/* CSS Reset & Global Styling */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Fredoka', 'Quicksand', sans-serif;
}

body {
  background-color: #e0d4c6;
  background-image: url('img/bg.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

/* Outer Wrapper for positioning Header Badge over Main Card */
.voucher-wrapper {
  position: relative;
  width: 100%;
  max-width: 680px;
  margin-top: 25px;
}

/* Top Wooden Header Badge */
.wood-badge {
  position: absolute;
  top: -36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  width: 270px;
  aspect-ratio: 308 / 85;
  background-image: url('img/title.webp');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-bottom: 4px;
}

.wood-badge span {
  color: #ffffff;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 2px;
  text-shadow: 1px 2px 3px rgba(0, 0, 0, 0.7), 0 1px 2px #3d1c07;
  display: block;
}

/* Main Outer Wooden Card Frame */
.voucher-card_outer1 {
  background: #EACFAB;
  background: linear-gradient(180deg, rgba(234, 207, 171, 1) 0%, rgba(188, 138, 100, 1) 22%, rgba(188, 138, 100, 1) 77%, rgba(154, 110, 70, 1) 100%);
  border-radius: 54px;
  padding: 2px;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.6);
}

.voucher-card_outer2 {
  background: #DAB081;
  background: linear-gradient(180deg, rgba(218, 176, 129, 1) 0%, rgba(168, 126, 81, 1) 100%);
  border-radius: 52px;
  padding: 10px;
}

.voucher-card_outer3 {
  background: #9A6E46;
  background: linear-gradient(180deg, rgba(154, 110, 70, 1) 0%, rgba(188, 138, 100, 1) 23%, rgba(197, 161, 123, 1) 78%, rgba(234, 207, 171, 1) 100%);
  border-radius: 42px;
  padding: 2px;
}

.voucher-card {
  background-color: #f7ede2;
  /* Seigaiha Japanese Wave Pattern SVG */
  background-image: url('img/bg_pattern.webp');
  background-repeat: repeat;
  border-radius: 40px;
  padding: 45px 35px 30px 35px;
  box-shadow: inset 0 0px 16px rgba(0, 0, 0, 0.4);
}

/* Main Card Title */
.card-title {
  color: #3e2723;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 22px;
}

/* Input Section Container */
.input-section {
  background-color: #ffffff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12), inset 0 0 8px rgba(0, 0, 0, 0.05);
  border: 2px solid #e2d3c2;
  margin-bottom: 25px;
}

.input-header {
  background-color: #439257;
  background: linear-gradient(180deg, #4f9f63 0%, #3a824d 100%);
  padding: 8px 15px;
  text-align: center;
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
}

.input-body {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 15px;
  position: relative;
}

/* Ticket Icon CSS */
.ticket-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  height: 52px;
}

.ticket-icon img {
  height: 100%;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* Interactive Code Input Display */
.code-input-container {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
}

#voucherCode {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
  font-size: 24px;
  text-align: center;
}

.code-slots {
  display: flex;
  gap: 10px;
  width: 100%;
  justify-content: center;
  align-items: center;
}

.slot {
  font-size: 28px;
  font-weight: 700;
  color: #2d6a3f;
  width: 24px;
  text-align: center;
  border-bottom: 3px solid #cccdce;
  height: 38px;
  line-height: 34px;
  transition: all 0.2s ease;
  position: relative;
}

.slot.active {
  border-bottom-color: #3a824d;
}

.slot.has-char {
  border-bottom-color: #cccdce;
}

/* Caret Cursor Effect */
.slot.caret::after {
  content: '|';
  position: absolute;
  left: -4px;
  top: -2px;
  color: #333;
  font-weight: 300;
  animation: blink 1s infinite;
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0;
  }
}

/* Submit Button */
.submit-btn {
  background: linear-gradient(180deg, #ffa726 0%, #f57c00 100%);
  border: 2px solid #e65100;
  border-bottom-color: #b71c1c;
  color: #ffffff;
  font-size: 20px;
  font-weight: 700;
  padding: 10px 32px;
  border-radius: 18px;
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.25), inset 0 2px 2px rgba(255, 255, 255, 0.4);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.4);
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.submit-btn:hover {
  background: linear-gradient(180deg, #ffb74d 0%, #fb8c00 100%);
  transform: translateY(-1px);
}

.submit-btn:active {
  transform: translateY(2px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Info Box */
.info-box {
  background-color: rgba(228, 212, 191, 0.55);
  border: 2px solid #d8be9f;
  border-radius: 18px;
  padding: 18px 22px;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.04);
}

.info-icon {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 22px;
  height: 22px;
  background-color: #bd9a77;
  color: #ffffff;
  border-radius: 50%;
  text-align: center;
  line-height: 22px;
  font-size: 13px;
  font-style: italic;
  font-family: serif;
  font-weight: bold;
  cursor: pointer;
}

.info-box h3 {
  color: #3e2723;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.instructions {
  padding-left: 20px;
  color: #4a3525;
  font-size: 15px;
  line-height: 1.6;
  font-weight: 600;
}

.instructions li {
  margin-bottom: 3px;
}

.highlight-link {
  color: #2e6b3e;
  text-decoration: underline;
  font-weight: 700;
}

.highlight-link:hover {
  color: #1b4727;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: #323232;
  color: #fff;
  padding: 12px 24px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: all 0.3s ease;
  z-index: 999;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast.success {
  background-color: #2e7d32;
}

.toast.error {
  background-color: #c62828;
}

/* Responsive Styling for Mobile */
@media (max-width: 600px) {
  .voucher-card {
    padding: 35px 18px 20px 18px;
  }

  .wood-badge {
    width: 210px;
    top: -28px;
  }

  .wood-badge span {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .card-title {
    font-size: 18px;
  }

  .input-body {
    flex-direction: column;
    align-items: center;
    gap: 15px;
  }

  .code-input-container {
    width: 100%;
    justify-content: center;
  }

  .code-slots {
    justify-content: center;
  }

  .submit-btn {
    width: 100%;
  }
}