/* =========================================================
   Try Out AI Essentials — gaya dasar
   Dipakai bersama Bootstrap 5 (CDN). Warna diatur lewat token.
   ========================================================= */

:root {
  --brand: #2b4acb;
  --brand-dark: #1e3596;
  --brand-soft: #e8edff;
  --accent: #f5a524;

  --ok: #16a34a;
  --ok-soft: #e7f7ec;
  --bad: #dc2626;
  --bad-soft: #fdecec;
  --warn: #d97706;
  --warn-soft: #fff4e0;

  --ink: #1b2134;
  --ink-2: #4b5468;
  --ink-3: #7c8496;
  --line: #e3e7ef;
  --surface: #ffffff;
  --page: #f4f6fb;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(20, 30, 60, .06), 0 6px 20px rgba(20, 30, 60, .06);

  /* Sambungkan token ke variabel Bootstrap */
  --bs-primary: var(--brand);
  --bs-primary-rgb: 43, 74, 203;
  --bs-body-font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --bs-body-color: var(--ink);
  --bs-body-bg: var(--page);
  --bs-border-color: var(--line);
  --bs-link-color: var(--brand);
  --bs-link-hover-color: var(--brand-dark);
}

body {
  background: var(--page);
  color: var(--ink);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; }

/* ---------- Tombol ---------- */
.btn-primary {
  --bs-btn-bg: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand-dark);
  --bs-btn-hover-border-color: var(--brand-dark);
  --bs-btn-active-bg: var(--brand-dark);
  --bs-btn-active-border-color: var(--brand-dark);
  --bs-btn-disabled-bg: var(--brand);
  --bs-btn-disabled-border-color: var(--brand);
}
.btn-outline-primary {
  --bs-btn-color: var(--brand);
  --bs-btn-border-color: var(--brand);
  --bs-btn-hover-bg: var(--brand);
  --bs-btn-hover-border-color: var(--brand);
  --bs-btn-active-bg: var(--brand-dark);
  --bs-btn-active-border-color: var(--brand-dark);
}
.btn { border-radius: var(--radius-sm); font-weight: 600; }

/* ---------- Navbar ---------- */
.app-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.app-nav .navbar-brand {
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.brand-mark {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  display: inline-grid;
  place-items: center;
  font-size: 1.05rem;
}
.app-nav .nav-link { font-weight: 600; color: var(--ink-2); }
.app-nav .nav-link.active,
.app-nav .nav-link:hover { color: var(--brand); }

/* ---------- Kartu ---------- */
.card-soft {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ---------- Hero (landing) ---------- */
.hero {
  background:
    radial-gradient(1200px 400px at 10% -10%, rgba(43, 74, 203, .14), transparent 60%),
    radial-gradient(800px 300px at 100% 0%, rgba(245, 165, 36, .12), transparent 60%);
  padding: 3.5rem 0 2.5rem;
}
.hero h1 {
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
}
.hero .lead { color: var(--ink-2); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--brand);
  background: var(--brand-soft);
  padding: .3rem .7rem;
  border-radius: 999px;
}

.stat-row { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.stat-row .num { font-size: 1.6rem; font-weight: 800; line-height: 1; }
.stat-row .lbl { font-size: .85rem; color: var(--ink-3); }

/* ---------- Kartu modul ---------- */
.module-card {
  height: 100%;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: transform .15s ease, box-shadow .15s ease;
}
.module-card:hover { transform: translateY(-2px); }
.module-num {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 800;
  display: grid;
  place-items: center;
}
.module-card h3 { font-size: 1.02rem; font-weight: 700; margin: 0; }
.module-meta { font-size: .85rem; color: var(--ink-3); }
.topic-chips { display: flex; flex-wrap: wrap; gap: .35rem; }
.topic-chip {
  font-size: .72rem;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--page);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .15rem .55rem;
}

/* ---------- Form ---------- */
.form-control, .form-select {
  background-color: var(--surface);
  border-radius: var(--radius-sm);
  padding: .65rem .85rem;
}
.form-select-sm { padding: .35rem 2.1rem .35rem .7rem; font-size: .88rem; }
.form-control:focus, .form-select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 .2rem rgba(43, 74, 203, .15);
}
.form-label { font-weight: 600; font-size: .9rem; }

/* ---------- Skeleton loading ---------- */
.skeleton {
  background: linear-gradient(90deg, #eceff5 25%, #f6f7fb 50%, #eceff5 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--radius);
  min-height: 160px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Toast ---------- */
.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 1080;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  max-width: calc(100vw - 2rem);
}
.app-toast {
  background: var(--ink);
  color: #fff;
  padding: .7rem 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: .92rem;
  animation: toast-in .2s ease;
}
.app-toast.ok { background: var(--ok); }
.app-toast.bad { background: var(--bad); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Footer ---------- */
.app-footer {
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: .85rem;
  padding: 1.25rem 0;
  background: var(--surface);
}

