/* ─── Reset ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #3ddc84;
  --green-light: #6fffa9;
  --green-dim: rgba(61,220,132,.12);
  --bg: #050a07;
  --bg-card: rgba(7,16,10,.97);
  --bg-hover: rgba(61,220,132,.07);
  --text: #dff0e8;
  --text-dim: rgba(180,210,195,.7);
  --muted: rgba(160,200,178,0.48);
  --border: rgba(255,255,255,0.055);
  --border-green: rgba(61,220,132,.28);
  --red: #ff625e;
  --gold: #ffc94d;
  --logo-divider: rgba(223,240,232,.55);
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 20px 56px rgba(0,0,0,.55);
  --logo-shell: #181818;
  --dot-color: rgba(255,255,255,.065);
  --header-bg: rgba(5,10,7,.94);
  --nav-bg: rgba(5,10,7,.9);
  --puzzle-bg: rgba(5,10,7,.85);
  --control-bg: rgba(6,14,9,.9);
  --overlay-bg: rgba(5,10,7,.72);
  --input-bg: rgba(255,255,255,.05);
  --input-border: rgba(255,255,255,.1);
  --btn-ghost-bg: rgba(255,255,255,.045);
  --btn-ghost-border: rgba(255,255,255,.09);
  --panel-soft: rgba(255,255,255,.03);
  --panel-subtle: rgba(255,255,255,.02);
  --cell-border: rgba(255,255,255,.06);
  --cell-text: rgba(220,240,230,.55);
  --pill-idle-bg: rgba(255,255,255,.05);
  --pill-idle-border: rgba(255,255,255,.09);
  --head-ring: rgba(255,255,255,.12);
  --head-glow: rgba(255,255,255,.5);
  --chart-line: #3ddc84;
  --chart-glow: rgba(61,220,132,.55);
  --chart-fill-top: rgba(61,220,132,.1);
  --chart-fill-mid: rgba(61,220,132,.02);
  --chart-fill-bottom: rgba(61,220,132,0);
  --theme-meta: rgba(160,200,178,.78);
}

:root[data-theme="light"] {
  --green: #169b52;
  --green-light: #0f7f45;
  --green-dim: rgba(22,155,82,.12);
  --bg: #f4f8f4;
  --bg-card: rgba(255,255,255,.94);
  --bg-hover: rgba(22,155,82,.08);
  --text: #13251a;
  --text-dim: rgba(19,37,26,.78);
  --muted: rgba(44,79,58,.62);
  --border: rgba(16,46,29,.12);
  --border-green: rgba(22,155,82,.22);
  --red: #cc403b;
  --gold: #a87400;
  --logo-divider: rgba(44,79,58,.44);
  --shadow: 0 22px 50px rgba(27,58,40,.12);
  --logo-shell: #edf3ee;
  --dot-color: rgba(16,46,29,.08);
  --header-bg: rgba(244,248,244,.9);
  --nav-bg: rgba(247,250,247,.92);
  --puzzle-bg: rgba(249,252,249,.94);
  --control-bg: rgba(255,255,255,.92);
  --overlay-bg: rgba(244,248,244,.78);
  --input-bg: rgba(16,46,29,.03);
  --input-border: rgba(16,46,29,.12);
  --btn-ghost-bg: rgba(16,46,29,.04);
  --btn-ghost-border: rgba(16,46,29,.12);
  --panel-soft: rgba(16,46,29,.04);
  --panel-subtle: rgba(16,46,29,.03);
  --cell-border: rgba(16,46,29,.1);
  --cell-text: rgba(19,37,26,.62);
  --pill-idle-bg: rgba(16,46,29,.04);
  --pill-idle-border: rgba(16,46,29,.1);
  --head-ring: rgba(16,46,29,.14);
  --head-glow: rgba(16,46,29,.35);
  --chart-line: #169b52;
  --chart-glow: rgba(22,155,82,.2);
  --chart-fill-top: rgba(22,155,82,.14);
  --chart-fill-mid: rgba(22,155,82,.04);
  --chart-fill-bottom: rgba(22,155,82,0);
  --theme-meta: rgba(44,79,58,.78);
}

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: var(--bg);
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  color: var(--text);
}

/* dot grid bg */
body::before {
  content: ''; position: fixed; inset: 0; z-index: 0;
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
  background-size: 30px 30px; pointer-events: none;
}

/* ─── Scrollbar ──────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(61,220,132,.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(61,220,132,.4); }

/* ─── Auth Screen ────────────────────────────────────────────────── */
#auth-screen {
  position: fixed; inset: 0; z-index: 100;
  display: none; align-items: center; justify-content: center;
  background: var(--bg);
  flex-direction: column;
}

.auth-wrapper {
  display: flex; flex-direction: column; align-items: center;
  gap: 28px; width: 100%; max-width: 400px; padding: 20px;
}

.auth-card {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: 20px;
  padding: 32px 28px;
  box-shadow: var(--shadow), 0 0 80px rgba(61,220,132,.05);
  animation: authIn .4s cubic-bezier(.34,1.56,.64,1);
}

@keyframes authIn {
  from { opacity: 0; transform: scale(.92) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.auth-header {
  text-align: center; margin-bottom: 24px;
}

.auth-title {
  font-size: 1.8rem; font-weight: 800;
  color: var(--text); letter-spacing: -.03em;
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: .82rem; color: var(--muted);
}

.auth-helper-copy {
  margin-bottom: 18px;
  color: var(--text-dim);
  font-size: .84rem;
  line-height: 1.5;
  text-align: center;
}

.auth-tabs {
  display: flex; gap: 0; margin-bottom: 20px;
  background: var(--panel-soft);
  border-radius: 10px; padding: 3px;
  border: 1px solid var(--border);
}

.auth-tab {
  flex: 1; padding: 8px; border: none; background: none;
  font-family: 'Inter', sans-serif; font-size: .78rem;
  font-weight: 600; color: var(--muted);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: all .2s;
}

.auth-tab.active {
  background: var(--green-dim);
  color: var(--green);
}

.auth-tab:hover:not(.active) {
  color: var(--text);
}

.auth-form { display: flex; flex-direction: column; gap: 14px; }

.auth-field label {
  display: block; font-size: .68rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: .1em; margin-bottom: 6px;
}

