/* Theme tokens */
:root {
  --gold-1: #fbd282;
  --gold-2: #b9781f;
  --btn-1: #6ad7ff;
  --btn-2: #2e86c8;
  --btn-border: #89e3ff;
  --ink-1: #06111f;
  --ink-2: #0e243d;
  --ink-3: #163960;
  --text-main: #f5efe2;
  --text-soft: #d9e6f3;
  --good: #6fe89b;
  --bad: #ff7e7e;
  --focus: #84d2ff;
  --panel-bg: rgba(4, 13, 26, 0.78);
  --panel-border: rgba(137, 227, 255, 0.55);
  --vignette: rgba(2, 8, 17, 0.78);
  --mist: rgba(71, 167, 230, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Rajdhani", "Segoe UI", Tahoma, sans-serif;
  color: var(--text-main);
  background-image:
    radial-gradient(circle at 18% 14%, rgba(99, 199, 255, 0.24), transparent 33%),
    radial-gradient(circle at 82% 26%, rgba(52, 130, 204, 0.22), transparent 36%),
    linear-gradient(118deg, rgba(4, 10, 18, 0.2), rgba(4, 10, 18, 0.72)),
    url("../img/landscape_bg.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  overflow-x: hidden;
  overflow-y: auto;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  z-index: 0;
  background:
    linear-gradient(145deg, rgba(19, 79, 126, 0.18), transparent 42%),
    radial-gradient(circle at 55% 120%, var(--mist), transparent 42%);
  mix-blend-mode: screen;
  animation: mist-shift 8s ease-in-out infinite alternate;
}

body::after {
  z-index: 0;
  background: radial-gradient(circle at center, transparent 42%, var(--vignette) 100%);
}

.logo {
  position: fixed;
  top: 16px;
  left: 16px;
  width: clamp(130px, 15vw, 235px);
  height: auto;
  z-index: 30;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, 0.55));
}

.bg-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(14px);
  mix-blend-mode: screen;
  animation: glow-float 7s ease-in-out infinite alternate;
}

.bg-glow-left {
  width: min(56vw, 640px);
  height: min(56vw, 640px);
  left: -16vw;
  top: 18vh;
  background: radial-gradient(circle, rgba(66, 179, 255, 0.46), rgba(28, 84, 132, 0));
}

.bg-glow-right {
  width: min(52vw, 580px);
  height: min(52vw, 580px);
  right: -14vw;
  top: 4vh;
  background: radial-gradient(circle, rgba(49, 126, 206, 0.45), rgba(49, 126, 206, 0));
  animation-delay: 1.5s;
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  width: 100%;
  padding: 82px max(18px, env(safe-area-inset-right)) 56px max(18px, env(safe-area-inset-left));
  position: relative;
  z-index: 1;
}

.redeem-panel {
  width: min(100%, 380px);
  background:
    linear-gradient(170deg, rgba(250, 226, 182, 0.13), rgba(250, 226, 182, 0.02) 36%),
    var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 18px 16px;
  backdrop-filter: blur(9px);
  box-shadow: 0 22px 44px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.06);
  animation: panel-enter 0.55s ease both;
  margin-inline: auto;
}

.panel-header {
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0;
  color: var(--gold-1);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 8px 0 8px;
  font-family: "Cinzel", Georgia, serif;
  font-size: clamp(1.45rem, 2.35vw, 1.95rem);
  line-height: 1.2;
}

.subtitle {
  margin: 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.45;
}

.redeem-form {
  display: grid;
  gap: 10px;
  padding: 6px 4px 8px;
}

.input-group {
  display: grid;
  gap: 6px;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
}

input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(17, 42, 72, 0.6), rgba(14, 33, 57, 0.6));
  color: var(--text-main);
  padding: 13px 14px;
  font-family: inherit;
  font-size: 1.02rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

input::placeholder {
  color: rgba(220, 233, 247, 0.7);
}

input:focus {
  border-color: var(--focus);
  box-shadow: 0 0 0 3px rgba(132, 210, 255, 0.22);
  transform: translateY(-1px);
}

.input-help {
  color: rgba(214, 228, 243, 0.86);
  font-size: 0.81rem;
}

.redeem-btn,
.popup button {
  border: 1px solid var(--btn-border);
  border-radius: 6px;
  padding: 13px 14px;
  color: #eaf7ff;
  font-size: 1.02rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: 0.02em;
  background: linear-gradient(180deg, var(--btn-1), var(--btn-2));
  box-shadow: 0 8px 18px rgba(28, 106, 170, 0.38);
  cursor: pointer;
  transition: transform 0.14s ease, filter 0.14s ease;
}

.redeem-btn {
  margin-top: 8px;
}

#closePopup {
  width: min(100%, 220px);
  min-height: 46px;
  font-size: 1.02rem;
  padding: 12px 20px;
}

.redeem-btn:hover,
.popup button:hover {
  filter: brightness(1.04);
}

.redeem-btn:active,
.popup button:active {
  transform: translateY(1px);
}

.redeem-btn:disabled {
  opacity: 0.72;
  cursor: not-allowed;
}

.overlay,
.modal {
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  z-index: 45;
}

.overlay.show,
.modal.show {
  display: grid;
}

.overlay {
  background: rgba(0, 0, 0, 0.6);
}

.loading-box {
  width: min(88vw, 285px);
  border: 1px solid rgba(137, 227, 255, 0.6);
  border-radius: 8px;
  background: rgba(6, 16, 29, 0.95);
  text-align: center;
  padding: 22px;
}

