:root {
  --color-background-primary: #ffffff;
  --color-background-secondary: #f5f4ef;
  --color-background-tertiary: #faf9f5;
  --color-background-success: #eaf3de;
  --color-background-danger: #fcebeb;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #5f5e5a;
  --color-text-tertiary: #888780;
  --color-text-success: #3b6d11;
  --color-text-danger: #a32d2d;
  --color-border-tertiary: rgba(0, 0, 0, 0.12);
  --color-border-secondary: rgba(0, 0, 0, 0.18);
  --color-border-success: #c0dd97;
  --color-border-danger: #f7c1c1;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --color-background-primary: #1f1f1f;
    --color-background-secondary: #2a2a2a;
    --color-background-tertiary: #161616;
    --color-background-success: #173404;
    --color-background-danger: #501313;
    --color-text-primary: #f5f5f5;
    --color-text-secondary: #b4b2a9;
    --color-text-tertiary: #888780;
    --color-text-success: #c0dd97;
    --color-text-danger: #f7c1c1;
    --color-border-tertiary: rgba(255, 255, 255, 0.15);
    --color-border-secondary: rgba(255, 255, 255, 0.25);
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--color-background-tertiary);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  padding: 2rem 1rem;
}

/* ── Shared wrap ── */
.retro-wrap {
  max-width: 460px;
  margin: 0 auto;
  font-family: var(--font-sans);
}

/* ── Landing page ── */
.landing-title {
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--color-text-primary);
}
.landing-sub {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0 0 28px;
}
.landing-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}
.landing-tab {
  background: none;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: 10px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}
.landing-tab.active {
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  border-color: var(--color-border-secondary);
  font-weight: 500;
}
.landing-tab:hover:not(.active) {
  background: var(--color-background-secondary);
}
.landing-panel {
  display: none;
}
.landing-panel.active {
  display: block;
}
.landing-input-row {
  display: flex;
  gap: 8px;
}
.landing-input {
  flex: 1;
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: 12px 14px;
  font-size: 16px;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  outline: none;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.landing-input::placeholder {
  text-transform: none;
  letter-spacing: normal;
  color: var(--color-text-tertiary);
}
.landing-input:focus {
  border-color: var(--color-border-secondary);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.landing-btn {
  background: var(--color-text-primary);
  color: var(--color-background-primary);
  border: none;
  border-radius: var(--border-radius-md);
  padding: 12px 18px;
  font-size: 14px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.1s;
  white-space: nowrap;
}
.landing-btn:hover { opacity: 0.85; }
.landing-btn:active { opacity: 0.7; }
.landing-btn.full { width: 100%; padding: 14px; font-size: 15px; }
.landing-error {
  font-size: 13px;
  color: var(--color-text-danger);
  margin-top: 10px;
  min-height: 18px;
}
.landing-created {
  display: none;
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  margin-top: 16px;
}
.landing-created-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.landing-code-display {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}
.landing-created-actions {
  display: flex;
  gap: 8px;
}
.landing-btn-secondary {
  background: var(--color-background-secondary);
  color: var(--color-text-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: 10px 16px;
  font-size: 14px;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background 0.1s;
}
.landing-btn-secondary:hover { background: var(--color-background-tertiary); }

/* ── Retro page — name entry ── */
.retro-name-entry {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 28px 24px;
}
.retro-name-entry h2 {
  font-size: 20px;
  font-weight: 500;
  margin: 0 0 6px;
}
.retro-name-entry .sub {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0 0 20px;
}
.retro-name-row {
  display: flex;
  gap: 8px;
}
.retro-name-input {
  flex: 1;
  background: var(--color-background-secondary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: 12px 14px;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  outline: none;
}
.retro-name-input:focus {
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}

/* ── Card game (existing styles) ── */
.retro-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.retro-stack { position: relative; height: 360px; }
.retro-card {
  position: absolute;
  inset: 0;
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  will-change: transform;
}
.retro-card:active { cursor: grabbing; }
.retro-card.dragging { transition: none; }
.retro-card-num { font-size: 12px; color: var(--color-text-tertiary); letter-spacing: 0.04em; }
.retro-card-text { font-size: 22px; font-weight: 500; line-height: 1.35; color: var(--color-text-primary); }
.retro-card-hint { font-size: 12px; color: var(--color-text-tertiary); display: flex; justify-content: space-between; }
.retro-overlay {
  position: absolute;
  top: 20px;
  padding: 6px 14px;
  border-radius: var(--border-radius-md);
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transition: opacity 0.1s;
  pointer-events: none;
}
.retro-overlay.agree { right: 20px; background: var(--color-background-success); color: var(--color-text-success); border: 0.5px solid var(--color-border-success); transform: rotate(8deg); }
.retro-overlay.disagree { left: 20px; background: var(--color-background-danger); color: var(--color-text-danger); border: 0.5px solid var(--color-border-danger); transform: rotate(-8deg); }
.retro-overlay.skip { left: 50%; top: 12px; transform: translateX(-50%); background: var(--color-background-secondary); color: var(--color-text-secondary); border: 0.5px solid var(--color-border-secondary); }
.retro-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}
.retro-btn {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: 12px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  transition: background 0.1s;
}
.retro-btn:hover { background: var(--color-background-secondary); }
.retro-btn:active { transform: scale(0.97); }
.retro-btn.disagree { color: var(--color-text-danger); }
.retro-btn.agree { color: var(--color-text-success); }
.retro-keys { text-align: center; font-size: 12px; color: var(--color-text-tertiary); margin-top: 10px; }