.auth-field input {
  width: 100%; padding: 10px 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-family: 'Inter', sans-serif;
  font-size: .88rem; outline: none;
  transition: border-color .2s;
}

.auth-field input:focus {
  border-color: rgba(61,220,132,.45);
}

.auth-field input::placeholder {
  color: rgba(160,200,178,.3);
}

.auth-error {
  padding: 10px 12px; border-radius: var(--radius-sm);
  background: rgba(255,98,94,.08); border: 1px solid rgba(255,98,94,.25);
  color: var(--red); font-size: .78rem; font-weight: 500;
}

.auth-success {
  padding: 10px 12px; border-radius: var(--radius-sm);
  background: rgba(61,220,132,.08); border: 1px solid rgba(61,220,132,.25);
  color: var(--green); font-size: .78rem; font-weight: 500;
}

.auth-submit {
  width: 100%; padding: 12px;
  background: linear-gradient(135deg, #3ddc84, #1fb862);
  color: #061208; border: none;
  border-radius: 10px; font-family: 'Inter', sans-serif;
  font-size: .88rem; font-weight: 700;
  cursor: pointer; transition: transform .12s, box-shadow .12s;
  box-shadow: 0 8px 22px rgba(61,220,132,.28);
  display: flex; align-items: center; justify-content: center;
  gap: 8px;
}

.auth-submit:hover:not(:disabled) { transform: translateY(-1px); }
.auth-submit:disabled { opacity: .5; cursor: default; }

.spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(6,18,8,.3);
  border-top-color: #061208;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Google OAuth button */
.auth-google-btn {
  width: 100%; padding: 11px 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 10px;
  font-family: 'Inter', sans-serif;
  font-size: .84rem; font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px;
  transition: all .2s;
  margin-bottom: 0;
}
.auth-google-btn:hover:not(:disabled) {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.2);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0,0,0,.3);
}
.auth-google-btn:disabled {
  opacity: .5; cursor: default;
}
.google-icon { flex-shrink: 0; }

/* Divider */
.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 18px 0;
}
.auth-divider-line {
  flex: 1; height: 1px;
  background: var(--border);
}
.auth-divider-text {
  font-size: .68rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: .12em;
}

.auth-footer {
  margin-top: 16px; text-align: center;
}

.auth-footer-text {
  font-size: .78rem; color: var(--muted);
}

.auth-footer-text a {
  color: var(--green); text-decoration: none; font-weight: 600;
}

.auth-footer-text a:hover { text-decoration: underline; }

.auth-features {
  display: flex; gap: 20px; flex-wrap: wrap; justify-content: center;
}

.auth-feature {
  display: flex; align-items: center; gap: 6px;
  font-size: .78rem; color: var(--text-dim);
  padding: 8px 14px;
  background: var(--panel-subtle);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.feature-icon { font-size: 1rem; }

/* ─── App Screen ─────────────────────────────────────────────────── */
#app-screen {
  display: none;
  flex-direction: column;
  width: 100%; height: 100%;
  position: relative; z-index: 1;
}

/* ─── Header ─────────────────────────────────────────────────────── */
#header {
  position: relative; z-index: 30;
  height: 50px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: var(--header-bg); backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.logo,
.eo-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo {
  min-width: 0;
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
  cursor: pointer;
  text-align: left;
}

.logo:focus-visible {
  outline: 2px solid var(--border-green);
  outline-offset: 4px;
  border-radius: 16px;
}

.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--logo-shell);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 6px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
  cursor: pointer;
  flex-shrink: 0;
}
.linedle-arrows .arrow-up,
.linedle-arrows .arrow-down {
  transition: transform 0.3s cubic-bezier(.34,1.56,.64,1), filter 0.3s ease;
}
.linedle-arrows .logo-divider {
  stroke: var(--logo-divider);
}
.logo-icon svg {
  display: block;
}
.logo:hover .linedle-arrows .arrow-up,
.logo-icon:hover .linedle-arrows .arrow-up {
  transform: translateY(-4px);
  filter: drop-shadow(0 0 8px rgba(61,220,132,.85)) drop-shadow(0 0 16px rgba(61,220,132,.4));
}
.logo:hover .linedle-arrows .arrow-down,
.logo-icon:hover .linedle-arrows .arrow-down {
  transform: translateY(4px);
  filter: drop-shadow(0 0 8px rgba(255,80,80,.85)) drop-shadow(0 0 16px rgba(255,80,80,.4));
}
.logo-name {
  font-size: 1.15rem; font-weight: 800;
  color: var(--text); letter-spacing: -.04em;
  line-height: 1;
  transform: translateY(1px);
}

.auth-logo-icon {
  margin: 0 auto 12px auto;
  width: fit-content;
}

.auth-header .logo-icon {
  border-radius: 16px;
  padding: 8px;
  margin: 0 auto;
  width: fit-content;
}

.auth-header .logo-icon svg {
  width: 64px;
  height: 64px;
}

.auth-title,
.logo-name,
.eo-logo-name {
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.04em;
  line-height: .94;
}

.eo-logo {
  justify-content: center;
  margin-bottom: 14px;
}

.eo-logo .logo-icon {
  border-radius: 12px;
  padding: 5px;
}

.eo-logo .logo-icon svg {
  width: 28px;
  height: 28px;
}

.hdr-right { display: flex; align-items: center; gap: 12px; }

.hdr-stats { display: flex; gap: 16px; }
.hdr-stat { text-align: right; }
.hdr-stat-lbl {
  display: block; font-size: .52rem; color: var(--muted);
  text-transform: uppercase; letter-spacing: .12em;
}
.hdr-stat-val {
  font-size: .82rem; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.hdr-stat-val.pos { color: var(--green); }
.hdr-stat-val.neg { color: var(--red); }

/* User menu */
.user-menu { position: relative; }

#user-menu-btn {
  padding: 5px 10px; border: 1px solid var(--border);
  background: var(--btn-ghost-bg); color: var(--green);
  border-radius: var(--radius-sm); font-family: 'Inter', sans-serif;
  font-size: .72rem; font-weight: 600; cursor: pointer;
  transition: all .15s;
}
#user-menu-btn:hover {
  background: var(--green-dim); border-color: var(--border-green);
}

.user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  min-width: 160px; padding: 6px;
  background: var(--bg-card); border: 1px solid var(--border-green);
  border-radius: 12px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none;
  transform: translateY(-6px);
  transition: all .15s;
  z-index: 50;
}
.user-dropdown.show {
  opacity: 1; pointer-events: all;
  transform: translateY(0);
}

