/*
 * ADMIN.CSS – EDUCENTER Panel Admin
 * CSS: Stylesheet khusus untuk tampilan halaman admin.
 * Menggunakan color palette yang sama dengan website utama
 * namun dengan layout sidebar yang lebih profesional dan fungsional.
 */

/* ── CSS Variables (inherit dari website) ─────────────────────────────────── */
:root {
  --admin-sidebar-w: 260px;
  --admin-topbar-h:  60px;

  --admin-bg:        #f7f5e0;
  --admin-card:      #ffffff;
  --admin-border:    #e9e5d1;

  --admin-text:      #101828;
  --admin-text-mid:  #334155;
  --admin-text-light:#64748b;

  --sidebar-bg:      #002366;
  --sidebar-hover:   #203c7a;
  --sidebar-active:  #304b92;
  --sidebar-text:    rgba(255,255,255,0.95);
  --sidebar-muted:   rgba(255,255,255,0.72);

  --green:  #22c55e;
  --red:    #ef4444;
  --orange: #f59e0b;

  --radius: 12px;
  --shadow: 0 2px 16px rgba(64,106,175,0.1);
}

/* ── Reset untuk admin body ───────────────────────────────────────────────── */
body.admin-body,
body.login-page {
  cursor: auto !important;
  background: var(--admin-bg);
  font-family: 'Plus Jakarta Sans', sans-serif;
  color: var(--admin-text);
  margin: 0;
  padding: 0;
}

body.admin-body .custom-cursor { display: none; }

/* ════════════════════════════════════════════════════
   LOGIN PAGE
   ════════════════════════════════════════════════════ */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

.login-wrapper {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #002366 0%, #203c7a 50%, rgba(253,239,66,0.9) 100%);
  padding: 24px;
}

/* Floating shapes di background login */
.login-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

.bg-shape {
  position: absolute;
  font-size: 40px;
  opacity: 0.08;
  color: #fff;
  animation: floatBg 6s ease-in-out infinite;
}

.bg-shape.s1 { top: 10%;  left: 8%;  font-size: 60px; animation-delay: 0s; }
.bg-shape.s2 { top: 20%;  right: 10%; animation-delay: 1.5s; }
.bg-shape.s3 { bottom: 20%; left: 15%; animation-delay: 3s; }
.bg-shape.s4 { bottom: 10%; right: 8%; font-size: 80px; animation-delay: 2s; }

@keyframes floatBg {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50%       { transform: translateY(-20px) rotate(10deg); }
}

/* Login Card */
.login-card {
  background: var(--admin-card);
  border-radius: 24px;
  padding: 48px 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 24px 80px rgba(0,0,0,0.25);
  position: relative;
  z-index: 2;
  animation: slideUpCard 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes slideUpCard {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.logo-image-wrapper {
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.main-logo {
  width: 100%;
  max-width: 72px;
  height: auto;
  object-fit: contain;
  display: block;
}

.login-logo .logo-icon { font-size: 44px; }

.login-subtitle {
  font-size: 11px;
  font-weight: 700;
  color: var(--admin-text-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.login-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--admin-text);
  margin-bottom: 6px;
}

.login-desc {
  font-size: 14px;
  color: var(--admin-text-light);
  margin-bottom: 24px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  font-size: 16px;
  pointer-events: none;
}

.input-wrap .form-input { padding-left: 40px; }

.toggle-pass {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
}

.btn-login {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #FF8C00 0%, #FDEF42 55%, #203c7a 100%);
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 14px 24px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34,1.56,0.64,1);
  margin-top: 4px;
}

.btn-login:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(64,106,175,0.4);
}

.btn-arrow { font-size: 18px; }

.login-hint {
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--admin-text-light);
}

.login-hint code {
  background: var(--admin-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}

.back-to-web {
  display: block;
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--admin-text-light);
  transition: color 0.2s;
}

.back-to-web:hover { color: var(--sidebar-active); }

/* ════════════════════════════════════════════════════
   ADMIN LAYOUT
   ════════════════════════════════════════════════════ */
.admin-body { display: flex; }

/* ── Sidebar ──────────────────────────────────────── */
.admin-sidebar {
  width: var(--admin-sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  padding: 0 0 24px;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 16px;
}

.sidebar-logo .logo-icon { font-size: 32px; }

.sidebar-logo .logo-edu    { color: rgba(255,255,255,0.92); }
.sidebar-logo .logo-center { color: #FDEF42; }

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.05);
  margin: 0 12px 16px;
  border-radius: var(--radius);
}

.sidebar-avatar { font-size: 28px; }

.sidebar-user-info strong {
  display: block;
  font-size: 14px;
  color: #fff;
  font-weight: 700;
}

