/* ============ RSVP Page Styles ============ */

.hero-small .hero-image {
  max-height: 200px;
  object-fit: cover;
  object-position: center bottom;
}

@media (min-width: 768px) {
  .hero-small .hero-image {
    max-height: 300px;
  }
}

.home-link {
  text-decoration: none;
  transition: opacity var(--duration-fast);
}

.home-link:hover {
  opacity: 0.8;
}

.rsvp-section {
  text-align: left;
}

.rsvp-section h2 {
  text-align: center;
}

.rsvp-loading,
.rsvp-error,
.rsvp-success {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.rsvp-error-message {
  color: var(--color-danger);
  margin-bottom: var(--spacing-lg);
}

.rsvp-lookup {
  max-width: var(--container-sm);
  margin: 0 auto;
  padding: var(--spacing-lg);
  background-color: var(--color-primary-faint);
  border-radius: var(--radius-md);
}

.rsvp-lookup p {
  margin-bottom: var(--spacing-md);
}

.lookup-form,
.petition-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

#lookup-result,
#petition-result {
  margin-top: var(--spacing-md);
  margin-bottom: 0;
}

/* Petition Form */
.rsvp-petition {
  max-width: var(--container-md);
  margin: var(--spacing-lg) auto 0;
  padding: var(--spacing-lg);
  background-color: var(--color-primary-faint);
  border-radius: var(--radius-md);
}

.rsvp-petition h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.rsvp-petition > p {
  margin-bottom: var(--spacing-md);
  font-size: var(--text-base);
}

/* RSVP Form */
.rsvp-form {
  max-width: var(--container-md);
  margin: 0 auto;
}

.rsvp-greeting,
.rsvp-success h3 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
}

.rsvp-greeting {
  margin-bottom: var(--spacing-sm);
}

.rsvp-intro {
  margin-bottom: var(--spacing-xl);
}

.form-fieldset {
  border: none;
  margin-bottom: var(--spacing-lg);
}

/* Radio buttons */
.radio-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  background-color: var(--color-white);
  border: 2px solid var(--color-text-20);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition:
    border-color var(--duration-fast),
    background-color var(--duration-fast),
    transform var(--duration-instant) ease;
}

.radio-card:active {
  transform: scale(0.98);
}

.radio-card:hover {
  border-color: var(--color-text-40);
}

.radio-card:has(input:checked) {
  border-color: var(--color-primary);
  background-color: var(--color-primary-faint);
}

.radio-card input[type="radio"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.radio-text {
  font-size: var(--text-base);
  color: var(--color-text);
}

.attending-details {
  background-color: var(--color-text-3);
  border-radius: var(--radius-md);
  overflow: hidden;
  clip-path: inset(0 0 100% 0);
  opacity: 0;
  padding: 0 var(--spacing-lg);
  margin-bottom: 0;
  max-height: 0;
  transition:
    clip-path var(--duration-slow) ease,
    opacity var(--duration-moderate) ease,
    padding var(--duration-moderate) ease,
    margin-bottom var(--duration-moderate) ease,
    max-height var(--duration-moderate) ease;
}

.attending-details-open {
  clip-path: inset(0);
  opacity: 1;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  max-height: 500px;
}

/* Success state */
.rsvp-success h3 {
  margin-bottom: var(--spacing-md);
}

.rsvp-success p {
  margin-bottom: var(--spacing-md);
}

.rsvp-update-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--spacing-lg);
}

/* Reduced Motion - Respect user preferences for animations */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Form state transitions (fade-in-up) */
.form-state {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--duration-moderate) ease,
    transform var(--duration-moderate) ease;
}

.form-state-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered field entrance */
@keyframes field-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-state-visible .form-fieldset,
.form-state-visible .form-group,
.form-state-visible > .btn-large {
  animation: field-enter var(--duration-moderate) ease var(--stagger, 0s)
    backwards;
}

.form-state-visible .form-fieldset {
  --stagger: 0.1s;
}
.form-state-visible .form-group:nth-child(1) {
  --stagger: 0.15s;
}
.form-state-visible .form-group:nth-child(2) {
  --stagger: 0.2s;
}
.form-state-visible .form-group:nth-child(3) {
  --stagger: 0.25s;
}
.form-state-visible .form-group:nth-child(4) {
  --stagger: 0.3s;
}
.form-state-visible .form-group:nth-child(5) {
  --stagger: 0.35s;
}
.form-state-visible .form-group:nth-child(6) {
  --stagger: 0.4s;
}
.form-state-visible > .btn-large {
  --stagger: 0.45s;
}