.dropdown-item {
  display: block; width: 100%;
  padding: 8px 12px; border: none;
  background: none; color: var(--text-dim);
  font-family: 'Inter', sans-serif; font-size: .78rem;
  text-align: left; cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all .12s;
}
.dropdown-item:hover {
  background: var(--green-dim); color: var(--green);
}
.dropdown-item.danger:hover {
  background: rgba(255,98,94,.08); color: var(--red);
}

.dropdown-section {
  padding: 4px 0 6px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}

.dropdown-label {
  display: block;
  padding: 4px 12px 6px;
  font-size: .58rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .12em;
}

.seg-toggle {
  position: relative;
  width: 100%;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-soft);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  padding: 3px;
  cursor: pointer;
  overflow: hidden;
  transition: border-color .16s ease, background .16s ease, transform .14s ease;
}

.seg-toggle:hover {
  border-color: var(--border-green);
  background: var(--green-dim);
}

.seg-toggle:active {
  transform: translateY(1px);
}

.seg-toggle-option {
  position: relative;
  z-index: 2;
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  color: var(--muted);
  transition: color .16s ease;
}

.seg-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: calc(50% - 3px);
  height: calc(100% - 6px);
  border-radius: 999px;
  background: rgba(61,220,132,.2);
  border: 1px solid var(--border-green);
  box-shadow: 0 8px 18px rgba(0,0,0,.18);
  transform: translateX(0);
  transition: transform .2s cubic-bezier(.34,1.56,.64,1), background .16s ease;
}

.seg-toggle[data-side="right"] .seg-toggle-thumb {
  transform: translateX(100%);
}

.seg-toggle[data-side="left"] .seg-left,
.seg-toggle[data-side="right"] .seg-right {
  color: var(--green);
}

.seg-toggle[data-side="right"] .seg-toggle-thumb {
  background: rgba(61,220,132,.24);
}

.seg-toggle[data-side="left"] .seg-toggle-thumb {
  background: rgba(255,255,255,.1);
}

/* ─── Nav Bar ────────────────────────────────────────────────────── */
#nav-bar {
  display: flex; gap: 0; padding: 0 18px;
  background: var(--nav-bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-btn {
  padding: 10px 16px; border: none; background: none;
  font-family: 'Inter', sans-serif; font-size: .72rem;
  font-weight: 600; color: var(--muted);
  cursor: pointer; transition: all .15s;
  border-bottom: 2px solid transparent;
  text-transform: uppercase; letter-spacing: .08em;
}
.nav-btn.active {
  color: var(--green);
  border-bottom-color: var(--green);
}
.nav-btn:hover:not(.active) { color: var(--text-dim); }

/* ─── Puzzle Selector ────────────────────────────────────────────── */
#puzzle-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 18px;
  background: var(--puzzle-bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#puzzle-selector { display: flex; gap: 6px; flex: 1; }

.puzzle-tab {
  padding: 6px 14px; border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  border-radius: 999px; font-family: 'Inter', sans-serif;
  font-size: .72rem; font-weight: 600; color: var(--muted);
  cursor: pointer; transition: all .15s;
  display: flex; align-items: center; gap: 5px;
}
.puzzle-tab.active {
  background: var(--green-dim);
  border-color: var(--border-green);
  color: var(--green);
}
.puzzle-tab:hover:not(.active) {
  background: var(--panel-soft);
  color: var(--text-dim);
}
.puzzle-tab.locked,
.puzzle-tab:disabled {
  opacity: .45;
  cursor: not-allowed;
  background: var(--panel-subtle);
  color: var(--muted);
}
.puzzle-tab.locked:hover,
.puzzle-tab:disabled:hover {
  background: var(--panel-subtle);
  color: var(--muted);
}
.puzzle-tab-ticker {
  font-weight: 700; font-size: .68rem;
}

#puzzle-info {
  font-size: .68rem; color: var(--muted);
}

/* ─── Game Area ──────────────────────────────────────────────────── */
#game-section { flex: 1; position: relative; overflow: hidden; }

#game {
  position: relative; z-index: 1;
  width: 100%; height: 100%;
  overflow: hidden;
}

#loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 34;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  background: var(--bg);
  transition: opacity .18s ease, visibility .18s ease;
}

#loading-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

#loading-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#loading-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.loading-overlay-brand {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  pointer-events: none;
  padding: 24px;
}

.loading-overlay-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.loading-overlay-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--logo-shell);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 12px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}

.loading-overlay-logo-icon svg {
  display: block;
  width: 84px;
  height: 84px;
}

.loading-overlay-logo-icon .linedle-arrows .arrow-up,
.loading-overlay-logo-icon .linedle-arrows .arrow-down {
  transition: transform .3s cubic-bezier(.34,1.56,.64,1), filter .3s ease;
}

.loading-overlay-logo-icon .linedle-arrows .logo-divider {
  stroke: var(--logo-divider);
}

#loading-overlay.active .loading-overlay-logo-icon .arrow-up {
  animation: loadingArrowRise 1.7s cubic-bezier(.34,1.56,.64,1) infinite;
}

#loading-overlay.active .loading-overlay-logo-icon .arrow-down {
  animation: loadingArrowDrop 1.7s cubic-bezier(.34,1.56,.64,1) infinite;
}

.loading-overlay-logo-name {
  display: block;
  font-size: clamp(2.5rem, 6.4vw, 3.8rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.04em;
  line-height: 1;
}

.loading-overlay-copy {
  margin-top: 14px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--muted);
  text-transform: lowercase;
}

.loading-overlay-dots {
  display: inline-block;
  min-width: 1.5ch;
  text-align: left;
  color: var(--text);
}

@keyframes loadingArrowRise {
  0%, 100% {
    transform: translateY(0);
    filter: drop-shadow(0 0 0 rgba(61,220,132,0));
  }
  50% {
    transform: translateY(-4px);
    filter: drop-shadow(0 0 8px rgba(61,220,132,.85)) drop-shadow(0 0 16px rgba(61,220,132,.4));
  }
}

