:root {
  color-scheme: light;
  --ink: #2a1505;
  --ink-soft: #4a2a14;
  --muted: #8a6448;
  --paper: #fff4e6;
  --paper-strong: #fffaf0;
  --paper-warm: #f8e4cd;
  --orange: #d2691e;
  --orange-deep: #b8541a;
  --orange-soft: #f7d0a3;
  --brown: #6b3410;
  --brown-deep: #4a2208;
  --brown-soft: #c89a78;
  --red: #b22222;
  --red-deep: #8b1a1a;
  --red-soft: #f0c4c0;
  --gold: #c8881e;
  --gold-soft: #f4d8a8;
  --green-good: #2e7d32;
  --line: rgba(74, 42, 20, 0.18);
  --shadow: 0 24px 70px rgba(74, 42, 20, 0.22);
  --shadow-soft: 0 12px 36px rgba(178, 34, 34, 0.12);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Sarabun", "Noto Sans Thai", "Noto Serif SC", "Tahoma", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(210, 105, 30, 0.34), transparent 30rem),
    radial-gradient(circle at 88% 18%, rgba(178, 34, 34, 0.26), transparent 32rem),
    radial-gradient(circle at 50% 100%, rgba(107, 52, 16, 0.22), transparent 36rem),
    linear-gradient(135deg, #fdebd1 0%, #f6cba2 50%, #e8a878 100%);
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

/* TOPBAR */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  background: linear-gradient(135deg, rgba(74,34,8,0.94), rgba(139,26,26,0.92));
  color: #fff7e6;
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 6px 22px rgba(74,34,8,0.32);
  flex-wrap: wrap;
  gap: 12px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-zh {
  font-size: 2.4rem; font-weight: 900; letter-spacing: -2px;
  color: var(--gold-soft);
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
  font-family: "Noto Serif SC", "Songti SC", serif;
}
.brand-meta { display: flex; flex-direction: column; line-height: 1.1; }
.brand-meta strong { font-size: 1.05rem; letter-spacing: 1px; }
.brand-meta small { color: rgba(255,247,230,0.78); font-size: 0.82rem; }
.topbar-right { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; justify-content: flex-end; }

/* MODE SWITCH (H1#7) */
.mode-switch {
  display: inline-flex;
  background: rgba(244,216,168,0.15);
  border: 1px solid rgba(244,216,168,0.45);
  border-radius: 999px;
  padding: 3px;
}
.mode-btn {
  border: none;
  padding: 6px 14px;
  border-radius: 999px;
  background: transparent;
  color: rgba(255,247,230,0.78);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all .18s ease;
}
.mode-btn.active { background: var(--gold); color: var(--brown-deep); }

.chip {
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(244,216,168,0.18);
  border: 1px solid rgba(244,216,168,0.5);
  color: #fff7e6;
  font-size: 0.82rem;
  font-weight: 600;
}

/* TABS */
.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 28px 0;
  background: linear-gradient(180deg, rgba(74,34,8,0.04), transparent);
  flex-wrap: wrap;
}
.tab {
  padding: 12px 22px;
  border: none;
  border-radius: 14px 14px 0 0;
  background: rgba(255,244,230,0.55);
  color: var(--brown);
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 3px solid transparent;
  transition: all .18s ease;
}
.tab:hover { background: rgba(255,250,240,0.85); }
.tab.active {
  background: rgba(255,250,240,0.95);
  color: var(--red-deep);
  border-bottom-color: var(--red);
  box-shadow: 0 -4px 16px rgba(178,34,34,0.18);
}

.container { max-width: 1180px; margin: 0 auto; padding: 0 28px 48px; }

.panel {
  display: none;
  padding: 28px;
  background: rgba(255,250,240,0.92);
  border: 1px solid rgba(255,240,220,0.7);
  border-radius: 0 var(--radius-md) var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}
.panel.active { display: block; }
.panel h2 { margin: 0 0 6px; color: var(--brown-deep); font-size: 1.55rem; letter-spacing: -0.02em; }
.muted { color: var(--muted); margin: 0 0 18px; }

/* FORM */
.form { display: grid; gap: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row .grow { flex: 1; min-width: 200px; }

label {
  display: grid;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--brown);
}
input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--brown-soft);
  border-radius: var(--radius-sm);
  background: rgba(255,250,240,0.92);
  color: var(--ink);
  font-weight: 500;
}
textarea { resize: vertical; min-height: 70px; font-family: inherit; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(178,34,34,0.18);
}

