/* FanWall Registration — Mobile-first, pure CSS */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg: #fdf6ee;
  --color-surface: #ffffff;
  --color-primary: #e05c1a;
  --color-primary-dark: #c44a0e;
  --color-primary-light: #f7ddd0;
  --color-accent: #f5a623;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-border: #e0d5c8;
  --color-border-focus: #e05c1a;
  --color-success-bg: #eefaf2;
  --color-success-border: #2a9d4e;
  --color-success-text: #1a6a35;
  --color-error-bg: #fef2f2;
  --color-error-border: #dc2626;
  --color-error-text: #991b1b;
  --color-counter-warn: #dc2626;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08), 0 1px 4px rgba(0, 0, 0, 0.04);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  font-family: var(--font-stack);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 0 0 0;
}

[x-cloak] { display: none; }

/* ── Header ── */

.site-header {
  background: linear-gradient(135deg, #e05c1a 0%, #c44a0e 60%, #a33a08 100%);
  color: #ffffff;
  padding: 24px 20px 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    45deg, transparent, transparent 20px,
    rgba(255, 255, 255, 0.03) 20px, rgba(255, 255, 255, 0.03) 40px
  );
}

.header-inner {
  position: relative;
  z-index: 1;
  max-width: 560px;
  margin: 0 auto;
}

.site-logo {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1;
  margin-bottom: 6px;
}

.site-logo-flag {
  display: inline-block;
  margin-right: 6px;
  font-size: 1.5rem;
  vertical-align: middle;
}

.site-tagline {
  font-size: 0.85rem;
  opacity: 0.85;
  font-weight: 400;
  letter-spacing: 0.3px;
}

.event-badge {
  display: inline-block;
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 999px;
  padding: 5px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.2px;
  text-transform: capitalize;
}

/* ── Main layout ── */

.page-main {
  max-width: 560px;
  margin: 32px auto 0;
  padding: 0 16px;
}

/* ── Card ── */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 28px 24px 32px;
  border: 1px solid var(--color-border);
}

.card-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 6px;
}

.card-subtitle {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* ── How it works ── */

.how-it-works {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  border: 1px solid rgba(224, 92, 26, 0.15);
}

.how-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.how-step-num {
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  flex-shrink: 0;
}

/* ── Form ── */

.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-label-required::after {
  content: " *";
  color: var(--color-primary);
}

.label-limit {
  font-weight: 400;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-stack);
  font-size: 1rem;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(224, 92, 26, 0.15);
}

.form-input.is-error,
.form-textarea.is-error {
  border-color: var(--color-error-border);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.55;
}

.form-hint {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ── Connection type radio cards ── */

.connection-options {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.connection-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 14px 8px 12px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.1s;
  background: var(--color-surface);
}

.connection-option:hover {
  border-color: var(--color-primary);
  background: rgba(224, 92, 26, 0.03);
}

.connection-option.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: scale(1.02);
}

.connection-icon { font-size: 1.5rem; }

.connection-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text);
}

.connection-hint {
  font-size: 0.68rem;
  color: var(--color-text-muted);
  line-height: 1.3;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ── Character counter ── */

.counter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 5px;
}

.counter-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.char-counter {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
  transition: color 0.2s;
}

.char-counter.is-warning {
  color: var(--color-accent);
  font-weight: 600;
}

.char-counter.is-danger {
  color: var(--color-counter-warn);
  font-weight: 700;
}

/* ── Live preview ── */

.live-preview {
  margin: 20px 0 8px;
  padding: 16px;
  background: #0c0a12;
  border-radius: var(--radius-md);
  border: 1px solid rgba(180, 30, 90, 0.2);
}

.preview-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 10px;
  font-weight: 600;
}

.preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.preview-bib {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
}

.preview-msg {
  font-size: 0.92rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  line-height: 1.4;
  word-break: break-word;
}

.preview-von {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.45);
}

/* ── Submit button ── */

.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  white-space: nowrap;
  padding: 14px 32px;
  font-family: var(--font-stack);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  background: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(224, 92, 26, 0.35);
  margin-top: 12px;
}

.btn-submit:hover:not(:disabled) {
  background: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgba(224, 92, 26, 0.45);
  transform: translateY(-1px);
}

.btn-submit:active:not(:disabled) { transform: translateY(0); }

.btn-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}

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

/* ── Alerts ── */

.alert {
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 20px;
  border-width: 1.5px;
  border-style: solid;
}

.alert-error {
  background: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error-text);
}

.alert-error strong { display: block; margin-bottom: 2px; }

/* ── Closed state ── */

.state-closed { text-align: center; padding: 32px 16px; }
.state-closed-icon { font-size: 3rem; margin-bottom: 12px; }
.state-closed h2 { font-size: 1.35rem; font-weight: 700; margin-bottom: 8px; }
.state-closed p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ── Success state ── */

.state-success { text-align: center; padding: 24px 8px; }

.confetti-burst {
  font-size: 3rem;
  line-height: 1;
  margin-bottom: 16px;
  animation: burstIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) both;
}

@keyframes burstIn {
  from { opacity: 0; transform: scale(0.4) rotate(-10deg); }
  to { opacity: 1; transform: scale(1) rotate(0deg); }
}

.success-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-success-text);
  margin-bottom: 16px;
}

.success-card {
  background: var(--color-success-bg);
  border: 1.5px solid var(--color-success-border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  text-align: center;
}

.success-preview-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--color-success-text);
  opacity: 0.7;
  margin-bottom: 12px;
  font-weight: 600;
}

.success-preview {
  background: #0c0a12;
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
}

.success-preview .preview-bib {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
}

.success-preview .preview-message {
  font-size: 0.9rem;
  font-style: italic;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.4;
  word-break: break-word;
}

.success-preview .preview-sender {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.45);
}

.success-note {
  font-size: 0.88rem;
  color: var(--color-success-text);
  line-height: 1.5;
}

/* ── Loading skeleton ── */

.skeleton-line {
  height: 14px;
  background: linear-gradient(90deg, #e8e0d8 25%, #f2ebe3 50%, #e8e0d8 75%);
  background-size: 200% 100%;
  border-radius: 4px;
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.loading-state {
  padding: 32px 0;
  text-align: center;
}

/* ── Footer ── */

.site-footer {
  text-align: center;
  padding: 24px 16px 32px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ── Responsive ── */

@media (min-width: 480px) {
  .card { padding: 36px 36px 40px; }
  .site-logo { font-size: 2.1rem; }
}

@media (max-width: 400px) {
  .how-it-works { flex-direction: column; gap: 8px; }
  .how-step { flex-direction: row; gap: 10px; text-align: left; }
  .connection-options { grid-template-columns: 1fr; }
}