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

:root{
  --primary-dark:#3c043d;
  --primary:#6a066e;
  --tint-mid:#e0c3e3;
  --tint-light:#f3e6f4;
  --bg:#faf8f6;
  --text:#2b1a2c;
  --text-soft:#6b566d;
  --border:#e6dbe7;
  --accent:#c9a227;
  --white:#ffffff;
  --radius:12px;
  --sidebar-w:280px;
}

*{box-sizing:border-box; margin:0; padding:0;}

html{scroll-behavior:smooth;}

body{
  font-family:'Manrope',sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
}

a{color:var(--primary); text-decoration:none;}
a:hover{text-decoration:underline;}

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

/* ===== Sidebar ===== */
.sidebar{
  width:var(--sidebar-w);
  background:var(--primary-dark);
  color:var(--white);
  position:fixed;
  top:0; left:0; bottom:0;
  overflow-y:auto;
  transition:transform .25s ease;
  z-index:100;
}
.sidebar-brand{
  display:block;
  padding:26px 22px;
  border-bottom:1px solid rgba(255,255,255,.12);
  color:var(--white);
}
.sidebar-brand strong{display:block; font-size:17px; font-weight:800; letter-spacing:.2px;}
.sidebar-brand span{display:block; font-size:12.5px; color:var(--tint-mid); margin-top:3px; font-weight:500;}

.sidebar-nav{padding:10px 0 40px;}

.nav-group{border-bottom:1px solid rgba(255,255,255,.06);}
.nav-group-title{
  width:100%;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 22px;
  background:none; border:none;
  color:var(--tint-mid);
  font-family:inherit; font-size:12.5px; font-weight:700;
  text-transform:uppercase; letter-spacing:.6px;
  cursor:pointer;
}
.nav-group-title:hover{color:var(--white);}
.nav-group-title .chev{display:inline-block; vertical-align:middle; flex-shrink:0; transition:transform .2s ease;}
.nav-group.open .nav-group-title .chev{transform:rotate(90deg);}

.nav-group-items{
  max-height:0; overflow:hidden;
  transition:max-height .25s ease;
}
.nav-group.open .nav-group-items{max-height:600px;}

.nav-group-items a{
  display:block;
  padding:10px 22px 10px 30px;
  color:rgba(255,255,255,.78);
  font-size:14px; font-weight:500;
  border-left:3px solid transparent;
}
.nav-group-items a:hover{background:rgba(255,255,255,.06); color:var(--white); text-decoration:none;}
.nav-group-items a.active{
  background:rgba(255,255,255,.09);
  color:var(--white);
  border-left-color:var(--accent);
  font-weight:700;
}

/* ===== Content ===== */
.content{
  margin-left:var(--sidebar-w);
  flex:1;
  min-width:0;
  padding:56px 64px 100px;
  display:flex;
  justify-content:center;
}
.content-inner{
  width:100%;
  max-width:760px;
}

.content-inner h1{
  font-size:32px; font-weight:800; color:var(--primary-dark);
  margin-bottom:6px; letter-spacing:-.3px;
}
.content-inner .kicker{
  font-size:13px; font-weight:700; color:var(--primary);
  text-transform:uppercase; letter-spacing:.8px; margin-bottom:10px;
}
.content-inner h2{
  font-size:23px; font-weight:800; color:var(--primary-dark);
  margin:44px 0 16px; padding-top:8px; border-top:1px solid var(--border);
}
.content-inner h2:first-of-type{border-top:none; padding-top:0;}
.content-inner h3{
  font-size:18px; font-weight:700; color:var(--primary);
  margin:26px 0 10px;
}
.content-inner p{margin-bottom:16px; color:var(--text);}
.content-inner ul, .content-inner ol{margin:0 0 16px 22px;}
.content-inner li{margin-bottom:8px;}
.content-inner strong{color:var(--primary-dark); font-weight:700;}

