/* =========================================================================
   PEMAHAMAN CEPAT PROPOSAL — style.css
   Dipisah dari index.html supaya mudah dirawat/diaudit. Murni CSS, tidak ada
   ketergantungan build step — cukup di-link biasa lewat <link rel="stylesheet">.
   ========================================================================= */
:root{
  --navy-900:#0b1c3d;
  --navy-800:#122a52;
  --navy-700:#1c3a6e;
  --navy-600:#274a86;
  --navy-100:#e8edf7;
  --navy-50:#f4f7fc;
  --gold-700:#8a6d1d;
  --gold-500:#c9a227;
  --gold-100:#faf3dc;
  --gray-bg:#f3f5f9;
  --ink:#1c2536;
  --muted:#5b6472;
  --line:#dde3ee;
  --wajib:#1c3a6e;
  --wajib-bg:#e8edf7;
  --pendukung:#5b6472;
  --pendukung-bg:#eef0f4;
  --amunisi:#8a6d1d;
  --amunisi-bg:#faf3dc;
  --ok:#1e6b46;
  --ok-bg:#e5f3ec;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--gray-bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55;
}
a{color:inherit;}
h1,h2,h3,h4{margin:0 0 .4em 0; color:var(--navy-900); font-weight:700;}
p{margin:0 0 .7em 0;}
.serif{font-family:Georgia,"Times New Roman",serif;}

/* ---------- layout ---------- */
.app{display:flex; min-height:100vh;}
.sidebar{
  width:290px; flex:0 0 290px; background:var(--navy-900); color:#fff;
  position:sticky; top:0; height:100vh; overflow-y:auto; padding:18px 14px 40px;
  border-right:4px solid var(--gold-500);
}
.sidebar h2{color:#fff; font-size:.78rem; letter-spacing:.06em; text-transform:uppercase;
  color:#c9d3ea; margin:18px 0 6px; padding-left:6px;}
.sidebar h2:first-child{margin-top:0;}
.side-link{
  display:flex; justify-content:space-between; gap:8px; width:100%; text-align:left;
  background:none; border:none; color:#dbe3f4; font-size:.82rem; padding:6px 8px;
  border-radius:6px; cursor:pointer; line-height:1.35;
}
.side-link:hover{background:rgba(255,255,255,.08); color:#fff;}
.side-link .pg{color:var(--gold-500); font-weight:700; white-space:nowrap; font-size:.75rem;}
.side-brand{padding:6px 6px 14px; border-bottom:1px solid rgba(255,255,255,.15); margin-bottom:6px;}
.side-brand .tag{display:inline-block; background:var(--gold-500); color:#3a2e08; font-weight:700;
  font-size:.68rem; padding:2px 8px; border-radius:999px; letter-spacing:.04em;}
.side-brand .name{color:#fff; font-weight:700; font-size:.95rem; margin-top:8px;}
.side-brand .sub{color:#aebcdc; font-size:.72rem;}

.main{flex:1; min-width:0;}
.topbar{
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  color:#fff; padding:22px 28px; position:relative;
}
.topbar .kicker{color:var(--gold-500); font-weight:700; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase;}
.topbar h1{color:#fff; font-size:1.35rem; max-width:900px; margin-top:6px;}
.topbar .meta{color:#c9d3ea; font-size:.85rem; margin-top:6px;}
.topbar .row{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px; align-items:center;}
.status-pill{background:var(--ok-bg); color:var(--ok); font-weight:700; font-size:.78rem;
  padding:6px 12px; border-radius:999px; border:1px solid #bfe3cf;}
.timer-box{background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.25); border-radius:10px;
  padding:6px 12px; font-size:.82rem; display:flex; align-items:center; gap:8px;}
.timer-box button{background:var(--gold-500); border:none; color:#3a2e08; font-weight:700; font-size:.74rem;
  padding:5px 10px; border-radius:6px; cursor:pointer;}
.timer-box button.secondary{background:transparent; color:#fff; border:1px solid rgba(255,255,255,.4);}
#hamburger{display:none;}

