/* =========================================================
   E-GURU MTsN 3 Bojonegoro
   Tema: Blue Crystal Glass UI
   Premium Glassmorphism + Soft Neumorphism (nuansa biru kaca bening)
   Fase 11 - Kustomisasi Desain
   ========================================================= */

:root {
  /* --- Palet Biru Kaca (Blue Crystal) --- */
  --eg-primary: #2563eb;
  --eg-primary-2: #38bdf8;
  --eg-primary-dark: #1d4ed8;
  --eg-accent: #7dd3fc;

  --eg-sidebar-width: 262px;
  --eg-sidebar-collapsed: 74px;

  /* Background: gradasi biru langit -> biru es, lembut */
  --eg-bg-1: #eaf2ff;
  --eg-bg-2: #dbeafe;
  --eg-bg-3: #c7ddfb;

  --eg-text: #1e2a45;
  --eg-text-soft: #4b5c7d;

  /* Kaca (Glass) */
  --eg-glass-bg: rgba(255, 255, 255, 0.52);
  --eg-glass-bg-strong: rgba(255, 255, 255, 0.72);
  --eg-glass-border: rgba(255, 255, 255, 0.65);
  --eg-glass-blur: 18px;

  /* Neumorphism (di atas dasar biru muda) */
  --eg-neu-bg: #eaf3ff;
  --eg-neu-light: rgba(255, 255, 255, 0.9);
  --eg-neu-dark: rgba(148, 178, 224, 0.55);

  --eg-card-bg: rgba(255, 255, 255, 0.60);
  --eg-radius: 18px;
  --eg-radius-sm: 12px;

  --eg-shadow-glass: 0 8px 32px rgba(31, 65, 128, 0.14);
  --eg-shadow-neu-out: 6px 6px 14px var(--eg-neu-dark), -6px -6px 14px var(--eg-neu-light);
  --eg-shadow-neu-in: inset 4px 4px 10px var(--eg-neu-dark), inset -4px -4px 10px var(--eg-neu-light);
}

[data-theme="dark"] {
  --eg-bg-1: #0b1220;
  --eg-bg-2: #0f1a30;
  --eg-bg-3: #13223f;

  --eg-text: #e7edfb;
  --eg-text-soft: #a9b8d6;

  --eg-glass-bg: rgba(19, 30, 56, 0.55);
  --eg-glass-bg-strong: rgba(19, 30, 56, 0.78);
  --eg-glass-border: rgba(120, 160, 230, 0.22);

  --eg-neu-bg: #101c34;
  --eg-neu-light: rgba(60, 90, 150, 0.28);
  --eg-neu-dark: rgba(2, 6, 16, 0.65);

  --eg-card-bg: rgba(19, 30, 56, 0.60);

  --eg-shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.45);
  --eg-shadow-neu-out: 6px 6px 14px var(--eg-neu-dark), -6px -6px 14px var(--eg-neu-light);
  --eg-shadow-neu-in: inset 4px 4px 10px var(--eg-neu-dark), inset -4px -4px 10px var(--eg-neu-light);
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  background:
    radial-gradient(1100px 600px at 8% -8%, rgba(125, 211, 252, 0.45), transparent 60%),
    radial-gradient(900px 700px at 105% 15%, rgba(37, 99, 235, 0.28), transparent 55%),
    linear-gradient(160deg, var(--eg-bg-1), var(--eg-bg-2) 55%, var(--eg-bg-3));
  background-attachment: fixed;
  color: var(--eg-text);
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  transition: background .35s, color .35s;
}

::selection { background: var(--eg-primary-2); color: #04263f; }

/* Scrollbar kaca tipis */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(37, 99, 235, 0.35); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(37, 99, 235, 0.55); }

