/* Standalone ad-hoc event registration — no main site header, premium form shell */

.adhoc-reg {
  --adhoc-max: 36rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body, "Inter", system-ui, sans-serif);
  color: var(--color-gray-800, #1f2937);
  background: linear-gradient(165deg, #0f172a 0%, #1e293b 42%, #f1f5f9 42%, #f8fafc 100%);
  background-attachment: fixed;
}

.adhoc-reg-minhead {
  flex-shrink: 0;
  padding: var(--space-md, 1rem) var(--space-lg, 1.5rem);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
}

.adhoc-reg-minhead a {
  font-family: var(--font-heading, "Bebas Neue", sans-serif);
  font-size: var(--font-size-xl, 1.25rem);
  letter-spacing: 0.06em;
  color: var(--color-white, #fff);
  text-decoration: none;
  opacity: 0.95;
  transition: opacity var(--transition-fast, 0.15s);
}

.adhoc-reg-minhead a:hover {
  opacity: 1;
  color: var(--color-primary-lighter, #fca5a5);
}

.adhoc-reg-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-xl, 2rem) var(--space-md, 1rem) var(--space-3xl, 4rem);
  width: 100%;
  box-sizing: border-box;
}

.adhoc-reg-hero {
  text-align: center;
  max-width: 40rem;
  margin-bottom: var(--space-xl, 2rem);
  color: var(--color-white, #fff);
}

.adhoc-reg-hero h1 {
  font-family: var(--font-heading, "Bebas Neue", sans-serif);
  font-size: clamp(2rem, 6vw, 3rem);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.05;
  margin: 0 0 var(--space-sm, 0.5rem);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.35);
}

.adhoc-reg-badge {
  display: inline-block;
  font-size: var(--font-size-xs, 0.75rem);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-xs, 0.25rem) var(--space-sm, 0.5rem);
  border-radius: var(--radius-full, 9999px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.06);
}

.adhoc-reg-panel {
  width: 100%;
  max-width: var(--adhoc-max);
  background: var(--color-white, #fff);
  border-radius: var(--radius-2xl, 1.5rem);
  box-shadow: var(--shadow-2xl, 0 25px 50px -12px rgba(0, 0, 0, 0.22));
  border: 1px solid var(--color-gray-100, #f3f4f6);
  overflow: hidden;
}

.adhoc-reg-panel-inner {
  padding: var(--space-2xl, 3rem) var(--space-xl, 2rem);
}

@media (min-width: 480px) {
  .adhoc-reg-panel-inner {
    padding: var(--space-3xl, 4rem) var(--space-2xl, 3rem);
  }
}

.adhoc-reg-desc {
  font-size: var(--font-size-base, 1rem);
  line-height: var(--line-height-relaxed, 1.75);
  color: var(--color-gray-600, #4b5563);
  margin: 0 0 var(--space-xl, 2rem);
  white-space: pre-wrap;
}

.adhoc-reg-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm, 0.5rem);
  margin-bottom: var(--space-xl, 2rem);
}

.adhoc-reg-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 500;
  color: var(--color-gray-700, #374151);
  background: var(--color-gray-50, #f9fafb);
  border: 1px solid var(--color-gray-200, #e5e7eb);
  border-radius: var(--radius-lg, 0.75rem);
}

.adhoc-reg-chip strong {
  font-weight: 600;
  color: var(--color-gray-900, #111827);
}

.adhoc-reg-alert {
  padding: var(--space-lg, 1.5rem);
  border-radius: var(--radius-xl, 1rem);
  background: var(--color-gray-50, #f9fafb);
  border: 1px solid var(--color-gray-200, #e5e7eb);
  color: var(--color-gray-700, #374151);
  font-size: var(--font-size-sm, 0.875rem);
  line-height: 1.6;
  margin: 0;
}

.adhoc-reg-success-banner {
  padding: var(--space-md, 1rem) var(--space-lg, 1.5rem);
  border-radius: var(--radius-lg, 0.75rem);
  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
  border: 1px solid #a7f3d0;
  color: #065f46;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 500;
  margin-bottom: var(--space-xl, 2rem);
}

/* Student lookup (existing records) */
.adhoc-reg-lookup {
  margin-bottom: var(--space-2xl, 3rem);
  padding: var(--space-xl, 2rem);
  border-radius: var(--radius-xl, 1rem);
  background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid var(--color-gray-200, #e5e7eb);
}

