/* Snakes & Ladders: Cloud Architect Edition — Clean Editorial Stylesheet */

:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-subtle: #f8fafc;
  --surface-muted: #f1f5f9;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  /* Google Cloud inspired accents */
  --blue: #1a73e8;
  --blue-hover: #1557b0;
  --blue-soft: #e8f0fe;
  --blue-border: #aecbfa;

  --green: #1e8e3e;
  --green-bright: #34a853;
  --green-soft: #e6f4ea;
  --green-border: #a8dab5;

  --red: #d93025;
  --red-bright: #ea4335;
  --red-soft: #fce8e6;
  --red-border: #f6aea9;

  --gold: #e37400;
  --gold-bright: #f9ab00;
  --gold-soft: #fef7e0;
  --gold-border: #fde293;

  --violet: #7c3aed;
  --teal: #0d9488;

  /* Board SVG semantic variables */
  --cell-even: #ffffff;
  --cell-odd: #f8fafc;
  --cell-stroke: #e2e8f0;
  --cell-num: #64748b;
  --board-outer: #ffffff;
  --tier-label: #94a3b8;

  --ladder-rail: #1e8e3e;
  --ladder-rung: #34a853;
  --snake-body: #d93025;
  --snake-spine: #fad2cf;
  --shield-fill: #fef7e0;
  --shield-stroke: #f29900;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.06), 0 2px 6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.16);
}

html[data-theme="dark"] {
  --bg: #0b1120;
  --surface: #131c2e;
  --surface-subtle: #182338;
  --surface-muted: #1e2b45;
  --border: #263552;
  --border-strong: #36496e;

  --text: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --blue: #60a5fa;
  --blue-hover: #3b82f6;
  --blue-soft: rgba(59, 130, 246, 0.16);
  --blue-border: rgba(96, 165, 250, 0.38);

  --green: #4ade80;
  --green-bright: #34d399;
  --green-soft: rgba(52, 211, 153, 0.14);
  --green-border: rgba(74, 222, 128, 0.35);

  --red: #f87171;
  --red-bright: #fb7185;
  --red-soft: rgba(248, 113, 113, 0.15);
  --red-border: rgba(248, 113, 113, 0.36);

  --gold: #fbbf24;
  --gold-bright: #f59e0b;
  --gold-soft: rgba(251, 191, 36, 0.15);
  --gold-border: rgba(251, 191, 36, 0.38);

  --violet: #a78bfa;
  --teal: #2dd4bf;

  --cell-even: #131c2e;
  --cell-odd: #172237;
  --cell-stroke: #253451;
  --cell-num: #8ea0bc;
  --board-outer: #131c2e;
  --tier-label: #64748b;

  --ladder-rail: #34d399;
  --ladder-rung: #6ee7b7;
  --snake-body: #f87171;
  --snake-spine: #451a1a;
  --shield-fill: #2c2412;
  --shield-stroke: #fbbf24;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.6);
}

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

code,
kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.app-shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 16px 22px 28px;
}

/* Header */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.mark-blue { fill: #4285f4; }
.mark-red { fill: #ea4335; }
.mark-yellow { fill: #fbbc04; }
.mark-green { fill: #34a853; }

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.brand-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.edition-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}

.brand-subtitle {
  margin: 2px 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.brand-subtitle code {
  font-size: 0.78rem;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pack-select {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  background-color: var(--blue-soft);
  border: 1px solid var(--blue-border);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.pack-select:hover,
.pack-select:focus-visible {
  border-color: var(--blue);
}

.mode-group {
  display: inline-flex;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 3px;
}

.seg-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.seg-btn:hover {
  color: var(--text);
}

.seg-btn.is-active {
  background: var(--surface);
  color: var(--blue);
  box-shadow: var(--shadow-sm);
}

.ghost-btn,
.secondary-btn,
.primary-btn {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 8px;
  padding: 7px 12px;
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.ghost-btn {
  background: var(--surface);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.ghost-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-subtle);
}

.secondary-btn {
  background: var(--surface);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}

.secondary-btn:hover {
  background: var(--blue-soft);
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: #1a73e8;
  color: #ffffff;
  border: 1px solid #1557b0;
  padding: 10px 18px;
  font-size: 0.9rem;
  box-shadow: 0 2px 6px rgba(26, 115, 232, 0.25);
}

.primary-btn:hover:not(:disabled) {
  background: #1557b0;
}

.primary-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.primary-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
}

.key-hint {
  font-size: 0.75rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

/* Main Grid */
.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 20px;
  align-items: start;
}