/* =========================================================
   Kartu Kaca (Glassmorphism) - berlaku untuk .card & modal
   ========================================================= */
.card {
  background: var(--eg-card-bg) !important;
  backdrop-filter: blur(var(--eg-glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--eg-glass-blur)) saturate(160%);
  border: 1px solid var(--eg-glass-border) !important;
  border-radius: var(--eg-radius) !important;
  box-shadow: var(--eg-shadow-glass) !important;
  color: var(--eg-text);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { box-shadow: 0 14px 38px rgba(31, 65, 128, 0.18) !important; }
.card-header {
  background: rgba(255, 255, 255, 0.35) !important;
  border-bottom: 1px solid var(--eg-glass-border) !important;
  border-radius: var(--eg-radius) var(--eg-radius) 0 0 !important;
  color: var(--eg-text);
  font-weight: 600;
}
[data-theme="dark"] .card-header { background: rgba(255, 255, 255, 0.04) !important; }
.card-footer { background: transparent !important; border-top: 1px solid var(--eg-glass-border) !important; }

/* ===== Navbar - Glass Blue Crystal ===== */
.app-navbar {
  background: linear-gradient(100deg, rgba(29, 78, 216, 0.92), rgba(37, 99, 235, 0.85) 45%, rgba(56, 189, 248, 0.80));
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding: .7rem 1.15rem;
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 6px 22px rgba(15, 42, 96, 0.25);
}
.navbar-logo { width: 30px; height: 30px; object-fit: contain; border-radius: 8px; background: #fff; padding: 2px; }

/* ===== Sidebar - Frosted Deep Blue Glass ===== */
.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--eg-sidebar-width);
  background: linear-gradient(200deg, rgba(11, 22, 45, 0.92), rgba(19, 40, 82, 0.90) 60%, rgba(29, 60, 112, 0.88));
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: #eaf2ff;
  overflow-y: auto;
  z-index: 1040;
  transition: width .25s;
}
.app-sidebar.collapsed { width: var(--eg-sidebar-collapsed); }
.app-sidebar.collapsed .brand-text { display: none; }

.sidebar-brand {
  padding: 1.1rem 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  white-space: nowrap;
  overflow: hidden;
}
.sidebar-logo { width: 32px; height: 32px; object-fit: contain; border-radius: 8px; background: #fff; padding: 2px; flex-shrink: 0; }

.sidebar-user { border-bottom: 1px solid rgba(255, 255, 255, .1); }
.sidebar-user img { box-shadow: var(--eg-shadow-glass); border-color: rgba(255,255,255,.4) !important; }

.sidebar-heading {
  padding: 1rem 1.1rem .3rem;
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(210, 226, 255, .55);
  white-space: nowrap;
}
.sidebar-menu { padding-bottom: 2rem; }
.sidebar-menu .nav-link {
  color: rgba(230, 240, 255, .82);
  padding: .68rem 1.1rem;
  margin: .12rem .6rem;
  border-radius: 12px;
  white-space: nowrap;
  border-left: 3px solid transparent;
  transition: background .2s, transform .2s;
}
.sidebar-menu .nav-link:hover {
  background: rgba(125, 211, 252, .14);
  color: #fff;
  transform: translateX(2px);
}
.sidebar-menu .nav-link.active {
  background: linear-gradient(95deg, rgba(37, 99, 235, .55), rgba(56, 189, 248, .35));
  color: #fff;
  border-left-color: #7dd3fc;
  box-shadow: 0 4px 14px rgba(37, 99, 235, .35);
}
.sidebar-menu .nav-link i { width: 22px; text-align: center; margin-right: 6px; }

.main-content {
  margin-left: var(--eg-sidebar-width);
  min-height: calc(100vh - 56px);
  padding-bottom: 1rem;
  transition: margin-left .25s;
}
.app-sidebar.collapsed ~ .main-content,
body.sidebar-collapsed .main-content { margin-left: var(--eg-sidebar-collapsed); }

.app-footer {
  margin-left: var(--eg-sidebar-width);
  border-top: 1px solid var(--eg-glass-border);
  color: var(--eg-text-soft);
  transition: margin-left .25s;
}
body.sidebar-collapsed .app-footer { margin-left: var(--eg-sidebar-collapsed); }

@media (max-width: 991px) {
  .app-sidebar { left: -280px; }
  .app-sidebar.show-mobile { left: 0; box-shadow: 0 0 60px rgba(0,0,0,.4); }
  .main-content, .app-footer { margin-left: 0 !important; }
}

