:root {
  --color-primary: #c41e3a;
  --color-primary-dark: #8b1429;
  --color-secondary: #165b33;
  --color-accent: #ffd700;
  --color-bg: #f8f9fa;
  --color-card: #ffffff;
  --color-text: #2c3e50;
  --color-text-light: #6c757d;
  --color-border: #e9ecef;
  --color-success: #28a745;
  --color-error: #dc3545;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
  --border-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  color: var(--color-text);
  position: relative;
  overflow-x: hidden;
}

/* Animated Snow */
.snow {
  position: fixed;
  top: -10px;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(4px 4px at 100px 50px, #fff, transparent),
    radial-gradient(6px 6px at 200px 150px, #fff, transparent),
    radial-gradient(3px 3px at 300px 250px, #fff, transparent),
    radial-gradient(4px 4px at 400px 350px, #fff, transparent),
    radial-gradient(6px 6px at 500px 100px, #fff, transparent);
  background-size: 550px 550px;
  background-repeat: repeat;
  animation: snow 20s linear infinite;
  pointer-events: none;
  opacity: 0.6;
  z-index: 1;
}

.snow:nth-child(2) {
  animation: snow 25s linear infinite;
  background-position: 200px 200px;
}

.snow:nth-child(3) {
  animation: snow 30s linear infinite;
  background-position: 100px 300px;
}

@keyframes snow {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(550px);
  }
}

.container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 30px;
  animation: fadeInDown 0.6s ease;
}

.logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15px;
  margin-bottom: 10px;
}

.santa-emoji {
  font-size: 60px;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

h1 {
  font-size: 48px;
  color: white;
  font-weight: 800;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.2);
}

.tagline {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 400;
}

/* Card */
.card {
  background: var(--color-card);
  border-radius: var(--border-radius);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  animation: fadeInUp 0.6s ease;
  margin-bottom: 30px;
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form */
.form-group {
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--color-text);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.icon {
  font-size: 18px;
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--color-border);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  transition: var(--transition);
  background: white;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(196, 30, 58, 0.1);
}

textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.hint {
  display: block;
  margin-top: 6px;
  color: var(--color-text-light);
  font-size: 13px;
}

/* Buttons */
button {
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  border-radius: 10px;
  transition: var(--transition);
  border: none;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  width: 100%;
  padding: 16px 32px;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  color: white;
  box-shadow: 0 4px 15px rgba(196, 30, 58, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(196, 30, 58, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  padding: 12px 24px;
  background: var(--color-secondary);
  color: white;
  box-shadow: 0 4px 15px rgba(22, 91, 51, 0.3);
}

.btn-secondary:hover {
  background: #1a7a44;
  transform: translateY(-2px);
}

.btn-outline {
  padding: 12px 24px;
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(196, 30, 58, 0.05);
}

/* Result Card */
.result-card {
  display: none;
}

.result-card.show {
  display: block;
}

.success-header {
  text-align: center;
  margin-bottom: 30px;
}

.success-icon {
  font-size: 80px;
  display: block;
  margin-bottom: 15px;
  animation: popIn 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes popIn {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.success-header h2 {
  color: var(--color-success);
  font-size: 28px;
  margin-bottom: 8px;
}

.success-header p {
  color: var(--color-text-light);
  font-size: 16px;
}

/* Guest Links */
.guest-links {
  background: var(--color-bg);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
  max-height: 400px;
  overflow-y: auto;
}

.guest-link {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  padding: 12px;
  background: white;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.guest-link:last-child {
  margin-bottom: 0;
}

.guest-link strong {
  min-width: 100px;
  color: var(--color-text);
  font-size: 14px;
}

.guest-link input {
  flex: 1;
  font-family: "Courier New", monospace;
  font-size: 13px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
}

.guest-link input:focus {
  border-color: var(--color-primary);
}

.guest-link button {
  padding: 8px 16px;
  background: var(--color-primary);
  color: white;
  border-radius: 6px;
  font-size: 13px;
  white-space: nowrap;
}