.adhoc-reg-lookup-title {
  font-size: var(--font-size-base, 1rem);
  font-weight: 700;
  color: var(--color-gray-900, #111827);
  margin: 0 0 var(--space-sm, 0.5rem);
}

.adhoc-reg-lookup-hint {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-gray-600, #4b5563);
  line-height: 1.55;
  margin: 0 0 var(--space-lg, 1.5rem);
}

.adhoc-reg-lookup-row {
  display: grid;
  gap: var(--space-md, 1rem);
  margin-bottom: var(--space-md, 1rem);
}

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

.adhoc-reg-lookup .adhoc-reg-field input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.65rem 0.9rem;
  font-size: var(--font-size-sm, 0.875rem);
  border: 1px solid var(--color-gray-300, #d1d5db);
  border-radius: var(--radius-md, 0.5rem);
  background: var(--color-white, #fff);
}

.adhoc-reg-lookup .adhoc-reg-field input:focus:not([type="date"]):not([type="datetime-local"]):not([type="month"]):not([type="time"]) {
  outline: none;
  border-color: var(--color-primary, #dc2626);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.adhoc-reg-lookup .adhoc-reg-field input[type="date"]:focus,
.adhoc-reg-lookup .adhoc-reg-field input[type="datetime-local"]:focus,
.adhoc-reg-lookup .adhoc-reg-field input[type="month"]:focus,
.adhoc-reg-lookup .adhoc-reg-field input[type="time"]:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.adhoc-reg-lookup-btn {
  width: 100%;
  padding: 0.65rem 1rem;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  font-family: inherit;
  color: var(--color-gray-800, #1f2937);
  background: var(--color-white, #fff);
  border: 1px solid var(--color-gray-300, #d1d5db);
  border-radius: var(--radius-md, 0.5rem);
  cursor: pointer;
  transition: background var(--transition-fast, 0.15s), border-color var(--transition-fast, 0.15s);
}

.adhoc-reg-lookup-btn:hover:not(:disabled) {
  background: var(--color-gray-50, #f9fafb);
  border-color: var(--color-gray-400, #9ca3af);
}

.adhoc-reg-lookup-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.adhoc-reg-form-title {
  font-size: var(--font-size-lg, 1.125rem);
  font-weight: 600;
  color: var(--color-gray-900, #111827);
  margin: 0 0 var(--space-lg, 1.5rem);
  padding-bottom: var(--space-md, 1rem);
  border-bottom: 1px solid var(--color-gray-100, #f3f4f6);
}

.adhoc-reg-grid {
  display: grid;
  gap: var(--space-lg, 1.5rem);
}

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

.adhoc-reg-field label {
  display: block;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  color: var(--color-gray-700, #374151);
  margin-bottom: var(--space-xs, 0.25rem);
}

.adhoc-reg-field input,
.adhoc-reg-field select,
.adhoc-reg-field textarea {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 0.65rem 0.9rem;
  font-size: var(--font-size-base, 1rem);
  font-family: inherit;
  color: var(--color-gray-900, #111827);
  background: var(--color-white, #fff);
  border: 1px solid var(--color-gray-300, #d1d5db);
  border-radius: var(--radius-md, 0.5rem);
  transition: border-color var(--transition-fast, 0.15s), box-shadow var(--transition-fast, 0.15s);
}

.adhoc-reg-field select {
  overflow: hidden;
  text-overflow: ellipsis;
}

.adhoc-reg-field input:focus:not([type="date"]):not([type="datetime-local"]):not([type="month"]):not([type="time"]),
.adhoc-reg-field select:focus,
.adhoc-reg-field textarea:focus {
  outline: none;
  border-color: var(--color-primary, #dc2626);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

/* Date/time: red focus reads as “error” — use neutral blue + tame browser :invalid */
.adhoc-reg-field input[type="date"],
.adhoc-reg-field input[type="datetime-local"],
.adhoc-reg-field input[type="month"],
.adhoc-reg-field input[type="time"] {
  color-scheme: light;
  min-height: 2.75rem;
}

.adhoc-reg-field input[type="date"]:focus,
.adhoc-reg-field input[type="datetime-local"]:focus,
.adhoc-reg-field input[type="month"]:focus,
.adhoc-reg-field input[type="time"]:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.adhoc-reg-field input[type="date"]:invalid,
.adhoc-reg-field input[type="datetime-local"]:invalid,
.adhoc-reg-field input[type="month"]:invalid,
.adhoc-reg-field input[type="time"]:invalid {
  border-color: var(--color-gray-300, #d1d5db);
  box-shadow: none;
}