.loading-box img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  animation: spin 1s linear infinite;
}

.loading-box p {
  margin: 10px 0 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.modal {
  background: rgba(3, 8, 15, 0.66);
  padding: 12px;
}

.popup {
  width: min(90vw, 368px);
  border-radius: 8px;
  background: linear-gradient(175deg, rgba(29, 66, 103, 0.8), rgba(9, 22, 39, 0.95));
  border: 1px solid rgba(137, 227, 255, 0.5);
  text-align: center;
  padding: 22px 18px 16px;
  animation: popup-in 0.25s ease;
}

.popup.success {
  border-color: rgba(137, 227, 255, 0.65);
}

.popup.error {
  border-color: rgba(86, 183, 232, 0.62);
}

.popup img {
  width: 102px;
  height: 102px;
  object-fit: contain;
  margin-bottom: 10px;
}

.popup h2 {
  margin: 0 0 8px;
  font-family: "Cinzel", Georgia, serif;
  font-size: 1.32rem;
}

.popup p {
  margin: 0 0 12px;
  color: var(--text-soft);
  line-height: 1.4;
}

.confirm-popup {
  width: min(92vw, 410px);
  text-align: left;
  padding: 20px 16px 16px;
}

.confirm-popup h2 {
  margin: 0 0 12px;
  text-align: center;
}

.confirm-grid {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 8px 10px;
  border: 1px solid rgba(137, 227, 255, 0.4);
  background: rgba(8, 27, 48, 0.45);
  padding: 10px;
  margin-bottom: 10px;
}

.confirm-label,
.confirm-value {
  margin: 0;
  font-size: 0.98rem;
}

.confirm-label {
  color: rgba(219, 233, 248, 0.86);
}

.confirm-value {
  color: #eff9ff;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.confirm-note {
  font-size: 0.9rem;
  margin: 0 0 12px;
  text-align: center;
}

.confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

#cancelConfirm {
  background: linear-gradient(180deg, #9cb5cb, #6d87a0);
  border-color: #c3d4e3;
  color: #132335;
}

.site-footer {
  position: fixed;
  left: 50%;
  bottom: max(8px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(96vw, 920px);
  text-align: center;
  font-size: 0.8rem;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 400;
  line-height: 1.35;
  color: #f7fcff;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
  z-index: 5;
  pointer-events: none;
}

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

@keyframes panel-enter {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes popup-in {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes glow-float {
  from {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 0.86;
  }
  to {
    transform: translate3d(0, -12px, 0) scale(1.04);
    opacity: 1;
  }
}

@keyframes mist-shift {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-12px, 8px, 0);
  }
}

@media (max-width: 768px) {
  body {
    background-image:
      radial-gradient(circle at 50% 12%, rgba(93, 185, 245, 0.22), transparent 45%),
      linear-gradient(135deg, rgba(4, 10, 18, 0.26), rgba(4, 10, 18, 0.64)),
      url("../img/portrait_bg.jpg");
    background-position: top center;
  }

  body::before {
    background:
      linear-gradient(160deg, rgba(22, 91, 143, 0.16), transparent 58%),
      radial-gradient(circle at 52% 105%, rgba(78, 178, 238, 0.13), transparent 48%);
  }

  body::after {
    background: radial-gradient(circle at center, transparent 34%, rgba(2, 8, 17, 0.76) 100%);
  }

  .logo {
    top: 12px;
    left: 12px;
    width: clamp(108px, 33vw, 160px);
  }

  .page {
    place-items: center;
    width: 100%;
    padding: 76px max(12px, env(safe-area-inset-right)) 76px max(12px, env(safe-area-inset-left));
  }

  .redeem-panel {
    width: 100%;
    max-width: 400px;
    border-radius: 8px;
    padding: 22px 16px;
  }

  .bg-glow {
    filter: blur(10px);
    animation-duration: 6s;
  }

  .bg-glow-left {
    width: min(80vw, 420px);
    height: min(80vw, 420px);
    left: -30vw;
    top: 24vh;
  }

  .bg-glow-right {
    width: min(74vw, 400px);
    height: min(74vw, 400px);
    right: -28vw;
    top: 10vh;
  }

  .confirm-popup {
    width: min(95vw, 390px);
    padding: 18px 13px 14px;
  }

  #closePopup {
    width: 100%;
    min-height: 48px;
    font-size: 1rem;
  }

  .confirm-grid {
    grid-template-columns: 92px 1fr;
    gap: 7px 8px;
    padding: 8px;
  }

  .confirm-label,
  .confirm-value {
    font-size: 0.92rem;
  }

  .site-footer {
    width: min(94vw, 460px);
    font-size: 0.74rem;
    line-height: 1.3;
    bottom: max(7px, env(safe-area-inset-bottom));
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-glow,
  body::before {
    animation: none;
  }
}






.input-link {
  margin-top: 2px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--gold-1);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}

.input-link:hover {
  color: #fff4c8;
}

.guide-popup {
  width: min(94vw, 430px);
  text-align: left;
}

.guide-step {
  margin-bottom: 12px;
}

.guide-step p {
  margin-bottom: 8px;
}

.guide-step img {
  width: 100%;
  height: auto;
  border-radius: 6px;
}