/* ── Waiting / done state ── */
.retro-waiting {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 32px 24px;
  text-align: center;
}
.retro-waiting h3 { font-size: 18px; font-weight: 500; margin: 0 0 16px; }
.retro-roster {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 24px;
  text-align: left;
}
.retro-roster-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--border-radius-md);
  border: 0.5px solid var(--color-border-tertiary);
  font-size: 14px;
}
.retro-roster-row.done {
  background: var(--color-background-success);
  border-color: var(--color-border-success);
}
.retro-roster-row.waiting {
  background: var(--color-background-secondary);
}
.retro-roster-icon {
  font-size: 13px;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  color: var(--color-text-tertiary);
}
.retro-roster-row.done .retro-roster-icon { color: var(--color-text-success); }
.retro-roster-name {
  flex: 1;
  font-weight: 500;
  color: var(--color-text-primary);
}
.retro-roster-status {
  font-size: 12px;
  color: var(--color-text-tertiary);
}
.retro-roster-row.done .retro-roster-status { color: var(--color-text-success); }
.retro-waiting-actions { display: flex; flex-direction: column; gap: 10px; align-items: center; }
.retro-show-results-btn {
  background: var(--color-text-primary);
  color: var(--color-background-primary);
  border: none;
  border-radius: var(--border-radius-md);
  padding: 12px 24px;
  font-size: 15px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.1s;
}
.retro-show-results-btn:hover { opacity: 0.85; }
.retro-waiting-hint { font-size: 12px; color: var(--color-text-tertiary); }

/* ── Results ── */
.retro-results { }
.retro-results-header {
  margin-bottom: 20px;
}
.retro-results-header h2 { font-size: 20px; font-weight: 600; margin: 0 0 4px; }
.retro-results-header p { font-size: 13px; color: var(--color-text-secondary); margin: 0; }

.retro-result-row {
  background: var(--color-background-primary);
  border: 0.5px solid var(--color-border-tertiary);
  border-radius: var(--border-radius-lg);
  padding: 16px 18px;
  margin-bottom: 10px;
}
.retro-result-statement {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.3;
}
.retro-result-bar {
  display: flex;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--color-background-secondary);
  margin-bottom: 10px;
  gap: 1px;
}
.retro-result-bar-agree {
  background: var(--color-text-success);
  opacity: 0.8;
  border-radius: 4px 0 0 4px;
  transition: flex 0.3s;
}
.retro-result-bar-disagree {
  background: var(--color-text-danger);
  opacity: 0.8;
  border-radius: 0 4px 4px 0;
  transition: flex 0.3s;
}
.retro-result-bar-skip {
  background: var(--color-text-tertiary);
  opacity: 0.5;
  transition: flex 0.3s;
}
.retro-result-names {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}
.retro-result-chip {
  font-size: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  font-weight: 500;
}
.retro-result-chip.agree {
  background: var(--color-background-success);
  color: var(--color-text-success);
  border: 0.5px solid var(--color-border-success);
}
.retro-result-chip.disagree {
  background: var(--color-background-danger);
  color: var(--color-text-danger);
  border: 0.5px solid var(--color-border-danger);
}
.retro-result-chip.skip {
  background: var(--color-background-secondary);
  color: var(--color-text-tertiary);
  border: 0.5px solid var(--color-border-tertiary);
}
.retro-result-empty {
  font-size: 12px;
  color: var(--color-text-tertiary);
  font-style: italic;
}
.retro-restart-btn {
  margin-top: 16px;
  width: 100%;
  background: none;
  border: 0.5px solid var(--color-border-secondary);
  border-radius: var(--border-radius-md);
  padding: 12px;
  font-size: 14px;
  font-family: var(--font-sans);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background 0.1s;
}
.retro-restart-btn:hover { background: var(--color-background-secondary); }

/* ── State visibility helpers ── */
[data-state] { display: none; }
[data-state].active { display: block; }