.container{max-width:1100px; margin:0 auto; padding:26px 24px 80px;}
section.block{background:#fff; border:1px solid var(--line); border-radius:14px; padding:22px 24px;
  margin-bottom:22px; box-shadow:0 1px 2px rgba(20,30,60,.04);}
section.block > h2{font-size:1.15rem; display:flex; align-items:center; gap:8px; flex-wrap:wrap;}
section.block > .sub-desc{color:var(--muted); font-size:.88rem; margin-top:-6px; margin-bottom:14px;}
.sec-num{background:var(--navy-800); color:#fff; font-size:.72rem; font-weight:700; width:26px; height:26px;
  border-radius:7px; display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto;}

/* ---------- badges ---------- */
.badge{display:inline-flex; align-items:center; gap:5px; font-size:.68rem; font-weight:700; padding:3px 9px;
  border-radius:999px; letter-spacing:.02em; white-space:nowrap;}
.badge-wajib{background:var(--wajib-bg); color:var(--wajib); border:1px solid #c7d3ea;}
.badge-pendukung{background:var(--pendukung-bg); color:var(--pendukung); border:1px solid #d7dbe2;}
.badge-amunisi{background:var(--amunisi-bg); color:var(--amunisi); border:1px solid #ecd98e;}
.badge-page{background:var(--navy-100); color:var(--navy-800); border:1px solid #c7d3ea; font-weight:700;}

/* ---------- search ---------- */
.search-wrap{display:flex; gap:10px; flex-wrap:wrap;}
.search-input{flex:1; min-width:220px; padding:12px 14px; border:1.5px solid var(--line); border-radius:10px;
  font-size:.95rem; outline:none;}
.search-input:focus{border-color:var(--navy-600);}
.btn{background:var(--navy-800); color:#fff; border:none; padding:12px 18px; border-radius:10px; font-weight:600;
  font-size:.88rem; cursor:pointer;}
.btn:hover{background:var(--navy-700);}
.btn-ghost{background:#fff; color:var(--navy-800); border:1.5px solid var(--navy-800);}
.btn-gold{background:var(--gold-500); color:#3a2e08;}
.result-card{border:1px solid var(--line); border-radius:10px; padding:14px 16px; margin-top:12px; background:var(--navy-50);}
.result-card .title{font-weight:700; color:var(--navy-900); font-size:.96rem;}
.result-card .loc{font-size:.78rem; color:var(--muted); margin:4px 0 8px;}
.result-card .snippet{font-size:.88rem; color:#374151;}
.result-card .actions{margin-top:10px;}
.empty-note{color:var(--muted); font-size:.88rem; padding:10px 0;}
.chip{display:inline-block; background:#fff; border:1px solid var(--line); border-radius:999px; padding:5px 12px;
  font-size:.8rem; margin:4px 6px 0 0; cursor:pointer;}
.chip:hover{border-color:var(--navy-600); color:var(--navy-700);}

/* ---------- KENAPA 3 METODE (hero wajib, selalu terbuka) ---------- */
.hero-wajib{
  background:linear-gradient(160deg,#132e5c,#0b1c3d 60%);
  border:1px solid #23407a; border-radius:16px; padding:24px 26px; margin-bottom:22px;
  color:#eef2fb; position:relative; overflow:hidden;
}
.hero-wajib::before{
  content:""; position:absolute; top:-60px; right:-60px; width:220px; height:220px; border-radius:50%;
  background:radial-gradient(circle, rgba(201,162,39,.28), transparent 70%);
}
.hero-wajib .hero-tag{
  display:inline-flex; align-items:center; gap:6px; background:var(--gold-500); color:#3a2e08;
  font-weight:800; font-size:.72rem; letter-spacing:.03em; padding:5px 12px; border-radius:999px; margin-bottom:12px;
}
.hero-wajib h2{color:#fff; font-size:1.2rem; position:relative; z-index:1; max-width:760px;}
.hero-wajib .hero-ref{color:#b9c6e6; font-size:.8rem; margin-bottom:10px; position:relative; z-index:1;}
.hero-wajib .hero-lead{color:#dbe4f7; font-size:.92rem; position:relative; z-index:1; max-width:820px;}
.hero-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:16px; position:relative; z-index:1;}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr;}}
.hero-card{
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16); border-radius:12px;
  padding:16px 16px; backdrop-filter:blur(2px);
}
.hero-card .hc-num{
  display:inline-flex; align-items:center; justify-content:center; width:24px; height:24px; border-radius:50%;
  background:var(--gold-500); color:#3a2e08; font-weight:800; font-size:.76rem; margin-bottom:8px;
}
.hero-card h4{color:#fff; font-size:.9rem; margin-bottom:6px; line-height:1.35;}
.hero-card p{color:#c8d2ea; font-size:.82rem; margin:0;}

