/* ============================================================
 * mAbV — Register Your Interest slideover
 * Spec: docs/superpowers/specs/2026-04-29-register-interest-slideover-design.md
 * ============================================================ */

/* mAbV brand tokens (mirror tailwind.config in b2.html) */
:root {
  --mabv-navy:    #0A2540;
  --mabv-blue:    #0047BB;
  --mabv-surface: #F4F7FA;
  --mabv-slate:   #334155;
  --mabv-muted:   #64748B;
  --mabv-border:  #E2E8F0;
  --register-ease: cubic-bezier(0.16, 1, 0.3, 1);
  /* Error/state tokens (added Task 3.2 review) */
  --mabv-navy-hover:    #0F2E4D;
  --mabv-blue-hover:    #1d4ed8;
  --mabv-error:         #dc2626;
  --mabv-error-bg:      #fef2f2;
  --mabv-error-border:  #fecaca;
  --mabv-error-text:    #991b1b;
  --mabv-placeholder:   #cbd5e1;
}

/* ---------- container ---------- */
#register-slideover { position: fixed; inset: 0; z-index: 1000; }
#register-slideover.hidden { display: none; }

/* ---------- backdrop ---------- */
.register-backdrop {
  position: absolute; inset: 0;
  background: rgba(10, 37, 64, 0); /* fades to 0.35 */
  transition: background 180ms var(--register-ease);
}
#register-slideover.is-open .register-backdrop { background: rgba(10, 37, 64, 0.35); }
/* Disable click-outside in non-Tier-1 states */
#register-slideover[data-state="2"] .register-backdrop,
#register-slideover[data-state="3"] .register-backdrop,
#register-slideover[data-state="4"] .register-backdrop { pointer-events: none; }

/* ---------- panel — desktop right-edge slideover ---------- */
.register-panel {
  position: absolute;
  top: 0; right: 0;
  width: min(440px, 90vw); height: 100vh;
  background: #fff;
  border-left: 1px solid var(--mabv-border);
  box-shadow: -12px 0 40px rgba(10, 37, 64, 0.18);
  transform: translateX(100%);
  transition: transform 220ms var(--register-ease);
  display: flex; flex-direction: column;
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--mabv-slate);
}
#register-slideover.is-open .register-panel { transform: translateX(0); }

/* ---------- header ---------- */
.register-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--mabv-border);
  flex-shrink: 0;
}
.register-heading {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 700; font-size: 16px;
  color: var(--mabv-navy);
  margin: 0;
  outline: none;
}
.register-heading:focus-visible { box-shadow: 0 0 0 2px rgba(37,99,235,0.2); border-radius: 4px; }
.register-close {
  width: 28px; height: 28px;
  background: var(--mabv-surface);
  color: var(--mabv-muted);
  border: 0; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: color 120ms var(--register-ease), background 120ms var(--register-ease);
}
.register-close:hover { color: var(--mabv-navy); background: var(--mabv-border); }
.register-close:focus-visible { outline: 2px solid var(--mabv-blue); outline-offset: 2px; }

/* ---------- body ---------- */
.register-body {
  flex: 1; overflow-y: auto;
  padding: 24px;
  transition: opacity 75ms var(--register-ease); /* per-direction; total swap = 75ms fade-out + 75ms fade-in = 150ms (spec §7) */
}
.register-body.is-swapping { opacity: 0; }

/* ---------- mobile bottom-sheet (< 768px) ---------- */
@media (max-width: 767px) {
  .register-panel {
    top: auto; right: 0; left: 0; bottom: 0;
    width: 100vw; height: 85vh;
    border-left: 0;
    border-top: 1px solid var(--mabv-border);
    border-radius: 12px 12px 0 0;
    box-shadow: 0 -12px 40px rgba(10, 37, 64, 0.18);
    transform: translateY(100%);
    transition: transform 240ms var(--register-ease);
    padding-bottom: max(20px, env(safe-area-inset-bottom));
  }
  #register-slideover.is-open .register-panel { transform: translateY(0); }
  .register-panel::before {
    content: ""; position: absolute;
    top: 8px; left: 50%; transform: translateX(-50%);
    width: 36px; height: 4px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: 999px;
  }
  .register-header { padding: 24px 20px 12px; }
  .register-body { padding: 20px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .register-backdrop,
  .register-panel,
  .register-body { transition: none !important; }
}

/* ---------- form ---------- */
.register-sub {
  font-size: 13px; color: var(--mabv-muted); line-height: 1.5;
  margin: 0 0 20px;
}
.register-form { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.register-field { display: flex; flex-direction: column; gap: 6px; }
.register-label {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 600; font-size: 11px;
  color: var(--mabv-slate);
  letter-spacing: 0.06em; text-transform: uppercase;
  margin: 0;
}
.register-input,
.register-textarea {
  font-family: inherit; font-size: 14px;
  color: var(--mabv-navy);
  background: #fff;
  border: 1px solid var(--mabv-border);
  border-radius: 8px;
  padding: 10px 12px;
  transition: border-color 120ms var(--register-ease), box-shadow 120ms var(--register-ease);
  width: 100%;
}
.register-input::placeholder,
.register-textarea::placeholder { color: var(--mabv-placeholder); }
.register-input:focus,
.register-textarea:focus {
  outline: none;
  border-color: var(--mabv-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.register-input[aria-invalid="true"],
.register-textarea[aria-invalid="true"] {
  border-color: var(--mabv-error);
}
.register-input[aria-invalid="true"]:focus,
.register-textarea[aria-invalid="true"]:focus {
  box-shadow: 0 0 0 3px rgba(220,38,38,0.15);
}
.register-textarea { min-height: 90px; resize: vertical; line-height: 1.5; }

