/* ==========================================================
   Spinner Kelompok – style.css
   ========================================================== */
:root {
  --primary: #4f46e5;
  --primary-600: #4338ca;
  --primary-50: #eef2ff;
  --primary-100: #e0e7ff;
  --accent: #f59e0b;
  --danger: #dc2626;
  --success: #16a34a;
  --text: #1e1b4b;
  --text-body: #334155;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --surface: #ffffff;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 4px 16px rgba(15, 23, 42, .06);
  --shadow-lg: 0 10px 40px rgba(79, 70, 229, .15);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --container: 1320px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  color: var(--text);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin: 0 0 .6em;
}
h1 { font-size: clamp(2rem, 1.4rem + 2.6vw, 3.25rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.1rem); }
h3 { font-size: clamp(1.1rem, 1rem + .4vw, 1.3rem); }
p { margin: 0 0 1em; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--primary-600); }
code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: .9em; background: var(--primary-50); padding: .1em .4em; border-radius: 5px; }
img, svg { max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 clamp(16px, 3vw, 32px); }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 100;
  background: var(--primary); color: #fff; padding: 10px 16px; border-radius: 8px; text-decoration: none;
}
.skip-link:focus { top: 12px; color: #fff; }

:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.logo-mark { color: var(--primary); display: inline-flex; }
.logo-text { font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; }
.logo-text strong { color: var(--primary); font-weight: 800; }

.site-nav ul { display: flex; gap: 6px; list-style: none; margin: 0; padding: 0; }
.site-nav a {
  display: block; padding: 8px 14px; border-radius: 8px;
  color: var(--text-body); text-decoration: none; font-weight: 500; font-size: .95rem;
}
.site-nav a:hover { background: var(--primary-50); color: var(--primary); }

.nav-toggle {
  display: none; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px; border-radius: 8px;
}
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------- Hero ---------------- */
.hero {
  padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 44px);
  text-align: center;
  background:
    radial-gradient(1000px 400px at 50% -10%, var(--primary-100), transparent 70%),
    var(--bg);
}
.hero h1 {
  background: linear-gradient(120deg, var(--text) 20%, var(--primary) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.lead {
  max-width: 68ch; margin: 0 auto;
  font-size: clamp(1.05rem, 1rem + .3vw, 1.2rem); color: var(--muted); line-height: 1.7;
}

/* ---------------- Tool ---------------- */
.tool { padding-bottom: clamp(40px, 6vw, 72px); }
.tool-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 24px; align-items: start; }
.tool-panel { display: grid; gap: 24px; min-width: 0; }
.result-card { position: sticky; top: 88px; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: clamp(18px, 2.5vw, 28px); box-shadow: var(--shadow);
}
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.card-head h3 { margin: 0; display: flex; align-items: center; gap: 10px; }
.step {
  display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--primary); color: #fff; font-size: .85rem; font-weight: 700;
}
.badge {
  font-size: .82rem; font-weight: 600; color: var(--primary);
  background: var(--primary-50); padding: 4px 12px; border-radius: 999px;
}
.badge:empty { display: none; }

.label { display: block; font-weight: 600; font-size: .92rem; color: var(--text); margin-bottom: 8px; }
.mt { margin-top: 14px; }
.hint { font-size: .85rem; color: var(--muted); margin: 8px 0 0; line-height: 1.5; }

input[type="text"], input[type="url"], input[type="number"], textarea {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; transition: border-color .15s, box-shadow .15s; font-size: 1rem;
}
textarea { resize: vertical; min-height: 100px; line-height: 1.55; }
input:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px var(--primary-100); }

/* Tabs */
.tabs { display: flex; gap: 4px; background: var(--bg); border: 1px solid var(--border); padding: 4px; border-radius: 11px; margin-bottom: 16px; overflow-x: auto; }
.tab {
  flex: 1; border: 0; background: transparent; padding: 9px 12px; border-radius: 8px; cursor: pointer;
  font-weight: 600; font-size: .9rem; color: var(--muted); white-space: nowrap;
}
.tab[aria-selected="true"] { background: #fff; color: var(--primary); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.tab-panel { margin-bottom: 16px; }