@keyframes loadingArrowDrop {
  0%, 100% {
    transform: translateY(0);
    filter: drop-shadow(0 0 0 rgba(255,98,94,0));
  }
  50% {
    transform: translateY(4px);
    filter: drop-shadow(0 0 8px rgba(255,80,80,.85)) drop-shadow(0 0 16px rgba(255,80,80,.4));
  }
}

canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%; display: block;
}

#head {
  position: absolute; width: 9px; height: 9px; border-radius: 50%;
  background: #fff; pointer-events: none; display: none;
  box-shadow: 0 0 0 3px var(--head-ring), 0 0 14px var(--head-glow);
  transform: translate(-50%,-50%);
}

#head.preview-head {
  display: block;
  animation: previewHeadWiggle .9s ease-in-out infinite;
}

@keyframes previewHeadWiggle {
  0%, 100% { transform: translate(-50%, -50%) rotate(0deg) scale(1); }
  25% { transform: translate(calc(-50% - 2px), calc(-50% - 1px)) rotate(-8deg) scale(1.05); }
  50% { transform: translate(calc(-50% + 3px), calc(-50% + 1px)) rotate(8deg) scale(1.08); }
  75% { transform: translate(calc(-50% - 1px), calc(-50% + 2px)) rotate(-5deg) scale(1.03); }
}

#grid {
  position: absolute; top: 0; right: 0; bottom: 0;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  pointer-events: auto;
}

.mc {
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--cell-border);
  font-size: clamp(.5rem, 1vw, .68rem); font-weight: 700;
  color: var(--cell-text);
  cursor: pointer;
  transition: opacity .35s ease, background .15s, border-color .15s, color .15s, box-shadow .15s;
  user-select: none;
}
.mc:hover { background: var(--bg-hover); border-color: rgba(61,220,132,.22); color: var(--green); }
.mc.sel { background: var(--green-dim); border-color: rgba(61,220,132,.5); color: var(--green); box-shadow: inset 0 0 12px rgba(61,220,132,.08); }

.mc.r-hit {
  opacity: 1 !important;
  background: rgba(61,220,132,.18); border-color: rgba(61,220,132,.65);
  color: var(--green-light);
  animation: cellFlash .4s ease;
  transition: opacity 0s !important;
}
.mc.r-hit.sel {
  background: rgba(61,220,132,.32); border-color: var(--green-light);
  box-shadow: 0 0 20px rgba(61,220,132,.45), inset 0 0 10px rgba(61,220,132,.1);
  color: #fff;
  animation: cellFlash .4s ease, winPulse 1.2s ease .4s infinite;
}
.mc.sel.r-miss {
  opacity: 1 !important;
  pointer-events: none;
  background: rgba(255,98,94,.2);
  border-color: rgba(255,98,94,.72);
  color: #ffd2d0;
  box-shadow: 0 0 18px rgba(255,98,94,.24), inset 0 0 10px rgba(255,98,94,.08);
  animation: cellFlashLoss .35s ease;
  transition: opacity 0s !important;
}
.mc.sel.r-miss::after {
  content: attr(data-result);
  display: block;
  margin-top: 3px;
  font-size: .56rem;
  font-weight: 800;
  color: #ff8e89;
  letter-spacing: .02em;
}
@keyframes winPulse {
  0%,100% { box-shadow: 0 0 20px rgba(61,220,132,.45); }
  50%     { box-shadow: 0 0 32px rgba(61,220,132,.7), 0 0 8px rgba(61,220,132,.3) inset; }
}
.mc.r-miss {
  opacity: 0;
  pointer-events: none;
  transition: opacity .4s ease !important;
}

@keyframes cellFlash {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.1); box-shadow: 0 0 22px rgba(61,220,132,.5); }
  100% { transform: scale(1); }
}
@keyframes cellFlashLoss {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.08); box-shadow: 0 0 22px rgba(255,98,94,.38); }
  100% { transform: scale(1); }
}

/* floating chart tags */
.ctag {
  position: absolute; pointer-events: none;
  border-radius: 9px; padding: 5px 9px; white-space: nowrap;
  transform: translate(-50%, -115%);
  animation: tagIn .2s cubic-bezier(.34,1.56,.64,1) forwards;
  z-index: 20;
}
.ctag-win { background: rgba(12,38,22,.95); border: 1px solid rgba(61,220,132,.75); box-shadow: 0 0 14px rgba(61,220,132,.2); }
.ctag-win .ta { display: block; font-size: .8rem; font-weight: 800; color: var(--green-light); }
.ctag-win .tm { display: block; font-size: .55rem; color: var(--theme-meta); text-transform: uppercase; letter-spacing: .05em; margin-top: 1px; }
.ctag-loss { background: rgba(44,10,10,.95); border: 1px solid rgba(255,98,94,.72); box-shadow: 0 0 14px rgba(255,98,94,.18); }
.ctag-loss .ta { display: block; font-size: .8rem; font-weight: 800; color: #ffb3af; }
.ctag-loss .tm { display: block; font-size: .55rem; color: #ff8e89; text-transform: uppercase; letter-spacing: .05em; margin-top: 1px; }
@keyframes tagIn { from{opacity:0;transform:translate(-50%,-130%) scale(.7)} to{opacity:1;transform:translate(-50%,-115%) scale(1)} }

/* status pill */
#pill {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  padding: 4px 13px; border-radius: 999px; font-size: .62rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; backdrop-filter: blur(8px);
  z-index: 25; white-space: nowrap; transition: all .25s;
}
#pill.idle    { background: var(--pill-idle-bg); border: 1px solid var(--pill-idle-border); color: var(--muted); }
#pill.running { background: rgba(61,220,132,.1);   border: 1px solid rgba(61,220,132,.32);  color: var(--green); }
#pill.done    { background: rgba(255,180,0,.08);   border: 1px solid rgba(255,180,0,.28);   color: var(--gold); }

body[data-player-state*="loading-puzzles"] #pill,
body[data-player-state*="loading-puzzles"] #controls,
body[data-player-state*="loading-puzzles"] #ticker,
body[data-player-state*="loading-puzzles"] #combo-meter {
  opacity: 0;
  pointer-events: none;
}

/* live multiplier ticker */
#ticker {
  position: absolute; bottom: 80px; left: 20px; display: none;
  font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums;
  color: var(--green); text-shadow: 0 0 20px rgba(61,220,132,.5);
  z-index: 25; pointer-events: none;
}

