.deep-reading-gate[hidden] { display: none; }

.deep-reading-gate {
  position: fixed;
  inset: 0;
  z-index: 1400;
  display: grid;
  place-items: center;
  padding: 24px;
  color: #2d211b;
  font-family: "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
}

.deep-reading-gate-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(22, 12, 8, .72);
  backdrop-filter: blur(9px);
  opacity: 0;
  transition: opacity .24s ease;
}

.deep-reading-gate-panel {
  position: relative;
  width: min(100%, 640px);
  max-height: min(88svh, 820px);
  overflow: auto;
  border: 1px solid rgba(111, 71, 43, .22);
  border-radius: 8px;
  background:
    radial-gradient(circle at 95% 4%, rgba(162, 64, 51, .12), transparent 32%),
    linear-gradient(180deg, #fff9ed 0%, #f4e8d1 100%);
  box-shadow: 0 34px 100px rgba(18, 9, 5, .42);
  opacity: 0;
  transform: translateY(24px) scale(.98);
  transition: opacity .24s ease, transform .32s cubic-bezier(.22, 1, .36, 1);
}

.deep-reading-gate.is-visible .deep-reading-gate-backdrop { opacity: 1; }
.deep-reading-gate.is-visible .deep-reading-gate-panel { opacity: 1; transform: none; }
body.deep-reading-gate-open { overflow: hidden; }

.deep-reading-gate-close {
  position: absolute;
  top: 17px;
  right: 17px;
  z-index: 2;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(74, 50, 36, .2);
  border-radius: 50%;
  background: rgba(255, 251, 241, .76);
  color: #3a281f;
  font-size: 25px;
  line-height: 1;
  cursor: pointer;
}

.deep-reading-gate-head {
  padding: 42px 64px 25px 38px;
  border-bottom: 1px solid rgba(94, 61, 40, .14);
}

.deep-reading-gate-kicker {
  margin: 0 0 11px;
  color: #973f35;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}

.deep-reading-gate-head h2 {
  max-width: 480px;
  margin: 0;
  font-family: inherit;
  font-size: clamp(27px, 4.2vw, 38px);
  line-height: 1.32;
  letter-spacing: -.045em;
}

.deep-reading-gate-head h2 span { display: block; }

.deep-reading-gate-head > p:last-child {
  max-width: 500px;
  margin: 15px 0 0;
  color: #6e5d51;
  font-size: 14px;
  line-height: 1.72;
}

.deep-reading-gate-body { padding: 26px 38px 34px; }

.deep-reading-gate-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(94, 61, 40, .18);
}

.deep-reading-gate-item {
  display: grid;
  grid-template-columns: 5px minmax(0, 1fr);
  gap: 17px;
  padding: 19px 2px;
  border-bottom: 1px solid rgba(94, 61, 40, .18);
}

.deep-reading-gate-item::before {
  content: "";
  width: 5px;
  min-height: 42px;
  border-radius: 1px;
  background: #9d4037;
}

.deep-reading-gate-item.is-price::before { background: #c38b32; }
.deep-reading-gate-item.is-reading::before { background: #4e6c56; }
.deep-reading-gate-item b { display: block; font-size: 15px; line-height: 1.45; }
.deep-reading-gate-item p { margin: 6px 0 0; color: #756255; font-size: 13px; line-height: 1.67; }
.deep-reading-gate-item strong { color: #8f392f; font-weight: 850; }

.deep-reading-gate-price-note {
  margin: 14px 0 0;
  color: #7e6d60;
  font-size: 11.5px;
  line-height: 1.55;
}

.deep-reading-gate-actions {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 10px;
  margin-top: 24px;
}

.deep-reading-gate-action {
  min-height: 54px;
  padding: 12px 18px;
  border: 1px solid #923c34;
  border-radius: 4px;
  background: #923c34;
  color: #fffaf0;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .18s ease, background .18s ease;
}

.deep-reading-gate-action:hover { background: #7f302a; transform: translateY(-2px); }
.deep-reading-gate-action:focus-visible,
.deep-reading-gate-close:focus-visible,
.deep-reading-gate-cancel:focus-visible { outline: 3px solid rgba(157, 64, 55, .26); outline-offset: 3px; }
.deep-reading-gate-action.secondary { border-color: rgba(75, 51, 37, .28); background: rgba(255, 250, 239, .72); color: #3a281f; }
.deep-reading-gate-action.secondary:hover { background: #fffaf0; }
.deep-reading-gate-action:disabled { cursor: wait; opacity: .62; transform: none; }
.deep-reading-gate-action[hidden] { display: none; }

.deep-reading-gate-cancel {
  width: 100%;
  margin-top: 14px;
  padding: 8px;
  border: 0;
  background: transparent;
  color: #766359;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.deep-reading-gate-status {
  min-height: 20px;
  margin: 12px 0 0;
  color: #816e60;
  font-size: 11.5px;
  line-height: 1.5;
  text-align: center;
}

@media (max-width: 640px) {
  .deep-reading-gate { align-items: end; padding: 0; }
  .deep-reading-gate-panel {
    width: 100%;
    max-height: 92svh;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 20px 20px 0 0;
  }
  .deep-reading-gate-head { padding: 34px 54px 21px 24px; }
  .deep-reading-gate-head h2 { max-width: 340px; font-size: 28px; }
  .deep-reading-gate-head > p:last-child { margin-top: 11px; font-size: 13px; }
  .deep-reading-gate-body { padding: 20px 24px calc(24px + env(safe-area-inset-bottom)); }
  .deep-reading-gate-item { gap: 14px; padding: 15px 0; }
  .deep-reading-gate-actions { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .deep-reading-gate-backdrop,
  .deep-reading-gate-panel,
  .deep-reading-gate-action { transition: none; }
}