/* Signicat brand components — reusable building blocks for portal pages.
   Page-specific CSS can still override these via higher specificity. */

/* ── Layout container ─────────────────────────────────────────────────── */
.sg-container {
  width: min(var(--sg-max), 100%);
  margin-inline: auto;
  padding-inline: var(--sg-gutter);
}

/* ── Skip link (a11y) ─────────────────────────────────────────────────── */
.sg-skip-link {
  position: absolute;
  left: 1rem;
  top: 1rem;
  z-index: 1000;
  transform: translateY(-150%);
  background: var(--sg-mint);
  color: var(--sg-purple);
  padding: 0.75rem 1rem;
  font-weight: 700;
  text-decoration: none;
}
.sg-skip-link:focus { transform: translateY(0); }

/* ── Header ───────────────────────────────────────────────────────────── */
.sg-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: box-shadow var(--sg-transition);
}
.sg-header--bordered {
  border-bottom: 2px solid var(--sg-purple-soft);
}
.sg-header.is-scrolled {
  box-shadow: var(--sg-shadow-card);
}
.sg-header__inner {
  min-height: 7rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.sg-header__title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--sg-purple);
}
.sg-header__nav {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
}

/* Logo */
.sg-logo {
  display: block;
  width: 9.5rem;
  flex: 0 0 auto;
  line-height: 0;
}
.sg-logo svg {
  width: 100%;
  height: auto;
  display: block;
}
.sg-logo svg .st0 {
  fill: var(--sg-purple);
  transition: fill var(--sg-transition);
}
.sg-logo svg .st1 {
  fill: var(--sg-white);
  transition: fill var(--sg-transition);
}
.sg-logo:hover svg .st0 { fill: var(--sg-purple-dark); }

.sg-logo--inverse svg .st0 { fill: var(--sg-white); }
.sg-logo--inverse svg .st1 { fill: var(--sg-purple); }
.sg-logo--inverse:hover svg .st0 { fill: var(--sg-mint); }

/* Back-to-portal link */
.sg-back-link {
  color: var(--sg-text-muted);
  font-size: 0.95rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color var(--sg-transition);
}
.sg-back-link:hover { color: var(--sg-purple-dark); }
.sg-back-link__arrow {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Footer ───────────────────────────────────────────────────────────── */
.sg-footer {
  background: var(--sg-purple);
  color: var(--sg-white);
  padding: 4rem 0;
  margin-top: clamp(4rem, 8vw, 8rem);
}
.sg-footer__inner {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.sg-footer__note {
  font-size: 0.9rem;
  max-width: 32rem;
  line-height: 1.6;
  opacity: 0.85;
  margin: 0;
}

/* ── Buttons ──────────────────────────────────────────────────────────── */
/* Hover trick: pill at rest -> square on hover (signicat.com pattern) */
.sg-btn {
  border: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.7rem 1.5rem 0.85rem;
  min-height: 2.9rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  background: transparent;
  border-radius: var(--sg-radius-pill);
  transition: background var(--sg-transition),
              color var(--sg-transition),
              border-radius var(--sg-transition),
              transform var(--sg-transition);
}
.sg-btn:disabled,
.sg-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.sg-btn--primary {
  color: var(--sg-purple);
  background: var(--sg-mint);
  border-color: var(--sg-mint);
}
.sg-btn--primary:hover {
  background: var(--sg-mint-dark);
  border-color: var(--sg-mint-dark);
  border-radius: 0;
  transform: translateY(-1px);
}

.sg-btn--secondary {
  color: var(--sg-white);
  background: var(--sg-purple);
  border-color: var(--sg-purple);
  border-radius: 0;
}
.sg-btn--secondary:hover {
  background: var(--sg-purple-dark);
  border-color: var(--sg-purple-dark);
  border-radius: var(--sg-radius-pill);
  transform: translateY(-1px);
}

.sg-btn--outline {
  color: var(--sg-purple);
  border-color: var(--sg-purple);
}
.sg-btn--outline:hover {
  background: var(--sg-purple);
  color: var(--sg-white);
  border-radius: 0;
}

.sg-btn--ghost {
  color: var(--sg-purple);
  background: transparent;
  border-radius: 0;
  padding-inline: 0.5rem;
}
.sg-btn--ghost:hover {
  color: var(--sg-purple-dark);
  background: var(--sg-purple-soft);
}