.btn {
  padding: 12px 26px;
  border: none;
  border-radius: 999px;
  font-weight: 800;
  font-size: 1rem;
  transition: transform .15s ease, box-shadow .15s ease;
  align-self: start;
}
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--red) 0%, var(--orange-deep) 100%);
  box-shadow: 0 8px 22px rgba(178,34,34,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(178,34,34,0.45); }
.btn-primary:disabled { opacity: 0.6; cursor: wait; transform: none; }

.result-area { margin-top: 22px; display: grid; gap: 14px; }

/* SCROLL CARD */
.scroll-card {
  position: relative;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  border: 2px solid var(--brown-soft);
  background:
    linear-gradient(135deg, rgba(255,250,240,0.95), rgba(247,208,163,0.5)),
    repeating-linear-gradient(0deg, rgba(107,52,16,0.04) 0 1px, transparent 1px 22px);
  box-shadow: var(--shadow-soft);
  white-space: pre-wrap;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--ink-soft);
}
.scroll-card::before, .scroll-card::after {
  content: ""; position: absolute; left: 0; right: 0; height: 8px;
  background: linear-gradient(90deg, transparent, var(--brown), transparent);
}
.scroll-card::before { top: 0; border-radius: var(--radius-md) var(--radius-md) 0 0; }
.scroll-card::after { bottom: 0; border-radius: 0 0 var(--radius-md) var(--radius-md); }

.seal {
  position: absolute; top: 18px; right: 18px;
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--red); color: var(--gold-soft);
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-size: 1.6rem; font-weight: 900;
  border-radius: 8px;
  transform: rotate(-6deg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
  border: 3px double rgba(244,216,168,0.4);
}

/* SLOT CARDS */
.slot-card {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255,250,240,0.95), rgba(247,208,163,0.45));
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: center;
  transition: transform .15s ease;
}
.slot-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.slot-rank {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red-deep), var(--red));
  color: white; font-weight: 900;
}
.slot-body strong { color: var(--brown-deep); font-size: 1.05rem; }
.slot-body small { color: var(--muted); display: block; margin-top: 2px; }
.slot-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.slot-tag {
  padding: 4px 10px; border-radius: 999px;
  background: rgba(178,34,34,0.12);
  color: var(--red-deep);
  font-size: 0.78rem; font-weight: 700;
}
.slot-score { text-align: right; font-weight: 900; font-size: 1.8rem; color: var(--red-deep); line-height: 1; }
.slot-score small { display:block; font-size: 0.7rem; color: var(--muted); font-weight: 500; }

.slot-detail {
  background: rgba(255,250,240,0.7);
  border-left: 3px solid var(--orange);
  padding: 12px 16px;
  margin-top: 10px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.slot-detail b { color: var(--brown-deep); }

/* PALACE SECTION */
.palace-section {
  padding: 24px;
  background: rgba(255,250,240,0.92);
  border: 1px solid rgba(255,240,220,0.7);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 10px;
}
.section-heading h3 { margin: 0; color: var(--brown-deep); font-size: 1.25rem; }
.zh-small { color: var(--red-deep); font-family: "Noto Serif SC", serif; }

/* LAYER TOGGLE (H1#8) */
.layer-toggle {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  align-items: center;
  padding: 10px 14px;
  background: rgba(247,208,163,0.32);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--brown-soft);
}
.layer-label { font-size: 0.85rem; font-weight: 700; color: var(--brown-deep); margin-right: 6px; }
.layer-btn {
  padding: 6px 14px;
  border: 1px solid var(--brown-soft);
  border-radius: 999px;
  background: rgba(255,250,240,0.85);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all .15s ease;
}
.layer-btn.active {
  background: var(--brown-deep);
  color: var(--gold-soft);
  border-color: var(--brown-deep);
}

.palace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.palace {
  position: relative;
  aspect-ratio: 1.05;
  padding: 12px;
  border: 2px solid var(--brown-soft);
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(255,250,240,0.92), rgba(247,208,163,0.4)),
    radial-gradient(circle at 80% 15%, rgba(210,105,30,0.18), transparent 60%);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 4px;
  font-size: 0.78rem;
  overflow: hidden;
  transition: transform .15s ease;
  cursor: pointer;
}
.palace:hover { transform: translateY(-2px); border-color: var(--red); }
.palace:focus { outline: 3px solid var(--red); outline-offset: 2px; }

