/* =================================================================
   web-typing.css · Typing Lab + printable certificate
   ================================================================= */
.tp-controls { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; align-items: end; }
.tp-controls .frow { margin-bottom: 0; }
.tp-controls .seg { display: flex; width: 100%; }
.tp-controls .seg button { flex: 1; padding: 7px 6px; font-size: .76rem; }
.tp-go { grid-column: 1 / -1; align-items: center; }
.tp-go .muted { flex: 1; }

.tp-live { display: flex; flex-direction: column; gap: 14px; }
.tp-metrics { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.tp-metric { background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px; text-align: center; }
.tp-metric b { display: block; font-size: 1.7rem; line-height: 1.1; color: var(--ink); font-variant-numeric: tabular-nums; }
.tp-metric span { font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.tp-metric.time b { color: var(--amber-deep); }
.tp-metric.err b { color: var(--red); }

.tp-display { font-size: 1.25rem; line-height: 1.7; padding: 14px 16px; background: var(--amber-soft); border-radius: 12px; border: 1px solid color-mix(in srgb, var(--amber) 30%, var(--line)); white-space: pre-wrap; word-break: break-word; max-height: 150px; overflow-y: auto; }
.tp-display.si { font-size: 1.5rem; }
.tp-display.ta { font-size: 1.4rem; }

.tp-track { font-family: "Consolas", "Menlo", monospace; font-size: 1.15rem; line-height: 1.9; letter-spacing: .5px; padding: 14px 16px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 12px; min-height: 64px; max-height: 180px; overflow-y: auto; word-break: break-all; }
.tp-ch { border-radius: 3px; padding: 0 1px; color: var(--muted); }
.tp-ch.ok { color: var(--green); }
.tp-ch.bad { color: #fff; background: var(--red); }
.tp-ch.cur { background: var(--amber); color: #241F19; animation: tpblink 1s steps(2) infinite; }
@keyframes tpblink { 50% { opacity: .45; } }
.tp-ellipsis { color: var(--muted); padding: 0 4px; }

.tp-input { font-size: 1.05rem; font-family: "Consolas", "Menlo", monospace; }
.tp-input:disabled { opacity: .55; }
.tp-si-preview { text-align: center; font-size: 1.4rem; color: var(--amber-deep); min-height: 30px; font-weight: 600; }

.tp-best { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.tp-best b { font-size: 1.2rem; color: var(--amber-deep); }

/* virtual keyboard */
.tp-keys { display: flex; flex-direction: column; gap: 6px; align-items: center; margin-top: 12px; }
.tp-krow { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }
.tp-kgrid.ta { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; width: 100%; }
.tp-key { min-width: 38px; height: 42px; padding: 0 8px; border-radius: 9px; border: 1px solid var(--line); border-bottom-width: 3px; background: var(--surface); color: var(--ink); font-size: .9rem; font-weight: 600; cursor: pointer; transition: transform .05s, background .12s, border-color .12s; }
.tp-key:hover { border-color: var(--amber); }
.tp-key:active { transform: translateY(2px); border-bottom-width: 1px; }
.tp-key.hit { background: linear-gradient(140deg, var(--amber), var(--amber-deep)); color: #241F19; border-color: var(--amber-deep); box-shadow: 0 0 0 3px color-mix(in srgb, var(--amber) 30%, transparent); }
.tp-key.space { min-width: 240px; }
.tp-key.wide { min-width: 140px; }
.tp-kgrid.ta .tp-key { min-width: 0; width: 100%; font-size: 1rem; }

/* certificate (print) */
.cert { padding: 24px; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
.cert-border { border: 3px double var(--amber-deep); border-radius: 8px; padding: 48px 40px; text-align: center; position: relative; }
.cert-brand { letter-spacing: .35em; font-weight: 800; color: var(--amber-deep); font-size: .85rem; }
.cert-title { font-size: 2rem; margin: 18px 0 6px; color: var(--ink); }
.cert-sub { color: var(--muted); margin: 14px 0 4px; }
.cert-name { font-size: 2.2rem; font-weight: 800; color: var(--amber-deep); border-bottom: 2px solid var(--line); display: inline-block; padding: 0 24px 6px; margin: 6px 0; }
.cert-stats { display: flex; justify-content: center; gap: 48px; margin: 28px 0; }
.cert-stats b { display: block; font-size: 2.4rem; color: var(--ink); }
.cert-stats span { font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.cert-date { font-weight: 600; margin-top: 20px; }
.cert-note { font-size: .7rem; color: var(--muted); margin-top: 18px; }

@media (max-width: 900px) {
  .tp-controls { grid-template-columns: 1fr 1fr; }
  .tp-metrics { grid-template-columns: repeat(5, 1fr); gap: 6px; }
  .tp-metric { padding: 8px 4px; }
  .tp-metric b { font-size: 1.2rem; }
  .tp-metric span { font-size: .55rem; }
  .tp-key { min-width: 26px; height: 38px; font-size: .78rem; padding: 0 4px; }
  .tp-key.space { min-width: 140px; }
  .tp-kgrid.ta { grid-template-columns: repeat(8, 1fr); }
  .cert-stats { gap: 24px; }
}
@media (max-width: 560px) {
  .tp-controls { grid-template-columns: 1fr; }
  .tp-metrics { grid-template-columns: repeat(3, 1fr); }
  .tp-metric.time { grid-column: span 3; }
}