/* ═══════════════════════════════════════════════════════════════
   Base — Reset, Typography, Forms, Utilities
   ═══════════════════════════════════════════════════════════════ */

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font: 15px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}


/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); }


/* ── Form Elements ──────────────────────────────────────────── */
input[type="number"], input[type="text"], select {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  background: var(--bg-secondary);
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  color: var(--text-primary);
  transition: all var(--dur-fast);
  font-family: inherit;
}
input[type="number"]:focus, input[type="text"]:focus, select:focus {
  background: var(--bg-primary);
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
  outline: none;
}
input[type="number"]::placeholder { color: var(--text-tertiary); }
/* Validation feedback */
input[type="number"]:invalid, input.input-error {
  border-color: var(--red, #ff3b30);
  box-shadow: 0 0 0 3px rgba(255,59,48,0.12);
}
/* Clamp animation — briefly pulse border when value was clamped */
@keyframes input-clamped { 0%,100%{border-color:transparent} 50%{border-color:var(--red,#ff3b30)} }
input.clamped { animation: input-clamped .6s ease; }

/* Checkbox — Apple toggle-style */
input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--separator-opaque);
  border-radius: 5px;
  background: var(--bg-primary);
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--dur-fast);
}
input[type="checkbox"]::before {
  content: '';
  position: absolute;
  inset: -13px;
}
input[type="checkbox"]:focus-visible {
  outline: 2px solid rgba(0,122,255,0.3);
  outline-offset: 2px;
}
input[type="checkbox"]:checked {
  border-color: var(--accent);
  background: var(--accent);
}
input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 4px; top: 0;
  width: 7px; height: 12px;
  border-right: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
}

/* Inline input (in KPI, area display) */
input.inline-input {
  display: inline-block;
  width: 72px;
  height: 28px;
  padding: 2px 8px;
  border: 1px solid var(--separator);
  border-radius: var(--r-sm);
  font-size: 13px;
  text-align: right;
  background: var(--bg-primary);
}
input.inline-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(0,122,255,0.15);
  outline: none;
}

/* Mini input (table cells) */
input.mini {
  height: 32px;
  padding: 4px 8px;
  font-size: 13px;
}

/* Dim-ignored inputs */
input.dim-ignored,
input[type="number"].dim-ignored,
.table-surfaces input.dim-ignored,
#paramForm input.dim-ignored,
#facadeTable input.dim-ignored {
  opacity: 0.45 !important;
  background: var(--bg-inset) !important;
  border-style: dashed !important;
  cursor: pointer !important;
}
input.dim-ignored:hover,
input[type="number"].dim-ignored:hover,
.table-surfaces input.dim-ignored:hover,
#paramForm input.dim-ignored:hover,
#facadeTable input.dim-ignored:hover {
  opacity: 0.6 !important;
  background: var(--accent-bg) !important;
}
input.dim-ignored:focus { opacity: 0.7 !important; }

/* Labels */
label {
  font-size: 12px;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 4px;
}
.field-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}
.field-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.field { display: flex; flex-direction: column; }
.lab { display: block; color: var(--text-tertiary); font-size: 12px; line-height: 1.2; margin-bottom: 4px; }


/* ── Utility Classes ────────────────────────────────────────── */
.muted { color: var(--text-tertiary); }
.small { font-size: 12px; }
.row { display: flex; gap: 8px; align-items: center; }
.grid-2 { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 8px 12px; align-items: end; }
.grid-2.compact label { margin: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; }
.divider { height: 1px; background: var(--separator); }
.disabled { opacity: 0.5; pointer-events: none; cursor: not-allowed; }

/* SVG base */
svg { max-width: 100%; height: auto; user-select: none; -webkit-user-select: none; }