:root {
  --navy: #1F3864;
  --blue: #2E75B6;
  --light-blue: #DCE6F1;
  --white: #ffffff;
  --grey: #595959;
  --light-grey: #f4f6f9;
  --border: #d0d7de;
  --danger: #c0392b;
  --success: #27ae60;
  --sidebar-w: 260px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Arial, sans-serif; font-size: 14px; color: #262626; background: var(--light-grey); }
a { text-decoration: none; color: var(--blue); }
button { cursor: pointer; font-family: Arial, sans-serif; }

/* ── Login ── */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--navy); }
.login-card { background: #fff; border-radius: 12px; padding: 40px 36px; width: 380px; box-shadow: 0 8px 32px rgba(0,0,0,.2); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo h1 { font-size: 20px; color: var(--navy); margin-top: 10px; }
.login-logo p { font-size: 12px; color: var(--grey); margin-top: 4px; }
.login-card label { display: block; font-size: 12px; font-weight: bold; color: var(--grey); margin-bottom: 4px; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.login-card input:focus { outline: none; border-color: var(--blue); }
.btn-primary { width: 100%; padding: 11px; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-size: 14px; font-weight: bold; }
.btn-primary:hover { background: var(--blue); }
.error-msg { color: var(--danger); font-size: 12px; margin-bottom: 12px; display: none; }

/* ── Layout Utama ── */
.layout { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ── */
.sidebar { width: var(--sidebar-w); background: var(--navy); color: #fff; display: flex; flex-direction: column; flex-shrink: 0; }
.sidebar-header { padding: 20px 16px 16px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar-header h2 { font-size: 14px; font-weight: bold; }
.sidebar-header p { font-size: 11px; color: rgba(255,255,255,.6); margin-top: 2px; }
.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; color: rgba(255,255,255,.8); font-size: 13px; cursor: pointer; border-radius: 0; transition: background .15s; }
.nav-item:hover, .nav-item.aktif { background: rgba(255,255,255,.12); color: #fff; }
.nav-item .ikon { width: 18px; text-align: center; }
.nav-section { padding: 12px 16px 4px; font-size: 10px; color: rgba(255,255,255,.4); text-transform: uppercase; letter-spacing: .5px; }
.sidebar-footer { padding: 12px 16px; border-top: 1px solid rgba(255,255,255,.1); }
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--blue); display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 13px; }
.user-detail { flex: 1; min-width: 0; }
.user-nama { font-size: 13px; font-weight: bold; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: rgba(255,255,255,.5); }
.btn-keluar { background: none; border: none; color: rgba(255,255,255,.5); font-size: 18px; padding: 4px; }
.btn-keluar:hover { color: #fff; }

/* ── Main Content ── */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { background: #fff; border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; }
.topbar h3 { font-size: 15px; color: var(--navy); }
.content { flex: 1; overflow-y: auto; padding: 24px; }

/* ── Chat ── */
.chat-layout { display: flex; height: 100%; gap: 0; }
.chat-sidebar { width: 220px; background: #fff; border-right: 1px solid var(--border); display: flex; flex-direction: column; }
.chat-sidebar-header { padding: 14px 12px; border-bottom: 1px solid var(--border); }
.btn-sesi-baru { width: 100%; padding: 8px; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-size: 13px; }
.sesi-list { flex: 1; overflow-y: auto; padding: 8px 0; }
.sesi-item { padding: 9px 12px; cursor: pointer; border-bottom: 1px solid #f0f0f0; font-size: 12px; color: var(--grey); }
.sesi-item:hover, .sesi-item.aktif { background: var(--light-blue); color: var(--navy); }
.sesi-item .sesi-judul { font-weight: bold; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sesi-item .sesi-tgl { font-size: 10px; color: #aaa; }

