/* ============================================================
   Psychometry Studio — Design tokens
   Konsep: "instrument panel" laboratorium psikometri.
   Semua angka statistik pakai monospace tabular agar mudah dipindai.
   ============================================================ */

:root {
  --ink: #12222a;
  --ink-soft: #3d515a;
  --paper: #eef1ef;
  --panel: #ffffff;
  --rail: #0e2028;
  --rail-text: #cfe3df;
  --accent: #2f6f63;
  --accent-soft: #dce9e5;
  --accent-strong: #1f4f45;
  --line: #d7ded9;
  --line-soft: #e6ebe8;

  --good: #2e7d5b;
  --good-bg: #e3f2e9;
  --review: #a8710a;
  --review-bg: #faf0da;
  --poor: #a53f2b;
  --poor-bg: #fbe9e4;

  --font-display: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --radius: 6px;
  --shadow: 0 1px 2px rgba(14, 32, 40, 0.06), 0 4px 14px rgba(14, 32, 40, 0.05);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

.mono, .num, td.num, th.num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 0.4em;
}

a { color: var(--accent-strong); }

/* ---------- Rail (header instrumen) ---------- */
.rail {
  background: var(--rail);
  color: var(--rail-text);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
}
.rail .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.rail .brand .mark {
  width: 10px; height: 10px; border-radius: 2px;
  background: linear-gradient(135deg, #7fd8c4, var(--accent));
  box-shadow: 0 0 0 3px rgba(127, 216, 196, 0.15);
}
.rail .crumbs { font-size: 0.85rem; color: var(--rail-text); opacity: 0.85; }
.rail .crumbs a { color: #bfe0d8; text-decoration: none; }
.rail .crumbs a:hover { text-decoration: underline; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 28px 64px;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  border: 1px solid var(--accent-strong);
  background: var(--accent);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.05s ease, background 0.15s ease;
}
.btn:hover { background: var(--accent-strong); }
.btn:active { transform: translateY(1px); }
.btn.secondary {
  background: var(--panel);
  color: var(--accent-strong);
  border: 1px solid var(--line);
}
.btn.secondary:hover { background: var(--accent-soft); }
.btn.small { padding: 5px 10px; font-size: 0.78rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- Panel / Card ---------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin-bottom: 20px;
}
.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.panel-header p.sub { margin: 2px 0 0; color: var(--ink-soft); font-size: 0.85rem; }

/* ---------- Forms ---------- */
label { display: block; font-size: 0.82rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 4px; }
input, select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.92rem;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: var(--accent);
}
.field { margin-bottom: 14px; }
.field-row { display: flex; gap: 14px; }
.field-row .field { flex: 1; }

/* ---------- Tables ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
thead th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--line);
  padding: 8px 10px;
  cursor: pointer;
  white-space: nowrap;
}
tbody td { padding: 9px 10px; border-bottom: 1px solid var(--line-soft); }
tbody tr:hover { background: var(--accent-soft); }
td.num, th.num { text-align: right; }

/* ---------- Badges (flag) ---------- */
.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  font-family: var(--font-mono);
}
.badge.good { background: var(--good-bg); color: var(--good); }
.badge.review { background: var(--review-bg); color: var(--review); }
.badge.poor { background: var(--poor-bg); color: var(--poor); }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
.tab {
  padding: 10px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  user-select: none;
}
.tab.active { color: var(--accent-strong); border-bottom-color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---------- Banners ---------- */
.banner {
  padding: 11px 16px;
  border-radius: var(--radius);
  font-size: 0.86rem;
  margin-bottom: 16px;
  border: 1px solid transparent;
}
.banner.warning { background: var(--review-bg); color: var(--review); border-color: #eddca7; }
.banner.error { background: var(--poor-bg); color: var(--poor); border-color: #f1c7bb; }
.banner.info { background: var(--accent-soft); color: var(--accent-strong); border-color: #c3ded6; }

/* ---------- Signature element: reliability gauge ---------- */
.gauge-wrap { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
.gauge-track {
  position: relative;
  flex: 1;
  height: 10px;
  border-radius: 6px;
  background: linear-gradient(
    to right,
    var(--poor-bg) 0%, var(--poor-bg) 60%,
    var(--review-bg) 60%, var(--review-bg) 70%,
    var(--good-bg) 70%, var(--good-bg) 80%,
    #cfeadd 80%, #cfeadd 90%,
    #b7e0cc 90%, #b7e0cc 100%
  );
  border: 1px solid var(--line);
}
.gauge-marker {
  position: absolute;
  top: -4px;
  width: 3px;
  height: 18px;
  background: var(--ink);
  border-radius: 2px;
  transform: translateX(-50%);
}
.gauge-value {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  min-width: 78px;
  text-align: right;
}
.gauge-caption { font-size: 0.74rem; color: var(--ink-soft); margin-top: 4px; }

/* ---------- Stat summary row ---------- */
.stat-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 4px; }
.stat-box { flex: 1; min-width: 140px; }
.stat-box .label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
.stat-box .value { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; color: var(--ink); }

/* ---------- Reverse preview panel ---------- */
.reverse-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 0.86rem;
}
.reverse-item .arrow { color: var(--accent-strong); font-family: var(--font-mono); }
.reverse-item .code { font-family: var(--font-mono); font-weight: 700; min-width: 70px; }

/* ---------- Empty state ---------- */
.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--ink-soft);
}

/* ---------- Misc ---------- */
.text-muted { color: var(--ink-soft); }
.mt-16 { margin-top: 16px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.hint { font-size: 0.78rem; color: var(--ink-soft); margin-top: 4px; }

::selection { background: var(--accent-soft); }

@media (max-width: 720px) {
  .field-row { flex-direction: column; gap: 0; }
  .container { padding: 20px 16px 48px; }
}