/* ---------- Halaman try out ---------- */
.exam-bar {
  position: sticky;
  top: 0;
  z-index: 1010;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(20, 30, 60, .04);
}
.exam-bar .exam-title { font-weight: 700; font-size: .95rem; line-height: 1.2; }
.exam-progress { height: 4px; background: var(--line); }
.exam-progress > div { height: 100%; background: var(--brand); transition: width .3s ease; }

.timer {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-weight: 800;
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  padding: .35rem .75rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
}
.timer.warn { background: var(--warn-soft); color: var(--warn); }
.timer.danger { background: var(--bad-soft); color: var(--bad); animation: pulse 1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: .65; } }

.question-card { padding: 1.5rem; }
.question-text { font-size: 1.12rem; font-weight: 600; line-height: 1.55; margin-bottom: 1.25rem; }

.opt {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  text-align: left;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
  margin-bottom: .6rem;
  color: var(--ink);
  font-size: .98rem;
  line-height: 1.45;
  transition: border-color .12s ease, background .12s ease;
}
.opt:not(:disabled):hover { border-color: var(--brand); background: var(--brand-soft); }
.opt:focus-visible { outline: 3px solid rgba(43, 74, 203, .35); outline-offset: 2px; }
.opt:disabled { cursor: default; }
.opt-letter {
  flex: 0 0 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: .9rem;
  background: var(--page);
  border: 1px solid var(--line);
}
.opt .opt-text { padding-top: .2rem; flex: 1; }
.opt .opt-icon { padding-top: .25rem; font-size: 1.1rem; }
.opt.is-correct { border-color: var(--ok); background: var(--ok-soft); }
.opt.is-correct .opt-letter { background: var(--ok); border-color: var(--ok); color: #fff; }
.opt.is-wrong { border-color: var(--bad); background: var(--bad-soft); }
.opt.is-wrong .opt-letter { background: var(--bad); border-color: var(--bad); color: #fff; }
.opt.is-dim { opacity: .6; }

.feedback {
  border-radius: var(--radius-sm);
  border-left: 4px solid;
  padding: 1rem 1.1rem;
  margin-top: 1rem;
  animation: toast-in .2s ease;
}
.feedback.ok { background: var(--ok-soft); border-color: var(--ok); }
.feedback.bad { background: var(--bad-soft); border-color: var(--bad); }
.feedback.empty { background: var(--page); border-color: var(--ink-3); }
.feedback h3 { font-size: 1rem; font-weight: 800; margin-bottom: .5rem; }
.feedback.ok h3 { color: var(--ok); }
.feedback.bad h3 { color: var(--bad); }
.feedback.empty h3 { color: var(--ink-2); }
.feedback .fb-label { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); margin-bottom: .2rem; }
.feedback p { margin-bottom: .75rem; line-height: 1.55; }
.feedback p:last-child { margin-bottom: 0; }
.topic-figure { margin: .25rem 0 .75rem; }
.topic-figure summary {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 700;
  color: var(--brand);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .3rem .8rem;
  list-style: none;
}
.topic-figure summary::-webkit-details-marker { display: none; }
.topic-figure[open] summary { margin-bottom: .6rem; }
.topic-figure img {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}
.feedback .other-reasons { border-top: 1px dashed rgba(0, 0, 0, .12); padding-top: .75rem; margin-top: .5rem; }
.feedback .other-reasons li { margin-bottom: .4rem; }

.qgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 6px;
}
.qnum {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  font-weight: 700;
  font-size: .85rem;
  color: var(--ink-2);
  padding: 0;
}
.qnum:hover { border-color: var(--brand); }
.qnum.ok { background: var(--ok); border-color: var(--ok); color: #fff; }
.qnum.bad { background: var(--bad); border-color: var(--bad); color: #fff; }
.qnum.current { outline: 3px solid var(--brand); outline-offset: 1px; }
.legend { display: flex; flex-wrap: wrap; gap: .75rem; font-size: .8rem; color: var(--ink-3); }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .3rem; vertical-align: -1px; border: 1px solid var(--line); }
.legend .l-ok { background: var(--ok); border-color: var(--ok); }
.legend .l-bad { background: var(--bad); border-color: var(--bad); }

.score-ring {
  width: 120px; height: 120px;
  border-radius: 50%;
  margin: 0 auto;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--brand) calc(var(--p) * 1%), var(--line) 0);
}
.score-ring > div {
  width: 96px; height: 96px;
  border-radius: 50%;
  background: var(--surface);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 800;
}

.rules li { margin-bottom: .35rem; }

/* ---------- Halaman hasil ---------- */
.stat-tile { padding: 1rem 1.1rem; height: 100%; }
.stat-tile .lbl { font-size: .8rem; color: var(--ink-3); font-weight: 600; }
.stat-tile .val { font-size: 1.5rem; font-weight: 800; line-height: 1.2; }

.grade {
  display: inline-block;
  font-weight: 700;
  font-size: .85rem;
  padding: .2rem .7rem;
  border-radius: 999px;
}
.grade.g-ok { background: var(--ok-soft); color: var(--ok); }
.grade.g-warn { background: var(--warn-soft); color: var(--warn); }
.grade.g-bad { background: var(--bad-soft); color: var(--bad); }

