:root {
  --paper: #f8f1e6;
  --paper-warm: #fffaf1;
  --paper-mist: #efe4d4;
  --surface: rgba(255, 250, 241, 0.78);
  --surface-strong: rgba(255, 253, 247, 0.92);
  --ink: #2c231d;
  --ink-soft: #6f5d50;
  --muted: #9a897c;
  --line: rgba(109, 78, 57, 0.16);
  --line-strong: rgba(127, 70, 49, 0.28);
  --accent: #9f2726;
  --accent-deep: #7b1e1d;
  --accent-soft: #d8b5a6;
  --gold: #b88a4b;
  --shadow: 0 26px 70px rgba(95, 61, 37, 0.16);
  --shadow-soft: 0 12px 34px rgba(95, 61, 37, 0.1);
  --radius: 8px;
  --font-body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  --font-serif: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "KaiTi",
    "Kaiti SC", serif;
  --font-mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at 76% 17%, rgba(159, 39, 38, 0.08), transparent 20rem),
    radial-gradient(circle at 18% 82%, rgba(184, 138, 75, 0.11), transparent 22rem),
    linear-gradient(115deg, #fbf4e9 0%, #f6ecdf 42%, #fffaf1 100%);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.48;
  background-image:
    linear-gradient(rgba(127, 70, 49, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 70, 49, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 22% 28%, rgba(255, 255, 255, 0.48), transparent 18rem);
  background-size: 42px 42px, 42px 42px, auto;
  mix-blend-mode: multiply;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

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

[hidden] {
  display: none !important;
}

.paipan-page {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  padding: 28px clamp(18px, 4vw, 56px) 56px;
}

.paipan-page::after {
  position: fixed;
  right: -8vw;
  bottom: -12vw;
  z-index: -2;
  width: min(760px, 58vw);
  height: min(420px, 36vw);
  pointer-events: none;
  content: "";
  opacity: 0.24;
  background:
    radial-gradient(ellipse at 18% 74%, rgba(55, 44, 34, 0.2) 0 7%, transparent 8%),
    radial-gradient(ellipse at 38% 54%, rgba(55, 44, 34, 0.16) 0 11%, transparent 12%),
    radial-gradient(ellipse at 62% 46%, rgba(55, 44, 34, 0.18) 0 15%, transparent 16%),
    linear-gradient(160deg, transparent 40%, rgba(55, 44, 34, 0.12) 41% 43%, transparent 44%),
    linear-gradient(12deg, transparent 58%, rgba(55, 44, 34, 0.1) 59% 61%, transparent 62%);
  filter: blur(0.2px);
}

.paper-ornaments {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.seal-mark {
  position: absolute;
  top: 7%;
  left: 5%;
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  border: 1px solid rgba(159, 39, 38, 0.2);
  border-radius: 50%;
  color: rgba(159, 39, 38, 0.22);
  font-family: var(--font-serif);
  font-size: 1.35rem;
}

.seal-mark::before,
.seal-mark::after {
  position: absolute;
  inset: 11px;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
}

.seal-mark::after {
  inset: 23px;
  border-radius: 3px;
  transform: rotate(45deg);
}

.trigram {
  position: absolute;
  color: rgba(127, 70, 49, 0.12);
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 1;
  transform: rotate(var(--rotate, 0deg));
}

.trigram-a {
  top: 10%;
  left: 23%;
  --rotate: -22deg;
}

.trigram-b {
  top: 7%;
  right: 14%;
  --rotate: -7deg;
}

.trigram-c {
  right: 8%;
  bottom: 48%;
  --rotate: 23deg;
}

.trigram-d {
  bottom: 22%;
  left: 18%;
  --rotate: -9deg;
}

.sun-disc,
.moon-disc {
  position: absolute;
  border-radius: 50%;
}

.sun-disc {
  top: 13%;
  right: 5%;
  width: 78px;
  height: 78px;
  background: rgba(159, 39, 38, 0.06);
}

.moon-disc {
  top: 30%;
  left: 33%;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(184, 138, 75, 0.16);
  opacity: 0.5;
}

.cloud-line {
  position: absolute;
  width: 132px;
  height: 44px;
  opacity: 0.16;
  background:
    radial-gradient(circle at 18px 28px, transparent 0 12px, rgba(127, 70, 49, 0.55) 13px 14px, transparent 15px),
    radial-gradient(circle at 54px 20px, transparent 0 14px, rgba(127, 70, 49, 0.5) 15px 16px, transparent 17px),
    linear-gradient(90deg, transparent 0 14px, rgba(127, 70, 49, 0.5) 15px 72px, transparent 73px);
}

