/* ==========================================================
   calc.css — web calculator UI
   Uses the tokens already defined in site.css (:root).
   Loaded only on /calculators/* tool pages.
   ========================================================== */

.calc-tool {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: 14px;
  padding: 22px;
  margin: 28px 0 12px;
}

.calc-tool-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.calc-tool-title {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: 1.5rem;
  letter-spacing: .04em;
  color: var(--text);
  margin: 0;
}
.calc-tool-ref {
  font-family: var(--mono);
  font-size: .72rem;
  color: var(--orange);
  border: 1px solid var(--orange-border);
  background: var(--orange-dim);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---------- inputs ---------- */

.calc-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}
.calc-fields.one-col { grid-template-columns: 1fr; }

.cf { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.cf.span-2 { grid-column: 1 / -1; }

.cf label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text2);
  letter-spacing: .01em;
}
.cf-hint {
  font-size: .72rem;
  color: var(--text3);
  line-height: 1.4;
}

.cf select,
.cf input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 9px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  padding: 11px 12px;
  transition: border-color .15s ease, background .15s ease;
  -webkit-appearance: none;
  appearance: none;
}
.cf input[type="number"] { font-family: var(--mono); }
.cf select {
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23FF6B00' stroke-width='2.5' stroke-linecap='round'%3e%3cpath d='M6 9l6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 11px center;
  background-size: 15px;
  padding-right: 34px;
}
.cf select:hover, .cf input:hover { border-color: #444; }
.cf select:focus, .cf input:focus {
  outline: none;
  border-color: var(--orange);
  background-color: var(--bg3);
}
.cf input::-webkit-outer-spin-button,
.cf input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.cf input[type="number"] { -moz-appearance: textfield; }

/* segmented toggle */
.cf-seg { display: flex; flex-wrap: wrap; gap: 6px; }
.cf-seg button {
  flex: 1 1 auto;
  min-width: 72px;
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text2);
  font-family: inherit;
  font-size: .85rem;
  font-weight: 600;
  padding: 10px 12px;
  border-radius: 9px;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.cf-seg button:hover { border-color: #444; color: var(--text); }
.cf-seg button[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.calc-reset {
  margin-top: 16px;
  background: none;
  border: 1px solid var(--border2);
  color: var(--text3);
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .06em;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: color .15s ease, border-color .15s ease;
}
.calc-reset:hover { color: var(--text); border-color: #444; }

/* ---------- output ---------- */

.calc-out {
  margin-top: 20px;
  border-top: 1px solid var(--border);
  padding-top: 20px;
}

.calc-headline {
  background: var(--orange-dim);
  border: 1px solid var(--orange-border);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.calc-headline-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text2);
}
.calc-headline-value {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--orange);
  word-break: break-word;
}

.calc-rows { display: flex; flex-direction: column; }
.calc-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--border);
  font-size: .92rem;
}
.calc-row:last-child { border-bottom: none; }
.calc-row-label { color: var(--text2); }
.calc-row-value { font-family: var(--mono); color: var(--text); font-weight: 600; text-align: right; }

.calc-group {
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--text3);
  padding: 16px 2px 6px;
  border-bottom: 1px solid var(--border);
}

.calc-verdict {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  border-radius: 11px;
  padding: 14px 16px;
  margin-top: 16px;
  font-size: .92rem;
  font-weight: 600;
  line-height: 1.45;
}
.calc-verdict .cv-icon { flex-shrink: 0; font-size: 1.05rem; line-height: 1.35; }
.calc-verdict.pass { background: rgba(52,211,153,.09); border: 1px solid rgba(52,211,153,.3); color: var(--green); }
.calc-verdict.fail { background: rgba(239,68,68,.09); border: 1px solid rgba(239,68,68,.32); color: var(--red); }
.calc-verdict.warn { background: rgba(251,191,36,.09); border: 1px solid rgba(251,191,36,.3); color: var(--yellow); }
.calc-verdict-note { display: block; font-weight: 400; color: var(--text2); margin-top: 5px; font-size: .86rem; }

.calc-work {
  margin-top: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.85;
  color: var(--text2);
  overflow-x: auto;
}
.calc-work b { color: var(--text); font-weight: 600; }
.calc-work-label {
  display: block;
  font-size: .68rem;
  letter-spacing: .1em;
  color: var(--text3);
  margin-bottom: 8px;
}

.calc-error {
  background: rgba(239,68,68,.09);
  border: 1px solid rgba(239,68,68,.32);
  color: var(--red);
  border-radius: 10px;
  padding: 13px 15px;
  font-size: .9rem;
  font-weight: 500;
}

.calc-noscript {
  background: rgba(251,191,36,.08);
  border: 1px solid rgba(251,191,36,.28);
  color: var(--yellow);
  border-radius: 10px;
  padding: 13px 15px;
  font-size: .9rem;
  margin-top: 18px;
}

/* ---------- pin diagram (cat6) ---------- */
.pinout { display: flex; gap: 6px; margin: 18px 0 8px; }
.pin { flex: 1; text-align: center; min-width: 0; }
.pin-num { font-family: var(--mono); font-size: .72rem; color: var(--amber); font-weight: 600; }
.pin-body {
  height: 62px; border-radius: 4px; margin: 4px 0;
  border: 2px solid rgba(0,0,0,.45); position: relative; overflow: hidden;
}
.pin-body.striped::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,.88) 0 10px, transparent 10px 19px);
}
.pin-label { font-size: .62rem; color: var(--text2); line-height: 1.25; }

/* ---------- tool index grid on the hub ---------- */
.calc-tile.live .calc-tile-tag { color: var(--green); }

/* ---------- related tools ---------- */
.calc-related { margin: 40px 0 8px; }
.calc-related h2 {
  font-family: 'Bebas Neue', Impact, sans-serif;
  font-size: 1.35rem; letter-spacing: .04em; margin: 0 0 14px;
}
.calc-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 10px;
}
.calc-related-grid a {
  display: block;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 13px 15px;
  text-decoration: none;
  color: var(--text);
  font-size: .9rem;
  font-weight: 600;
  transition: border-color .15s ease, background .15s ease;
}
.calc-related-grid a:hover { border-color: var(--orange-border); background: var(--bg3); }
.calc-related-grid span { display: block; font-weight: 400; font-size: .78rem; color: var(--text3); margin-top: 3px; }

@media (max-width: 640px) {
  .calc-tool { padding: 16px; border-radius: 12px; }
  .calc-fields { grid-template-columns: 1fr; }
  .calc-headline-value { font-size: 1.6rem; }
  .calc-headline { padding: 15px 16px; }
  .pin-body { height: 46px; }
  .pin-label { font-size: .55rem; }
}

@media (prefers-reduced-motion: reduce) {
  .cf select, .cf input, .cf-seg button, .calc-related-grid a { transition: none; }
}