:root {
  --bg: #fcf8f6;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: rgba(255, 255, 255, 0.84);
  --stroke: rgba(132, 93, 111, 0.16);
  --text: #2f2832;
  --text-soft: rgba(47, 40, 50, 0.58);
  --red-soft: #edd4d8;
  --red-mid: #c98494;
  --blue-soft: #dbe8f3;
  --blue-mid: #82a1bb;
  --gold: #b38a5d;
  --shadow: 0 26px 60px rgba(103, 79, 90, 0.12);
  --radius-xl: 30px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --container: min(1120px, calc(100vw - 36px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Baskerville", "Iowan Old Style", "Palatino Linotype", "Noto Serif SC", "Songti SC", "STSong", serif;
  background:
    radial-gradient(circle at 0% 0%, rgba(237, 212, 216, 0.82), transparent 28%),
    radial-gradient(circle at 100% 4%, rgba(219, 232, 243, 0.92), transparent 24%),
    linear-gradient(180deg, #fffaf8 0%, #faf5f4 38%, #f5f0f2 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), transparent 88%);
  opacity: 0.2;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.page-shell {
  position: relative;
}

.site-header {
  width: var(--container);
  margin: 0 auto;
  padding: 26px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-mark,
.small-label {
  letter-spacing: 0.14em;
}

.brand-mark {
  font-size: 1.95rem;
  font-weight: 700;
}

.main-shell {
  width: var(--container);
  margin: 0 auto;
  min-height: calc(100vh - 86px);
  display: flex;
  align-items: center;
  padding: 18px 0 42px;
}

.ritual-section {
  width: 100%;
}

.ritual-panel {
  position: relative;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.62));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

.ritual-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(237, 212, 216, 0.16), transparent 34%),
    linear-gradient(315deg, rgba(219, 232, 243, 0.18), transparent 40%);
}

.ritual-input,
.ritual-output {
  position: relative;
  z-index: 1;
}

.ritual-input {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

#question {
  width: 100%;
  min-height: 156px;
  padding: 18px 20px;
  resize: vertical;
  border: 1px solid rgba(132, 93, 111, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.8;
}

#question::placeholder {
  color: rgba(47, 40, 50, 0.34);
}

#question:focus-visible,
.button:focus-visible,
.header-cta:focus-visible {
  outline: 2px solid rgba(130, 161, 187, 0.66);
  outline-offset: 3px;
}

.ritual-progress,
.live-board,
.analysis-panel,
.figure-card,
.meta-block {
  border: 1px solid rgba(132, 93, 111, 0.12);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(255, 255, 255, 0.56));
  backdrop-filter: blur(18px);
}

.ritual-progress {
  padding: 14px 16px;
  border-radius: var(--radius-md);
}

.ritual-progress.is-ready {
  border-color: rgba(179, 138, 93, 0.24);
  background:
    linear-gradient(135deg, rgba(237, 212, 216, 0.18), rgba(219, 232, 243, 0.18)),
    rgba(255, 255, 255, 0.7);
}

.progress-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.progress-head strong {
  font-size: 1.15rem;
  font-weight: 600;
}

#ritual-hint {
  color: var(--text-soft);
  font-size: 0.95rem;
}

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

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: 54px;
  padding: 0 22px;
  border-radius: 999px;
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease,
    opacity 220ms ease;
}

.header-cta,
.button-primary {
  border: 1px solid rgba(164, 101, 119, 0.16);
  background: linear-gradient(135deg, rgba(233, 203, 210, 0.96), rgba(220, 232, 243, 0.96));
  box-shadow: 0 18px 36px rgba(155, 113, 130, 0.14);
}

.button-secondary {
  border: 1px solid rgba(132, 93, 111, 0.12);
  background: rgba(255, 255, 255, 0.52);
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.button[disabled] {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
  box-shadow: none;
}

.button.is-ready {
  box-shadow: 0 18px 36px rgba(155, 113, 130, 0.18);
}

.ritual-output {
  display: grid;
  gap: 18px;
}

.analysis-trigger {
  justify-self: center;
  min-width: 136px;
}

.analysis-trigger.is-hidden {
  display: none;
}

.coin-stage {
  display: flex;
  justify-content: center;
  gap: 18px;
  padding: 4px 0 0;
  perspective: 1200px;
}