.sidebar-user-info span {
  font-size: 11px;
  color: var(--sidebar-muted);
}

.session-timer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  font-size: 12px;
  color: var(--sidebar-muted);
  margin-bottom: 8px;
}

.session-timer strong { color: #FDEF42; }

/* Nav */
.sidebar-nav { flex: 1; padding: 0 12px; }

.nav-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--sidebar-muted);
  padding: 12px 10px 6px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius);
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  margin-bottom: 2px;
  position: relative;
}

.sidebar-link:hover  { background: var(--sidebar-hover); color: #fff; }
.sidebar-link.active { background: var(--sidebar-active); color: #fff; }

.link-icon { font-size: 18px; width: 24px; text-align: center; }

.link-badge {
  margin-left: auto;
  background: #22c55e;
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 50px;
}

.sidebar-logout { color: #fca5a5; margin-top: 8px; }
.sidebar-logout:hover { background: rgba(239,68,68,0.15); color: #fca5a5; }

.sidebar-web-link {
  display: block;
  text-align: center;
  margin: 12px;
  padding: 10px;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  color: var(--sidebar-muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.sidebar-web-link:hover { background: rgba(255,255,255,0.12); color: #fff; }

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
}

/* ── Main Area ────────────────────────────────────── */
.admin-main {
  margin-left: var(--admin-sidebar-w);
  flex: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-topbar {
  height: var(--admin-topbar-h);
  background: var(--admin-card);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(64,106,175,0.06);
}

.topbar-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--admin-text);
  padding: 4px 8px;
  border-radius: 8px;
  transition: background 0.2s;
}

.topbar-toggle:hover { background: var(--admin-bg); }

.topbar-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--admin-text);
  flex: 1;
}

.topbar-right { display: flex; align-items: center; gap: 16px; }

.topbar-user { font-size: 13px; color: var(--admin-text-mid); font-weight: 600; }

.topbar-logout {
  font-size: 13px;
  color: #ef4444;
  font-weight: 700;
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 50px;
  border: 1.5px solid #fecaca;
  transition: all 0.2s;
}

.topbar-logout:hover { background: rgba(253,239,66,0.18); }

.admin-content { padding: 28px 28px; display: flex; flex-direction: column; gap: 24px; }

/* ════════════════════════════════════════════════════
   COMPONENTS
   ════════════════════════════════════════════════════ */

/* Card */
.admin-card {
  background: var(--admin-card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--admin-border);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-header h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 17px;
  font-weight: 700;
  color: var(--admin-text);
}

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

.stat-card {
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
}

..stat-blue   { background: linear-gradient(135deg, #203c7a, #002366); color: #fff; }
.stat-green  { background: linear-gradient(135deg, #22c55e, #16a34a); color: #fff; }
.stat-red    { background: linear-gradient(135deg, #ef4444, #dc2626); color: #fff; }
.stat-yellow { background: linear-gradient(135deg, #FDEF42, #FF8C00); color: #101828; }

.stat-card-icon { font-size: 36px; }

.stat-card-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}

.stat-card-label { font-size: 12px; font-weight: 600; opacity: 0.85; margin-top: 2px; }

/* Dashboard Grid */
.dashboard-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; }

/* Table */
.table-wrap { overflow-x: auto; }

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.admin-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--admin-bg);
  color: var(--admin-text-mid);
  font-weight: 700;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: #fffbde; }
.admin-table tr.row-warning td { background: #fffbeb; }

/* Tags */
.tag {
  display: inline-block;
  background: var(--admin-bg);
  color: var(--admin-text-mid);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
}

.tag-warning { background: #fef3c7; color: #92400e; }

/* Status Badges */
.status-badge, .status-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.badge-open  { background: #dcfce7; color: #15803d; }
.badge-close { background: #fee2e2; color: #b91c1c; }
.status-toggle:hover { opacity: 0.75; transform: scale(0.97); }

/* Action Buttons */
.action-btns { display: flex; gap: 4px; }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: none;
  background: var(--admin-bg);
  cursor: pointer;
  font-size: 15px;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-icon:hover { background: #f7f2d4; transform: scale(1.1); }
.btn-delete:hover { background: #fee2e2; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--admin-text-light);
  font-size: 15px;
}

/* Deadline items */
.deadline-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--admin-border);
}

.deadline-item:last-child { border-bottom: none; }
.deadline-icon { font-size: 24px; }
.deadline-info { flex: 1; }
.deadline-info strong { display: block; font-size: 14px; color: var(--admin-text); }
.deadline-info span   { font-size: 12px; color: var(--admin-text-light); }

/* Quick Actions */
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.quick-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  background: var(--admin-bg);
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 700;
  color: var(--admin-text-mid);
  text-decoration: none;
  transition: all 0.2s;
  border: 1.5px solid transparent;
}

.quick-btn:hover {
  background: #f7f0d8;
  border-color: #f3e7b0;
  color: var(--admin-text);
  transform: translateY(-2px);
}