#combo-meter {
  position: absolute;
  left: 20px;
  bottom: 120px;
  display: none;
  padding: 8px 12px;
  border-radius: 12px;
  background: rgba(7,16,10,.88);
  border: 1px solid rgba(244,255,122,.28);
  color: #f4ff7a;
  font-size: .8rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  box-shadow: 0 12px 28px rgba(0,0,0,.28), 0 0 18px rgba(244,255,122,.15);
  pointer-events: none;
  z-index: 25;
  transform-origin: left center;
}

#combo-meter.show {
  display: block;
}

#combo-meter.combo-burst {
  animation: comboBurst .38s cubic-bezier(.22,1,.36,1);
}

#combo-meter.combo-hot {
  border-color: rgba(61,220,132,.42);
  color: var(--green-light);
  box-shadow: 0 16px 34px rgba(0,0,0,.34), 0 0 22px rgba(61,220,132,.22);
}

@keyframes comboBurst {
  0% { opacity: 0; transform: translateY(10px) scale(.88); }
  55% { opacity: 1; transform: translateY(-3px) scale(1.06); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── Bottom Controls ────────────────────────────────────────────── */
#controls {
  position: absolute; bottom: 16px; left: 18px; z-index: 25;
  display: flex; align-items: center; gap: 8px;
  background: var(--control-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 14px;
  backdrop-filter: blur(14px);
}
.ctrl-label { font-size: .58rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; }
#bet-input {
  width: 64px; background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm); padding: 4px 7px;
  color: var(--text); font-family: 'Inter',sans-serif;
  font-size: .82rem; font-weight: 700; text-align: right; outline: none;
}
#bet-input:focus { border-color: rgba(61,220,132,.45); }
.ctrl-sep { width: 1px; height: 28px; background: var(--border); margin: 0 4px; }
.ctrl-stat { text-align: right; }
.ctrl-stat-val { font-size: .8rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.ctrl-stat-val.gr { color: var(--green); }

.btn {
  border: none; border-radius: 9px; padding: 8px 14px;
  font-family: 'Inter',sans-serif; font-size: .78rem;
  font-weight: 700; cursor: pointer;
  transition: transform .11s ease, box-shadow .11s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:disabled { opacity: .35; cursor: default; }
.btn-primary {
  background: linear-gradient(135deg,#3ddc84,#1fb862);
  color: #061208;
  box-shadow: 0 6px 18px rgba(61,220,132,.28);
}
.btn-ghost {
  background: var(--btn-ghost-bg);
  color: var(--muted);
  border: 1px solid var(--btn-ghost-border);
}

/* ─── End Overlay ────────────────────────────────────────────────── */
#end-ov {
  position: absolute; inset: 0; z-index: 40;
  display: flex; align-items: center; justify-content: center;
  background: var(--overlay-bg); backdrop-filter: blur(5px);
  opacity: 0; pointer-events: none; transition: opacity .28s;
}
#end-ov.show { opacity: 1; pointer-events: all; }
.eo-card {
  text-align: center; padding: 28px 34px;
  border-radius: 18px;
  background: var(--bg-card); border: 1px solid var(--border-green);
  box-shadow: var(--shadow); min-width: 270px;
  animation: eoIn .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes eoIn { from{opacity:0;transform:scale(.84) translateY(12px)} to{opacity:1;transform:scale(1) translateY(0)} }
.eo-logo-name { font-size: 1.3rem; }
.eo-pnl { font-size: 2.2rem; font-weight: 800; line-height: 1; margin-bottom: 5px; }
.eo-pnl.pos { color: var(--green-light); }
.eo-pnl.neg { color: var(--red); }
.eo-detail { font-size: .75rem; color: var(--muted); margin-bottom: 20px; }
.eo-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
  text-align: left;
}
.eo-meta-item {
  padding: 12px 13px;
  border-radius: 12px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
}
.eo-meta-item-wide {
  grid-column: 1 / -1;
}
.eo-meta-label {
  display: block;
  margin-bottom: 4px;
  font-size: .62rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.eo-meta-value {
  display: block;
  font-size: .86rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.35;
}
.eo-guest-hook {
  margin-bottom: 16px;
  padding: 14px;
  border-radius: 14px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
}
.eo-guest-copy {
  font-size: .76rem;
  color: var(--text-dim);
  line-height: 1.45;
  margin-bottom: 12px;
}
.eo-guest-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}
.eo-guest-stat {
  padding: 10px 8px;
  border-radius: 10px;
  background: var(--panel-subtle);
  border: 1px solid var(--border);
}
.eo-guest-stat-value {
  display: block;
  font-size: .95rem;
  font-weight: 800;
  color: var(--text);
}
.eo-guest-stat-label {
  display: block;
  margin-top: 3px;
  font-size: .6rem;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.eo-guest-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.eo-btn {
  border: none; border-radius: 10px; padding: 11px 0;
  width: 100%; font-family: 'Inter',sans-serif;
  font-size: .84rem; font-weight: 700; cursor: pointer;
  margin-bottom: 6px; transition: transform .12s;
}
.eo-btn:last-child { margin-bottom: 0; }
.eo-btn:hover { transform: translateY(-1px); }
.eo-btn-p {
  background: linear-gradient(135deg,#3ddc84,#1fb862);
  color: #061208;
  box-shadow: 0 8px 22px rgba(61,220,132,.28);
}
.eo-btn-share {
  background: linear-gradient(135deg, #f4ff7a, #3ddc84);
  color: #061208;
  box-shadow: 0 8px 22px rgba(61,220,132,.18);
}
.eo-btn-auth {
  background: var(--panel-subtle);
  color: var(--green);
  border: 1px solid var(--border-green);
}
.eo-btn-g {
  background: var(--btn-ghost-bg); color: var(--muted);
  border: 1px solid var(--btn-ghost-border);
}

.guest-guide-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 28px 20px;
  background:
    radial-gradient(circle at top left, rgba(61,220,132,.12), transparent 36%),
    radial-gradient(circle at bottom right, rgba(244,255,122,.08), transparent 32%),
    var(--overlay-bg);
  backdrop-filter: blur(10px);
}

.guest-guide-modal.show {
  display: flex;
}

.guest-guide-dialog {
  position: relative;
  width: min(920px, 100%);
  max-height: min(88vh, 980px);
  overflow-y: auto;
  padding: 28px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), transparent 18%),
    var(--bg-card);
  border: 1px solid var(--border-green);
  box-shadow: var(--shadow), 0 0 90px rgba(61,220,132,.08);
  animation: eoIn .26s cubic-bezier(.34,1.56,.64,1);
}