.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  padding: 28px 16px; border: 2px dashed #c7d2fe; border-radius: var(--radius); background: var(--primary-50);
  color: var(--primary); cursor: pointer; transition: .2s; margin-bottom: 12px;
}
.dropzone span { color: var(--text); }
.dropzone small { color: var(--muted); }
.dropzone:hover, .dropzone.is-drag { border-color: var(--primary); background: var(--primary-100); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 18px; border-radius: var(--radius-sm); border: 1.5px solid transparent;
  font-weight: 600; font-size: .95rem; cursor: pointer; text-decoration: none; line-height: 1.2;
  transition: background .15s, color .15s, border-color .15s, transform .08s, box-shadow .15s;
  background: transparent;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-600); box-shadow: var(--shadow-lg); }
.btn-outline { border-color: var(--border); background: #fff; color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-ghost { color: var(--muted); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-danger-ghost { color: var(--danger); border-color: #fecaca; background: #fff; }
.btn-danger-ghost:hover { background: #fef2f2; }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-lg { padding: 13px 24px; font-size: 1.05rem; }
.btn-icon { width: 44px; height: 44px; padding: 0; font-size: 1.3rem; border-color: var(--border); background: #fff; }
.btn-icon:hover { border-color: var(--primary); color: var(--primary); }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; }
.action-row { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--border); }
.action-row .btn-primary { flex: 1 1 200px; }

.list-tools { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 16px; border-top: 1px solid var(--border); margin-bottom: 10px; }

/* Checkbox & switch */
.check { display: flex; align-items: center; gap: 8px; font-size: .9rem; cursor: pointer; margin: 6px 0; }
.check input { width: 17px; height: 17px; accent-color: var(--primary); }

.switch { display: flex; align-items: center; gap: 12px; cursor: pointer; font-weight: 500; color: var(--text); position: relative; }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.slider { width: 44px; height: 24px; background: #cbd5e1; border-radius: 999px; position: relative; flex-shrink: 0; transition: .2s; }
.slider::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: .2s; box-shadow: 0 1px 3px rgba(0,0,0,.2); }
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::after { transform: translateX(20px); }
.switch input:focus-visible + .slider { outline: 3px solid var(--primary); outline-offset: 2px; }

/* Fields */
.field { margin: 0 0 20px; border: 0; padding: 0; min-width: 0; }
fieldset.field legend { padding: 0; }
.segmented { display: grid; grid-template-columns: 1fr 1fr; background: var(--bg); border: 1px solid var(--border); border-radius: 11px; padding: 4px; gap: 4px; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented label { text-align: center; padding: 9px 10px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--muted); transition: .15s; }
.segmented input:checked + label { background: #fff; color: var(--primary); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.segmented input:focus-visible + label { outline: 3px solid var(--primary); outline-offset: 1px; }

.stepper { display: flex; gap: 8px; max-width: 240px; }
.stepper input { text-align: center; font-weight: 700; font-size: 1.1rem; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Name list */
.name-list {
  list-style: none; margin: 10px 0 0; padding: 0; max-height: 340px; overflow-y: auto;
  border: 1px solid var(--border); border-radius: var(--radius-sm); counter-reset: n;
}
.name-list:empty { display: none; }
.name-list li {
  display: flex; align-items: center; gap: 10px; padding: 7px 8px 7px 12px; border-bottom: 1px solid var(--border);
  counter-increment: n; font-size: .95rem;
}
.name-list li:last-child { border-bottom: 0; }
.name-list li:hover { background: var(--bg); }
.name-list li::before { content: counter(n); min-width: 28px; font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.name-list .nm { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.name-list input { padding: 5px 8px; font-size: .95rem; flex: 1; }
.icon-btn {
  width: 32px; height: 32px; display: inline-grid; place-items: center; border: 0; background: transparent;
  border-radius: 7px; cursor: pointer; color: var(--muted); flex-shrink: 0;
}
.icon-btn:hover { background: var(--primary-50); color: var(--primary); }
.icon-btn.del:hover { background: #fef2f2; color: var(--danger); }
.empty-note { color: var(--muted); font-size: .9rem; text-align: center; padding: 18px 0 4px; margin: 0; }

/* Results */
.result-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.result-area { min-height: 320px; }
.placeholder { display: grid; place-items: center; text-align: center; color: #c7d2fe; padding: 60px 20px; }
.placeholder p { color: var(--muted); margin: 14px 0 0; }