@media (max-width: 1060px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

/* Board Section */
.board-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.board-frame {
  background: var(--board-outer);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  box-shadow: var(--shadow-md);
  display: flex;
  justify-content: center;
  align-items: center;
}

.board-svg {
  width: 100%;
  max-width: clamp(460px, calc(100vh - 185px), 680px);
  height: auto;
  display: block;
  user-select: none;
}

/* SVG Board Classes */
.cell-base {
  stroke: var(--cell-stroke);
  stroke-width: 1.1;
  transition: filter 0.15s ease;
}

.cell-even { fill: var(--cell-even); }
.cell-odd { fill: var(--cell-odd); }

.cell-ladder-base { fill: var(--green-soft); }
.cell-snake-head { fill: var(--red-soft); }
.cell-shield { fill: var(--gold-soft); }
.cell-start { fill: var(--blue-soft); }
.cell-finish { fill: var(--gold-soft); }

.cell-interactive {
  cursor: pointer;
}

.cell-interactive:hover .cell-highlight {
  opacity: 1;
}

.cell-highlight {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2.5;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
}

.cell-selected .cell-highlight {
  opacity: 1;
}

.svg-cell-num {
  font-size: 13px;
  font-weight: 600;
  fill: var(--cell-num);
  pointer-events: none;
}

.svg-num-ladder { fill: var(--green); font-weight: 700; }
.svg-num-snake { fill: var(--red); font-weight: 700; }
.svg-num-shield { fill: var(--gold); font-weight: 700; }
.svg-num-milestone { fill: var(--blue); font-weight: 800; }

.svg-cell-tag {
  font-size: 11px;
  font-weight: 600;
  fill: var(--text-secondary);
  pointer-events: none;
}

.svg-tag-ladder { fill: var(--green); }
.svg-tag-snake { fill: var(--red); }
.svg-tag-shield { fill: var(--gold); }
.svg-tag-milestone { fill: var(--blue); font-weight: 700; }

.svg-tier-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  fill: var(--tier-label);
}

.svg-flow-hint {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.65;
  pointer-events: none;
}

.board-grid-frame {
  fill: none;
  stroke: var(--border-strong);
  stroke-width: 2;
  pointer-events: none;
}

.start-icon-box {
  fill: var(--surface);
  stroke: var(--blue);
  stroke-width: 2;
  pointer-events: none;
}

.start-icon-prompt {
  fill: none;
  stroke: var(--blue);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.finish-icon-star {
  fill: var(--gold-soft);
  stroke: var(--shield-stroke);
  stroke-width: 2.2;
  stroke-linejoin: round;
  pointer-events: none;
}

/* Ladders */
.ladder-shadow {
  stroke: rgba(15, 23, 42, 0.09);
  stroke-width: 5;
  stroke-linecap: round;
  pointer-events: none;
}

.ladder-rail {
  stroke: var(--ladder-rail);
  stroke-width: 4;
  stroke-linecap: round;
  pointer-events: none;
}

.ladder-rung {
  stroke: var(--ladder-rung);
  stroke-width: 2.6;
  stroke-linecap: round;
  pointer-events: none;
}

.ladder-node {
  fill: var(--surface);
  stroke: var(--ladder-rail);
  stroke-width: 2.5;
  pointer-events: none;
}

/* Snakes */
.snake-shadow {
  fill: none;
  stroke: rgba(15, 23, 42, 0.11);
  stroke-width: 10;
  stroke-linecap: round;
  pointer-events: none;
}

.snake-body {
  fill: none;
  stroke: var(--snake-body);
  stroke-width: 8.5;
  stroke-linecap: round;
  pointer-events: none;
}

.snake-spine {
  fill: none;
  stroke: var(--snake-spine);
  stroke-width: 2.2;
  stroke-dasharray: 3.5 7.5;
  stroke-linecap: round;
  pointer-events: none;
}

.snake-head-shape {
  fill: var(--snake-body);
  pointer-events: none;
}

.snake-eye {
  fill: #ffffff;
  pointer-events: none;
}

.snake-pupil {
  fill: #0f172a;
  pointer-events: none;
}

.snake-tail-dot {
  fill: var(--surface);
  stroke: var(--snake-body);
  stroke-width: 2.5;
  pointer-events: none;
}

/* SRE Shield Emblem on Board */
.board-shield-shape {
  fill: var(--shield-fill);
  stroke: var(--shield-stroke);
  stroke-width: 2.2;
  stroke-linejoin: round;
  pointer-events: none;
}

.board-shield-check {
  fill: none;
  stroke: var(--shield-stroke);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

/* Player Tokens on Board */
.token-group {
  pointer-events: none;
}

.token-shield-aura {
  fill: none;
  stroke: #f9ab00;
  stroke-width: 3;
  stroke-dasharray: 4 3;
  opacity: 0;
}