.chat-main { flex: 1; display: flex; flex-direction: column; }
.chat-messages { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 16px; }
.msg { display: flex; gap: 10px; }
.msg.user { flex-direction: row-reverse; }
.msg-avatar { width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: bold; }
.msg.assistant .msg-avatar { background: var(--navy); color: #fff; }
.msg.user .msg-avatar { background: var(--blue); color: #fff; }
.msg-bubble { max-width: 70%; padding: 10px 14px; border-radius: 12px; font-size: 13px; line-height: 1.6; }
.msg.assistant .msg-bubble { background: #fff; border: 1px solid var(--border); border-radius: 0 12px 12px 12px; }
.msg.user .msg-bubble { background: var(--navy); color: #fff; border-radius: 12px 0 12px 12px; }
.msg-sumber { margin-top: 8px; font-size: 11px; color: var(--grey); }
.sumber-badge { display: inline-block; background: var(--light-blue); color: var(--navy); padding: 2px 8px; border-radius: 12px; margin: 2px 2px 0 0; font-size: 10px; }
.msg-nilai { margin-top: 6px; display: flex; gap: 6px; }
.btn-nilai { background: none; border: 1px solid var(--border); padding: 2px 8px; border-radius: 12px; font-size: 11px; color: var(--grey); }
.btn-nilai:hover { border-color: var(--blue); color: var(--blue); }
.chat-input-area { padding: 16px 20px; background: #fff; border-top: 1px solid var(--border); }
.chat-form { display: flex; gap: 10px; }
.chat-input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 24px; font-size: 13px; resize: none; height: 42px; }
.chat-input:focus { outline: none; border-color: var(--blue); }
.btn-kirim { padding: 10px 20px; background: var(--navy); color: #fff; border: none; border-radius: 24px; font-size: 13px; font-weight: bold; }
.btn-kirim:hover { background: var(--blue); }
.typing-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--grey); margin: 0 2px; animation: blink 1.2s infinite; }
.typing-dot:nth-child(2) { animation-delay: .4s; }
.typing-dot:nth-child(3) { animation-delay: .8s; }
@keyframes blink { 0%,80%,100%{opacity:.2} 40%{opacity:1} }

/* ── Perpustakaan ── */
.search-bar { display: flex; gap: 10px; margin-bottom: 20px; }
.search-bar input { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.search-bar input:focus { outline: none; border-color: var(--blue); }
.btn-cari { padding: 10px 20px; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-size: 13px; }
.dok-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.dok-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 18px; cursor: pointer; transition: box-shadow .15s; }
.dok-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.dok-badge { display: inline-block; background: var(--light-blue); color: var(--navy); padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: bold; margin-bottom: 10px; }
.dok-judul { font-size: 13px; font-weight: bold; color: var(--navy); margin-bottom: 6px; line-height: 1.4; }
.dok-meta { font-size: 11px; color: var(--grey); }
.dok-meta span { margin-right: 10px; }
.dok-ringkasan { font-size: 12px; color: var(--grey); margin-top: 8px; line-height: 1.5; }
.status-berlaku { color: var(--success); font-weight: bold; }

/* ── Admin ── */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 18px; text-align: center; }
.stat-angka { font-size: 28px; font-weight: bold; color: var(--navy); }
.stat-label { font-size: 12px; color: var(--grey); margin-top: 4px; }
.panel { background: #fff; border: 1px solid var(--border); border-radius: 10px; margin-bottom: 20px; }
.panel-header { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.panel-header h4 { font-size: 14px; color: var(--navy); }
.panel-body { padding: 18px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { background: var(--navy); color: #fff; padding: 10px 12px; text-align: left; }
td { padding: 9px 12px; border-bottom: 1px solid #f0f0f0; }
tr:hover td { background: var(--light-grey); }
.btn-sm { padding: 4px 10px; border-radius: 4px; font-size: 11px; border: 1px solid; cursor: pointer; }
.btn-hapus { color: var(--danger); border-color: var(--danger); background: none; }
.btn-hapus:hover { background: var(--danger); color: #fff; }
.btn-aktif { color: var(--success); border-color: var(--success); background: none; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; font-weight: bold; color: var(--grey); margin-bottom: 4px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; font-family: Arial, sans-serif; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--blue); }
.btn-submit { padding: 10px 24px; background: var(--navy); color: #fff; border: none; border-radius: 6px; font-size: 13px; font-weight: bold; }
.alert { padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 14px; display: none; }
.alert-ok { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-err { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.tabs { display: flex; border-bottom: 2px solid var(--border); margin-bottom: 20px; }
.tab { padding: 10px 18px; cursor: pointer; font-size: 13px; color: var(--grey); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab.aktif { color: var(--navy); border-bottom-color: var(--navy); font-weight: bold; }
.tab-panel { display: none; }
.tab-panel.aktif { display: block; }
.badge-merah { background: #fde8e8; color: var(--danger); padding: 2px 8px; border-radius: 10px; font-size: 11px; }
.badge-abu { background: #ececec; color: var(--grey); padding: 2px 8px; border-radius: 10px; font-size: 11px; white-space: nowrap; }
.sumber-badge.klik { cursor: pointer; }
.sumber-badge.klik:hover { background: var(--navy); color: #fff; }
.opsional { font-weight: normal; color: #999; font-size: 10px; }
.btn-biru { color: var(--blue); border-color: var(--blue); background: none; }
.btn-biru:hover { background: var(--blue); color: #fff; }

