/* SolarPro — tokens + componentes base reutilizables en los 3 formatos */

:root {
  --sp-navy: #0b53a3;
  --sp-navy-dark: #083d7a;
  --sp-yellow: #f3cb26;
  --sp-yellow-dark: #d9b21c;
  --sp-ink: #1a1f2e;
  --sp-body: #3a4251;
  --sp-muted: #6b7380;
  --sp-border: #d8dde5;
  --sp-bg: #f6f8fb;
  --sp-white: #ffffff;
  --sp-danger: #c43a3a;
  --sp-success: #2a8f4f;

  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(11, 83, 163, 0.06);
  --shadow-md: 0 4px 12px rgba(11, 83, 163, 0.10);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--sp-ink);
  background: var(--sp-bg);
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
  line-height: 1.5;
}

/* ---------- Layout ---------- */
.sp-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 0 120px;
}

.sp-header {
  background: var(--sp-navy);
  padding: 20px 20px 18px;
  border-bottom: 4px solid var(--sp-yellow);
}
.sp-header img {
  display: block;
  height: 44px;
  width: auto;
}

.sp-title {
  background: var(--sp-white);
  padding: 24px 20px 22px;
  border-bottom: 1px solid var(--sp-border);
}
.sp-title h1 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--sp-ink);
  line-height: 1.25;
}
.sp-title p {
  margin: 0;
  font-size: 13px;
  color: var(--sp-muted);
}

.sp-form { padding: 8px 20px 20px; }

/* ---------- Sections ---------- */
.sp-section {
  background: var(--sp-white);
  border: 1px solid var(--sp-border);
  border-radius: var(--radius);
  padding: 18px 16px 16px;
  margin-top: 16px;
  box-shadow: var(--shadow-sm);
}
.sp-section h2 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sp-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}
.sp-section h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 14px;
  background: var(--sp-yellow);
  border-radius: 2px;
}

/* ---------- Fields ---------- */
.sp-field { margin-bottom: 14px; }
.sp-field:last-child { margin-bottom: 0; }

.sp-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--sp-body);
  margin-bottom: 6px;
  line-height: 1.3;
}
.sp-field .req {
  color: var(--sp-danger);
  font-weight: 700;
  margin-left: 2px;
}

.sp-input,
.sp-select,
.sp-textarea {
  width: 100%;
  padding: 11px 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--sp-ink);
  background: var(--sp-white);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.sp-input:focus,
.sp-select:focus,
.sp-textarea:focus {
  outline: none;
  border-color: var(--sp-navy);
  box-shadow: 0 0 0 3px rgba(11, 83, 163, 0.15);
}
.sp-textarea {
  min-height: 84px;
  resize: vertical;
  line-height: 1.4;
}
.sp-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%230b53a3' d='M6 9L1.5 4.5h9z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.sp-field.invalid .sp-input,
.sp-field.invalid .sp-select,
.sp-field.invalid .sp-textarea {
  border-color: var(--sp-danger);
  box-shadow: 0 0 0 3px rgba(196, 58, 58, 0.12);
}
.sp-field .err {
  display: none;
  margin-top: 6px;
  font-size: 12px;
  color: var(--sp-danger);
  font-weight: 500;
}
.sp-field.invalid .err { display: block; }

/* ---------- Radio groups (Sí/No + escala) ---------- */
.sp-radio-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sp-radio {
  flex: 1 1 auto;
  min-width: 0;
}
.sp-radio input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.sp-radio label {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: var(--sp-body);
  background: var(--sp-white);
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
  margin: 0;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.sp-radio input:checked + label {
  background: var(--sp-navy);
  color: var(--sp-white);
  border-color: var(--sp-navy);
}
.sp-radio.yesno.yes input:checked + label { background: var(--sp-success); border-color: var(--sp-success); }
.sp-radio.yesno.no  input:checked + label { background: var(--sp-danger);  border-color: var(--sp-danger); }