/* Learning Objectives box */
.lo-box{
  background:var(--tint-light);
  border:1px solid var(--tint-mid);
  border-radius:var(--radius);
  padding:22px 26px;
  margin-bottom:36px;
}
.lo-box h3{margin-top:0; color:var(--primary-dark); font-size:15px; text-transform:uppercase; letter-spacing:.5px;}
.lo-box ul{margin-bottom:0;}

/* Callout boxes: contoh, tips, insight */
.callout{
  border-radius:var(--radius);
  padding:20px 24px;
  margin:20px 0 28px;
  border:1px solid var(--border);
}
.callout-label{
  font-weight:800; font-size:14px; margin-bottom:8px;
  display:flex; align-items:center; gap:8px;
}
.callout-contoh{background:var(--tint-light); border-color:var(--tint-mid);}
.callout-tips{background:#fdf8ec; border-color:#eddfae;}
.callout-insight{background:var(--primary-dark); color:var(--white); border-color:var(--primary-dark);}
.callout-insight .callout-label{color:var(--tint-mid);}
.callout-insight p, .callout-insight li{color:rgba(255,255,255,.92);}
.callout-insight strong{color:var(--white);}

/* Card grid — 1 kolom vertikal ke bawah, memanjang mengikuti lebar konten */
.card-grid{
  display:flex;
  flex-direction:column;
  gap:14px;
  margin:20px 0 32px;
}
.card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 22px;
}
.card h4{font-size:15.5px; color:var(--primary-dark); margin-bottom:8px; font-weight:800;}
.card p{font-size:14px; color:var(--text-soft); margin-bottom:6px;}
.card p:last-child{margin-bottom:0;}

/* Placeholder visual marker (temporary, removed once SVG dibuat) */
.viz-placeholder{
  border:2px dashed var(--tint-mid);
  border-radius:var(--radius);
  padding:28px;
  text-align:center;
  color:var(--text-soft);
  font-size:13.5px;
  background:var(--tint-light);
  margin:18px 0 28px;
}

/* Container untuk SVG diagram yang sudah jadi (menggantikan placeholder) */
.svg-diagram{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  margin:18px 0 28px;
  text-align:center;
}
.svg-diagram svg{max-width:100%; height:auto;}

.svg-diagram-grid{
  display:flex;
  gap:16px;
  width:100%;
}
.svg-diagram-grid .svg-diagram-item{
  flex:1;
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
@media (max-width:640px){
  .svg-diagram-grid{
    flex-direction:column;
    gap:16px;
  }
}

/* Checklist */
.checklist{list-style:none; margin-left:0;}
.checklist li{padding-left:26px; position:relative;}
.checklist li::before{content:""; position:absolute; left:0; top:3px; width:16px; height:16px; border-radius:4px; background:var(--primary); }
.checklist li::after{content:""; position:absolute; left:4px; top:6px; width:8px; height:4px; border-left:2px solid var(--white); border-bottom:2px solid var(--white); transform:rotate(-45deg);}

/* Inline icon (pengganti emoji, aman untuk WordPress) */
.icon-inline{width:18px; height:18px; display:inline-block; vertical-align:-4px; flex-shrink:0;}
.callout-label .icon-inline{margin-right:2px;}
.viz-placeholder .icon-inline{width:22px; height:22px; vertical-align:-6px; margin-right:4px;}

/* Table */
.content-inner table{width:100%; border-collapse:collapse; margin:16px 0 28px;}
.content-inner th, .content-inner td{padding:10px 14px; border:1px solid var(--border); font-size:14.5px; text-align:left;}
.content-inner th{background:var(--tint-light); color:var(--primary-dark); font-weight:700;}

/* Mobile stacked table */
@media (max-width:640px){
  .content table, .content thead, .content tbody, .content th, .content td, .content tr{display:block;}
  .content thead{display:none;}
  .content tr{border:1px solid var(--border); border-radius:8px; margin-bottom:12px; padding:10px 14px;}
  .content td{border:none; padding:4px 0;}
  .content td::before{content:attr(data-label); display:block; font-size:11px; font-weight:700; color:var(--primary); text-transform:uppercase;}
  .card{flex-basis:100%;}
}