.has-shield .token-shield-aura {
  opacity: 0.95;
}

.token-shadow {
  fill: rgba(15, 23, 42, 0.24);
}

.token-disc {
  stroke: #ffffff;
  stroke-width: 2.6;
}

.token-p0 { fill: #1a73e8; }
.token-p1 { fill: #7c3aed; }
.token-p2 { fill: #0d9488; }

.token-label {
  fill: #ffffff;
  font-size: 11px;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: central;
}

/* Shield burst ring when blocking a snake */
.shield-burst {
  fill: rgba(249, 171, 0, 0.22);
  stroke: #f9ab00;
  stroke-width: 3.5;
  pointer-events: none;
}

/* Legend under board */
.board-legend {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 16px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-ladder { background: var(--green-bright); }
.dot-snake { background: var(--red-bright); }
.dot-shield { background: var(--gold-bright); }

.legend-hint {
  color: var(--text-muted);
  font-style: italic;
}

/* Right Side Cards */
.side-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.eyebrow {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.turn-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.turn-title {
  margin: 2px 0 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.status-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.status-pill.pill-burst {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: var(--blue-border);
}

/* Dice area */
.dice-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 14px;
}

.die-stage {
  width: 68px;
  height: 68px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}

.die-stage:disabled {
  cursor: default;
}

.die-svg {
  width: 68px;
  height: 68px;
  display: block;
  filter: drop-shadow(0 3px 6px rgba(15, 23, 42, 0.12));
}

.die-face {
  fill: var(--surface);
  stroke: var(--border-strong);
  stroke-width: 2;
}

.die-pip {
  fill: var(--text);
}

.die-pip-six {
  fill: var(--blue);
}

@keyframes dieTumble {
  0% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(-14deg) scale(1.06); }
  50% { transform: rotate(12deg) scale(0.96); }
  75% { transform: rotate(-8deg) scale(1.04); }
  100% { transform: rotate(0deg) scale(1); }
}

.die-rolling {
  animation: dieTumble 0.36s ease-in-out infinite;
}

.dice-cta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.roll-caption {
  margin: 0;
  font-size: 0.76rem;
  color: var(--text-secondary);
}

/* Players Scoreboard */
.players-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.player-row {
  padding: 9px 11px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.player-row.is-turn {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.player-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.player-ident {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 700;
}

.p-swatch {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex-shrink: 0;
}

.swatch-p0 { background: #1a73e8; }
.swatch-p1 { background: #7c3aed; }
.swatch-p2 { background: #0d9488; }

.player-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.shield-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.shield-pill.shield-armed {
  background: var(--gold-soft);
  color: var(--gold);
  border-color: var(--gold-border);
}

.sq-badge {
  font-size: 0.78rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.progress-svg {
  width: 100%;
  height: 6px;
  display: block;
}

.progress-track {
  fill: var(--border);
}

.progress-p0 { fill: #1a73e8; }
.progress-p1 { fill: #7c3aed; }
.progress-p2 { fill: #0d9488; }

/* Architecture Spotlight Card */
.spotlight-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.spot-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.badge-neutral {
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}

.badge-ladder {
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.badge-snake {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid var(--red-border);
}

.badge-shield {
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid var(--gold-border);
}

.spot-jump {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.spot-title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
}

.spot-quip {
  margin: 0 0 10px;
  font-size: 0.84rem;
  font-style: italic;
  color: var(--text-secondary);
}

.spot-tip-box {
  background: var(--surface-subtle);
  border-left: 3px solid var(--blue);
  border-radius: 6px;
  padding: 9px 11px;
}

.spot-tip-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 2px;
}

.spot-tip {
  margin: 0;
  font-size: 0.8rem;
  color: var(--text);
}

/* Cloud Logging Stream */
.logs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.logs-title-wrap {
  display: flex;
  align-items: center;
  gap: 7px;
}

.logs-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green-bright);
}

.logs-title {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
}

.logs-filter {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.logs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 195px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.log-entry {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 0.77rem;
  padding: 6px 8px;
  border-radius: 7px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
}

.sev-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0 5px;
  border-radius: 4px;
  flex-shrink: 0;
}

.sev-INFO {
  background: var(--blue-soft);
  color: var(--blue);
}

.sev-NOTICE {
  background: var(--green-soft);
  color: var(--green);
}

.sev-SHIELD {
  background: var(--gold-soft);
  color: var(--gold);
}

.sev-ERROR {
  background: var(--red-soft);
  color: var(--red);
}

.log-msg {
  color: var(--text-secondary);
  line-height: 1.35;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 50;
}

