/* LINK-SEAL Sizing Calculator — scoped styles.
   Everything is namespaced under .lsc-widget so it won't clash with the host theme. */

.lsc-widget {
  --lsc-accent: #c44b1e;         /* GPT-ish orange */
  --lsc-accent-dark: #9e3b14;
  --lsc-ink: #1a1d21;
  --lsc-ink-soft: #4a5159;
  --lsc-muted: #737b84;
  --lsc-line: #e4e7ec;
  --lsc-surface: #ffffff;
  --lsc-surface-soft: #f7f8fa;
  --lsc-success: #1f7a3a;
  --lsc-warn: #b05a00;
  --lsc-error: #b42318;
  --lsc-radius: 10px;
  --lsc-radius-sm: 6px;
  --lsc-shadow: 0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.06);

  box-sizing: border-box;
  max-width: 780px;
  margin: 0 auto;
  padding: 28px;
  background: var(--lsc-surface);
  border: 1px solid var(--lsc-line);
  border-radius: var(--lsc-radius);
  box-shadow: var(--lsc-shadow);
  color: var(--lsc-ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}
.lsc-widget *, .lsc-widget *::before, .lsc-widget *::after { box-sizing: border-box; }

/* Header */
.lsc-header { margin-bottom: 20px; }
.lsc-title {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  color: var(--lsc-ink);
  letter-spacing: -0.01em;
}
.lsc-subtitle {
  margin: 0;
  font-size: 14px;
  color: var(--lsc-muted);
}

/* Form grid */
.lsc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 520px) {
  .lsc-widget { padding: 20px; }
  .lsc-grid { grid-template-columns: 1fr; }
}

.lsc-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--lsc-ink);
  margin-bottom: 6px;
}

.lsc-input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.lsc-input-group input {
  width: 100%;
  padding: 10px 44px 10px 12px;
  font-size: 16px;
  line-height: 1.3;
  border: 1px solid var(--lsc-line);
  border-radius: var(--lsc-radius-sm);
  background: #fff;
  color: var(--lsc-ink);
  transition: border-color .15s, box-shadow .15s;
  -moz-appearance: textfield;
}
.lsc-input-group input::-webkit-outer-spin-button,
.lsc-input-group input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.lsc-input-group input:focus {
  outline: none;
  border-color: var(--lsc-accent);
  box-shadow: 0 0 0 3px rgba(196,75,30,.15);
}
.lsc-input-group input:invalid:not(:placeholder-shown) {
  border-color: var(--lsc-error);
}
.lsc-unit {
  position: absolute;
  right: 12px;
  font-size: 13px;
  color: var(--lsc-muted);
  pointer-events: none;
}
.lsc-hint {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--lsc-muted);
}

/* Buttons */
.lsc-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.lsc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--lsc-radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s, border-color .15s, transform .1s;
  font-family: inherit;
}
.lsc-btn:active { transform: translateY(1px); }
.lsc-btn:focus-visible { outline: 2px solid var(--lsc-accent); outline-offset: 2px; }

.lsc-btn-primary { background: var(--lsc-accent); color: #fff; }
.lsc-btn-primary:hover { background: var(--lsc-accent-dark); }

.lsc-btn-secondary { background: #fff; color: var(--lsc-ink); border-color: var(--lsc-line); }
.lsc-btn-secondary:hover { background: var(--lsc-surface-soft); }

.lsc-btn-ghost { background: transparent; color: var(--lsc-ink-soft); }
.lsc-btn-ghost:hover { background: var(--lsc-surface-soft); }

/* Inline error message on the input form */
.lsc-error {
  margin-top: 10px;
  font-size: 13px;
  color: var(--lsc-error);
  min-height: 1em;
}
.lsc-error:empty { display: none; }

/* Result card */
.lsc-result {
  margin-top: 24px;
  padding: 20px;
  background: var(--lsc-surface-soft);
  border: 1px solid var(--lsc-line);
  border-radius: var(--lsc-radius);
}
.lsc-result-title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--lsc-ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.lsc-result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 620px) {
  .lsc-result-grid { grid-template-columns: repeat(2, 1fr); }
}

.lsc-stat {
  background: #fff;
  border: 1px solid var(--lsc-line);
  border-radius: var(--lsc-radius-sm);
  padding: 12px 14px;
  min-width: 0;
}
.lsc-stat-hero {
  background: var(--lsc-ink);
  color: #fff;
  border-color: var(--lsc-ink);
  grid-column: span 2;
}
@media (max-width: 620px) {
  .lsc-stat-hero { grid-column: span 2; }
}

.lsc-stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--lsc-muted);
  margin-bottom: 4px;
}
.lsc-stat-hero .lsc-stat-label { color: rgba(255,255,255,.7); }
.lsc-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--lsc-ink);
  line-height: 1.2;
  word-break: break-word;
}
.lsc-stat-hero .lsc-stat-value { color: #fff; font-size: 26px; }

/* Verification callouts */
.lsc-verification {
  padding: 12px 14px;
  border-radius: var(--lsc-radius-sm);
  font-size: 14px;
  margin-bottom: 14px;
}
.lsc-verification-ok {
  background: #e9f6ee;
  border: 1px solid #bde3cb;
  color: #1f5c36;
}
.lsc-verification-warn {
  background: #fef3e6;
  border: 1px solid #f5cc94;
  color: #7a4200;
}
.lsc-verification-error {
  background: #fdecec;
  border: 1px solid #f3b7b5;
  color: #8a1d18;
}
.lsc-verification strong { display: block; margin-bottom: 2px; }
.lsc-verification:empty { display: none; }

/* Show calculation detail */
.lsc-show-work {
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--lsc-ink-soft);
}
.lsc-show-work summary {
  cursor: pointer;
  font-weight: 600;
  padding: 8px 0;
}
.lsc-work {
  padding: 12px;
  background: #fff;
  border: 1px solid var(--lsc-line);
  border-radius: var(--lsc-radius-sm);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--lsc-ink-soft);
  white-space: pre-wrap;
}

.lsc-disclaimer {
  font-size: 12px;
  color: var(--lsc-muted);
  line-height: 1.5;
  padding-top: 14px;
  border-top: 1px dashed var(--lsc-line);
}

/* Email-capture */
.lsc-email-capture { margin-top: 16px; }
.lsc-email-form { margin-top: 12px; }
.lsc-email-status {
  margin-top: 10px;
  font-size: 13px;
  min-height: 1em;
}
.lsc-email-status.is-ok    { color: var(--lsc-success); }
.lsc-email-status.is-error { color: var(--lsc-error); }

/* Print styles — nice when someone prints the spec */
@media print {
  .lsc-widget { border: none; box-shadow: none; padding: 0; }
  .lsc-form, .lsc-email-capture, .lsc-actions, .lsc-show-work { display: none !important; }
  .lsc-result { background: #fff; border: none; padding: 0; }
  .lsc-stat-hero { background: #fff; color: #000; border: 2px solid #000; }
  .lsc-stat-hero .lsc-stat-label { color: #333; }
  .lsc-stat-hero .lsc-stat-value { color: #000; }
}