/* HCT Loading UI v3: shared typography plus entry and in-service loading states. */
@font-face {
  font-family: "Pretendard Variable";
  font-style: normal;
  font-weight: 45 920;
  font-display: swap;
  src: url("/assets/fonts/PretendardVariable.woff2") format("woff2");
}

:root {
  --hct-loading-cover-image: url("/assets/platform-loading-cover.png");
  --hct-loading-font: "Pretendard Variable", Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI", sans-serif;
  --hct-loading-ink: #172033;
  --hct-loading-muted: #43536a;
  --hct-loading-surface: rgba(249, 252, 255, 0.88);
  --hct-loading-rainbow: conic-gradient(
    #ff004c,
    #ff7a00,
    #ffd400,
    #2bdc6f,
    #00c2ff,
    #4b7bff,
    #b64bff,
    #ff004c
  );
}

body.hct-platform-loading-active {
  overflow: hidden;
}

.hct-loading-stage,
.hct-loading-dialog,
.hct-loading-card,
.hct-loading-mark,
.hct-loading-gauge,
.hct-loading-gauge-indeterminate {
  box-sizing: border-box;
}

.hct-loading-stage {
  width: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  padding: 24px;
  background: transparent;
  color: var(--hct-loading-ink);
  font-family: var(--hct-loading-font);
}

.hct-loading-dialog {
  width: 100vw;
  max-width: none;
  height: 100vh;
  max-height: none;
  margin: 0;
  padding: 24px;
  border: 0;
  background: transparent;
  color: var(--hct-loading-ink);
  font-family: var(--hct-loading-font);
}

.hct-loading-stage--entry {
  background:
    linear-gradient(rgba(248, 252, 255, 0.34), rgba(241, 248, 253, 0.38)),
    var(--hct-loading-cover-image) center center / cover no-repeat;
}

.hct-loading-dialog[open] {
  display: grid;
  place-items: center;
}

.hct-loading-dialog:focus {
  outline: none;
}

.hct-loading-dialog::backdrop {
  background: transparent;
}

.hct-loading-dialog.hct-loading-stage--entry::backdrop {
  background: #eef5fb;
}

.hct-loading-card {
  width: min(500px, calc(100vw - 40px));
  display: grid;
  justify-items: center;
  gap: 13px;
  padding: 32px 38px 30px;
  border: 1px solid rgba(255, 255, 255, 0.94);
  border-radius: 18px;
  background: var(--hct-loading-surface);
  box-shadow: 0 22px 55px rgba(31, 53, 76, 0.18);
  -webkit-backdrop-filter: blur(12px) saturate(1.08);
  backdrop-filter: blur(12px) saturate(1.08);
  text-align: center;
  font-family: var(--hct-loading-font) !important;
}

.hct-loading-card * {
  font-family: var(--hct-loading-font) !important;
  font-style: normal;
}

.hct-loading-card .hct-loading-kicker {
  margin: 0 0 6px;
  color: #526378;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0;
}

.hct-loading-mark {
  width: 68px;
  height: 68px;
  flex: 0 0 68px;
  border: 0;
  border-radius: 50%;
  background: var(--hct-loading-rainbow);
  -webkit-mask: radial-gradient(circle, transparent 58%, #000 60%);
  mask: radial-gradient(circle, transparent 58%, #000 60%);
  filter: saturate(1.15) contrast(1.05) drop-shadow(0 7px 12px rgba(29, 42, 58, 0.11));
  animation: hct-loading-spin 0.85s linear infinite;
}

.hct-loading-card > .hct-loading-mark {
  margin-bottom: 24px;
}

.hct-loading-mark--section {
  width: 32px;
  height: 32px;
  flex-basis: 32px;
}

.hct-loading-mark--button {
  width: 16px;
  height: 16px;
  flex-basis: 16px;
}

.hct-loading-card .hct-loading-title {
  margin: 1px 0 0;
  color: var(--hct-loading-ink);
  font-size: 23px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0;
  text-wrap: balance;
}

.hct-loading-card .hct-loading-sub {
  min-height: 1.6em;
  margin: 0;
  color: var(--hct-loading-muted);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0;
  word-break: keep-all;
  text-wrap: balance;
}

.hct-loading-gauge {
  position: relative;
  width: 100%;
  max-width: 420px;
  height: 5px;
  margin-top: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: linear-gradient(180deg, #8c9bab, #d7e0e8);
  box-shadow: inset 0 2px 3px rgba(15, 23, 42, 0.2), 0 1px 2px rgba(15, 23, 42, 0.1);
}

.hct-loading-gauge-indeterminate {
  position: absolute;
  inset: 0 auto 0 0;
  width: 42%;
  border-radius: inherit;
  background: linear-gradient(90deg, #ff004c 0%, #ff7a00 20%, #ffd400 38%, #2bdc6f 58%, #00c2ff 78%, #4b7bff 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 0 10px rgba(0, 194, 255, 0.22);
  transform: translate3d(-120%, 0, 0);
  animation: hct-loading-sweep 2.05s cubic-bezier(0.45, 0, 0.2, 1) infinite;
}

.hct-loading-gauge::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.45), transparent);
}

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

@keyframes hct-loading-sweep {
  from { transform: translate3d(-120%, 0, 0); }
  to { transform: translate3d(260%, 0, 0); }
}

@keyframes hct-loading-pulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@media (max-width: 600px) {
  .hct-loading-stage,
  .hct-loading-dialog {
    padding: 16px;
  }

  .hct-loading-card {
    width: min(100%, 460px);
    padding: 28px 22px 26px;
    border-radius: 14px;
  }

  .hct-loading-mark {
    width: 58px;
    height: 58px;
    flex-basis: 58px;
  }

  .hct-loading-card > .hct-loading-mark {
    margin-bottom: 20px;
  }

  .hct-loading-mark--section {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .hct-loading-mark--button {
    width: 16px;
    height: 16px;
    flex-basis: 16px;
  }

  .hct-loading-card .hct-loading-title {
    font-size: 19px;
  }

  .hct-loading-card .hct-loading-sub {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hct-loading-mark {
    animation-duration: 1.5s;
  }

  .hct-loading-gauge-indeterminate {
    width: 100%;
    transform: none;
    animation: hct-loading-pulse 1.8s ease-in-out infinite;
  }
}