/* ============================================================
   Visual — Data jadi Diagram
   ============================================================ */

*,
*::before,
*::after { box-sizing: border-box; }

[hidden] { display: none !important; }

:root {
  --bg: #f4f6fb;
  --bg-grad-1: #e8eeff;
  --bg-grad-2: #f7f4ff;
  --surface: #ffffff;
  --surface-2: #f7f9fd;
  --surface-3: #eef2f9;
  --border: #dfe5f0;
  --border-strong: #c6d0e2;
  --text: #16203a;
  --text-2: #59648a;
  --text-3: #8b95b3;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #e5edff;
  --good: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --shadow-sm: 0 1px 2px rgba(20, 32, 64, .06), 0 1px 3px rgba(20, 32, 64, .05);
  --shadow-md: 0 4px 16px rgba(20, 32, 64, .08);
  --shadow-lg: 0 12px 40px rgba(20, 32, 64, .12);
  --radius: 14px;
  --radius-sm: 9px;
  --mono: ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, "Liberation Mono", monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* palet default untuk chart (dipakai JS juga) */
  --chart-1: #2563eb;
}

html[data-theme="dark"] {
  --bg: #0d1120;
  --bg-grad-1: #131a30;
  --bg-grad-2: #1a1430;
  --surface: #151b2e;
  --surface-2: #1a2138;
  --surface-3: #202a45;
  --border: #2a3452;
  --border-strong: #3a4668;
  --text: #eaefff;
  --text-2: #9fabce;
  --text-3: #6d7899;
  --accent: #5b8bff;
  --accent-hover: #7ba2ff;
  --accent-soft: #1e2a4d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .35);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, .45);
}

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 8% -10%, var(--bg-grad-1), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, var(--bg-grad-2), transparent 55%),
    var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
}

h1, h2, h3 { margin: 0; font-weight: 700; letter-spacing: -.015em; }

code, kbd {
  font-family: var(--mono);
  font-size: .84em;
  background: var(--surface-3);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: .08em .38em;
}

/* ---------------- topbar ---------------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px clamp(14px, 3vw, 34px);
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 13px; min-width: 0; }
.brand-mark { color: var(--accent); display: flex; flex: none; filter: drop-shadow(0 4px 10px rgba(37, 99, 235, .3)); }
.brand-text h1 { font-size: 1.2rem; line-height: 1.1; }
.brand-text p { margin: 1px 0 0; font-size: .78rem; color: var(--text-2); }
.topbar-actions { display: flex; gap: 8px; }

@media (max-width: 560px) {
  .brand-text p { display: none; }
  .btn .lbl { display: none; }
}

/* ---------------- tombol ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font: inherit;
  font-size: .875rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 8px 15px;
  cursor: pointer;
  white-space: nowrap;
  transition: background .16s, border-color .16s, transform .12s, box-shadow .16s, color .16s;
  user-select: none;
}
.btn:hover { background: var(--surface-2); border-color: var(--accent); color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-hover));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 32%, transparent);
}
.btn-primary:hover { color: #fff; filter: brightness(1.07); background: linear-gradient(180deg, var(--accent), var(--accent-hover)); }
.btn-primary kbd { background: rgba(255, 255, 255, .18); border-color: rgba(255, 255, 255, .25); color: #fff; font-size: .72em; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-3); border-color: transparent; color: var(--accent); }
.btn-sm { padding: 5px 11px; font-size: .8rem; }
.btn-file { position: relative; }
.ico { font-size: .95em; line-height: 1; }

/* ---------------- layout ---------------- */
.layout {
  display: grid;
  grid-template-columns: minmax(340px, 400px) minmax(0, 1fr);
  gap: clamp(14px, 1.6vw, 22px);
  padding: clamp(14px, 2vw, 26px) clamp(14px, 3vw, 34px) 40px;
  align-items: start;
  max-width: 1900px;
  margin: 0 auto;
}
@media (max-width: 1080px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.panel-input { position: sticky; top: 78px; }
@media (max-width: 1080px) { .panel-input { position: static; } }

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
}
.panel-head h2 { font-size: 1rem; display: flex; align-items: center; gap: 9px; }
.step {
  display: inline-grid;
  place-items: center;
  width: 22px; height: 22px;
  border-radius: 7px;
  background: var(--accent);
  color: #fff;
  font-size: .72rem;
  font-weight: 700;
  flex: none;
}
.panel-body { padding: 16px; display: flex; flex-direction: column; gap: 14px; }