.adhoc-reg-field input[type="date"]:invalid:focus,
.adhoc-reg-field input[type="datetime-local"]:invalid:focus,
.adhoc-reg-field input[type="month"]:invalid:focus,
.adhoc-reg-field input[type="time"]:invalid:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.adhoc-reg-field textarea {
  resize: vertical;
  min-height: 5rem;
}

.adhoc-reg-field--full {
  grid-column: 1 / -1;
}

.adhoc-reg-submit {
  margin-top: var(--space-md, 1rem);
  width: 100%;
  padding: 0.9rem 1.5rem;
  font-size: var(--font-size-base, 1rem);
  font-weight: 600;
  font-family: inherit;
  color: var(--color-white, #fff);
  background: var(--gradient-primary, linear-gradient(135deg, #dc2626 0%, #b91c1c 100%));
  border: none;
  border-radius: var(--radius-lg, 0.75rem);
  cursor: pointer;
  box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
  transition: transform var(--transition-fast, 0.15s), box-shadow var(--transition-fast, 0.15s);
}

.adhoc-reg-submit:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg, 0 10px 15px -3px rgba(0, 0, 0, 0.15));
}

.adhoc-reg-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Cloudflare Turnstile — directly above submit (not at top of form) */
.adhoc-reg-turnstile-wrap {
  margin-top: var(--space-md, 1rem);
  margin-bottom: var(--space-sm, 0.5rem);
}

.adhoc-reg-turnstile-wrap .adhoc-reg-turnstile {
  display: flex;
  justify-content: flex-start;
}

/* Centered states: loading / 404 */
.adhoc-reg-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-3xl, 4rem) var(--space-md, 1rem);
  max-width: 28rem;
  margin: 0 auto;
}

.adhoc-reg-state h1 {
  font-family: var(--font-heading, "Bebas Neue", sans-serif);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-white, #fff);
  margin: 0 0 var(--space-md, 1rem);
}

.adhoc-reg-state p {
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin: 0;
}

.adhoc-reg-state a {
  color: #fca5a5;
  font-weight: 600;
}

.adhoc-reg-state a:hover {
  color: #fff;
}

.adhoc-reg-foot {
  text-align: center;
  padding: var(--space-lg, 1.5rem);
  font-size: var(--font-size-xs, 0.75rem);
  color: var(--color-gray-500, #6b7280);
}

.adhoc-reg-foot a {
  color: var(--color-gray-600, #4b5563);
  font-weight: 500;
}

.adhoc-reg-foot a:hover {
  color: var(--color-primary, #dc2626);
}

/* Tab switcher: existing vs new participant */
.adhoc-reg-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-xl, 2rem);
  border-radius: var(--radius-xl, 1rem);
  overflow: hidden;
  border: 1px solid var(--color-gray-200, #e5e7eb);
  background: var(--color-gray-100, #f3f4f6);
}

.adhoc-reg-tab {
  flex: 1;
  padding: 0.9rem 1rem;
  font-size: var(--font-size-sm, 0.875rem);
  font-weight: 600;
  font-family: inherit;
  color: var(--color-gray-600, #4b5563);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast, 0.15s), color var(--transition-fast, 0.15s);
}

.adhoc-reg-tab:hover {
  color: var(--color-gray-900, #111827);
  background: rgba(255, 255, 255, 0.5);
}

.adhoc-reg-tab[aria-selected="true"] {
  background: var(--color-white, #fff);
  color: var(--color-primary, #dc2626);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.adhoc-reg-new-intro {
  font-size: var(--font-size-sm, 0.875rem);
  color: var(--color-gray-600, #4b5563);
  line-height: 1.6;
  margin: 0 0 var(--space-xl, 2rem);
  padding: var(--space-lg, 1.5rem);
  border-radius: var(--radius-xl, 1rem);
  background: linear-gradient(145deg, #fffbeb 0%, #fef3c7 100%);
  border: 1px solid #fcd34d;
}

.adhoc-reg-field input[readonly] {
  background: var(--color-gray-50, #f9fafb);
  color: var(--color-gray-700, #374151);
}