.cloud-a {
  top: 20%;
  right: 31%;
}

.cloud-b {
  right: 7%;
  bottom: 18%;
  transform: scale(1.2) rotate(-4deg);
}

.hero {
  position: relative;
  max-width: 780px;
  margin: 0 auto 34px;
  text-align: center;
}

.home-link {
  position: absolute;
  top: 0;
  left: 0;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  border: 1px solid rgba(127, 70, 49, 0.16);
  border-radius: 999px;
  color: var(--ink-soft);
  background: rgba(255, 250, 241, 0.58);
  backdrop-filter: blur(16px);
  transition: border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.home-link:hover,
.home-link:focus-visible {
  border-color: rgba(159, 39, 38, 0.32);
  color: var(--accent-deep);
  transform: translateY(-1px);
}

.hero-kicker,
.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-kicker {
  padding-top: 18px;
  color: rgba(127, 70, 49, 0.58);
}

.hero h1 {
  margin: 10px 0 12px;
  color: var(--accent-deep);
  font-family: var(--font-serif);
  font-size: clamp(4.5rem, 12vw, 8rem);
  font-weight: 500;
  letter-spacing: 0;
  line-height: 0.92;
  text-shadow: 0 18px 36px rgba(159, 39, 38, 0.1);
}

.hero-subtitle {
  max-width: 35rem;
  margin: 0 auto 20px;
  color: var(--ink-soft);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
}

.time-display {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  letter-spacing: 0.08em;
}

.time-display::before,
.time-display::after {
  width: clamp(40px, 10vw, 118px);
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(159, 39, 38, 0.34));
}

.time-display::after {
  background: linear-gradient(90deg, rgba(159, 39, 38, 0.34), transparent);
}

.paipan-layout {
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(260px, 320px);
  gap: 22px;
  align-items: start;
  justify-content: center;
  width: min(1120px, 100%);
  margin: 0 auto;
}

.inquiry-card,
.settings-panel,
.result-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.inquiry-card {
  padding: clamp(22px, 3vw, 34px);
}

.card-heading,
.settings-top,
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-heading,
.result-head {
  justify-content: flex-start;
  margin-bottom: 24px;
}

.card-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(184, 138, 75, 0.12);
}

h2,
legend,
label,
dt {
  color: var(--ink);
}

h2 {
  margin: 4px 0 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
}

form {
  display: grid;
  gap: 22px;
}

fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.field-group {
  display: grid;
  gap: 12px;
}

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

label,
legend {
  font-size: 0.96rem;
  font-weight: 650;
}

.count {
  color: var(--muted);
  font-size: 0.82rem;
}

textarea,
input[type="date"],
input[type="time"],
input[type="text"] {
  width: 100%;
  border: 1px solid rgba(127, 70, 49, 0.18);
  border-radius: var(--radius);
  color: var(--ink);
  background: rgba(255, 253, 247, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

textarea {
  min-height: 142px;
  resize: vertical;
  padding: 16px;
  line-height: 1.7;
}

input[type="date"],
input[type="time"],
input[type="text"] {
  min-height: 48px;
  padding: 0 14px;
}

textarea::placeholder,
input::placeholder {
  color: rgba(111, 93, 80, 0.56);
}

textarea:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="text"]:focus {
  border-color: rgba(159, 39, 38, 0.58);
  background: rgba(255, 253, 247, 0.92);
  box-shadow: 0 0 0 4px rgba(159, 39, 38, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.segmented,
.chip-grid,
.option-stack {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.choice-pill,
.choice-chip,
.setting-option {
  position: relative;
  display: inline-flex;
}

.choice-pill input,
.choice-chip input,
.setting-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.choice-pill span,
.choice-chip span,
.setting-option span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid rgba(127, 70, 49, 0.18);
  border-radius: 999px;
  color: var(--ink-soft);
  background: rgba(255, 253, 247, 0.62);
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease,
    transform 0.2s ease;
}

.choice-pill span {
  min-width: 92px;
  padding: 0 22px;
}

.choice-chip span {
  min-width: 82px;
  padding: 0 18px;
}

.choice-pill input:checked + span,
.choice-chip input:checked + span,
.setting-option input:checked + span {
  border-color: rgba(159, 39, 38, 0.72);
  color: #fffaf1;
  background: linear-gradient(180deg, #ad302e, var(--accent-deep));
  box-shadow: 0 10px 20px rgba(159, 39, 38, 0.18);
}

.choice-pill input:focus-visible + span,
.choice-chip input:focus-visible + span,
.setting-option input:focus-visible + span {
  box-shadow: 0 0 0 4px rgba(159, 39, 38, 0.14);
}

.choice-pill:hover span,
.choice-chip:hover span,
.setting-option:hover span {
  transform: translateY(-1px);
  border-color: rgba(159, 39, 38, 0.36);
}

