
.form-canvas {
  min-height: 300px;
  padding: 8px;
}

.form-canvas-empty {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius);
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13.5px;
  transition: border-color var(--transition);
}

.form-canvas-empty.drag-over { border-color: var(--primary); background: var(--primary-light); }

.form-field-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}
.form-field-card:hover { border-color: var(--primary); }
.form-field-card.selected { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.1); }

.form-field-handle {
  position: absolute;
  left: -1px;
  top: 50%;
  transform: translateY(-50%);
  padding: 6px 4px;
  cursor: grab;
  color: var(--text-muted);
  font-size: 14px;
}
.form-field-handle:active { cursor: grabbing; }

.form-field-actions {
  position: absolute;
  top: 8px; right: 8px;
  display: flex; gap: 4px;
  opacity: 0;
  transition: opacity var(--transition);
}
.form-field-card:hover .form-field-actions { opacity: 1; }

.form-field-label { font-weight: 600; font-size: 13.5px; margin-bottom: 6px; }
.form-field-type-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 2px 6px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
}

/* Field preview */
.field-preview { pointer-events: none; opacity: .7; }
.field-preview .form-control,
.field-preview .form-select { font-size: 13px; padding: 7px 10px; }

/* Properties panel */
.prop-group {
  padding: 14px;
  border-bottom: 1px solid var(--border-color);
}
.prop-group:last-child { border-bottom: none; }
.prop-group-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 10px; }

/* ── Public Form Page ──────────────────────────────────────── */
.form-page-wrapper {
  min-height: 100vh;
  background: linear-gradient(135deg, #f0f7ff 0%, #e8f4fd 50%, #f0fdf4 100%);
  padding: 40px 16px;
}

.form-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 8px 48px rgba(0,0,0,.08), 0 2px 12px rgba(0,0,0,.04);
  overflow: hidden;
  max-width: 640px;
  margin: 0 auto;
}

.form-card-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  padding: 32px 32px 28px;
  color: #fff;
}

.form-card-header h2 { font-size: 22px; font-weight: 700; margin: 0; }
.form-card-header p  { margin: 8px 0 0; opacity: .85; font-size: 14px; }

.form-card-body { padding: 28px 32px; }

.public-field { margin-bottom: 20px; }
.public-field label { font-weight: 600; font-size: 14px; margin-bottom: 6px; display: block; }
.public-field .required-star { color: var(--danger); margin-left: 3px; }
.public-field .help-text { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Sidebar collapsed (mobile) ─────────────────────────────── */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .builder-layout { grid-template-columns: 1fr; height: auto; }
  .page-content { padding: 16px; }
}

/* ── Animations ────────────────────────────────────────────── */
.fade-in {
  animation: fadeIn .35s ease both;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide-in {
  animation: slideIn .3s ease both;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* stagger children */
.stagger-children > * {
  animation: fadeIn .4s ease both;
}
.stagger-children > *:nth-child(1) { animation-delay: .05s; }
.stagger-children > *:nth-child(2) { animation-delay: .10s; }
.stagger-children > *:nth-child(3) { animation-delay: .15s; }
.stagger-children > *:nth-child(4) { animation-delay: .20s; }
.stagger-children > *:nth-child(5) { animation-delay: .25s; }
.stagger-children > *:nth-child(6) { animation-delay: .30s; }

/* ── Misc utilities ────────────────────────────────────────── */
.text-primary-custom { color: var(--primary) !important; }
.bg-primary-light { background: var(--primary-light) !important; }
.border-primary-custom { border-color: var(--primary) !important; }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 48px; opacity: .3; display: block; margin-bottom: 16px; }
.empty-state h5 { font-size: 16px; margin-bottom: 8px; }
.empty-state p { font-size: 13.5px; }

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

/* Toast */
.toast-container { z-index: 9999; }
.toast { font-family: 'Outfit', sans-serif; }

/* Sortable ghost */
.sortable-ghost { opacity: .4; background: var(--primary-light) !important; border-color: var(--primary) !important; }
.sortable-chosen { box-shadow: var(--shadow-md); }
.sortable-drag   { opacity: 1 !important; }

/* Dark table */
[data-theme="dark"] .table > :not(caption) > * > * { background: transparent; }
[data-theme="dark"] .table-hover > tbody > tr:hover > * { background: rgba(255,255,255,.04); }
[data-theme="dark"] .modal-header .btn-close { filter: invert(1); }

/* Responsive table wrapper */
.table-responsive { border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border-color); }

/* Pagination */
.page-link {
  background: var(--card-bg);
  border-color: var(--border-color);
  color: var(--text-primary);
  font-size: 13px;
  padding: 6px 12px;
}
.page-link:hover { background: var(--body-bg); }
.page-item.active .page-link { background: var(--primary); border-color: var(--primary); }

/* Status dots */
.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 5px;
}
.status-dot.active   { background: var(--success); }
.status-dot.inactive { background: var(--text-muted); }

/* Activity log */
.activity-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

/* Form list card */
.form-list-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition);
}
.form-list-item:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.form-list-icon {
  width: 44px; height: 44px;
  background: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  font-size: 18px;
  flex-shrink: 0;
}

/* Drag over highlight */
.drag-over-active {
  outline: 2px dashed var(--primary);
  outline-offset: 4px;
  background: rgba(37,99,235,.04);
  border-radius: var(--radius-sm);
}