.topic-row { padding: .7rem 0; border-bottom: 1px solid var(--line); }
.topic-row:last-child { border-bottom: 0; }
.topic-row .name { font-weight: 600; font-size: .92rem; }
.topic-row .nums { font-size: .85rem; color: var(--ink-3); white-space: nowrap; }
.bar { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; margin-top: .4rem; }
.bar > div { height: 100%; border-radius: 999px; }
.bar .b-ok { background: var(--ok); }
.bar .b-warn { background: var(--warn); }
.bar .b-bad { background: var(--bad); }

.filter-bar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.filter-bar .btn { font-size: .88rem; white-space: nowrap; }
.filter-bar .btn .badge { font-weight: 700; }
.status-filter { display: flex; flex-wrap: wrap; gap: .35rem; }
@media (max-width: 575.98px) {
  .filter-bar { width: 100%; }
  .status-filter { display: grid; grid-template-columns: repeat(4, 1fr); width: 100%; }
  .status-filter .btn { padding-left: .3rem; padding-right: .3rem; font-size: .8rem; }
  .filter-bar .form-select { width: 100% !important; }
}

.review-card { padding: 1.25rem; margin-bottom: 1rem; }
.review-card .question-text { font-size: 1.02rem; margin-bottom: 1rem; }
.status-pill { font-size: .78rem; font-weight: 700; padding: .2rem .6rem; border-radius: 999px; }
.status-pill.ok { background: var(--ok-soft); color: var(--ok); }
.status-pill.bad { background: var(--bad-soft); color: var(--bad); }
.status-pill.empty { background: var(--page); color: var(--ink-3); border: 1px solid var(--line); }

/* ---------- Dashboard ---------- */
/* Tinggi grafik mengikuti ruang kartu (minimal 240px); SVG absolut supaya tidak ikut mendorong tinggi. */
.chart-wrap { position: relative; flex: 1 1 auto; min-height: 240px; }
.chart-wrap svg { position: absolute; top: 0; left: 0; display: block; width: 100%; overflow: visible; }
.chart-wrap .grid { stroke: var(--line); stroke-width: 1; }
.chart-wrap .axis-label { fill: var(--ink-3); font-size: 12px; }
.chart-wrap .cat-label { fill: var(--ink-2); font-size: 12px; font-weight: 600; }
.chart-wrap .val-label { fill: var(--ink); font-size: 12px; font-weight: 700; }
.chart-wrap .bar-fill { fill: var(--brand); transition: opacity .12s ease; }
.chart-wrap .hit { fill: transparent; cursor: pointer; outline: none; }
.chart-wrap .hit:hover, .chart-wrap .hit:focus { fill: rgba(43, 74, 203, .06); }
.chart-wrap.hovering .bar-fill:not(.active) { opacity: .45; }
.chart-tip {
  position: absolute;
  pointer-events: none;
  background: var(--ink);
  color: #fff;
  font-size: .8rem;
  line-height: 1.45;
  padding: .5rem .7rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  white-space: nowrap;
  transform: translate(-50%, calc(-100% - 10px));
  z-index: 5;
}
.chart-tip strong { display: block; }

.module-score { font-size: 1.9rem; font-weight: 800; line-height: 1; }
.module-score small { font-size: .85rem; font-weight: 600; color: var(--ink-3); }
.module-stats { font-size: .82rem; color: var(--ink-3); }

/* Elemen absolut di dalam tabel (mis. label .visually-hidden) tetap terkurung di area scroll tabel,
   tidak ikut melebarkan halaman di HP. */
.table-responsive { position: relative; }
.history-table th { font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); font-weight: 700; background: var(--page); }
.history-table td, .history-table th { padding: .8rem 1rem; }
.history-table td { font-size: .92rem; }
@media (max-width: 575.98px) {
  .history-table td, .history-table th { padding: .65rem .5rem; }
}

/* ---------- Admin ---------- */
.admin-tools .form-control, .admin-tools .form-select { width: auto; min-width: 200px; }
@media (max-width: 575.98px) {
  .admin-tools { width: 100%; }
  .admin-tools .form-control, .admin-tools .form-select { width: 100%; min-width: 0; }
}

@media print {
  .app-nav, .app-footer, .no-print, .toast-stack { display: none !important; }
  body { background: #fff; }
  .card-soft { box-shadow: none; break-inside: avoid; }
}

@media (min-width: 992px) {
  .exam-side { position: sticky; top: 90px; }
}

/* ---------- Utilitas ---------- */
.text-ink-2 { color: var(--ink-2) !important; }
.text-ink-3 { color: var(--ink-3) !important; }
.fw-800 { font-weight: 800 !important; }
.min-w-0 { min-width: 0; }

@media (max-width: 575.98px) {
  .hero { padding: 2rem 0 1.5rem; }
  .hero h1 { font-size: 1.8rem; }
}