/* =========================================================
   Neumorphism - Tombol, Input, Elemen Interaktif
   ========================================================= */
.btn {
  border-radius: var(--eg-radius-sm) !important;
  font-weight: 600;
  border: none;
  transition: box-shadow .2s ease, transform .15s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--eg-primary-2), var(--eg-primary)) !important;
  box-shadow: 0 6px 16px rgba(37, 99, 235, .38), var(--eg-shadow-neu-out);
  color: #fff !important;
}
.btn-primary:hover, .btn-primary:focus {
  transform: translateY(-1px);
  box-shadow: 0 9px 22px rgba(37, 99, 235, .48);
}
.btn-primary:active { transform: translateY(0); box-shadow: var(--eg-shadow-neu-in); }

.btn-secondary { background: rgba(148, 163, 184, .25) !important; color: var(--eg-text) !important; }
.btn-success { background: linear-gradient(135deg, #34d399, #059669) !important; color: #fff !important; box-shadow: 0 6px 16px rgba(5,150,105,.32); }
.btn-danger  { background: linear-gradient(135deg, #f87171, #dc2626) !important; color: #fff !important; box-shadow: 0 6px 16px rgba(220,38,38,.30); }
.btn-warning { background: linear-gradient(135deg, #fbbf24, #d97706) !important; color: #fff !important; }
.btn-info    { background: linear-gradient(135deg, #22d3ee, #0891b2) !important; color: #fff !important; }

.btn-outline-primary {
  color: var(--eg-primary) !important;
  border: 1.5px solid rgba(37, 99, 235, .45) !important;
  background: rgba(255, 255, 255, .35) !important;
}
.btn-outline-primary:hover { background: var(--eg-primary) !important; color: #fff !important; }
.btn-outline-danger { color: #dc2626 !important; border: 1.5px solid rgba(220,38,38,.4) !important; background: rgba(255,255,255,.35) !important; }
.btn-outline-danger:hover { background: #dc2626 !important; color: #fff !important; }

.btn-sm { border-radius: 10px !important; }
.btn-link { color: #fff; }

/* Form elemen - efek neumorphism cekung (inset) di atas kaca */
.form-control, .form-select {
  background: rgba(255, 255, 255, .55) !important;
  border: 1px solid rgba(148, 178, 224, .35) !important;
  border-radius: var(--eg-radius-sm) !important;
  color: var(--eg-text) !important;
  box-shadow: var(--eg-shadow-neu-in);
  transition: box-shadow .2s, border-color .2s;
}
.form-control:focus, .form-select:focus {
  border-color: var(--eg-primary) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .18), var(--eg-shadow-neu-in) !important;
  background: rgba(255, 255, 255, .75) !important;
}
[data-theme="dark"] .form-control, [data-theme="dark"] .form-select {
  background: rgba(255,255,255,.04) !important; color: var(--eg-text) !important;
}
.form-control::placeholder { color: var(--eg-text-soft); opacity: .75; }
.input-group-text {
  background: rgba(255, 255, 255, .55) !important;
  border: 1px solid rgba(148, 178, 224, .35) !important;
  color: var(--eg-primary-dark);
}
.form-label { font-weight: 600; color: var(--eg-text-soft); font-size: .86rem; }

/* ===== Tabel ===== */
.table { color: var(--eg-text); }
.table > :not(caption) > * > * {
  background-color: transparent;
  border-bottom-color: rgba(148, 178, 224, .28);
}
.table thead th {
  background: rgba(37, 99, 235, .08);
  color: var(--eg-primary-dark);
  border-bottom: 2px solid rgba(37, 99, 235, .18) !important;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.table-hover > tbody > tr:hover > * { background-color: rgba(56, 189, 248, .10); }