.register-error {
  font-size: 12px; color: var(--mabv-error); min-height: 16px; line-height: 1.3;
}
.register-error-banner {
  background: var(--mabv-error-bg); color: var(--mabv-error-text);
  border: 1px solid var(--mabv-error-border); border-radius: 8px;
  padding: 10px 12px; font-size: 13px; line-height: 1.4;
  /* Allow long unbreakable strings (e.g. info@mabvbio.com) to wrap on narrow viewports */
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ---------- pills ---------- */
.register-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.register-pill {
  font-family: inherit; font-size: 14px; font-weight: 500;
  background: #fff; color: var(--mabv-slate);
  border: 1px solid var(--mabv-border);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  transition: border-color 120ms var(--register-ease), color 120ms var(--register-ease);
}
.register-pill:hover {
  border-color: var(--mabv-blue);
}
.register-pill:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(37,99,235,0.4);
}
.register-pill[aria-checked="true"] {
  background: var(--mabv-navy);
  color: #fff;
  border-color: var(--mabv-navy);
}

/* ---------- submit ---------- */
.register-submit {
  font-family: inherit; font-size: 14px; font-weight: 600;
  background: var(--mabv-navy); color: #fff;
  border: 0; border-radius: 999px;
  height: 48px;
  cursor: pointer;
  transition: background 120ms var(--register-ease), opacity 120ms var(--register-ease);
  margin-top: 4px;
}
.register-submit:hover { background: var(--mabv-navy-hover); }
.register-submit:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(37,99,235,0.4);
}
.register-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.register-submit[data-secondary="true"] {
  background: transparent; color: var(--mabv-navy);
  border: 1px solid var(--mabv-border);
}
.register-submit[data-secondary="true"]:hover {
  background: var(--mabv-surface);
}

/* Mobile larger touch target */
@media (max-width: 767px) {
  .register-submit { height: 52px; }
}

/* ---------- micro-copy block ---------- */
.register-micro {
  margin-top: 16px;
  font-size: 11px; color: var(--mabv-muted); line-height: 1.5;
}
.register-micro p { margin: 0 0 4px; }
.register-micro-heading {
  font-weight: 600; color: var(--mabv-navy);
}
.register-micro a {
  color: var(--mabv-blue); text-decoration: underline;
}

/* ---------- success / thank-you ---------- */
.register-success-icon {
  width: 40px; height: 40px;
  background: rgba(37,99,235,0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--mabv-blue);
  margin-bottom: 16px;
}
.register-success-h {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 700; font-size: 20px; line-height: 1.2;
  color: var(--mabv-navy);
  margin: 0 0 8px;
  outline: none;
}
.register-success-h:focus-visible {
  box-shadow: 0 0 0 2px rgba(37,99,235,0.2); border-radius: 4px;
}
.register-success-sub {
  font-size: 14px; color: var(--mabv-muted); line-height: 1.5;
  margin: 0;
}
.register-divider {
  border: 0; height: 1px; background: var(--mabv-border);
  margin: 20px 0;
}
.register-prompt-h {
  font-size: 13px; font-weight: 600; color: var(--mabv-slate);
  margin: 0 0 6px;
}
.register-prompt-sub {
  font-size: 13px; color: var(--mabv-muted); line-height: 1.5;
  margin: 0 0 12px;
}
.register-soft-cta {
  background: transparent; border: 0; padding: 0;
  font-family: inherit; font-size: 14px; font-weight: 600;
  color: var(--mabv-blue);
  border-bottom: 1px solid var(--mabv-blue);
  padding-bottom: 1px; cursor: pointer;
  text-align: left;
}
.register-soft-cta:hover { color: var(--mabv-blue-hover); border-color: var(--mabv-blue-hover); }
.register-soft-cta:focus-visible {
  outline: 2px solid var(--mabv-blue); outline-offset: 4px; border-radius: 2px;
}
.register-skip {
  display: block; margin: 16px auto 0;
  background: transparent; border: 0; padding: 4px 8px;
  font-family: inherit; font-size: 12px; color: var(--mabv-muted);
  cursor: pointer; text-decoration: underline;
}
.register-skip:hover { color: var(--mabv-slate); }
.register-skip:focus-visible {
  outline: 2px solid var(--mabv-blue); outline-offset: 2px; border-radius: 4px;
}

/* Defensive: ensures `hidden` wins even if a future rule sets display: flex/grid on state sections */
[data-state-content][hidden] { display: none; }