/* ---------- chatbot (bubble di dalam panel) ---------- */
.chat-box{border:1px solid var(--line); border-radius:12px; background:var(--navy-50); height:360px;
  overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:10px;}
.msg{max-width:82%; padding:10px 13px; border-radius:14px; font-size:.88rem; line-height:1.5; box-shadow:0 1px 1px rgba(20,30,60,.04);}
.msg.user{align-self:flex-end; background:var(--navy-800); color:#fff; border-bottom-right-radius:3px;}
.msg.bot{align-self:flex-start; background:#fff; border:1px solid var(--line); color:var(--ink); border-bottom-left-radius:3px;}
.msg .pgref{margin-top:8px; font-size:.78rem; color:var(--gold-700); font-weight:700;}
.msg .btn{margin-top:8px; padding:6px 12px; font-size:.76rem;}
.chat-input-row{display:flex; gap:8px; margin-top:12px;}
.chat-input-row input{flex:1; padding:11px 14px; border:1.5px solid var(--line); border-radius:10px; font-size:.9rem;}
.chat-teaser{display:flex; align-items:center; gap:14px; flex-wrap:wrap;}
.chat-teaser-icon{
  width:46px; height:46px; border-radius:50%; background:var(--navy-800); color:#fff; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center; font-size:1.3rem;
}

/* ---------- floating chatbot widget (kanan bawah) ---------- */
.chat-fab{
  position:fixed; right:24px; bottom:24px; width:60px; height:60px; border-radius:50%;
  background:linear-gradient(150deg,var(--navy-700),var(--navy-900)); color:#fff; display:flex;
  align-items:center; justify-content:center; font-size:1.55rem; cursor:pointer; z-index:1000;
  box-shadow:0 10px 26px rgba(11,28,61,.38); border:2px solid rgba(255,255,255,.15);
  transition:transform .18s ease, box-shadow .18s ease;
}
.chat-fab:hover{transform:translateY(-2px) scale(1.04); box-shadow:0 14px 30px rgba(11,28,61,.45);}
.chat-fab.active{background:linear-gradient(150deg,#b8433a,#8f2f28);}
.chat-fab-ping{
  position:absolute; top:-2px; right:-2px; width:15px; height:15px; border-radius:50%;
  background:var(--gold-500); border:2px solid #fff; animation:fabPulse 2.2s infinite;
}
@keyframes fabPulse{
  0%{ box-shadow:0 0 0 0 rgba(201,162,39,.55); }
  70%{ box-shadow:0 0 0 9px rgba(201,162,39,0); }
  100%{ box-shadow:0 0 0 0 rgba(201,162,39,0); }
}
.chat-panel{
  position:fixed; right:24px; bottom:96px; width:378px; max-width:calc(100vw - 32px);
  height:520px; max-height:calc(100vh - 140px); background:#fff; border-radius:18px;
  box-shadow:0 24px 60px rgba(10,20,45,.28); z-index:1000; display:flex; flex-direction:column;
  overflow:hidden; transform:translateY(16px) scale(.97); opacity:0; pointer-events:none;
  transition:transform .2s ease, opacity .2s ease; border:1px solid var(--line);
}
.chat-panel.open{transform:translateY(0) scale(1); opacity:1; pointer-events:auto;}
.chat-panel-head{
  background:linear-gradient(120deg,var(--navy-900),var(--navy-700)); color:#fff; padding:16px 18px;
  display:flex; justify-content:space-between; align-items:flex-start; gap:10px; flex:0 0 auto;
}
.chat-panel-head .cph-title{font-weight:700; font-size:.98rem; display:flex; align-items:center; gap:8px;}
.chat-panel-head .cph-title .dot{width:8px; height:8px; border-radius:50%; background:#3ddc84; display:inline-block;}
.chat-panel-head .cph-sub{color:#c9d3ea; font-size:.74rem; margin-top:4px;}
.chat-close{background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.25); color:#fff; width:28px;
  height:28px; border-radius:8px; cursor:pointer; font-size:.85rem; flex:0 0 auto; line-height:1;}
.chat-close:hover{background:rgba(255,255,255,.22);}
.chat-panel-body{
  flex:1; overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:10px;
  background:linear-gradient(180deg,var(--navy-50),#fdfefe 140px);
}
.chat-panel-input{display:flex; gap:8px; padding:12px 14px; border-top:1px solid var(--line); flex:0 0 auto; background:#fff;}
.chat-panel-input input{flex:1; padding:10px 13px; border:1.5px solid var(--line); border-radius:10px; font-size:.86rem; outline:none;}
.chat-panel-input input:focus{border-color:var(--navy-600);}
.chat-panel-input button{padding:10px 16px; font-size:.82rem;}
@media (max-width:480px){
  .chat-panel{right:16px; left:16px; width:auto; bottom:88px;}
  .chat-fab{right:16px; bottom:16px;}
}