.sg-btn--block { width: 100%; }

/* ── Form controls ────────────────────────────────────────────────────── */
.sg-input,
.sg-select,
.sg-textarea {
  width: 100%;
  border: 2px solid var(--sg-purple);
  border-radius: var(--sg-radius-input);
  padding: 0.75rem 1rem;
  background: var(--sg-white);
  color: var(--sg-purple);
  font: inherit;
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color var(--sg-transition), background var(--sg-transition);
}
.sg-input::placeholder,
.sg-textarea::placeholder { color: rgba(42, 0, 98, 0.5); }
.sg-input:hover,
.sg-select:hover,
.sg-textarea:hover { background: var(--sg-purple-soft); }
.sg-input:focus,
.sg-select:focus,
.sg-textarea:focus {
  outline: none;
  border-color: var(--sg-indigo);
}
.sg-textarea { resize: vertical; min-height: 8rem; }

.sg-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--sg-purple);
  margin-bottom: 0.5rem;
}

.sg-field + .sg-field { margin-top: 1.4rem; }

.sg-hint {
  margin-top: 0.4rem;
  color: var(--sg-text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* Custom checkbox/radio (Signicat indigo when checked) */
.sg-check {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--sg-purple);
}
.sg-check input[type="checkbox"],
.sg-check input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1.2rem;
  height: 1.2rem;
  border: 2px solid var(--sg-purple);
  border-radius: 0.25rem;
  background: var(--sg-white);
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: background var(--sg-transition), border-color var(--sg-transition);
}
.sg-check input[type="radio"] { border-radius: 50%; }
.sg-check input[type="checkbox"]:checked,
.sg-check input[type="radio"]:checked {
  background: var(--sg-indigo);
  border-color: var(--sg-indigo);
}
.sg-check input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.sg-check input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: #fff;
}
.sg-check input:focus-visible {
  outline: 3px solid var(--sg-indigo);
  outline-offset: 3px;
}

/* ── Card ─────────────────────────────────────────────────────────────── */
.sg-card {
  background: var(--sg-white);
  border-radius: var(--sg-radius-card);
  box-shadow: var(--sg-shadow-card);
  padding: 1.5rem;
}
.sg-card--soft {
  background: var(--sg-purple-soft);
  box-shadow: none;
}
.sg-card--bordered {
  background: var(--sg-white);
  box-shadow: none;
  border-top: 2px solid var(--sg-purple);
  border-radius: 0;
}

/* ── Badge / chip ─────────────────────────────────────────────────────── */
.sg-badge {
  display: inline-block;
  padding: 0.32rem 0.7rem 0.42rem;
  background: var(--sg-mint);
  color: var(--sg-purple);
  border-radius: var(--sg-radius-pill);
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  line-height: 1;
}
.sg-badge--soft { background: var(--sg-purple-soft); }
.sg-badge--sand { background: var(--sg-sand); }
.sg-badge--coral { background: var(--sg-coral-bg); color: var(--sg-coral); }

/* ── Alerts ───────────────────────────────────────────────────────────── */
.sg-alert {
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--sg-purple);
  background: var(--sg-purple-soft);
  color: var(--sg-purple);
  border-radius: 0 var(--sg-radius-input) var(--sg-radius-input) 0;
  font-size: 0.95rem;
  line-height: 1.5;
}
.sg-alert--success { border-color: var(--sg-mint-dark); background: #f0fdf4; color: #0e5034; }
.sg-alert--warning { border-color: #F5B94C; background: #fffbeb; color: #92400e; }
.sg-alert--error { border-color: var(--sg-coral); background: var(--sg-coral-bg); color: #a8212c; }
.sg-alert--info { border-color: var(--sg-indigo); background: var(--sg-purple-soft); color: var(--sg-purple); }

/* ── Tabs ─────────────────────────────────────────────────────────────── */
.sg-tabs {
  border-bottom: 2px solid var(--sg-purple);
  display: flex;
  gap: 0.25rem;
}
.sg-tab {
  background: transparent;
  border: 0;
  padding: 0.75rem 1.5rem 0.9rem;
  cursor: pointer;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: var(--sg-text-muted);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: color var(--sg-transition), background var(--sg-transition),
              border-color var(--sg-transition);
}
.sg-tab:hover { color: var(--sg-purple); }
.sg-tab.is-active {
  color: var(--sg-purple);
  background: var(--sg-purple-soft);
  border-bottom-color: var(--sg-purple-soft);
}

/* ── Icon helper ──────────────────────────────────────────────────────── */
.sg-icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.sg-icon--md { width: 1.5rem; height: 1.5rem; }
.sg-icon--lg { width: 2rem; height: 2rem; }