/* ---------------- tabs ---------------- */
.tabbar { display: inline-flex; background: var(--surface-3); border-radius: 999px; padding: 3px; gap: 2px; }
.tab {
  font: inherit; font-size: .8rem; font-weight: 600;
  color: var(--text-2);
  background: transparent; border: 0;
  border-radius: 999px;
  padding: 5px 13px; cursor: pointer;
  transition: background .16s, color .16s;
}
.tab:hover { color: var(--accent); }
.tab.is-active { background: var(--surface); color: var(--accent); box-shadow: var(--shadow-sm); }
.tabpane { display: none; flex-direction: column; gap: 12px; }
.tabpane.is-active { display: flex; }

/* ---------------- input ---------------- */
.hint { margin: 0; font-size: .8rem; line-height: 1.5; color: var(--text-2); }
.input-text {
  width: 100%;
  min-height: 190px;
  resize: vertical;
  font-family: var(--mono);
  font-size: .84rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  transition: border-color .16s, box-shadow .16s;
  tab-size: 8;
}
.input-text:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--surface);
}

.row { display: flex; align-items: center; }
.row-wrap { flex-wrap: wrap; }
.gap-sm { gap: 8px; }

.field-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 11px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field > span { font-size: .76rem; font-weight: 600; color: var(--text-2); letter-spacing: .01em; }
select, input[type="text"] {
  font: inherit;
  font-size: .85rem;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  width: 100%;
  transition: border-color .16s, box-shadow .16s;
}
select:focus, input[type="text"]:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type="range"] { width: 100%; accent-color: var(--accent); }

.status { font-size: .82rem; border-radius: var(--radius-sm); padding: 9px 12px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text-2); }
.status.is-ok { background: color-mix(in srgb, var(--good) 10%, var(--surface)); border-color: color-mix(in srgb, var(--good) 35%, var(--border)); color: var(--text); }
.status.is-warn { background: color-mix(in srgb, var(--warn) 12%, var(--surface)); border-color: color-mix(in srgb, var(--warn) 38%, var(--border)); color: var(--text); }
.status.is-bad { background: color-mix(in srgb, var(--bad) 10%, var(--surface)); border-color: color-mix(in srgb, var(--bad) 38%, var(--border)); color: var(--text); }
.status b { color: var(--text); }

.faq { font-size: .82rem; color: var(--text-2); border: 1px dashed var(--border-strong); border-radius: var(--radius-sm); padding: 9px 12px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--text); }
.faq ul { margin: 9px 0 2px; padding-left: 20px; display: flex; flex-direction: column; gap: 5px; }
.faq code { background: var(--surface-3); }

/* ---------------- tabel ---------------- */
.table-wrap { overflow: auto; max-height: 340px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: .83rem; }
th, td { padding: 7px 10px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--border); }
th {
  position: sticky; top: 0; z-index: 2;
  background: var(--surface-3);
  font-weight: 700; font-size: .76rem;
  color: var(--text-2);
  text-transform: uppercase; letter-spacing: .04em;
}
th:first-child, td:first-child { text-align: left; position: sticky; left: 0; background: var(--surface); z-index: 1; }
th:first-child { z-index: 3; background: var(--surface-3); }
tbody tr:hover td { background: var(--surface-2); }
tbody tr:hover td:first-child { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }
td.num { font-family: var(--mono); font-size: .8rem; }
td .swatch { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin-right: 7px; vertical-align: middle; }

/* grid editor */
.grid { table-layout: fixed; }
.grid th, .grid td { padding: 0; border-right: 1px solid var(--border); }
.grid th { padding: 0; }
.grid th .cellin { font-weight: 700; font-size: .76rem; color: var(--text-2); }
.grid th.rowhead, .grid td.rowhead {
  position: sticky; left: 0;
  background: var(--surface-3);
  color: var(--text-3);
  font-size: .72rem; font-weight: 600;
  text-align: center;
  width: 38px; min-width: 38px;
  padding: 6px 4px;
  z-index: 1;
}
.grid th.rowhead { z-index: 3; }
.cellin {
  width: 100%;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: .82rem;
  color: var(--text);
  padding: 7px 9px;
  text-align: right;
}
.cellin:focus { outline: 2px solid var(--accent); outline-offset: -2px; background: var(--accent-soft); border-radius: 4px; }
.grid td:first-child .cellin, .grid th:not(.rowhead) .cellin { text-align: left; }

/* ---------------- pemilih chart ---------------- */
.chartpicker { display: flex; gap: 8px; overflow-x: auto; padding: 3px 2px 9px; scrollbar-width: thin; }
.chartpicker::-webkit-scrollbar { height: 7px; }
.chartpicker::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; }
.chip {
  flex: none;
  display: flex; align-items: center; gap: 8px;
  font: inherit; font-size: .82rem; font-weight: 600;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 14px 7px 11px;
  cursor: pointer;
  transition: all .16s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.chip.is-active {
  background: var(--accent); border-color: var(--accent); color: #fff;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent) 34%, transparent);
}
.chip .ci { font-size: 1rem; line-height: 1; }

