/* ── Wire AWG Calculator — Light theme ──────────────────────────
   Clean, precise, technical — white paper + slate + teal accents
   ─────────────────────────────────────────────────────────────── */

@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600&display=swap');

.wawg-wrap {
  --wawg-bg:        #f8f9fb;
  --wawg-surface:   #ffffff;
  --wawg-surface2:  #f1f4f8;
  --wawg-border:    #dde2ea;
  --wawg-border2:   #c8d0db;
  --wawg-accent:    #0e6e73;
  --wawg-accent-lt: #e6f4f5;
  --wawg-accent2:   #1d6fdb;
  --wawg-ok:        #15803d;
  --wawg-ok-bg:     #f0faf4;
  --wawg-fail:      #b91c1c;
  --wawg-fail-bg:   #fef2f2;
  --wawg-text:      #1a2332;
  --wawg-text2:     #3d4e63;
  --wawg-muted:     #7a8fa8;
  --wawg-mono:      'DM Mono', monospace;
  --wawg-sans:      'DM Sans', sans-serif;
  --wawg-radius:    7px;
  --wawg-shadow:    0 1px 3px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.05);

  font-family: var(--wawg-sans);
  background:  var(--wawg-bg);
  color:       var(--wawg-text);
  border:      1px solid var(--wawg-border);
  border-radius: 12px;
  padding: 28px 28px 24px;
  max-width: 1120px;
  margin: 0 auto 2rem;
  box-shadow: var(--wawg-shadow);
}

.wawg-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--wawg-border);
}
.wawg-header-icon {
  width: 44px; height: 44px;
  background: var(--wawg-accent-lt);
  border: 1px solid #b2dde0;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--wawg-accent);
  flex-shrink: 0;
}
.wawg-header-icon svg { width: 22px; height: 22px; }

.wawg-title {
  font-family: var(--wawg-sans);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 2px;
  color: var(--wawg-text);
  letter-spacing: -.01em;
}
.wawg-subtitle {
  font-size: .75rem;
  color: var(--wawg-muted);
  margin: 0;
  letter-spacing: .02em;
}

.wawg-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px 16px;
  margin-bottom: 20px;
  align-items: end;
}

.wawg-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.wawg-field label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--wawg-text2);
  display: flex;
  align-items: center;
  gap: 5px;
}

.wawg-badge {
  background: var(--wawg-accent-lt);
  color: var(--wawg-accent);
  border-radius: 4px;
  font-size: .63rem;
  padding: 1px 5px;
  font-family: var(--wawg-mono);
  font-weight: 500;
  letter-spacing: .03em;
}

.wawg-field input,
.wawg-select {
  background: var(--wawg-surface);
  border: 1px solid var(--wawg-border);
  border-radius: var(--wawg-radius);
  color: var(--wawg-text);
  font-family: var(--wawg-mono);
  font-size: .88rem;
  padding: 9px 11px;
  outline: none;
  transition: border-color .18s, box-shadow .18s, background .18s;
  box-sizing: border-box;
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}
.wawg-field input::placeholder { color: #b0bccc; }
.wawg-field input:focus,
.wawg-select:focus {
  border-color: var(--wawg-accent);
  box-shadow: 0 0 0 3px rgba(14,110,115,.12);
}
.wawg-field input:disabled,
.wawg-select:disabled {
  background: var(--wawg-surface2);
  color: var(--wawg-muted);
  cursor: not-allowed;
}

/* Only affect the length unit select */
#wawg-length-unit {
  width: auto;          /* shrink to content */
  flex: 0 0 auto;       /* prevent flex stretching */
  min-width: 60px;      /* optional safety */
  padding-right: 22px;  /* adjust arrow spacing */
}

/* Ensure input takes remaining space */
.wawg-length-row input {
  flex: 1 1 auto;
  min-width: 0;
}

.wawg-length-row {
  display: flex;
  gap: 0;
}
.wawg-length-row input {
  border-radius: var(--wawg-radius) 0 0 var(--wawg-radius);
  border-right: none;
  flex: 1;
  min-width: 0;
}
.wawg-length-row input:focus {
  border-right: none;
  position: relative; z-index: 1;
}
.wawg-select {
  border-left: 1px solid var(--wawg-border);
  cursor: pointer;
  padding-right: 28px;
  min-width: 58px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%237a8fa8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 9px center;
  color: var(--wawg-text2);
  font-family: var(--wawg-sans);
  font-size: .84rem;
}
.wawg-length-row .wawg-select {
  border-radius: 0 var(--wawg-radius) var(--wawg-radius) 0;
}