.coin {
  position: relative;
  width: 88px;
  height: 88px;
  transform-style: preserve-3d;
  transition: transform 1s cubic-bezier(0.22, 1, 0.36, 1);
}

.coin.toss {
  animation: flip 1s ease;
}

.coin-face {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  backface-visibility: hidden;
  border: 1px solid rgba(179, 138, 93, 0.42);
  font-size: 1.55rem;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.92), transparent 30%),
    linear-gradient(135deg, rgba(237, 212, 216, 0.86), rgba(220, 232, 243, 0.9));
  box-shadow:
    inset 0 2px 5px rgba(255, 255, 255, 0.72),
    0 12px 26px rgba(103, 79, 90, 0.12);
}

.coin-face.back {
  transform: rotateY(180deg);
}

.live-board {
  padding: 20px 22px;
  border-radius: var(--radius-lg);
}

.live-head,
.analysis-head,
.analysis-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.live-head {
  margin-bottom: 18px;
}

.small-label {
  color: rgba(132, 93, 111, 0.76);
  font-size: 0.78rem;
  text-transform: uppercase;
}

#line-name {
  font-size: 1.35rem;
  font-weight: 600;
}

.hexagram-preview,
.hexagram-lines {
  display: grid;
  gap: 12px;
  padding: 0;
  margin: 0;
  list-style: none;
  justify-items: center;
}

.hexagram-preview .hex-line {
  --line-width: 240px;
}

.figure-card .hex-line {
  --line-width: 148px;
}

.hex-line {
  display: grid;
  grid-template-columns: var(--line-width) 24px;
  align-items: center;
  gap: 12px;
  min-height: 18px;
}

.line-body {
  width: var(--line-width);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.bar {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(201, 132, 148, 0.84), rgba(130, 161, 187, 0.84));
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.36);
}

.bar.full {
  width: var(--line-width);
}

.bar.half {
  width: calc((var(--line-width) - 16px) / 2);
}

.bar.ghost {
  width: calc(var(--line-width) * 0.76);
  height: 2px;
  background: rgba(132, 93, 111, 0.16);
  box-shadow: none;
}

.line-marker {
  width: 24px;
  text-align: center;
  color: var(--gold);
  font-size: 1rem;
  opacity: 0;
}

.hex-line.is-moving .line-marker {
  opacity: 1;
}

.hex-line.is-empty .line-marker {
  opacity: 0;
}

.analysis-panel {
  padding: 22px;
  border-radius: var(--radius-lg);
}

.analysis-panel.is-hidden {
  display: none;
}

.analysis-panel:not(.is-hidden) {
  animation: panel-rise 220ms ease;
}

.analysis-title-wrap h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.02;
}

.analysis-side-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  color: var(--text-soft);
}

.analysis-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0 16px;
}

.figure-card {
  padding: 18px 16px;
  border-radius: var(--radius-md);
  display: grid;
  justify-items: center;
  gap: 14px;
}

.analysis-meta {
  gap: 14px;
}

.meta-block {
  flex: 1 1 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
}

.meta-block strong {
  display: block;
  margin-top: 8px;
  font-size: 1.05rem;
  font-weight: 600;
}

.analysis-summary {
  margin: 18px 0 0;
  color: var(--text-soft);
  line-height: 1.85;
}

@keyframes flip {
  0% {
    transform: rotateY(0) translateY(0);
  }
  50% {
    transform: rotateY(540deg) translateY(-16px);
  }
  100% {
    transform: rotateY(1080deg) translateY(0);
  }
}

@keyframes panel-rise {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .main-shell {
    min-height: auto;
    padding-top: 12px;
  }

  .ritual-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  :root {
    --container: min(100vw - 24px, 100%);
  }

  .site-header {
    padding-top: 18px;
  }

  .ritual-panel,
  .analysis-panel {
    padding: 18px;
  }

  .ritual-actions {
    flex-wrap: wrap;
  }

  .analysis-head,
  .analysis-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .analysis-side-meta {
    align-items: flex-start;
  }

  .analysis-figures {
    grid-template-columns: 1fr;
  }

  .hexagram-preview .hex-line {
    --line-width: 190px;
  }

  .figure-card .hex-line {
    --line-width: 190px;
  }

  .coin {
    width: 78px;
    height: 78px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}