/* Scale 4 options stacks on narrow */
.sp-radio-group.scale {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
@media (min-width: 520px) {
  .sp-radio-group.scale { grid-template-columns: repeat(4, 1fr); }
}

/* Compact row for photo checklist — label inline with sí/no buttons on wider screens */
.sp-field.check-row { margin-bottom: 10px; }
.sp-field.check-row label.item-label {
  font-size: 13px;
  line-height: 1.35;
  margin-bottom: 8px;
  color: var(--sp-body);
}
.sp-field.check-row .sp-radio-group { max-width: 200px; }
@media (min-width: 640px) {
  .sp-field.check-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
  }
  .sp-field.check-row label.item-label { margin-bottom: 0; }
  .sp-field.check-row .err { grid-column: 1 / -1; margin-top: 4px; }
}
.sp-field.check-row .sp-radio label {
  padding: 8px 14px;
  font-size: 13px;
}

/* Section sub-heading (for "En caso de aplicar") */
.sp-subhead {
  margin: 16px 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sp-muted);
  padding-left: 10px;
  border-left: 2px solid var(--sp-border);
}

/* Larger textarea for free-form comments */
.sp-textarea.large { min-height: 140px; }

/* ---------- Signature ---------- */
.sp-sig-wrap {
  position: relative;
  border: 1px solid var(--sp-border);
  border-radius: 8px;
  background: var(--sp-white);
  overflow: hidden;
}
.sp-sig-canvas {
  display: block;
  width: 100%;
  height: 180px;
  touch-action: none;
  background: var(--sp-white);
}
.sp-sig-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--sp-muted);
  pointer-events: none;
  transition: opacity 0.2s;
}
.sp-sig-wrap.has-ink .sp-sig-hint { opacity: 0; }

.sp-sig-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}
.sp-btn-clear {
  background: none;
  border: 1px solid var(--sp-border);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--sp-body);
  cursor: pointer;
  font-family: inherit;
}
.sp-btn-clear:active { background: var(--sp-bg); }

/* ---------- Submit bar ---------- */
.sp-submit-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--sp-white);
  border-top: 1px solid var(--sp-border);
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 16px rgba(11, 83, 163, 0.08);
  z-index: 10;
}
.sp-submit-bar .inner {
  max-width: 720px;
  margin: 0 auto;
}
.sp-btn-submit {
  width: 100%;
  padding: 14px 18px;
  font-size: 16px;
  font-weight: 700;
  color: var(--sp-ink);
  background: var(--sp-yellow);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.01em;
  transition: transform 0.08s, box-shadow 0.15s;
  box-shadow: 0 2px 0 var(--sp-yellow-dark);
}
.sp-btn-submit:active { transform: translateY(1px); box-shadow: 0 0 0 var(--sp-yellow-dark); }
.sp-btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: 0 2px 0 var(--sp-yellow-dark);
}

/* ---------- Toast ---------- */
.sp-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--sp-ink);
  color: var(--sp-white);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s;
  z-index: 100;
  box-shadow: var(--shadow-md);
  max-width: calc(100% - 40px);
  text-align: center;
}
.sp-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.sp-toast.error { background: var(--sp-danger); }

/* ---------- PDF render mode (hides non-print chrome) ---------- */
body.pdf-mode .sp-submit-bar,
body.pdf-mode .sp-sig-actions,
body.pdf-mode .sp-field .err {
  display: none !important;
}
body.pdf-mode {
  background: var(--sp-white);
}
body.pdf-mode .sp-shell { padding-bottom: 0; }

/* Remove select chevron in PDF (pure decoration, not informative on paper) */
body.pdf-mode .sp-select {
  background-image: none !important;
  padding-right: 12px !important;
}

/* Belt-and-suspenders: hide placeholder color in print/pdf paths.
   form.js also clears placeholder attr before html2canvas runs. */
body.pdf-mode ::placeholder { color: transparent !important; opacity: 0 !important; }
body.pdf-mode ::-webkit-input-placeholder { color: transparent !important; }