.guest-link button:hover {
  background: var(--color-primary-dark);
}

.result-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.result-actions button {
  flex: 1;
  min-width: 200px;
}

/* Guest Page */
.guest-page {
  background: linear-gradient(135deg, #165b33 0%, #0a3d22 100%);
}

.loading {
  text-align: center;
  padding: 60px 20px;
  color: white;
}

.spinner {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.loading p {
  font-size: 18px;
}

.error-card {
  text-align: center;
  padding: 60px 40px;
}

.error-icon {
  font-size: 80px;
  display: block;
  margin-bottom: 20px;
}

.error-card h2 {
  color: var(--color-error);
  margin-bottom: 12px;
}

.error-card p {
  color: var(--color-text-light);
  margin-bottom: 24px;
  font-size: 16px;
}

/* Reveal Card */
.reveal-card {
  background: linear-gradient(135deg, #c41e3a 0%, #8b1429 100%);
  color: white;
  text-align: center;
}

.reveal-header {
  margin-bottom: 40px;
}

.gift-emoji {
  font-size: 80px;
  display: block;
  margin-bottom: 20px;
  animation: rotate 3s ease-in-out infinite;
}

@keyframes rotate {
  0%,
  100% {
    transform: rotate(-5deg);
  }
  50% {
    transform: rotate(5deg);
  }
}

.reveal-header h1 {
  font-size: 36px;
  margin-bottom: 10px;
  color: white;
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
}

.reveal-content {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 40px 30px;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
  position: relative;
}

.reveal-label {
  font-size: 18px;
  margin-bottom: 16px;
  opacity: 0.9;
}

.recipient-name {
  font-size: 48px;
  font-weight: 800;
  margin: 20px 0;
  text-shadow: 3px 6px 12px rgba(0, 0, 0, 0.4);
  animation: fadeInScale 0.8s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.confetti {
  font-size: 40px;
  margin-top: 20px;
}

/* Party Info */
.party-info {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 24px;
  color: var(--color-text);
}

.party-info h3 {
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-secondary);
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-item.full-width {
  grid-column: 1 / -1;
}

.info-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-text-light);
  font-weight: 600;
}

.info-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.reminder {
  background: rgba(255, 215, 0, 0.2);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.reminder-icon {
  font-size: 28px;
}

.reminder p {
  font-size: 16px;
  font-weight: 500;
}

/* Wishlist Section */
.wishlist-section {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 24px;
  color: var(--color-text);
}

.wishlist-section h3 {
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-secondary);
}

#wishlistText {
  width: 100%;
  margin-bottom: 16px;
  min-height: 100px;
  line-height: 1.6;
}

.wishlist-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 16px;
}

.char-counter {
  font-size: 13px;
  color: var(--color-text-light);
  font-weight: 500;
  transition: color 0.3s ease;
}

#saveWishlistBtn {
  width: 100%;
  margin-top: 12px;
}

#wishlistMessage {
  text-align: center;
  margin-top: 12px;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.3s ease;
}

/* Recipient Wishlist Section */
#recipient-wishlist-section {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 24px;
  color: var(--color-text);
}

#recipient-wishlist-section .card {
  background: transparent;
  box-shadow: none;
  padding: 0;
}

#recipient-wishlist-section h3 {
  text-align: center;
  margin-bottom: 24px;
  color: var(--color-secondary);
}

#recipient-wishlist-text {
  line-height: 1.6;
  margin: 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  margin-top: auto;
  position: relative;
  z-index: 2;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0;
  }

  .card {
    padding: 24px;
    border-radius: 12px;
  }

  h1 {
    font-size: 36px;
  }

  .santa-emoji {
    font-size: 48px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .recipient-name {
    font-size: 36px;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .guest-link {
    flex-direction: column;
    align-items: stretch;
  }

  .guest-link strong {
    min-width: auto;
  }

  .result-actions button {
    width: 100%;
    min-width: auto;
  }
}