/* ============================================================
   PASSWORD GENERATOR — bento console, soft classic theme.
   ============================================================ */
:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --ink: #1e232a;
  --muted: #5b6571;
  --subtle: #8a939d;
  --line: #e3e7ec;
  --accent: #4f63a0;          /* muted indigo */
  --accent-soft: #eceff7;
  --good: #4f8a6b;
  --warn: #c2913f;
  --danger: #c0563f;
  --shadow: 0 12px 32px -20px rgba(30, 40, 60, 0.30);
  --radius: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --surface: #1b1f25;
    --surface-2: #222730;
    --ink: #e7eaef;
    --muted: #9aa4af;
    --subtle: #6f7883;
    --line: #2a3038;
    --accent: #91a3d4;
    --accent-soft: #232a3a;
    --good: #79b393;
    --warn: #d7b06a;
    --danger: #e08570;
    --shadow: 0 20px 48px -24px rgba(0, 0, 0, 0.6);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; min-height: 100dvh; background: var(--bg); color: var(--ink); font-family: var(--font); font-size: 14px; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
button, input, select, textarea { font: inherit; }
code { font-family: var(--mono); font-size: 0.9em; color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.site-header {
  position: sticky; top: 0; z-index: 20; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(18px, 4vw, 44px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px); border-bottom: 1px solid var(--line);
}
.logo-link { display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font-weight: 750; }
.logo-link img { display: block; }
.logo-link small { display: block; font-size: 9.5px; font-weight: 700; color: var(--muted); letter-spacing: 0.12em; text-transform: uppercase; }
.home-link { color: var(--muted); font-size: 13px; font-weight: 650; }
.home-link:hover { color: var(--accent); }

.app-shell { width: min(1480px, 100%); margin: 0 auto; padding: clamp(18px, 3vw, 38px); }

/* Centered console layout */
.vault { width: min(1040px, 100%); }
.vault-hero { text-align: center; display: grid; gap: 10px; margin-bottom: 22px; }
.vault-hero .eyebrow { justify-self: center; }
.vault-hero .lede { color: var(--muted); max-width: 62ch; margin: 0 auto; }

/* Bento grid */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.cell {
  display: grid; gap: 11px; align-content: start; padding: 18px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.span-2 { grid-column: span 2; } .span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; } .span-6 { grid-column: span 6; }
.cell h2 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 800; }
.cell-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cell-foot { margin: 0; color: var(--subtle); font-size: 11px; }
.strength-cell { align-content: space-between; }

.eyebrow { margin: 0; color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(30px, 5vw, 54px); line-height: 1.0; letter-spacing: -0.02em; font-weight: 820; color: var(--ink); }
h2 { margin: 0; font-size: 15px; }

/* Password output */
.output-card {
  display: flex; align-items: center; gap: 14px; padding: 18px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow);
}
.password-output { flex: 1; min-width: 0; font-family: var(--mono); font-size: clamp(19px, 2.6vw, 30px); font-weight: 600; letter-spacing: 0.01em; word-break: break-all; color: var(--ink); }
.password-output.is-empty { color: var(--subtle); }
.output-actions { display: flex; gap: 8px; flex-shrink: 0; }
.icon-btn {
  min-height: 42px; min-width: 46px; padding: 0 15px; border: 1px solid var(--line); border-radius: 11px;
  background: var(--surface-2); color: var(--ink); font-weight: 800; font-size: 15px; cursor: pointer;
  transition: border-color 0.12s ease, color 0.12s ease;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); }
.icon-btn.is-ok { border-color: var(--good); color: var(--good); }

.field { display: grid; gap: 7px; color: var(--muted); font-size: 12px; font-weight: 700; }
input[type="text"] { width: 100%; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); color: var(--ink); padding: 11px 12px; outline: none; font-family: var(--mono); }
input[type="text"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent); }
input[type="range"] { width: 100%; accent-color: var(--accent); height: 22px; }
.range-value { color: var(--accent); font-family: var(--mono); font-size: 12px; font-weight: 800; }
.check-line { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: 13px; font-weight: 600; }
.check-line input { accent-color: var(--accent); width: 16px; height: 16px; }

/* Passkey note */
.passkey-note {
  display: flex; gap: 15px; align-items: flex-start; padding: 18px;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--accent-soft);
}
.passkey-badge { flex-shrink: 0; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--accent); color: #fff; font-size: 21px; }
.passkey-note strong { display: block; margin-bottom: 5px; font-size: 14px; color: var(--ink); }
.passkey-note p { margin: 0; color: var(--muted); font-size: 13px; }
.passkey-note a { color: var(--accent); font-weight: 800; text-decoration: underline; text-underline-offset: 2px; }

