/* ============================================================================
   Get CID — tampilan padat, satu kolom, tanpa dependensi luar.
   Prinsip: Inter sebagai satu-satunya huruf antarmuka, sudut kecil, garis rambut
   1px sebagai pemisah, dan ruang yang cukup — bukan ornamen.
   ========================================================================= */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
}

:root {
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f7f8fa;
  --line: #e3e6eb;
  --line-strong: #c9d0d9;
  --ink: #11161d;
  --ink-2: #59616e;
  --ink-3: #8a929f;

  --brand: #1c63c9;
  --brand-hover: #17539f;
  --brand-soft: rgba(28, 99, 201, 0.07);
  --brand-ring: rgba(28, 99, 201, 0.18);

  --ok: #15805f;
  --ok-soft: rgba(21, 128, 95, 0.08);
  --ok-line: rgba(21, 128, 95, 0.26);
  --bad: #b02a1c;
  --bad-soft: rgba(176, 42, 28, 0.07);
  --bad-line: rgba(176, 42, 28, 0.22);

  --r-xs: 3px;
  --r-sm: 5px;
  --r: 7px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1015;
    --surface: #14181f;
    --surface-2: #191e26;
    --line: #232a33;
    --line-strong: #333c47;
    --ink: #e6ebf2;
    --ink-2: #a3adbb;
    --ink-3: #77828f;

    --brand: #4b8fe6;
    --brand-hover: #6ba4ee;
    --brand-soft: rgba(75, 143, 230, 0.12);
    --brand-ring: rgba(75, 143, 230, 0.24);

    --ok: #46cfa1;
    --ok-soft: rgba(70, 207, 161, 0.1);
    --ok-line: rgba(70, 207, 161, 0.26);
    --bad: #f08c80;
    --bad-soft: rgba(240, 140, 128, 0.1);
    --bad-line: rgba(240, 140, 128, 0.26);
  }
}

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

/* Elemen flex/grid tetap harus bisa disembunyikan lewat atribut hidden. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 22px 16px 40px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 13.5px;
  line-height: 1.5;
  letter-spacing: -0.005em;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.page {
  width: 100%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------- header -------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: inherit;
  text-decoration: none;
  border-radius: var(--r-sm);
}

.brand-mark {
  display: block;
  width: 26px;
  height: 26px;
  flex: none;
  /* Logo di halaman tetap kotak lembut — yang bulat khusus ikon tab browser. */
  border-radius: var(--r-sm);
  object-fit: cover;
  /* Cincin tipis menjaga tepi tetap terbaca di skema gelap. */
  box-shadow: 0 0 0 1px rgb(0 0 0 / 0.08);
}

.brand-name {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-tag {
  padding-left: 8px;
  border-left: 1px solid var(--line-strong);
  font-size: 11.5px;
  color: var(--ink-3);
  white-space: nowrap;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Menu penyambung ke toko — sengaja kecil, tidak boleh mengalahkan
   kolom IID sebagai fokus halaman. */
.topbar-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.topbar-nav a {
  padding: 3px 8px;
  border-radius: var(--r-sm);
  color: var(--ink-3);
  font-size: 11.5px;
  line-height: 1.6;
  text-decoration: none;
  white-space: nowrap;
}

.topbar-nav a:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.topbar-nav a[aria-current='page'] {
  color: var(--ink-2);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface);
  color: var(--ink-2);
  font-size: 11.5px;
  line-height: 1.6;
  white-space: nowrap;
}

.pill-muted {
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

/* ------------------------------ panel input ------------------------------ */

.panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
}

.panel.note {
  color: var(--ink-2);
  font-size: 13px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.label,
.field-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.field-label {
  color: var(--ink-2);
}

.counter {
  padding: 1px 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: var(--surface-2);
  color: var(--ink-3);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  line-height: 1.6;
}

.counter[data-state="ok"] {
  border-color: var(--ok-line);
  background: var(--ok-soft);
  color: var(--ok);
}

.counter[data-state="bad"] {
  border-color: var(--bad-line);
  background: var(--bad-soft);
  color: var(--bad);
}

.input-row {
  display: flex;
  gap: 8px;
}

.iid-input {
  flex: 1;
  min-width: 0;
  height: 40px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--ink);
  font-family: inherit;
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
  transition: border-color 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.iid-input::placeholder {
  color: var(--ink-3);
}

.iid-input:focus {
  outline: none;
  background: var(--surface);
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-ring);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 104px;
  height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: var(--r-sm);
  background: var(--brand);
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s ease, opacity 0.12s ease;
}

.btn-primary:hover:not(:disabled) {
  background: var(--brand-hover);
}

.btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.spinner {
  display: none;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

#submit[data-loading="1"] .spinner {
  display: block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.field-msg {
  min-height: 16px;
  margin: -2px 0 0;
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink-3);
}

.field-msg[data-state="bad"] {
  color: var(--bad);
}

.field-msg[data-state="ok"] {
  color: var(--ok);
}

/* --------------------------- penghitung milidetik ------------------------ */

/* Satu baris kecil tepat di bawah kolom input — tanpa kotak, tanpa latar. */
.timer {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 1px 6px;
  margin: -4px 0 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--ink-3);
}