/* Radio selection pop */
@keyframes radio-pop {
  0% {
    transform: scale(1);
  }
  40% {
    transform: scale(1.02);
  }
  100% {
    transform: scale(1);
  }
}

.radio-card:has(input:checked) {
  animation: radio-pop 0.3s ease;
}

/* Greeting entrance */
.rsvp-greeting {
  animation: greeting-entrance 0.6s ease backwards;
}

@keyframes greeting-entrance {
  0% {
    opacity: 0;
    transform: scale(0.9) translateY(8px);
  }
  60% {
    transform: scale(1.02) translateY(0);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.rsvp-intro {
  animation: field-enter var(--duration-moderate) ease 0.1s backwards;
}

/* Submit button loading spinner */
.btn-loading {
  color: transparent;
  pointer-events: none;
  position: relative;
}

.btn-loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid color-mix(in srgb, var(--color-on-primary) 30%, transparent);
  border-top-color: var(--color-on-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

/* Error shake */
@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  20% {
    transform: translateX(-6px);
  }
  40% {
    transform: translateX(6px);
  }
  60% {
    transform: translateX(-4px);
  }
  80% {
    transform: translateX(4px);
  }
}

.form-error-shake,
.lookup-result-shake,
.petition-result-shake {
  animation: shake var(--duration-moderate) ease;
}

.lookup-result:not([hidden]),
.petition-result:not([hidden]) {
  animation: field-enter 0.3s ease;
}

/* Success state celebration */
@keyframes success-title {
  0% {
    opacity: 0;
    transform: scale(0.8);
  }
  60% {
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.rsvp-success.form-state-visible h3 {
  animation: success-title 0.6s ease 0.2s backwards;
}

.rsvp-success.form-state-visible p {
  animation: field-enter var(--duration-moderate) ease 0.4s backwards;
}

.rsvp-success.form-state-visible .btn-secondary {
  animation: field-enter var(--duration-moderate) ease 0.6s backwards;
}

/* Confetti burst */
.confetti-piece {
  position: absolute;
  border-radius: 2px;
  animation: confetti-fall ease-out forwards;
  will-change: transform, opacity;
}

@keyframes confetti-fall {
  0% {
    transform: translate(0, 0) rotate(0deg) scale(0);
    opacity: 0;
  }
  10% {
    transform: translate(0, 0) rotate(0deg) scale(1);
    opacity: 1;
  }
  100% {
    transform: translate(var(--confetti-tx), var(--confetti-ty))
      rotate(var(--confetti-rot)) scale(0.5);
    opacity: 0;
  }
}

/* Mini sparkle (Yes selection) */
.mini-sparkle {
  position: fixed;
  width: var(--sparkle-size, 5px);
  height: var(--sparkle-size, 5px);
  background: var(--sparkle-color, var(--color-primary));
  border-radius: 50%;
  pointer-events: none;
  z-index: var(--z-grand-entrance);
  animation: mini-sparkle-pop 0.6s ease forwards;
}

.mini-sparkle::before,
.mini-sparkle::after {
  content: "";
  position: absolute;
  background: inherit;
  border-radius: 1px;
}

.mini-sparkle::before {
  width: 2px;
  height: calc(var(--sparkle-size, 5px) * 2);
  top: calc(var(--sparkle-size, 5px) * -0.5);
  left: calc(var(--sparkle-size, 5px) / 2 - 1px);
}

.mini-sparkle::after {
  width: calc(var(--sparkle-size, 5px) * 2);
  height: 2px;
  top: calc(var(--sparkle-size, 5px) / 2 - 1px);
  left: calc(var(--sparkle-size, 5px) * -0.5);
}

@keyframes mini-sparkle-pop {
  0% {
    transform: translate(0, 0) scale(0) rotate(0deg);
    opacity: 0.8;
  }
  35% {
    transform: translate(
        calc(var(--sparkle-tx) * 0.4),
        calc(var(--sparkle-ty) * 0.4)
      )
      scale(1.1) rotate(35deg);
    opacity: 1;
  }
  100% {
    transform: translate(var(--sparkle-tx), var(--sparkle-ty)) scale(0)
      rotate(90deg);
    opacity: 0;
  }
}