/* ── Sitasi terverifikasi (Citations API) ── */
.sitasi-n { display: inline-block; background: var(--light-blue); color: var(--navy);
            font-size: 10px; font-weight: bold; padding: 0 5px; border-radius: 8px;
            margin: 0 1px; vertical-align: super; line-height: 1.5; }
.kutipan-panel { margin-top: 8px; font-size: 12px; max-width: 70%; }
.kutipan-panel summary { cursor: pointer; color: var(--blue); font-size: 11px; }
.kutipan-item { background: #fff; border: 1px solid var(--border); border-left: 3px solid var(--blue);
                border-radius: 6px; padding: 8px 10px; margin-top: 6px; line-height: 1.5; }
.kutipan-item.klik { cursor: pointer; }
.kutipan-item.klik:hover { background: var(--light-blue); }
.kutipan-teks { font-style: italic; color: #333; }
.kutipan-asal { display: block; margin-top: 4px; font-size: 11px; color: var(--grey); font-weight: bold; }

/* Baris tema hasil pengelompokan gap */
.grup-baris td { background: var(--light-blue); color: var(--navy); font-weight: bold; font-size: 12px; }

/* ── Markdown ringan (jawaban bot, FAQ, laporan) ── */
.md-judul { font-weight: bold; color: var(--navy); margin: 10px 0 4px; }
.md-poin { padding-left: 14px; margin: 2px 0; }
.msg-bubble code, .faq-jawaban code { background: #eef1f5; padding: 1px 5px; border-radius: 4px; font-size: 12px; font-family: Consolas, monospace; }
.msg-bubble .md-judul:first-child { margin-top: 0; }

/* Kursor berkedip saat jawaban sedang diketik (streaming) */
.kursor-ketik::after { content: '▋'; color: var(--blue); animation: blink 1s infinite; margin-left: 2px; }

/* ── Navigasi mobile ── */
.btn-menu { display: none; background: none; border: none; font-size: 22px; color: var(--navy); margin-right: 12px; padding: 0 4px; }
.btn-riwayat { display: none; background: none; border: 1px solid var(--border); border-radius: 6px; padding: 5px 12px; font-size: 12px; color: var(--grey); }
.backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 90; }
.backdrop.tampil { display: block; }

@media (max-width: 768px) {
  .btn-menu { display: block; }
  .btn-riwayat { display: inline-block; }

  /* Sidebar utama jadi menu geser */
  .sidebar { position: fixed; top: 0; left: 0; bottom: 0; z-index: 95; width: 250px;
             transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.terbuka { transform: none; box-shadow: 4px 0 24px rgba(0,0,0,.35); }

  /* Riwayat sesi chat jadi panel geser */
  .chat-sidebar { position: fixed; top: 0; left: 0; bottom: 0; z-index: 94; width: 260px;
                  transform: translateX(-100%); transition: transform .25s ease; }
  .chat-sidebar.terbuka { transform: none; box-shadow: 4px 0 24px rgba(0,0,0,.35); }

  .msg-bubble { max-width: 86%; }
  .kutipan-panel { max-width: 100%; }
  .content { padding: 14px; }
  .topbar { padding: 10px 14px; }
  .chat-messages { padding: 14px 10px; }
  .chat-input-area { padding: 10px 12px; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .stat-angka { font-size: 22px; }

  .tabs { overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
  .tab { flex: 0 0 auto; padding: 10px 12px; }

  .panel-body { overflow-x: auto; }
  /* Form grid dua kolom jadi satu kolom */
  .panel-body div[style*="grid-template-columns"],
  #modalEdit div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
  .form-group[style*="span 2"] { grid-column: auto !important; }

  .search-bar { flex-wrap: wrap; }
  .login-card { width: 92%; padding: 30px 22px; }
}

/* ── FAQ (perpustakaan) ── */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; }
.faq-item summary { padding: 12px 16px; font-size: 13px; font-weight: bold; color: var(--navy); cursor: pointer; }
.faq-item summary:hover { background: var(--light-blue); border-radius: 8px; }
.faq-jawaban { padding: 0 16px 14px; font-size: 13px; line-height: 1.6; color: #262626; }
.faq-kategori { margin-top: 8px; font-size: 11px; color: var(--grey); }