:root {
  color-scheme: dark;
  --bg: #050b18;
  --panel: #0b1830;
  --panel-soft: #10233b;
  --text: #eef7ff;
  --muted: #a9bfd3;
  --accent: #31d8ff;
  --accent-dark: #0797bf;
  --border: rgba(73, 210, 240, 0.32);
  --success: #65f2c7;
  --error: #ff9b9b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #102649 0, var(--bg) 52%);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.page-shell { width: min(760px, calc(100% - 28px)); margin: 28px auto 18px; }
.profile-card { padding: clamp(20px, 5vw, 38px); border: 1px solid var(--border); border-radius: 28px; background: rgba(7, 18, 38, 0.94); box-shadow: 0 20px 70px rgba(0,0,0,.34); }
.card-header { text-align: center; margin-bottom: 26px; }
.card-header h1 { margin: 5px 0 8px; font-size: clamp(1.8rem, 6vw, 2.5rem); }
.card-header p { margin: 0; color: var(--muted); }
.eyebrow { color: var(--accent) !important; font-size: .78rem; font-weight: 800; letter-spacing: .18em; }

fieldset { margin: 0 0 24px; padding: 22px; border: 1px solid var(--border); border-radius: 20px; background: rgba(15, 34, 59, .62); }
legend { padding: 0 10px; color: var(--accent); font-weight: 800; }
label:not(.check-row) { display: grid; gap: 8px; margin-bottom: 18px; font-weight: 650; }
label em { color: var(--muted); font-size: .86rem; font-style: normal; font-weight: 400; }
input, select, button { font: inherit; }
input:not([type="checkbox"]), select { width: 100%; min-height: 48px; padding: 10px 13px; border: 1px solid var(--border); border-radius: 12px; background: #071426; color: var(--text); }
input[readonly] { color: var(--muted); cursor: not-allowed; }
input:focus-visible, select:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid rgba(49, 216, 255, .36); outline-offset: 2px; }
small { display: block; color: var(--muted); line-height: 1.45; }

.privacy-copy, .consent-intro { color: var(--muted); line-height: 1.55; }
a { color: #79e8ff; }
.check-row { display: grid; grid-template-columns: 22px 1fr; gap: 11px; align-items: start; margin: 14px 0; line-height: 1.42; cursor: pointer; }
.check-row input { width: 19px; height: 19px; margin: 2px 0 0; accent-color: var(--accent-dark); }
.required-check { padding: 12px; border: 1px solid var(--border); border-radius: 12px; }

.actions { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
button { min-height: 52px; padding: 12px 20px; border-radius: 999px; font-weight: 800; cursor: pointer; }
.primary-button { border: 0; color: #02131c; background: linear-gradient(#8af0ff, var(--accent)); box-shadow: 0 0 24px rgba(49,216,255,.27); }
.secondary-button { border: 1px solid var(--border); color: var(--text); background: transparent; }
button:disabled { cursor: wait; opacity: .62; }

.message { margin-bottom: 20px; padding: 13px 16px; border: 1px solid var(--border); border-radius: 13px; background: var(--panel-soft); line-height: 1.4; }
.message.success { color: var(--success); }
.message.error { color: var(--error); border-color: rgba(255,155,155,.5); }
.loading { padding: 26px; color: var(--muted); text-align: center; }
footer { padding: 0 20px 26px; color: #7fa6c3; font-size: .82rem; text-align: center; }

@media (max-width: 560px) {
  .page-shell { width: min(100% - 16px, 760px); margin-top: 8px; }
  .profile-card { padding: 18px 14px; border-radius: 20px; }
  fieldset { padding: 17px 14px; }
  .actions { grid-template-columns: 1fr; }
}