/* ---------- accordion ---------- */
.accordion-item{border:1px solid var(--line); border-radius:10px; margin-bottom:10px; overflow:hidden;}
.accordion-head{width:100%; text-align:left; background:#fff; border:none; padding:14px 16px; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center; gap:10px; font-size:.92rem; font-weight:600;
  color:var(--navy-900);}
.accordion-head:hover{background:var(--navy-50);}
.accordion-head .chevron{transition:transform .18s ease; color:var(--navy-600); flex:0 0 auto;}
.accordion-item.open .chevron{transform:rotate(180deg);}
.accordion-body{max-height:0; overflow:hidden; transition:max-height .22s ease; background:#fbfcfe;}
.accordion-item.open .accordion-body{max-height:none;}
.accordion-body-inner{padding:4px 18px 18px; font-size:.88rem; color:#374151;}
.accordion-body-inner p{margin-bottom:.6em;}
.accordion-body-inner .box{background:var(--gold-100); border:1px solid #ecd98e; border-radius:8px; padding:12px 14px; margin-top:10px;}
.accordion-body-inner .box .q{font-weight:700; color:var(--gold-700); margin-bottom:6px; font-size:.85rem;}
.flash{animation:flashHi 1.6s ease;}
@keyframes flashHi{0%{background:#fff2c2;}100%{background:transparent;}}

/* ---------- tabs ---------- */
.tabs{display:flex; gap:8px; flex-wrap:wrap; margin-bottom:16px;}
.tab-btn{background:#fff; border:1.5px solid var(--line); padding:9px 16px; border-radius:999px; font-weight:600;
  font-size:.86rem; cursor:pointer; color:var(--muted);}
.tab-btn.active{background:var(--navy-800); border-color:var(--navy-800); color:#fff;}
.tab-panel{display:none;}
.tab-panel.active{display:block;}
.kv-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px; margin-top:14px;}
@media (max-width:680px){.kv-grid{grid-template-columns:1fr;}}
.kv-card{border:1px solid var(--line); border-radius:10px; padding:14px 16px; background:var(--navy-50);}
.kv-card h4{font-size:.86rem; color:var(--navy-800); margin-bottom:6px;}
.kv-card.good{border-left:4px solid var(--ok);}
.kv-card.bad{border-left:4px solid #b8433a;}
.kv-card.fit{border-left:4px solid var(--gold-500);}

/* ---------- crisp-dm diagram ---------- */
.flow{display:flex; flex-direction:column; align-items:center; gap:4px;}
.flow-node{width:100%; max-width:560px; padding:13px 20px; text-align:center; font-weight:600; font-size:.9rem;
  cursor:pointer; border:1.8px solid var(--navy-800); color:var(--navy-900); background:#fff; position:relative;}
.flow-node:hover{background:var(--navy-50);}
.flow-node.selected{background:var(--navy-800); color:#fff;}
.flow-node.oval{border-radius:999px;}
.flow-node.parallelogram{transform:skewX(-12deg); width:80%;}
.flow-node.parallelogram > span{display:inline-block; transform:skewX(12deg);}
.flow-node.predefined{border-width:2px; box-shadow:inset 0 0 0 4px #fff, inset 0 0 0 6px var(--navy-800);
  padding-left:26px; padding-right:26px;}
.flow-arrow{color:var(--navy-700); font-size:1.3rem; line-height:1;}
.flow-detail{margin-top:16px; border:1px solid var(--line); border-radius:10px; padding:16px 18px; background:var(--navy-50); font-size:.88rem;}