.palace.me {
  border-color: var(--red);
  background:
    linear-gradient(135deg, rgba(247,208,163,0.85), rgba(255,250,240,0.92)),
    radial-gradient(circle at 80% 15%, rgba(178,34,34,0.28), transparent 60%);
  box-shadow: 0 8px 22px rgba(178,34,34,0.22);
}
.palace.opponent { border-color: var(--brown); background: linear-gradient(135deg, rgba(200,154,120,0.55), rgba(247,208,163,0.5)); }
.palace.best {
  border-color: var(--gold);
  border-width: 3px;
  box-shadow: 0 0 0 3px rgba(200,136,30,0.22), 0 8px 22px rgba(200,136,30,0.28);
}

/* H1#12 — Risk highlight strong */
.palace.danger {
  border-color: var(--red-deep);
  border-width: 3px;
  background: linear-gradient(135deg, rgba(240,196,192,0.7), rgba(247,208,163,0.4));
  animation: pulseDanger 2.5s ease-in-out infinite;
}
@keyframes pulseDanger {
  0%,100% { box-shadow: 0 0 0 0 rgba(178,34,34,0.4); }
  50%     { box-shadow: 0 0 0 6px rgba(178,34,34,0); }
}

.palace.formation { /* Auspicious formation present */
  background: linear-gradient(135deg, rgba(244,216,168,0.85), rgba(255,250,240,0.92));
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(200,136,30,0.18);
}

.p-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 800;
  color: var(--brown-deep);
}
.p-head .p-zh { font-family: "Noto Serif SC", serif; color: var(--red-deep); font-size: 1.15rem; }
.p-head .p-dir { font-size: 0.7rem; color: var(--muted); }

.p-rows { display: grid; gap: 2px; }
.p-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed rgba(107,52,16,0.18);
  padding: 2px 0;
  color: var(--muted);
  font-weight: 600;
  transition: opacity .15s ease;
}
.p-row b { color: var(--brown-deep); font-weight: 700; }
.p-row.bad b { color: var(--red-deep); }
.p-row.good b { color: var(--green-good); }

.p-row.hidden { display: none; }

.p-flags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.p-flag {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--red);
  color: white;
  font-weight: 700;
}
.p-flag.void { background: var(--brown); }
.p-flag.horse { background: var(--gold); }
.p-flag.formation-tag { background: var(--green-good); }

/* Beginner mode: simplified */
body.mode-beginner .palace .p-row[data-layer-key] {
  font-size: 0.74rem;
}
body.mode-beginner .palace .p-row[data-layer-key="gan"],
body.mode-beginner .palace .p-row[data-layer-key="xing"] { display: none; }
body.mode-beginner .palace .p-quality-tag { display: inline-flex; }
body.mode-pro .palace .p-quality-tag { display: none; }

.p-quality-tag {
  display: none;
  margin-top: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
}
.p-quality-tag.q-great { background: var(--green-good); color: white; }
.p-quality-tag.q-good { background: var(--gold); color: var(--brown-deep); }
.p-quality-tag.q-neutral { background: var(--brown-soft); color: white; }
.p-quality-tag.q-bad { background: var(--orange-deep); color: white; }
.p-quality-tag.q-severe { background: var(--red-deep); color: var(--gold-soft); }

/* META */
.metadata-strip {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin-top: 16px; padding-top: 14px;
  border-top: 1px dashed var(--brown-soft);
}
.meta-pill {
  padding: 5px 12px;
  background: rgba(178,34,34,0.10);
  border: 1px solid rgba(178,34,34,0.25);
  border-radius: 999px;
  font-size: 0.8rem; color: var(--brown-deep); font-weight: 600;
}
.meta-pill b { color: var(--red-deep); }

/* WARNINGS STRIP (H1#12) */
.warnings-strip { display: grid; gap: 8px; margin-top: 12px; }
.warning-card {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.warning-card.danger { background: var(--red-soft); color: var(--red-deep); border-left: 4px solid var(--red); }
.warning-card.formation { background: rgba(244,216,168,0.55); color: var(--brown-deep); border-left: 4px solid var(--gold); }
.warning-card .ico { font-size: 1.2rem; }