.timer-label {
  font-size: 11px;
  color: var(--ink-3);
  white-space: nowrap;
}

.timer-value {
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}

.timer-unit {
  font-size: 11px;
  color: var(--ink-3);
}

.timer-note {
  font-size: 11px;
  color: var(--ink-3);
  white-space: nowrap;
}

.timer-note::before {
  content: "·";
  margin-right: 5px;
  color: var(--line);
}

.timer-avg {
  margin-left: auto;
  font-size: 11px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.timer[data-state="run"] .timer-value,
.timer[data-state="run"] .timer-note {
  color: var(--brand);
}

.timer[data-state="done"] .timer-value,
.timer[data-state="done"] .timer-note {
  color: var(--ok);
}

.timer[data-state="fail"] .timer-value,
.timer[data-state="fail"] .timer-note {
  color: var(--bad);
}

/* --------------------------------- hasil --------------------------------- */

.result {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  animation: reveal 0.14s ease-out;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(-2px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.result-head h2 {
  margin: 0;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.chip {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink-2);
}

.chip[data-state="ok"] {
  border-color: var(--ok-line);
  background: var(--ok-soft);
  color: var(--ok);
}

.chip[data-state="bad"] {
  border-color: var(--bad-line);
  background: var(--bad-soft);
  color: var(--bad);
}

.error {
  margin: 0;
  padding: 9px 11px;
  border: 1px solid var(--bad-line);
  border-radius: var(--r-sm);
  background: var(--bad-soft);
  color: var(--bad);
  font-size: 12.5px;
  line-height: 1.5;
}

.result-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.field:first-child {
  padding-top: 0;
  border-top: 0;
}

.field-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 22px;
}

.field-note {
  margin: 0;
  font-size: 11.5px;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

/* CID utuh — dibaca sebagai satu baris panjang */
.cid-value {
  margin: 0;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
  user-select: all;
}

.copy-btn {
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: var(--surface);
  color: var(--ink-2);
  font: inherit;
  font-size: 11.5px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

.copy-btn:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand);
}

.copy-btn[data-done="1"] {
  border-color: var(--ok-line);
  background: var(--ok-soft);
  color: var(--ok);
}

/* CID dipotong otomatis per kolom */
.groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 4px;
}

.group {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-height: 42px;
  padding: 4px 2px;
  border: 1px solid var(--line);
  border-radius: var(--r-xs);
  background: var(--surface-2);
  color: var(--ink);
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
  cursor: pointer;
  transition: border-color 0.12s ease, color 0.12s ease, background 0.12s ease;
}

.group:hover {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand);
}

.group[data-done="1"] {
  border-color: var(--ok-line);
  background: var(--ok-soft);
  color: var(--ok);
}

.group .key {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.09em;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}

.script-row {
  display: flex;
  gap: 6px;
}

.select {
  flex: 1;
  min-width: 0;
  height: 26px;
  padding: 0 6px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-xs);
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 11.5px;
}

.select:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

/* Satu-satunya tempat huruf monospace dipakai: isinya kode. */
.script {
  min-height: 104px;
  margin: 0;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--surface-2);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.6;
  white-space: pre;
  overflow-x: auto;
  resize: vertical;
}

/* --------------------------------- footer -------------------------------- */

.page-foot {
  margin: 2px 0 0;
  text-align: center;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--ink-3);
}

/* Dua baris keterangan dalam satu blok: jarak antar baris dijaga rapat,
   bukan memakai gap kolom halaman (12px) yang terlalu jauh untuk teks kaki. */
.page-foot p {
  margin: 0;
}

.page-foot p + p {
  margin-top: 4px;
}

/* Tautan di footer memakai warna teks, bukan biru bawaan browser —
   footer ini keterangan, bukan ajakan utama. */
.page-foot a {
  color: var(--ink-2);
  text-decoration: underline;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 2px;
}

.page-foot a:hover {
  color: var(--ink);
  text-decoration-color: currentColor;
}

/* ------------------------------ fokus/keyboard --------------------------- */

:where(a, button, input, select, textarea, summary):focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* --------------------------------- mobile -------------------------------- */

@media (max-width: 560px) {
  body {
    padding: 16px 12px 32px;
  }

  .panel,
  .result {
    padding: 12px;
  }

  .brand-tag {
    display: none;
  }

  .pill-muted {
    display: none;
  }

  /* Di layar sempit, label halaman aktif tidak perlu — pengunjung
     sudah berada di halaman ini. Sisa ruang dipakai "Beli Kunci". */
  .topbar-nav a[aria-current='page'] {
    display: none;
  }

  .topbar-nav a {
    padding: 3px 6px;
  }

  .input-row {
    flex-direction: column;
  }

  .btn-primary {
    width: 100%;
  }

  .timer-avg {
    margin-left: 0;
  }

  .groups {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .cid-value {
    font-size: 13.5px;
    letter-spacing: 0.03em;
  }
}