/* ---------- literature table ---------- */
.filter-row{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:14px;}
.filter-btn{background:#fff; border:1.5px solid var(--line); padding:7px 14px; border-radius:999px; font-size:.8rem;
  font-weight:600; color:var(--muted); cursor:pointer;}
.filter-btn.active{background:var(--gold-500); border-color:var(--gold-500); color:#3a2e08;}
.lit-card{border:1px solid var(--line); border-radius:10px; padding:12px 14px; margin-bottom:10px;}
.lit-card .head{display:flex; justify-content:space-between; gap:10px; flex-wrap:wrap; align-items:baseline;}
.lit-card .head .who{font-weight:700; color:var(--navy-900); font-size:.9rem;}
.lit-card .head .yr{color:var(--muted); font-size:.8rem;}
.lit-card .jtitle{font-size:.86rem; font-style:italic; margin:4px 0;}
.lit-card .kat{font-size:.72rem;}
.lit-card .rel{font-size:.84rem; color:#374151; margin-top:6px; border-top:1px dashed var(--line); padding-top:6px;}

/* ---------- belajar cepat ---------- */
.progress-bar{height:10px; background:var(--navy-100); border-radius:999px; overflow:hidden; margin:10px 0 18px;}
.progress-fill{height:100%; background:linear-gradient(90deg,var(--gold-500),var(--navy-700)); width:0%; transition:width .3s ease;}
.blok-card{border:1px solid var(--line); border-radius:12px; padding:16px 18px; margin-bottom:14px;}
.blok-card h3{font-size:.98rem; display:flex; gap:8px; align-items:center;}
.blok-num{background:var(--navy-800); color:#fff; width:26px; height:26px; border-radius:50%; display:inline-flex;
  align-items:center; justify-content:center; font-size:.78rem; font-weight:700;}
.chk-item{display:flex; gap:10px; align-items:flex-start; padding:8px 0; border-top:1px solid #eef1f6;}
.chk-item:first-of-type{border-top:none;}
.chk-item input{margin-top:4px; width:16px; height:16px; accent-color:var(--navy-800); flex:0 0 auto;}
.chk-item label{font-size:.87rem; cursor:pointer;}
.chk-item.done label{color:var(--muted); text-decoration:line-through;}

/* ---------- misc ---------- */
.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:14px;}
@media (max-width:820px){.grid-3{grid-template-columns:1fr;}}
.info-card{border:1px solid var(--line); border-radius:10px; padding:14px 16px; background:var(--navy-50);}
.table-lite{width:100%; border-collapse:collapse; font-size:.84rem;}
.table-lite th,.table-lite td{text-align:left; padding:8px 10px; border-bottom:1px solid var(--line); vertical-align:top;}
.table-lite th{background:var(--navy-100); color:var(--navy-900); font-size:.76rem; text-transform:uppercase; letter-spacing:.02em;}
footer{text-align:center; color:var(--muted); font-size:.78rem; padding:20px; }

@media (max-width:900px){
  .sidebar{position:fixed; z-index:1100; left:0; top:0; transform:translateX(-100%); transition:transform .2s ease; box-shadow:6px 0 24px rgba(0,0,0,.25);}
  .sidebar.open{transform:translateX(0);}
  #hamburger{display:inline-flex; align-items:center; gap:8px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.3);
    color:#fff; padding:7px 12px; border-radius:8px; font-size:.8rem; cursor:pointer; margin-bottom:10px;}
  .sidebar-overlay{display:none; position:fixed; inset:0; background:rgba(10,15,30,.45); z-index:1050;}
  .sidebar-overlay.show{display:block;}
  .kv-grid{grid-template-columns:1fr;}
}