/* Hamburger (mobile) */
.hamburger{
  display:none;
  position:fixed; top:16px; left:16px; z-index:300;
  background:var(--primary-dark); color:var(--white);
  border:none; border-radius:8px; width:42px; height:42px;
  cursor:pointer;
  align-items:center; justify-content:center;
}
.hamburger svg{width:20px; height:20px;}
.hamburger .icon-close{display:none;}
.hamburger.is-open .icon-menu{display:none;}
.hamburger.is-open .icon-close{display:block;}
.overlay{display:none; position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:99;}

@media (max-width:960px){
  .sidebar{transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  .sidebar.open .sidebar-brand{padding-left:66px;}
  .content{margin-left:0; padding:80px 20px 80px; justify-content:flex-start;}
  .content-inner{max-width:100%;}
  .hamburger{display:flex;}
  .overlay.show{display:block;}
}

@media (max-width:480px){
  .content-inner h1{font-size:26px;}
  .content-inner h2{font-size:20px;}
  .lo-box, .callout{padding:16px 18px;}
}

/* ===================== PASSWORD GATE ===================== */
html.hb-locked, html.hb-locked body{ overflow:hidden; height:100%; }
html.hb-locked .app, html.hb-locked .hamburger{
  filter: blur(10px) saturate(0.9);
  pointer-events: none;
  user-select: none;
  transition: filter .2s ease;
}
#hb-auth-overlay{
  position:fixed; inset:0; z-index:9999;
  display:none;
  align-items:center; justify-content:center;
  background: rgba(60,4,61,0.6);
  backdrop-filter: blur(3px);
  padding: 20px;
}
html.hb-locked #hb-auth-overlay{ display:flex; }
#hb-auth-card{
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 34px 30px 28px;
  width: min(360px, 100%);
  box-shadow: 0 20px 60px rgba(60,4,61,0.35);
  text-align: center;
  font-family: 'Manrope', sans-serif;
  animation: hb-pop .18s ease;
}
@keyframes hb-pop{ from{ opacity:0; transform:translateY(6px) scale(.98); } to{ opacity:1; transform:translateY(0) scale(1); } }
#hb-auth-mark{
  width:44px; height:44px; border-radius:12px; margin:0 auto 16px;
  background:linear-gradient(135deg, var(--primary-dark), var(--primary));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family: 'Manrope', sans-serif; font-weight:700; font-size:18px;
  box-shadow: 0 4px 12px rgba(60,4,61,0.25);
}
#hb-auth-card h2{
  font-family: 'Manrope', sans-serif; font-weight:700; font-size:18px;
  color: var(--text); margin: 0 0 6px;
}
#hb-auth-card p{
  font-size: 13.5px; color: var(--text-soft); margin: 0 0 20px; line-height:1.5;
}
#hb-auth-form{ display:flex; flex-direction:column; gap:10px; }
#hb-auth-input{
  width:100%; padding:11px 14px; border-radius:9px;
  border:1.5px solid var(--border); background:var(--tint-light);
  font-family: 'Manrope', sans-serif; font-size:14.5px; color:var(--text);
  outline:none; text-align:center; letter-spacing:.03em;
  transition: border-color .15s ease;
}
#hb-auth-input:focus{ border-color: var(--primary); }
#hb-auth-submit{
  width:100%; padding:11px 14px; border-radius:9px; border:none; cursor:pointer;
  background: var(--primary); color:#fff;
  font-family: 'Manrope', sans-serif; font-weight:700; font-size:14px;
  transition: background .15s ease, transform .1s ease;
}
#hb-auth-submit:hover{ background: var(--primary-dark); }
#hb-auth-submit:active{ transform: scale(.98); }
#hb-auth-error{
  font-size:12.5px; color:#B91C1C; min-height:16px; margin-top:2px;
  font-family: 'Manrope', sans-serif; font-weight:600;
}