.birth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.birth-grid label {
  display: grid;
  gap: 8px;
}

.birth-grid label span {
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 500;
}

.birth-place {
  grid-column: 1 / -1;
}

.form-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 4px;
}

.primary-action,
.secondary-action,
.settings-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.primary-action {
  padding: 0 24px;
  color: #fffaf1;
  background:
    linear-gradient(90deg, rgba(255, 250, 241, 0.08), transparent 24%, transparent 76%, rgba(255, 250, 241, 0.08)),
    linear-gradient(180deg, #b12f2e, #8a2221);
  box-shadow: 0 18px 34px rgba(159, 39, 38, 0.23);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  letter-spacing: 0.18em;
}

.secondary-action {
  padding: 0 18px;
  border-color: rgba(127, 70, 49, 0.2);
  color: var(--ink-soft);
  background: rgba(255, 253, 247, 0.64);
}

.primary-action:hover,
.primary-action:focus-visible,
.secondary-action:hover,
.secondary-action:focus-visible,
.settings-toggle:hover,
.settings-toggle:focus-visible {
  transform: translateY(-2px);
}

.primary-action:focus-visible,
.secondary-action:focus-visible,
.settings-toggle:focus-visible {
  outline: 3px solid rgba(159, 39, 38, 0.2);
  outline-offset: 2px;
}

.settings-panel {
  position: sticky;
  top: 26px;
  padding: 20px;
  background: rgba(255, 250, 241, 0.74);
}

.settings-top {
  margin-bottom: 18px;
}

.settings-toggle {
  gap: 7px;
  min-height: 40px;
  padding: 0 12px;
  border-color: rgba(127, 70, 49, 0.18);
  color: var(--accent-deep);
  background: rgba(255, 253, 247, 0.72);
}

.settings-body {
  display: grid;
  gap: 18px;
}

.settings-panel.is-collapsed .settings-body {
  display: none;
}

.setting-group {
  display: grid;
  gap: 10px;
  padding-top: 15px;
  border-top: 1px solid rgba(127, 70, 49, 0.12);
}

.setting-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.setting-group legend {
  margin-bottom: 10px;
  color: var(--ink-soft);
  font-family: var(--font-serif);
  font-size: 0.98rem;
}

.option-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.option-stack.two-up {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.setting-option {
  min-width: 0;
}

.setting-option span {
  width: 100%;
  min-height: 38px;
  padding: 0 10px;
  border-radius: var(--radius);
  font-size: 0.88rem;
}

.result-panel {
  margin-top: 24px;
  padding: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-soft);
}

.result-seal {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 5px;
  color: #fffaf1;
  background: var(--accent);
  font-family: var(--font-serif);
  transform: rotate(-5deg);
}

.result-list {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.result-list div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid rgba(127, 70, 49, 0.12);
}

.result-list dt {
  color: var(--muted);
  font-size: 0.86rem;
}

.result-list dd {
  min-width: 0;
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

.result-note {
  margin: 18px 0 0;
  padding: 13px 14px;
  border: 1px solid rgba(159, 39, 38, 0.14);
  border-radius: var(--radius);
  color: var(--accent-deep);
  background: rgba(159, 39, 38, 0.06);
  line-height: 1.65;
}

@media (max-width: 980px) {
  .paipan-layout {
    grid-template-columns: minmax(0, 760px);
  }

  .settings-panel {
    position: static;
    order: 2;
  }
}

@media (max-width: 720px) {
  .paipan-page {
    overflow: visible;
    padding: 20px 14px 38px;
  }

  .home-link {
    position: static;
    margin-bottom: 14px;
  }

  .hero {
    margin-bottom: 24px;
  }

  .hero-kicker {
    padding-top: 0;
  }

  .time-display {
    letter-spacing: 0.03em;
  }

  .time-display::before,
  .time-display::after {
    width: 24px;
  }

  .inquiry-card,
  .settings-panel,
  .result-panel {
    border-radius: 7px;
  }

  .card-heading,
  .settings-top,
  .result-head {
    align-items: flex-start;
  }

  .birth-grid,
  .form-actions,
  .result-list div {
    grid-template-columns: 1fr;
  }

  .secondary-action {
    width: 100%;
  }

  .choice-pill span,
  .choice-chip span {
    min-width: 0;
    padding: 0 16px;
  }

  .chip-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .chip-grid .choice-chip,
  .chip-grid .choice-chip span {
    width: 100%;
  }

  .option-stack {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 460px) {
  .hero h1 {
    font-size: 4rem;
  }

  .hero-subtitle {
    font-size: 0.96rem;
  }

  .inquiry-card,
  .settings-panel {
    padding: 18px;
  }

  .chip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .segmented {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .segmented .choice-pill,
  .segmented .choice-pill span {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
  }
}