.guest-guide-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--btn-ghost-bg);
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.guest-guide-header {
  margin-bottom: 20px;
  padding-right: 40px;
}

.guest-guide-kicker {
  margin-top: 10px;
  margin-bottom: 8px;
  font-size: .68rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: .18em;
  text-transform: uppercase;
}

.guest-guide-header h2 {
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.02;
  letter-spacing: -.04em;
  color: var(--text);
}

.guest-guide-subtitle {
  margin-top: 10px;
  max-width: 700px;
  font-size: .96rem;
  line-height: 1.6;
  color: var(--text-dim);
}

.guest-guide-theme-toggle {
  display: inline-flex;
  gap: 8px;
  margin-top: 18px;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
}

.guest-guide-theme-btn {
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 14px;
  background: transparent;
  color: var(--theme-meta);
  font-family: 'Inter', sans-serif;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .03em;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s, transform .15s;
}

.guest-guide-theme-btn:hover {
  color: var(--text);
  transform: translateY(-1px);
}

.guest-guide-theme-btn.active {
  background: var(--green-dim);
  border-color: var(--border-green);
  color: var(--green);
}

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

.guest-guide-panel {
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.025), transparent 26%),
    var(--panel-subtle);
}

.guest-guide-panel-wide {
  grid-column: 1 / -1;
}

.guest-guide-step {
  margin-bottom: 14px;
  font-size: .72rem;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .14em;
}

.guest-guide-board {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
}

.guest-guide-mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.guest-guide-cell {
  aspect-ratio: 1;
  border-radius: 10px;
  border: 1px solid var(--cell-border);
  background: var(--panel-soft);
}

.guest-guide-cell.selected {
  background: var(--green-dim);
  border-color: rgba(61,220,132,.5);
  box-shadow: inset 0 0 12px rgba(61,220,132,.08);
}

.guest-guide-cell.hit {
  background: rgba(61,220,132,.28);
  border-color: rgba(61,220,132,.7);
  box-shadow: 0 0 18px rgba(61,220,132,.2);
}

.guest-guide-cell.miss {
  background: rgba(255,98,94,.18);
  border-color: rgba(255,98,94,.52);
}

.guest-guide-copy strong,
.guest-guide-caption {
  display: block;
  color: var(--text);
  font-size: .92rem;
  line-height: 1.45;
}

.guest-guide-copy p,
.guest-guide-caption {
  margin-top: 6px;
  color: var(--text-dim);
  font-size: .83rem;
  line-height: 1.55;
}

.guest-guide-inline-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 14px;
}

.guest-guide-inline-stat {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
}

.guest-guide-inline-stat.win {
  border-color: rgba(61,220,132,.26);
}

.guest-guide-inline-label,
.guest-guide-result-label {
  display: block;
  font-size: .62rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guest-guide-inline-value {
  display: block;
  margin-top: 4px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--text);
}

.guest-guide-chart {
  position: relative;
  min-height: 210px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background:
    radial-gradient(circle at 15% 20%, rgba(61,220,132,.08), transparent 28%),
    linear-gradient(180deg, rgba(61,220,132,.08), rgba(61,220,132,0) 45%),
    rgba(4,10,7,.65);
  overflow: hidden;
}

.guest-guide-pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid rgba(61,220,132,.32);
  background: rgba(61,220,132,.08);
  color: var(--green);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.guest-guide-line {
  position: relative;
  height: 112px;
  margin-top: 22px;
  border-radius: 14px;
  background:
    linear-gradient(transparent calc(100% - 1px), rgba(255,255,255,.08) 0),
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(255,255,255,.06) 0);
  background-size: 100% 28px, 28px 100%;
}

.guest-guide-line span {
  position: absolute;
  left: 18px;
  right: 18px;
  top: 14px;
  bottom: 18px;
  border-bottom: 4px solid transparent;
}

.guest-guide-line span::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: linear-gradient(90deg,
    transparent 0%,
    transparent 8%,
    rgba(61,220,132,.3) 8.5%,
    rgba(61,220,132,.95) 26%,
    rgba(61,220,132,.92) 50%,
    rgba(61,220,132,.3) 72%,
    transparent 100%);
  clip-path: polygon(0 84%, 12% 70%, 24% 78%, 38% 48%, 52% 60%, 68% 34%, 84% 40%, 100% 8%, 100% 18%, 84% 48%, 68% 42%, 52% 68%, 38% 56%, 24% 84%, 12% 78%, 0 92%);
  filter: drop-shadow(0 0 10px rgba(61,220,132,.28));
}

.guest-guide-multiplier {
  position: absolute;
  left: 16px;
  bottom: 16px;
  color: var(--green-light);
  font-size: 1.5rem;
  font-weight: 800;
  text-shadow: 0 0 16px rgba(61,220,132,.22);
}

.guest-guide-results {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.guest-guide-result-card {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
}

.guest-guide-result-card.highlight {
  border-color: rgba(61,220,132,.28);
  box-shadow: inset 0 0 0 1px rgba(61,220,132,.06);
}

.guest-guide-result-value {
  display: block;
  margin-top: 6px;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text);
}

.guest-guide-result-value.pos {
  color: var(--green-light);
}

.guest-guide-result-note {
  display: block;
  margin-top: 6px;
  font-size: .74rem;
  line-height: 1.5;
  color: var(--text-dim);
}

.guest-guide-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 18px;
}

.guest-guide-actions .eo-btn {
  width: auto;
  min-width: 190px;
  padding-inline: 22px;
}

/* ─── Stats Section ──────────────────────────────────────────────── */
#stats-section, #leaderboard-section {
  display: none;
  padding: 20px 18px;
  overflow-y: auto;
  height: calc(100dvh - 50px - 38px);
}

.stats-container { max-width: 600px; margin: 0 auto; }

.stats-section { margin-bottom: 28px; }

.stats-heading {
  font-size: 1rem; font-weight: 700;
  color: var(--text); margin-bottom: 14px;
  letter-spacing: -.02em;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.stat-card {
  background: var(--panel-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
  transition: all .15s;
}
.stat-card:hover {
  border-color: var(--border-green);
  background: rgba(61,220,132,.03);
}
.stat-card.wide { grid-column: span 2; }