/* SCORE MATRIX (H1#10) */
.score-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  margin-top: 12px;
}
.score-matrix th, .score-matrix td {
  padding: 8px 10px;
  text-align: center;
  border: 1px solid var(--brown-soft);
}
.score-matrix thead th {
  background: var(--brown-deep);
  color: var(--gold-soft);
  font-size: 0.78rem;
  font-weight: 800;
}
.score-matrix tbody th {
  background: rgba(247,208,163,0.5);
  color: var(--brown-deep);
  font-weight: 700;
  text-align: left;
  font-size: 0.85rem;
}
.score-matrix .sc { font-weight: 800; }
.score-matrix .sc.pos { color: var(--green-good); background: rgba(46,125,50,0.08); }
.score-matrix .sc.neg { color: var(--red-deep); background: rgba(178,34,34,0.08); }
.score-matrix .sc.zero { color: var(--muted); }
.score-matrix .sc.best { background: var(--gold); color: var(--brown-deep); }

/* BOTTOM SHEET (H1#9) */
.sheet-backdrop {
  position: fixed; inset: 0;
  background: rgba(74,34,8,0.5);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  z-index: 1000;
}
.sheet-backdrop.open { opacity: 1; pointer-events: auto; }

.sheet {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 100%);
  width: min(720px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--paper-strong);
  border: 1px solid var(--brown-soft);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  padding: 24px 28px 32px;
  box-shadow: 0 -16px 60px rgba(74,34,8,0.32);
  transition: transform .3s cubic-bezier(.2,.8,.2,1);
  z-index: 1001;
}
.sheet.open { transform: translate(-50%, 0); }
.sheet-close {
  position: absolute;
  top: 12px; right: 14px;
  width: 38px; height: 38px;
  border: none;
  border-radius: 999px;
  background: var(--red);
  color: white;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
}
.sheet h3 {
  margin: 0 0 4px;
  color: var(--brown-deep);
  font-size: 1.4rem;
}
.sheet h3 .zh { color: var(--red-deep); font-family: "Noto Serif SC", serif; margin-right: 8px; }
.sheet .sheet-meta { color: var(--muted); font-size: 0.88rem; margin-bottom: 16px; }
.sheet-section {
  margin-top: 14px;
  padding: 12px 16px;
  background: rgba(247,208,163,0.32);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--orange);
}
.sheet-section h4 { margin: 0 0 6px; color: var(--brown-deep); font-size: 0.95rem; }
.sheet-section p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; line-height: 1.55; }
.sheet-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin: 14px 0;
}
.sheet-cell {
  padding: 10px 14px;
  background: rgba(255,250,240,0.85);
  border: 1px solid var(--brown-soft);
  border-radius: var(--radius-sm);
}
.sheet-cell small { color: var(--muted); font-weight: 700; font-size: 0.72rem; display: block; margin-bottom: 2px; }
.sheet-cell strong { color: var(--brown-deep); font-size: 1.05rem; }
.sheet-cell .zh { color: var(--red-deep); font-family: "Noto Serif SC", serif; margin-right: 6px; }

.footnote { margin-top: 22px; text-align: center; color: var(--muted); font-size: 0.82rem; }
.footnote code { background: rgba(178,34,34,0.10); padding: 2px 8px; border-radius: 6px; color: var(--red-deep); }

/* ALERTS */
.alert { padding: 14px 18px; border-radius: var(--radius-sm); font-weight: 600; }
.alert-error { background: var(--red-soft); color: var(--red-deep); border: 1px solid var(--red); }
.alert-info { background: rgba(244,216,168,0.5); color: var(--brown-deep); border: 1px solid var(--brown-soft); }

@media (max-width: 740px) {
  .topbar { flex-direction: column; gap: 10px; align-items: flex-start; padding: 14px 18px; }
  .container { padding: 0 14px 36px; }
  .panel { padding: 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) var(--radius-sm); }
  .tab { padding: 10px 14px; font-size: 0.85rem; }
  .palace { font-size: 0.7rem; padding: 8px; }
  .p-head .p-zh { font-size: 0.95rem; }
  .slot-card { grid-template-columns: auto 1fr; }
  .slot-score { grid-column: 1 / -1; text-align: left; font-size: 1.4rem; }
  .score-matrix { font-size: 0.72rem; }
  .score-matrix th, .score-matrix td { padding: 5px 4px; }
  .sheet-grid { grid-template-columns: 1fr; }
}