.wawg-row-impossible:hover {
  background: #ffe4e6 !important;
}
.wawg-row-impossible td {
  color: #9f1239;
}
.wawg-max-effective {
  color: #9333ea;
  font-weight: 600;
}

.wawg-limit {
  font-weight: 600;
  color: #7633ea;
}


.wawg-check--drop {
  background: #fee2e2;
  color: #b91c1c;
}

.wawg-check--thermal {
  background: #ffedd5;
  color: #c2410c;
}

.wawg-check--both {
  background: #fef3c7;
  color: #b45309;
}

.wawg-check--impossible {
  background: #ffe4e6;
  color: #be123c;
}


.wawg-status-bad {
  color: #be123c;
  font-weight: 600;
}
.wawg-field--action { justify-content: flex-end; }

.wawg-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--wawg-accent);
  color: #fff;
  border: none;
  border-radius: var(--wawg-radius);
  font-family: var(--wawg-sans);
  font-size: .88rem;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
  transition: background .18s, transform .1s, box-shadow .18s;
  width: 100%;
  letter-spacing: .01em;
}
.wawg-btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.wawg-btn:hover  { background: #0a5558; box-shadow: 0 2px 8px rgba(14,110,115,.25); }
.wawg-btn:active { transform: scale(.97); }

.wawg-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}
.wawg-pill {
  background: var(--wawg-surface);
  border: 1px solid var(--wawg-border);
  border-radius: 20px;
  padding: 5px 13px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.wawg-pill-label {
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--wawg-muted);
  font-weight: 500;
}
.wawg-pill-val {
  font-family: var(--wawg-mono);
  font-size: .84rem;
  font-weight: 500;
  color: var(--wawg-accent);
}

.wawg-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--wawg-border);
  border-radius: 9px;
  box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.wawg-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--wawg-mono);
  font-size: .82rem;
}
.wawg-table thead th {
  background: var(--wawg-surface2);
  color: var(--wawg-muted);
  text-transform: uppercase;
  letter-spacing: .07em;
  font-size: .64rem;
  font-family: var(--wawg-sans);
  font-weight: 600;
  padding: 10px 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--wawg-border);
}
.wawg-table thead th.col-ok { text-align: center; }

.wawg-table tbody tr {
  border-bottom: 1px solid var(--wawg-border);
  transition: background .12s;
}
.wawg-table tbody tr:last-child { border-bottom: none; }
.wawg-table tbody tr:hover { background: var(--wawg-surface2); }

.wawg-table td {
  padding: 9px 14px;
  vertical-align: middle;
  white-space: nowrap;
  color: var(--wawg-text2);
}
.wawg-table td.col-ok { text-align: center; }

.wawg-row-ok   { background: var(--wawg-ok-bg); }
.wawg-row-ok:hover { background: #e4f7ed !important; }
.wawg-row-fail { background: var(--wawg-fail-bg); }
.wawg-row-fail:hover { background: #fde8e8 !important; }
.wawg-row-fail td { opacity: .75; }

.wawg-check {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 22px; height: 22px;
  border-radius: 50%;
  font-size: .78rem;
  font-family: var(--wawg-sans);
}
.wawg-check--ok   { background: #dcfce7; color: var(--wawg-ok); }
.wawg-check--fail { background: #fee2e2; color: var(--wawg-fail); }

.wawg-awg-num   { color: var(--wawg-text);    font-weight: 500; }
.wawg-drop-ok   { color: var(--wawg-ok);      font-weight: 500; }
.wawg-drop-warn { color: var(--wawg-fail);    font-weight: 500; }
.wawg-endv-ok   { color: var(--wawg-accent2); font-weight: 500; }
.wawg-power-ok  { color: #7c3aed;             font-weight: 500; }
.wawg-meta {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.wawg-meta-chip {
  border: 1px solid var(--wawg-border);
  background: var(--wawg-surface);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: .72rem;
  color: var(--wawg-text2);
}

.wawg-note {
  margin: 10px 0 0;
  font-size: .71rem;
  color: var(--wawg-muted);
  line-height: 1.65;
  font-family: var(--wawg-sans);
}
.wawg-disclaimer {
  margin: 10px 0 0;
  font-size: .71rem;
  color: var(--wawg-muted);
  line-height: 1.65;
  font-family: var(--wawg-sans);
}

[hidden] { display: none !important; }

@media (max-width: 700px) {
  .wawg-wrap   { padding: 18px 14px; }
  .wawg-inputs { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 420px) {
  .wawg-inputs { grid-template-columns: 1fr; }
}