.stat-value {
  display: block; font-size: 1.3rem; font-weight: 800;
  font-variant-numeric: tabular-nums;
  margin-bottom: 2px;
}
.stat-value.pos { color: var(--green-light); }
.stat-value.neg { color: var(--red); }

.stat-label {
  display: block; font-size: .58rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: .1em;
}

.stats-empty {
  text-align: center; padding: 32px;
  color: var(--muted);
}
.empty-icon { font-size: 2rem; display: block; margin-bottom: 10px; }

.stats-loading {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; padding: 40px; color: var(--muted);
  font-size: .82rem;
}
.stats-loading .spinner {
  width: 20px; height: 20px;
  border: 2px solid rgba(61,220,132,.2);
  border-top-color: var(--green);
}

/* ─── History Table ──────────────────────────────────────────────── */
.history-table {
  border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}

.history-header {
  display: flex;
  background: rgba(255,255,255,.03);
  border-bottom: 1px solid var(--border);
}

.history-header .history-cell {
  font-size: .56rem; font-weight: 700;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: .1em;
}

.history-row {
  display: flex;
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
.history-row:last-child { border-bottom: none; }
.history-row:hover { background: var(--green-dim); }

.history-cell {
  padding: 10px 12px; font-size: .78rem;
  font-weight: 600; font-variant-numeric: tabular-nums;
}
.history-cell.date    { width: 70px; color: var(--muted); }
.history-cell.ticker  { width: 70px; color: var(--text); font-weight: 700; }
.history-cell.diff    { width: 40px; text-align: center; }
.history-cell.hits    { flex: 1; color: var(--text-dim); }
.history-cell.pnl     { width: 90px; text-align: right; font-weight: 700; }
.history-cell.pnl.pos { color: var(--green); }
.history-cell.pnl.neg { color: var(--red); }

/* ─── Leaderboard Table ──────────────────────────────────────────── */
.lb-table {
  border: 1px solid var(--border);
  border-radius: 12px; overflow: hidden;
}

.lb-header {
  display: flex;
  background: var(--panel-soft);
  border-bottom: 1px solid var(--border);
}

.lb-header > div {
  font-size: .56rem; font-weight: 700;
  color: var(--muted); text-transform: uppercase;
  letter-spacing: .1em;
}

.lb-row {
  display: flex; align-items: center;
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
.lb-row:last-child { border-bottom: none; }
.lb-row:hover { background: var(--green-dim); }
.lb-row.top-three { background: var(--panel-subtle); }

.lb-rank   { width: 50px; padding: 10px 12px; font-size: .82rem; text-align: center; }
.lb-name   { flex: 1; padding: 10px 8px; font-size: .82rem; font-weight: 600; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-games  { width: 60px; padding: 10px 8px; font-size: .78rem; color: var(--muted); text-align: center; }
.lb-streak { width: 60px; padding: 10px 8px; font-size: .78rem; color: var(--gold); text-align: center; }
.lb-pnl    { width: 100px; padding: 10px 12px; font-size: .82rem; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.lb-pnl.pos { color: var(--green); }
.lb-pnl.neg { color: var(--red); }

/* ─── No Puzzles ─────────────────────────────────────────────────── */
.no-puzzles {
  text-align: center; padding: 24px 18px;
  background: var(--panel-subtle);
  border: 1px solid var(--border);
  border-radius: var(--radius); margin: 8px 18px;
}
.no-puzzles-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.no-puzzles h3 { font-size: .92rem; color: var(--text); margin-bottom: 6px; }
.no-puzzles p { font-size: .78rem; color: var(--muted); }
.no-puzzles-sub { margin-top: 8px; color: var(--green) !important; font-weight: 600; }

/* ─── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card.wide { grid-column: span 1; }
  .eo-meta { grid-template-columns: 1fr; }
  .eo-meta-item-wide { grid-column: auto; }
  .eo-guest-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .guest-guide-modal { padding: 10px; }
  .guest-guide-dialog { padding: 20px 16px; max-height: 92vh; }
  .guest-guide-grid,
  .guest-guide-results,
  .guest-guide-inline-stats { grid-template-columns: 1fr; }
  .guest-guide-board { grid-template-columns: 1fr; }
  .guest-guide-mini-grid { max-width: 150px; }
  .guest-guide-theme-toggle { width: 100%; justify-content: space-between; }
  .guest-guide-theme-btn { flex: 1; text-align: center; }
  .guest-guide-actions { justify-content: stretch; }
  .guest-guide-actions .eo-btn { width: 100%; min-width: 0; }
  .auth-features { flex-direction: column; align-items: center; }
  .loading-overlay-logo { gap: 12px; }
  .loading-overlay-logo-name { font-size: 2.2rem; }
  .loading-overlay-copy { margin-top: 12px; font-size: .82rem; }
  .loading-overlay-logo-icon { border-radius: 18px; padding: 10px; }
  .loading-overlay-logo-icon svg { width: 64px; height: 64px; }
  #controls { 
    flex-wrap: wrap; 
    left: 10px; right: 10px;
    justify-content: center;
    gap: 12px;
  }
  #controls .ctrl-sep { display: none; }
  #controls .btn { flex: 1; text-align: center; }
  .hdr-stats { gap: 10px; }
  .hdr-stat-val { font-size: .72rem; }
  .logo { gap: 10px; }
  .logo .logo-icon { padding: 5px; border-radius: 12px; }
  .logo-name { font-size: 1.02rem; }
}

html[data-theme="light"] .auth-tabs,
html[data-theme="light"] .history-table,
html[data-theme="light"] .lb-table,
html[data-theme="light"] .user-dropdown {
  box-shadow: 0 18px 34px rgba(27,58,40,.1);
}

html[data-theme="light"] .auth-feature,
html[data-theme="light"] .puzzle-tab,
html[data-theme="light"] .auth-field input,
html[data-theme="light"] .auth-google-btn,
html[data-theme="light"] #user-menu-btn {
  background: rgba(16,46,29,.03);
  border-color: rgba(16,46,29,.12);
}

html[data-theme="light"] .ctag-win {
  background: rgba(255,255,255,.96);
  box-shadow: 0 10px 24px rgba(27,58,40,.12);
}

html[data-theme="light"] .guest-guide-chart {
  background:
    radial-gradient(circle at 15% 20%, rgba(22,155,82,.12), transparent 28%),
    linear-gradient(180deg, rgba(22,155,82,.08), rgba(22,155,82,0) 45%),
    rgba(255,255,255,.9);
}