/* ===== Badge & Pill ===== */
.badge { border-radius: 8px; font-weight: 600; }

/* ===== Pagination ===== */
.pagination .page-link {
  background: rgba(255, 255, 255, .5);
  border: 1px solid rgba(148, 178, 224, .3);
  color: var(--eg-primary-dark);
  border-radius: 9px;
  margin: 0 2px;
}
.pagination .page-item.active .page-link {
  background: linear-gradient(135deg, var(--eg-primary-2), var(--eg-primary));
  border-color: transparent;
}
.pagination .page-item.disabled .page-link { opacity: .45; }

/* ===== Modal ===== */
.modal-content {
  background: var(--eg-glass-bg-strong) !important;
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--eg-glass-border) !important;
  border-radius: var(--eg-radius) !important;
  color: var(--eg-text);
  box-shadow: 0 20px 60px rgba(15, 42, 96, .35) !important;
}
.modal-header, .modal-footer { border-color: var(--eg-glass-border) !important; }

/* ===== Nav Pills / Tabs ===== */
.nav-pills .nav-link, .nav-tabs .nav-link {
  color: var(--eg-text-soft);
  border-radius: 10px;
  font-weight: 600;
}
.nav-pills .nav-link.active {
  background: linear-gradient(135deg, var(--eg-primary-2), var(--eg-primary)) !important;
  box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.nav-tabs { border-bottom: 1px solid var(--eg-glass-border); }
.nav-tabs .nav-link.active { background: var(--eg-glass-bg-strong); border-color: var(--eg-glass-border) var(--eg-glass-border) transparent; }

/* ===== Dropdown ===== */
.dropdown-menu {
  background: var(--eg-glass-bg-strong) !important;
  backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid var(--eg-glass-border) !important;
  border-radius: var(--eg-radius-sm) !important;
  box-shadow: var(--eg-shadow-glass) !important;
}
.dropdown-item { color: var(--eg-text); border-radius: 8px; margin: 1px 4px; width: calc(100% - 8px); }
.dropdown-item:hover { background: rgba(37, 99, 235, .12); color: var(--eg-primary-dark); }

/* ===== List Group ===== */
.list-group-item { background: transparent !important; border-color: var(--eg-glass-border) !important; color: var(--eg-text); }

.text-muted { color: var(--eg-text-soft) !important; }
.border-bottom { border-color: var(--eg-glass-border) !important; }
hr { border-color: var(--eg-glass-border); opacity: .6; }

/* =========================================================
   Stat Cards (Dashboard) - Neumorphic Icon Chip
   ========================================================= */
.stat-card .stat-icon {
  width: 54px; height: 54px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.35rem;
  box-shadow: var(--eg-shadow-neu-out);
}

/* =========================================================
   Login Page - Blue Crystal Glass
   ========================================================= */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  position: relative;
  overflow: hidden;
  background: linear-gradient(140deg, #0b1a3a 0%, #12336b 42%, #1d4ed8 78%, #38bdf8 100%);
}
.login-body::before, .login-body::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  z-index: 0;
}
.login-body::before {
  width: 420px; height: 420px;
  background: rgba(125, 211, 252, .45);
  top: -120px; left: -100px;
}
.login-body::after {
  width: 480px; height: 480px;
  background: rgba(37, 99, 235, .55);
  bottom: -160px; right: -120px;
}
.login-wrapper { width: 100%; max-width: 440px; padding: 1rem; position: relative; z-index: 1; }
.login-card {
  border-radius: 24px !important;
  background: rgba(255, 255, 255, .85) !important;
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, .6) !important;
  box-shadow: 0 25px 70px rgba(6, 20, 55, .45) !important;
}
.login-icon { font-size: 2.8rem; color: var(--eg-primary); filter: drop-shadow(0 4px 10px rgba(37,99,235,.35)); }
.login-logo { width: 64px; height: 64px; object-fit: contain; border-radius: 16px; background: #fff; padding: 6px; box-shadow: var(--eg-shadow-glass); }
.login-badge-jenjang {
  background: linear-gradient(135deg, var(--eg-primary-2), var(--eg-primary));
  color: #fff; padding: .3rem .75rem; border-radius: 20px; font-size: .72rem; letter-spacing: .06em;
}
.login-card .btn-primary { width: 100%; }