/* ============================================================
   CCS26 Registration — Shared Stylesheet
   Car show theme: Navy, Gold, Cream
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Lato:wght@300;400;700&display=swap');

/* ── CSS Variables ────────────────────────────────────────── */
:root {
  --navy: #1c2951;
  --gold: #c9a227;
  --gold-dark: #a07c10;
  --gold-light: #f5e6b0;
  --cream: #f5f0e8;
  --cream-dark: #ede5d5;
  --dark: #1a1a1a;
  --text: #2c2c2c;
  --text-muted: #666;
  --border: #ddd;
  --white: #ffffff;
  --success: #1e7e34;
  --success-light: #d4edda;
  --success-border: #c3e6cb;
  --error: #c0392b;
  --error-light: #fde8e8;
  --error-border: #f5c6cb;
  --warning: #856404;
  --warning-light: #fff3cd;
  --warning-border: #ffeeba;
  --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.08);
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.14);
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
}

/* ── Reset / Base ─────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Lato', 'Helvetica Neue', Arial, sans-serif;
  font-weight: 400;
  color: var(--text);
  background-color: var(--cream);
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--navy);
}

a {
  color: var(--navy);
  text-decoration: underline;
}

a:hover {
  color: var(--gold-dark);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
  background: var(--navy);
  color: var(--gold);
  padding: 28px 20px;
  text-align: center;
}

.page-header__logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: clamp(22px, 5vw, 36px);
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.page-header__subtitle {
  font-size: 15px;
  color: #c0ccdd;
  margin-bottom: 8px;
  font-weight: 300;
}

.page-header__link {
  display: inline-block;
  font-size: 13px;
  color: #8898bb;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-header__link:hover {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ── Layout ───────────────────────────────────────────────── */
.page-body {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

.page-body--wide {
  max-width: 1080px;
}

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px 24px;
  margin-bottom: 24px;
}

.card__title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold);
  display: flex;
  align-items: center;
  gap: 8px;
}

.card--gold-border {
  border: 2px solid var(--gold);
}

/* ── Form Elements ────────────────────────────────────────── */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  font-family: 'Lato', sans-serif;
  color: var(--text);
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(28, 41, 81, 0.12);
}

.form-input.is-invalid,
.form-select.is-invalid {
  border-color: var(--error);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%231c2951' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.form-row {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

@media (min-width: 520px) {
  .form-row--2 {
    grid-template-columns: 1fr 1fr;
  }

  .form-row--3 {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-family: 'Lato', sans-serif;
  font-size: 15px;
  font-weight: 700;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.18s, color 0.18s, box-shadow 0.18s, transform 0.1s;
  letter-spacing: 0.3px;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-primary:hover:not(:disabled) {
  background: #141e3d;
  border-color: #141e3d;
  box-shadow: var(--shadow);
  color: var(--white);
  text-decoration: none;
}

.btn-gold {
  background: var(--gold);
  color: var(--white);
  border-color: var(--gold);
}

.btn-gold:hover:not(:disabled) {
  background: var(--gold-dark);
  border-color: var(--gold-dark);
  box-shadow: var(--shadow);
  color: var(--white);
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline:hover:not(:disabled) {
  background: var(--navy);
  color: var(--white);
  text-decoration: none;
}

.btn-outline-gold {
  background: transparent;
  color: var(--gold-dark);
  border-color: var(--gold);
}

.btn-outline-gold:hover:not(:disabled) {
  background: var(--gold);
  color: var(--white);
  text-decoration: none;
}

.btn-danger {
  background: var(--error);
  color: var(--white);
  border-color: var(--error);
}

.btn-danger:hover:not(:disabled) {
  background: #a02020;
  border-color: #a02020;
  color: var(--white);
  text-decoration: none;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 17px;
}

.btn-full {
  width: 100%;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.badge-navy {
  background: var(--navy);
  color: var(--gold);
}

.badge-gold {
  background: var(--gold);
  color: var(--white);
}

/* ── Alerts ───────────────────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  border: 1px solid transparent;
  margin-bottom: 16px;
}

.alert-success {
  background: var(--success-light);
  color: #155724;
  border-color: var(--success-border);
}

.alert-error {
  background: var(--error-light);
  color: #721c24;
  border-color: var(--error-border);
}

.alert-warning {
  background: var(--warning-light);
  color: var(--warning);
  border-color: var(--warning-border);
}

/* ── Loading Spinner ──────────────────────────────────────── */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px;
  color: var(--text-muted);
  font-size: 15px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--cream-dark);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 3px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Registration ID Display ──────────────────────────────── */
.reg-id-display {
  background: var(--navy);
  color: var(--gold);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  text-align: center;
  margin: 16px 0;
}

.reg-id-display__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #8898bb;
  margin-bottom: 6px;
}

.reg-id-display__id {
  font-family: 'Courier New', 'Consolas', monospace;
  font-size: clamp(24px, 7vw, 36px);
  font-weight: 700;
  letter-spacing: 4px;
}

.reg-id-display__sub {
  font-size: 11px;
  color: #5a6a8a;
  margin-top: 6px;
  word-break: break-all;
}

/* ── Verify Page States ───────────────────────────────────── */
.verify-banner {
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  margin-bottom: 24px;
}

.verify-banner--checked-in {
  background: var(--success-light);
  border: 2px solid var(--success-border);
}

.verify-banner--not-checked-in {
  background: var(--warning-light);
  border: 2px solid var(--warning-border);
}

.verify-banner--not-found {
  background: var(--error-light);
  border: 2px solid var(--error-border);
}

.verify-banner__icon {
  font-size: 56px;
  line-height: 1;
  margin-bottom: 10px;
}

.verify-banner__title {
  font-size: clamp(20px, 5vw, 28px);
  margin-bottom: 6px;
}

.verify-banner--checked-in .verify-banner__title { color: var(--success); }
.verify-banner--not-checked-in .verify-banner__title { color: var(--warning); }
.verify-banner--not-found .verify-banner__title { color: var(--error); }

.verify-banner__sub {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── Divider ──────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* ── Utility ──────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); font-size: 13px; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}