.status-pill { display: inline-flex; align-items: center; min-height: 28px; padding: 0 13px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); background: var(--surface-2); font-size: 12px; font-weight: 800; }

.meter, .quantum-track { height: 11px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); overflow: hidden; }
.meter-fill, .quantum-fill { height: 100%; width: 0; border-radius: 999px; transition: width 0.3s ease, background 0.3s ease; background: var(--accent); }
.meter-fill.lvl-0, .quantum-fill.lvl-0 { background: var(--danger); }
.meter-fill.lvl-1, .quantum-fill.lvl-1 { background: #c77a44; }
.meter-fill.lvl-2, .quantum-fill.lvl-2 { background: var(--warn); }
.meter-fill.lvl-3, .quantum-fill.lvl-3 { background: var(--good); }
.meter-fill.lvl-4, .quantum-fill.lvl-4 { background: var(--accent); }
.status-pill.lvl-0 { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
.status-pill.lvl-1 { color: #c77a44; border-color: color-mix(in srgb, #c77a44 40%, var(--line)); }
.status-pill.lvl-2 { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--line)); }
.status-pill.lvl-3 { color: var(--good); border-color: color-mix(in srgb, var(--good) 40%, var(--line)); }
.status-pill.lvl-4 { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin: 0; }
.stat { padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); }
.stat dt { font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--subtle); font-weight: 800; }
.stat dd { margin: 7px 0 0; font-family: var(--mono); font-size: 16px; font-weight: 700; color: var(--ink); }

.quantum-card { background: var(--surface); }
.quantum-row { display: flex; justify-content: space-between; align-items: center; font-weight: 800; font-size: 13px; }
.quantum-track { position: relative; }
.quantum-target { position: absolute; top: -4px; bottom: -4px; right: 0; width: 2px; background: var(--ink); opacity: 0.45; }
.quantum-hint { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.quantum-hint strong { color: var(--ink); }
.quantum-verdict { font-family: var(--mono); font-size: 12px; font-weight: 800; color: var(--ink); }

/* Info + FAQ */
.info { margin-top: 18px; padding: clamp(20px, 3vw, 30px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); display: grid; gap: 18px; }
.info-intro h2 { font-size: clamp(20px, 2.6vw, 30px); margin: 6px 0 8px; letter-spacing: -0.01em; }
.info-intro p { color: var(--muted); margin: 0; }
.info-intro p + p { margin-top: 10px; }
.faq { display: grid; gap: 10px; }
.faq-2col { grid-template-columns: 1fr 1fr; align-items: start; }
details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface-2); padding: 0 16px; }
summary { cursor: pointer; font-weight: 750; padding: 13px 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--ink); }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-weight: 800; font-size: 17px; }
details[open] summary::after { content: "\2013"; }
details > p { margin: 0 0 14px; color: var(--muted); font-size: 13px; line-height: 1.55; }

.site-footer { max-width: 1480px; margin: 0 auto; padding: 26px clamp(18px, 3vw, 38px) 38px; display: flex; gap: 16px; justify-content: space-between; color: var(--subtle); font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }

@media (max-width: 880px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .span-2, .span-3, .span-4, .span-6 { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .app-shell { padding: 14px; }
  .stat-grid, .faq-2col { grid-template-columns: 1fr; }
  .site-header { padding: 0 14px; }
  .home-link { display: none; }
  .site-footer { flex-direction: column; }
}

/* lang-switcher */
.lang-switcher { position: relative; }
.lang-switcher > summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; min-height: 34px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface-2, transparent); color: var(--muted); font-size: 13px; font-weight: 700; }
.lang-switcher > summary::-webkit-details-marker { display: none; }
.lang-switcher > summary::marker { content: ""; }
.lang-switcher > summary:hover { color: var(--accent); border-color: var(--accent); }
.lang-menu { position: absolute; right: 0; top: calc(100% + 6px); z-index: 60; display: grid; gap: 2px; max-height: 64vh; overflow: auto; min-width: 190px; padding: 8px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: var(--shadow, 0 14px 36px rgba(0,0,0,.25)); }
.lang-menu a { padding: 7px 10px; border-radius: 8px; color: var(--ink); font-size: 13px; font-weight: 600; white-space: nowrap; }
.lang-menu a:hover { background: var(--surface-2); color: var(--accent); }
@media (max-width: 720px) { .lang-switcher { display: none; } }