.is-hidden {
  display: none !important;
}

.modal-card {
  width: 100%;
  max-width: 560px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.modal-title {
  margin: 2px 0 0;
  font-size: 1.3rem;
  font-weight: 800;
}

.icon-close-btn {
  border: 1px solid var(--border);
  background: var(--surface-subtle);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}

.icon-close-btn:hover {
  color: var(--text);
}

.rule-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 580px) {
  .rule-grid {
    grid-template-columns: 1fr;
  }
}

.rule-item {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

.rule-item p {
  margin: 8px 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.rule-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

.tag-green { background: var(--green-soft); color: var(--green); }
.tag-red { background: var(--red-soft); color: var(--red); }
.tag-gold { background: var(--gold-soft); color: var(--gold); }
.tag-blue { background: var(--blue-soft); color: var(--blue); }

.modal-footer {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.win-summary {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

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

@media (max-width: 540px) {
  .win-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.stat-tile {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  text-align: center;
}

.stat-val {
  display: block;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--blue);
}

.stat-lbl {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Official Documentation Link & Shield Decision Modal */
.spot-doc-row {
  margin-top: 10px;
  display: flex;
  align-items: center;
}

.doc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--blue);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 7px;
  background: var(--blue-soft);
  border: 1px solid var(--blue-border);
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.doc-link:hover {
  text-decoration: underline;
}

.status-pill.pill-uplink {
  background: var(--green-soft);
  color: var(--green);
  border-color: var(--green-border);
}

.eyebrow-alert {
  color: var(--red);
}

.shield-choice-prompt {
  margin: 14px 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.shield-modal-actions {
  flex-wrap: wrap;
}

.shield-action-btn {
  background: #d97706;
  border-color: #b45309;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.25);
}

.shield-action-btn:hover:not(:disabled) {
  background: #b45309;
}

.snake-alert-ring {
  fill: rgba(217, 48, 37, 0.18);
  stroke: var(--red-bright);
  stroke-width: 3;
  pointer-events: none;
}

/* Prevent / Detect / Recover Outage Debrief Stack */
.debrief-stack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 9px 10px;
}

.debrief-row {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
}

.debrief-pill {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  text-align: center;
  padding: 1px 6px;
  border-radius: 5px;
  letter-spacing: 0.03em;
}

.pill-prevent {
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.pill-detect {
  background: var(--blue-soft);
  color: var(--blue);
  border: 1px solid var(--blue-border);
}

.pill-recover {
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid var(--gold-border);
}

.debrief-text {
  font-size: 0.78rem;
  color: var(--text);
  line-height: 1.38;
}

/* Learning Mode Challenge Modal */
.challenge-card {
  max-width: 610px;
  max-height: 92vh;
  overflow-y: auto;
}

.eyebrow-uplink {
  color: var(--green);
}

.shield-bypass-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 12px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: var(--gold-soft);
  border: 1px solid var(--gold-border);
}

.shield-bypass-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 200px;
}

.shield-bypass-copy strong {
  font-size: 0.82rem;
  color: var(--gold);
}

.shield-bypass-copy span {
  font-size: 0.77rem;
  color: var(--text-secondary);
}

.challenge-prompt-box {
  background: var(--surface-subtle);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 12px;
}

.challenge-question {
  margin: 0 0 10px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.42;
}

.challenge-options {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.option-btn {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  text-align: left;
  font-family: inherit;
  font-size: 0.82rem;
  line-height: 1.38;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 9px;
  padding: 9px 11px;
  cursor: pointer;
  transition: border-color 0.14s ease, background-color 0.14s ease;
}

.option-btn:hover:not(:disabled) {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.option-btn:disabled {
  cursor: default;
}

.option-key {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 5px;
  background: var(--surface-muted);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.option-btn.option-correct {
  background: var(--green-soft);
  border-color: var(--green);
  font-weight: 600;
}

.option-btn.option-correct .option-key {
  background: var(--green);
  color: #ffffff;
  border-color: var(--green);
}

.option-btn.option-wrong {
  background: var(--red-soft);
  border-color: var(--red);
}

.option-btn.option-wrong .option-key {
  background: var(--red);
  color: #ffffff;
  border-color: var(--red);
}

.challenge-feedback {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.verdict-banner {
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 11px;
  border-radius: 8px;
}

.verdict-pass {
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid var(--green-border);
}

.verdict-shield {
  background: var(--gold-soft);
  color: var(--gold);
  border: 1px solid var(--gold-border);
}

.verdict-fail {
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid var(--red-border);
}

.challenge-rationale {
  margin: 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.42;
}