/* SEO intro + right rail */
#seo-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 1fr);
  gap: 18px;
  padding: 18px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(61,220,132,.08), rgba(61,220,132,.03));
  flex-shrink: 0;
}

.seo-intro-copy,
#insights-rail {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.seo-intro-copy {
  padding: 22px 24px;
}

.seo-intro-kicker,
.insights-kicker {
  margin: 0 0 10px;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--green);
}

#seo-intro-title {
  margin: 0 0 12px;
  font-size: clamp(1.55rem, 2vw, 2.2rem);
  line-height: .98;
  letter-spacing: -.05em;
}

.seo-intro-body,
.insights-subtitle,
.rail-card-copy,
.rail-note,
.rail-list,
.rail-detail {
  color: var(--text-dim);
}

.seo-intro-body {
  margin: 0;
  font-size: .92rem;
  line-height: 1.65;
}

.seo-intro-links {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 10px;
}

.seo-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--panel-soft);
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: .78rem;
  font-weight: 700;
  transition: transform .14s ease, border-color .14s ease, color .14s ease;
}

.seo-link:hover {
  transform: translateY(-1px);
  border-color: var(--border-green);
  color: var(--green);
}

.seo-link-primary {
  background: linear-gradient(135deg,#3ddc84,#1fb862);
  color: #061208;
  border-color: transparent;
}

.seo-link-primary:hover {
  color: #061208;
}

.seo-link-secondary {
  background: var(--panel-subtle);
}

#app-shell {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 18px;
  padding: 18px;
}

#main-panel-area {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(5,10,7,.35);
}

#puzzle-bar {
  border-bottom: 1px solid var(--border);
}

#game-section,
#stats-section,
#leaderboard-section {
  min-height: 0;
}

#game-section {
  flex: 1;
}

#stats-section,
#leaderboard-section {
  height: auto;
  padding: 20px 18px;
}

#insights-rail {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 18px;
  overflow: hidden;
}

.insights-rail-header {
  margin-bottom: 16px;
}

#insights-rail-title {
  margin: 0 0 10px;
  font-size: 1.32rem;
  letter-spacing: -.04em;
}

.insights-subtitle {
  margin: 0;
  font-size: .84rem;
  line-height: 1.6;
}

.insights-rail-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.rail-tab {
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--muted);
  font-family: 'Inter', sans-serif;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .03em;
  cursor: pointer;
  transition: all .15s ease;
}

.rail-tab.active,
.rail-tab:hover {
  color: var(--green);
  border-color: var(--border-green);
  background: var(--green-dim);
}

.rail-panel-content {
  min-height: 0;
  overflow-y: auto;
  display: grid;
  gap: 12px;
  padding-right: 4px;
}

.rail-card {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel-subtle);
}

.rail-card-title {
  margin: 0 0 8px;
  font-size: .98rem;
  letter-spacing: -.03em;
}

.rail-card-copy,
.rail-note,
.rail-detail {
  margin: 0;
  font-size: .82rem;
  line-height: 1.65;
}

.rail-list {
  margin: 0;
  padding-left: 18px;
  font-size: .82rem;
  line-height: 1.65;
}

.rail-callout {
  border-color: var(--border-green);
  background: rgba(61,220,132,.08);
}

.rail-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.rail-metric {
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
}

.rail-metric-label {
  display: block;
  margin-bottom: 4px;
  font-size: .58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
}

.rail-metric-value {
  display: block;
  font-size: .92rem;
  font-weight: 800;
  color: var(--text);
}

.rail-deep-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.rail-deep-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  text-decoration: none;
  font-size: .72rem;
  font-weight: 700;
}

.rail-deep-link:hover {
  color: var(--green);
  border-color: var(--border-green);
}

@media (max-width: 1080px) {
  #seo-intro,
  #app-shell {
    grid-template-columns: 1fr;
  }

  #insights-rail {
    max-height: 420px;
  }
}

@media (max-width: 600px) {
  #seo-intro,
  #app-shell {
    padding: 12px;
  }

  .seo-intro-links,
  .insights-rail-tabs,
  .rail-metric-grid {
    grid-template-columns: 1fr;
  }

  .insights-rail-tabs {
    display: grid;
  }
}

/* Learn tab overrides */
#seo-intro,
#app-shell,
#insights-rail,
#main-panel-area {
  display: none !important;
}

#learn-section {
  display: none;
  padding: 20px 18px;
  overflow-y: auto;
  height: calc(100dvh - 50px - 38px);
}

.learn-container {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.learn-section-block {
  background: var(--panel-subtle);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
}

.learn-hero {
  background: linear-gradient(180deg, rgba(61,220,132,.1), rgba(61,220,132,.04));
  border-color: var(--border-green);
}

.learn-kicker {
  margin: 0 0 10px;
  font-size: .62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .16em;
  color: var(--green);
}

.learn-title {
  margin: 0 0 10px;
  font-size: 1.6rem;
  letter-spacing: -.04em;
}

.learn-copy,
.learn-note,
.learn-list {
  color: var(--text-dim);
  line-height: 1.65;
}

.learn-copy,
.learn-note {
  margin: 0;
  font-size: .92rem;
}

.learn-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.learn-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  font-size: .78rem;
  font-weight: 700;
}

.learn-link:hover {
  color: var(--green);
  border-color: var(--border-green);
}

.learn-link-primary {
  background: linear-gradient(135deg,#3ddc84,#1fb862);
  color: #061208;
  border-color: transparent;
}

.learn-link-primary:hover {
  color: #061208;
}

.learn-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.learn-heading {
  margin: 0 0 10px;
  font-size: 1rem;
  letter-spacing: -.02em;
}

.learn-list {
  margin: 0;
  padding-left: 18px;
  font-size: .85rem;
}

.learn-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.learn-metric {
  padding: 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
}

.learn-metric-label {
  display: block;
  margin-bottom: 4px;
  font-size: .58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
}

.learn-metric-value {
  display: block;
  font-size: .88rem;
  font-weight: 800;
  color: var(--text);
}

@media (max-width: 700px) {
  .learn-grid,
  .learn-metrics {
    grid-template-columns: 1fr;
  }
}