/* ---------------- opsi ---------------- */
.options {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  padding: 14px;
  display: flex; flex-direction: column; gap: 13px;
  animation: slideDown .2s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.switches { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.switch { display: inline-flex; align-items: center; gap: 7px; font-size: .83rem; font-weight: 500; color: var(--text-2); cursor: pointer; }
.switch input { accent-color: var(--accent); width: 15px; height: 15px; cursor: pointer; }

/* ---------------- kartu chart ---------------- */
.chart-card {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, var(--surface), var(--surface-2));
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.chart-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.chart-name { font-size: .84rem; font-weight: 700; color: var(--text-2); letter-spacing: .02em; text-transform: uppercase; }
.chart-stage { position: relative; min-height: 300px; padding: 6px; }
.chart-stage svg { display: block; width: 100%; height: auto; }

.chart-empty { display: grid; place-items: center; text-align: center; gap: 6px; padding: 64px 20px; color: var(--text-3); }
.chart-empty p { margin: 0; font-size: .88rem; }
.empty-art { font-size: 2.6rem; opacity: .55; }

/* subpanel */
.subpanel { border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2); padding: 13px 14px; }
.subpanel h3 { font-size: .85rem; color: var(--text-2); text-transform: uppercase; letter-spacing: .04em; display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.subpanel .table-wrap { max-height: 260px; background: var(--surface); }

/* ---------------- chart elemen ---------------- */
.viz-title { font-size: 17px; font-weight: 700; fill: var(--text); }
.viz-axis-label { font-size: 12px; font-weight: 600; fill: var(--text-2); }
.viz-tick { font-size: 11.5px; fill: var(--text-3); }
.viz-grid { stroke: var(--border); stroke-width: 1; shape-rendering: crispEdges; }
.viz-axis { stroke: var(--border-strong); stroke-width: 1; shape-rendering: crispEdges; }
.viz-legend-text { font-size: 12px; fill: var(--text-2); }
.viz-value { font-size: 11px; font-weight: 700; fill: var(--text); }
.viz-dot { stroke: var(--surface); stroke-width: 2; }
.viz-mark { transition: opacity .15s; }
.viz-hit { fill: transparent; cursor: crosshair; }
.viz-mark.is-dim { opacity: .28; }

.viz-anim .viz-grow { transform-box: fill-box; transform-origin: bottom; animation: growY .62s cubic-bezier(.22,1,.36,1) both; }
.viz-anim .viz-growx { transform-box: fill-box; transform-origin: left; animation: growX .62s cubic-bezier(.22,1,.36,1) both; }
.viz-anim .viz-fade { animation: fadeUp .5s cubic-bezier(.22,1,.36,1) both; }
.viz-anim .viz-pop { transform-box: fill-box; transform-origin: center; animation: pop .45s cubic-bezier(.22,1,.36,1) both; }
@keyframes growY { from { transform: scaleY(.001); } to { transform: none; } }
@keyframes growX { from { transform: scaleX(.001); } to { transform: none; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(7px); } to { opacity: 1; transform: none; } }
@keyframes pop { from { opacity: 0; transform: scale(.6); } to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .viz-anim .viz-grow, .viz-anim .viz-growx, .viz-anim .viz-fade, .viz-anim .viz-pop { animation: none !important; }
}

/* ---------------- tooltip & toast ---------------- */
.tip {
  position: fixed;
  z-index: 90;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, -118%);
  transition: opacity .12s;
  background: color-mix(in srgb, var(--text) 94%, transparent);
  color: var(--surface);
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.45;
  padding: 6px 10px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  max-width: 260px;
  white-space: pre-line;
}
.tip.is-on { opacity: 1; }
.tip .t-sub { font-weight: 500; opacity: .78; }

.toast {
  position: fixed;
  left: 50%; bottom: 26px;
  transform: translate(-50%, 20px);
  z-index: 99;
  background: var(--text);
  color: var(--surface);
  font-size: .85rem; font-weight: 600;
  padding: 10px 18px;
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
}
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------------- footer ---------------- */
.footer {
  display: flex; flex-wrap: wrap; gap: 6px 20px; justify-content: space-between;
  padding: 18px clamp(14px, 3vw, 34px) 30px;
  font-size: .78rem;
  color: var(--text-3);
  border-top: 1px solid var(--border);
  max-width: 1900px; margin: 0 auto;
}

/* scrollbar umum */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 99px; border: 2px solid var(--surface); }
::-webkit-scrollbar-thumb:hover { background: var(--text-3); }

@media print {
  .topbar, .panel-input, .chart-toolbar .btn, .chartpicker, .options, .footer { display: none !important; }
  .panel { box-shadow: none; border: 0; }
}