/* Session Info */
.session-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.session-info-item {
  background: var(--admin-bg);
  padding: 12px 16px;
  border-radius: var(--radius);
}

.si-label { display: block; font-size: 11px; color: var(--admin-text-light); font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.si-value { display: block; font-size: 14px; font-weight: 700; color: var(--admin-text); margin-top: 4px; }

/* ── Buttons ──────────────────────────────────────── */
.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.btn-primary-sm  { background: #002366; color: #fff; }
.btn-primary-sm:hover { background: #203c7a; transform: translateY(-2px); }

.btn-ghost-sm  { background: var(--admin-bg); color: var(--admin-text-mid); border: 1.5px solid var(--admin-border); }
.btn-ghost-sm:hover { background: #f7f1d9; }

.btn-danger-sm { background: #ef4444; color: #fff; }
.btn-danger-sm:hover { background: #dc2626; }

.btn-lg-submit { padding: 10px 24px; font-size: 14px; }

/* ── Form ─────────────────────────────────────────── */
.admin-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

.form-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--admin-text-mid);
}

.req { color: #ef4444; }

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--admin-border);
  border-radius: var(--radius);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 14px;
  color: var(--admin-text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.form-input:focus {
  outline: none;
  border-color: #002366;
  box-shadow: 0 0 0 3px rgba(0,35,102,0.12);
}

.form-input:disabled { background: var(--admin-bg); color: var(--admin-text-light); }

.form-textarea { resize: vertical; min-height: 100px; }

.form-hint { font-size: 12px; color: var(--admin-text-light); }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--admin-border);
  margin-top: 8px;
}

/* Radio Group */
.radio-group { display: flex; gap: 12px; flex-wrap: wrap; }

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1.5px solid var(--admin-border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}

.radio-label:hover { border-color: #002366; background: rgba(0,35,102,0.08); }
.radio-label.radio-active { border-color: #002366; background: rgba(0,35,102,0.14); color: #002366; }
.radio-label input { display: none; }

/* ── Toolbar ──────────────────────────────────────── */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.toolbar-search { display: flex; align-items: center; gap: 8px; }

.filter-tabs { display: flex; gap: 6px; flex: 1; }

.filter-tab {
  padding: 7px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  color: var(--admin-text-mid);
  background: var(--admin-bg);
  text-decoration: none;
  transition: all 0.2s;
}

.filter-tab:hover,
.filter-tab.active { background: #002366; color: #fff; }

/* ── Alerts ───────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.alert-danger  { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-success { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }

/* Flash message */
.flash-message {
  position: sticky;
  top: var(--admin-topbar-h);
  z-index: 99;
  margin: 0;
  border-radius: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 28px;
}

.flash-success { background: #dcfce7; color: #15803d; border-bottom: 1px solid #bbf7d0; }
.flash-danger  { background: #fee2e2; color: #b91c1c; border-bottom: 1px solid #fecaca; }

.flash-close {
  margin-left: auto;
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: inherit;
  opacity: 0.6;
  padding: 0 4px;
}

.flash-close:hover { opacity: 1; }

/* ── Modal ────────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30,58,95,0.5);
  backdrop-filter: blur(4px);
  z-index: 500;
  align-items: center;
  justify-content: center;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: #fff;
  border-radius: 20px;
  padding: 36px 32px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.2);
  animation: popIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes popIn {
  from { opacity: 0; transform: scale(0.8); }
  to   { opacity: 1; transform: scale(1); }
}

.modal-icon { font-size: 48px; margin-bottom: 12px; }

.modal-box h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--admin-text);
  margin-bottom: 8px;
}

.modal-box p {
  font-size: 14px;
  color: var(--admin-text-mid);
  line-height: 1.6;
  margin-bottom: 24px;
}

.modal-actions { display: flex; gap: 10px; justify-content: center; }

/* ── Text helpers ─────────────────────────────────── */
.text-danger { color: #ef4444; font-weight: 700; }
.text-center { text-align: center; }

/* ════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .stats-grid    { grid-template-columns: 1fr 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .session-info-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }

  .admin-sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay { display: block; opacity: 0; pointer-events: none; transition: opacity 0.3s; }
  .sidebar-overlay.visible { opacity: 1; pointer-events: auto; }

  .admin-main { margin-left: 0; }
  .topbar-toggle { display: block; }

  .admin-content { padding: 16px; }
  .stats-grid    { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-card     { padding: 16px; }
  .stat-card-num { font-size: 28px; }

  .form-row { flex-direction: column; }
  .login-card { padding: 32px 24px; }
  .quick-actions { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats-grid  { grid-template-columns: 1fr; }
  .toolbar     { flex-direction: column; align-items: stretch; }
  .filter-tabs { justify-content: center; }
}