.groups { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px; }
.group {
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: #fff;
  animation: pop .35s ease both; break-inside: avoid;
}
.group-head {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 11px 14px; color: #fff; background: var(--gc, var(--primary));
}
.group-head h4 { margin: 0; color: #fff; font-size: 1rem; overflow-wrap: anywhere; }
.group-head span { font-size: .78rem; font-weight: 600; background: rgba(255,255,255,.22); padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.group ol { margin: 0; padding: 10px 14px 12px 36px; }
.group li { padding: 3px 0; font-size: .95rem; overflow-wrap: anywhere; }
.group li.leader { font-weight: 700; color: var(--text); }
.leader-tag {
  display: inline-block; margin-left: 6px; font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  background: #fef3c7; color: #92400e; padding: 1px 7px; border-radius: 999px; vertical-align: middle;
}
@keyframes pop { from { opacity: 0; transform: translateY(8px) scale(.98); } to { opacity: 1; transform: none; } }

.spinning { display: grid; place-items: center; padding: 70px 0; }
.spinner-wheel {
  width: 80px; height: 80px; border-radius: 50%;
  background: conic-gradient(#4f46e5 0 25%, #f59e0b 0 50%, #10b981 0 75%, #ec4899 0);
  animation: spin .6s linear infinite; box-shadow: inset 0 0 0 10px rgba(255,255,255,.5);
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- Content ---------------- */
.content { background: var(--surface); border-top: 1px solid var(--border); padding: clamp(48px, 7vw, 88px) 0; }
.prose-wrap { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(32px, 4vw, 56px) clamp(32px, 5vw, 72px); }
.prose { max-width: 75ch; font-size: 1.05rem; }
.prose h2 { margin-bottom: .7em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .5em; }
.prose li::marker { color: var(--primary); }

.steps-list { list-style: none; padding: 0 !important; counter-reset: s; }
.steps-list li { position: relative; padding-left: 52px; counter-increment: s; margin-bottom: 1.2em; }
.steps-list li::before {
  content: counter(s); position: absolute; left: 0; top: 0; width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center; background: var(--primary-50); color: var(--primary); font-weight: 800;
}
.steps-list h3 { margin: 0 0 .3em; font-size: 1.1rem; padding-top: 5px; }
.steps-list p { margin: 0; }

details { border: 1px solid var(--border); border-radius: 11px; padding: 0 18px; margin-bottom: 10px; background: #fff; }
details[open] { background: var(--bg); }
summary { cursor: pointer; padding: 14px 0; font-weight: 600; color: var(--text); list-style: none; position: relative; padding-right: 28px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--primary); font-weight: 400; }
details[open] summary::after { content: "−"; }
details p { margin: 0 0 16px; }

/* ---------------- Footer ---------------- */
.site-footer { background: #0f0d2e; color: #c7d2fe; padding: 44px 0 28px; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 24px 40px; align-items: start; }
.site-footer .logo-text { color: #fff; }
.site-footer .logo-text strong { color: #a5b4fc; }
.site-footer p { margin: 8px 0 0; font-size: .95rem; color: #a5b4fc; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 6px 22px; list-style: none; margin: 0; padding: 0; }
.site-footer a { color: #e0e7ff; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.copyright { grid-column: 1 / -1; border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; margin-top: 8px !important; font-size: .88rem !important; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 120px); z-index: 200;
  background: var(--text); color: #fff; padding: 12px 20px; border-radius: 10px; font-weight: 500; font-size: .95rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.25); transition: transform .3s ease; max-width: calc(100% - 32px); text-align: center;
}
.toast.show { transform: translate(-50%, 0); }
.toast.error { background: var(--danger); }

/* ---------------- Responsive ---------------- */
@media (max-width: 1024px) {
  .tool-grid { grid-template-columns: 1fr; }
  .result-card { position: static; }
  .prose-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute; top: 68px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: 0 10px 20px rgba(0,0,0,.06); display: none;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; padding: 8px 16px 16px; }
  .site-nav a { padding: 12px 14px; }
  .footer-inner { grid-template-columns: 1fr; }
  .result-actions .btn { flex: 1 1 calc(50% - 8px); }
  .result-actions #regenBtn { flex-basis: 100%; }
  .groups { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------------- Print ---------------- */
@media print {
  body { background: #fff; font-size: 11pt; }
  .site-header, .hero, .content, .site-footer, .skip-link, .toast,
  .tool-grid > .tool-panel:first-child, .result-actions, .step { display: none !important; }
  .tool-grid { display: block; }
  .card { box-shadow: none; border: 0; padding: 0; }
  .result-card { position: static; }
  .print-title { display: block !important; }
  .groups { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .group { animation: none; border-color: #999; }
  .group-head { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .leader-tag { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}
.print-title { display: none; }