/* Saju Engine — Phase 3 design system (local, no paid assets) */
:root {
  --bg: #f6f1e8;
  --bg-card: #fffcf7;
  --ink: #1c1917;
  --muted: #78716c;
  --line: #e7e0d5;
  --accent: #9a3412;
  --accent-soft: #ffedd5;
  --trust: #0f766e;
  --trust-soft: #ccfbf1;
  --warn: #b45309;
  --warn-soft: #fef3c7;
  --ok: #166534;
  --ok-soft: #dcfce7;
  --shadow: 0 10px 40px rgba(28, 25, 23, 0.08);
  --radius: 16px;
  --font: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR",
    system-ui, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "Consolas", monospace;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #ffedd5 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #ccfbf1 0%, transparent 45%),
    var(--bg);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrap {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.75rem 0 3.5rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  padding-bottom: max(3.5rem, env(safe-area-inset-bottom));
}

/* Desktop: more room, no sticky CTA clutter */
@media (min-width: 900px) {
  .wrap {
    width: min(1040px, calc(100% - 3rem));
    padding-top: 2.25rem;
  }
  .site-header {
    align-items: center;
  }
  .brand p {
    max-width: 42rem;
  }
}

.shortcut-details {
  margin: 0 0 1rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 0.35rem 0.9rem 0.5rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.shortcut-details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
  padding: 0.45rem 0;
  list-style-position: outside;
}
.shortcut-body {
  padding: 0 0 0.65rem;
}
.shortcut-body p {
  margin: 0 0 0.5rem;
  line-height: 1.5;
}

/* Sticky primary action — phones only (not PC) */
@media (max-width: 640px) {
  .btn-primary {
    position: sticky;
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    z-index: 5;
  }
  .wrap {
    width: calc(100% - 1.25rem);
  }
  .card {
    padding: 1rem 1rem;
  }
  /* Prefer 16px+ inputs to avoid iOS zoom */
  .field input,
  .field select {
    font-size: 16px;
    min-height: 2.75rem;
  }
  .chip {
    min-height: 2.25rem;
    padding: 0.45rem 0.85rem;
  }
}

/* Tablet middle ground */
@media (min-width: 641px) and (max-width: 899px) {
  .grid-5 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.15rem;
}

.brand-mark span.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  max-width: 36rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.badge-ink {
  background: #1c1917;
  color: #fafaf9;
}
.badge-trust {
  background: var(--trust-soft);
  color: var(--trust);
  border-color: #99f6e4;
}
.badge-warn {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: #fde68a;
}
.badge-muted {
  background: #f5f5f4;
  color: var(--muted);
  border-color: var(--line);
}
.badge-ok {
  background: var(--ok-soft);
  color: var(--ok);
  border-color: #bbf7d0;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
}

.card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.card .sub {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.alert {
  padding: 0.85rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}
.alert-error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}
.alert-info {
  background: var(--trust-soft);
  color: #115e59;
  border: 1px solid #99f6e4;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}
.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.65rem;
}

@media (max-width: 720px) {
  .grid-2,
  .grid-3,
  .grid-5 {
    grid-template-columns: 1fr 1fr;
  }
  .grid-5 .full-m {
    grid-column: 1 / -1;
  }
}

@media (max-width: 420px) {
  .grid-2,
  .grid-3,
  .grid-5 {
    grid-template-columns: 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}
.field input,
.field select {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font: inherit;
  color: var(--ink);
}
.field input:focus,
.field select:focus {
  outline: 2px solid #fdba74;
  border-color: #fb923c;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.5rem 0 0.25rem;
}
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
}
.chip:hover {
  border-color: #fdba74;
  background: var(--accent-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: none;
  border-radius: 12px;
  padding: 0.85rem 1.2rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.08s ease, opacity 0.15s ease;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  width: 100%;
  margin-top: 0.5rem;
  background: linear-gradient(135deg, #9a3412, #c2410c);
  color: #fff;
  box-shadow: 0 8px 20px rgba(154, 52, 18, 0.25);
}
.btn-primary:hover {
  opacity: 0.95;
}
.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.55rem 0.9rem;
  font-size: 0.88rem;
}

.section-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 1.5rem 0 0.75rem;
}
.section-title h2 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}
.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

/* Four pillars hero */
.pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
@media (max-width: 640px) {
  .pillars {
    grid-template-columns: repeat(2, 1fr);
  }
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1rem 0.75rem 1.1rem;
  text-align: center;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, #9a3412, #0f766e);
}
.pillar-card .role {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.pillar-card .ganzhi {
  margin: 0.45rem 0 0.35rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.pillar-card .hanja {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.55rem;
}
.pillar-card .meta-line {
  font-size: 0.68rem;
  color: var(--muted);
  word-break: break-all;
  line-height: 1.35;
}

.kv {
  display: grid;
  grid-template-columns: minmax(5.5rem, 7.5rem) 1fr;
  gap: 0.35rem 0.75rem;
  font-size: 0.92rem;
}
.kv dt {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}
.kv dd {
  margin: 0;
  overflow-wrap: anywhere;
}
@media (max-width: 480px) {
  .kv {
    grid-template-columns: 1fr;
    gap: 0.15rem 0;
  }
  .kv dt {
    margin-top: 0.45rem;
  }
  .kv dt:first-child {
    margin-top: 0;
  }
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.tl-item {
  display: grid;
  grid-template-columns: 7.5rem 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-size: 0.9rem;
}
.tl-item .age {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.tl-item .label {
  font-weight: 800;
  letter-spacing: 0.06em;
}
.tl-item .tag {
  font-size: 0.75rem;
  color: var(--trust);
  font-weight: 600;
}
@media (max-width: 560px) {
  .tl-item {
    grid-template-columns: 1fr;
  }
}

.details {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 0.2rem 0.9rem;
}
.details summary {
  cursor: pointer;
  padding: 0.75rem 0;
  font-weight: 700;
  font-size: 0.92rem;
}
.details .body {
  padding: 0 0 0.9rem;
  color: var(--muted);
  font-size: 0.88rem;
}
code {
  font-family: var(--mono);
  font-size: 0.82em;
  background: #f5f5f4;
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
}

.footer-note {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: center;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}