:root {
  color-scheme: light;
  --primary: #2f80ed;
  --primary-hover: #256fd0;
  --warning: #ff7a59;
  --warning-hover: #f16443;
  --success: #c2e5d3;
  --success-strong: #24704d;
  --accent-line: rgba(47, 128, 237, 0.18);
  --bg-canvas: #fafafa;
  --bg-surface: #ffffff;
  --text-primary: #101828;
  --text-secondary: #475467;
  --border-subtle: #eaecf0;
  --border-strong: #d0d5dd;
  --glass-surface: rgba(255, 255, 255, 0.75);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-sm: 0 4px 12px rgba(16, 24, 40, 0.06);
  --radius-md: 8px;
  --radius-lg: 16px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg-canvas: #0f0f13;
    --bg-surface: #1c1c21;
    --text-primary: #fdfbf7;
    --text-secondary: #98a2b3;
    --border-subtle: #333741;
    --border-strong: #475467;
    --success: #203b31;
    --success-strong: #a7dbc2;
    --accent-line: rgba(47, 128, 237, 0.32);
    --glass-surface: rgba(28, 28, 33, 0.75);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.38);
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.24);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  position: relative;
  margin: 0;
  background:
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(180deg, var(--border-subtle) 1px, transparent 1px),
    linear-gradient(135deg, transparent 0 72%, rgba(194, 229, 211, 0.18) 72% 100%),
    var(--bg-canvas);
  background-size: 4rem 4rem, 4rem 4rem, auto, auto;
  color: var(--text-primary);
  font-family: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: var(--text-base);
  line-height: 1.5;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--primary), var(--warning) 52%, var(--success));
  pointer-events: none;
}

button,
input,
textarea,
select {
  font: inherit;
  min-width: 0;
}

button {
  min-width: 48px;
  min-height: 48px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #ffffff;
  cursor: pointer;
  padding: 0 var(--space-md);
  font-weight: 700;
  transition: background 140ms ease, border-color 140ms ease, transform 100ms ease, box-shadow 140ms ease;
}

button:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

button:active {
  transform: scale(0.98);
}

button.secondary {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
}

button.secondary:hover {
  background: var(--bg-surface);
  border-color: var(--primary);
}

button.danger {
  background: var(--warning);
  border-color: var(--warning);
}

button.danger:hover {
  background: var(--warning-hover);
  border-color: var(--warning-hover);
}

button.small {
  min-height: 48px;
  padding: 0 var(--space-md);
  font-size: var(--text-sm);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

button:disabled:hover {
  background: var(--primary);
  border-color: var(--primary);
}

button.secondary:disabled:hover {
  background: transparent;
  border-color: var(--border-strong);
}

button.danger:disabled:hover {
  background: var(--warning);
  border-color: var(--warning);
}

input,
textarea,
select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.6875rem 0.75rem;
  outline: 2px solid transparent;
  outline-offset: 2px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  outline-color: var(--primary);
}

textarea {
  min-height: 8rem;
  resize: vertical;
}

a {
  color: var(--primary);
  font-weight: 700;
  text-underline-offset: 0.18rem;
}

.shell {
  display: grid;
  gap: var(--space-md);
  min-height: 100vh;
  padding: var(--space-md);
}

.sidebar {
  display: grid;
  gap: var(--space-md);
  align-content: start;
  border: 1px solid var(--border-subtle);
  border-top: 3px solid var(--primary);
  border-radius: var(--radius-lg);
  background: var(--glass-surface);
  color: var(--text-primary);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--warning));
  color: #ffffff;
  font-family: "Space Grotesk", sans-serif;
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1;
}

.small-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  font-size: var(--text-base);
}

.brand {
  margin: 0;
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.3;
}

.tagline,
.brand-note {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.brand-note {
  padding-left: 56px;
  font-weight: 700;
}

.mini-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1.5;
  text-transform: uppercase;
}

.nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-sm);
}

.nav button {
  width: 100%;
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-secondary);
  box-shadow: none;
  padding: 0 var(--space-sm);
  font-size: var(--text-sm);
}

.nav button.active,
.nav button:hover {
  background: var(--bg-surface);
  border-color: var(--primary);
  color: var(--primary);
}

.main {
  min-width: 0;
}

.grid {
  display: grid;
  gap: var(--space-md);
}

.stack {
  display: grid;
  gap: var(--space-md);
  align-content: start;
}

.card {
  position: relative;
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
}

.card::before {
  content: "";
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 2rem;
  height: 2px;
  background: var(--accent-line);
}

.card h2,
.card h3 {
  margin: 0;
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.card h2 {
  font-size: var(--text-2xl);
  line-height: 1.4;
}

.card h3 {
  font-size: var(--text-xl);
  line-height: 1.5;
}

.room-card.is-live,
.active-vote-card,
.feature-item.active {
  background: var(--glass-surface);
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.field {
  display: grid;
  gap: var(--space-sm);
}

.field label {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 700;
}

.row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.link-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.link-row a {
  overflow-wrap: anywhere;
}

.between {
  justify-content: space-between;
}

.card > .row.between,
.room-card > .row.between,
.active-vote-card > .row.between {
  align-items: flex-start;
}

.card > .row.between > div,
.room-card > .row.between > div,
.active-vote-card > .row.between > div {
  min-width: 0;
}

.join-screen .card > .row.between {
  display: grid;
  grid-template-columns: 1fr;
}

.muted {
  color: var(--text-secondary);
}

.error,
.success {
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  font-weight: 700;
}

.error {
  background: rgba(255, 122, 89, 0.12);
  border: 1px solid var(--warning);
  color: var(--text-primary);
}

.success {
  background: var(--success);
  border: 1px solid rgba(36, 112, 77, 0.22);
  color: var(--text-primary);
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border: 1px solid rgba(36, 112, 77, 0.18);
  border-radius: 999px;
  background: var(--success);
  color: var(--text-primary);
  padding: 0 var(--space-md);
  font-size: var(--text-xs);
  font-weight: 700;
}

.feature-list {
  display: grid;
  gap: var(--space-md);
}

.feature-item {
  display: grid;
  gap: var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-md);
}

.feature-item > .row.between {
  align-items: flex-start;
}

.feature-item > .row.between > div:first-child {
  min-width: 0;
  flex: 1 1 14rem;
}

.feature-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(6.5rem, 1fr));
  width: 100%;
}

.feature-controls input,
.feature-controls button {
  width: 100%;
}

.feature-item strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.participants {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
  align-content: start;
}

.voter-roster {
  display: grid;
  gap: var(--space-md);
}

.voter-roster h3 {
  margin: 0;
}

.participant {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-md);
  min-height: 76px;
}

.participant strong {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-width: 0;
}

.participant-emoji {
  display: inline-grid;
  flex: 0 0 32px;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-canvas);
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: var(--text-base);
}

.participant-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.participant.voted {
  border-color: rgba(36, 112, 77, 0.28);
  background: var(--success);
}

.participant.voted p,
.participant.voted .muted {
  color: var(--success-strong);
}

.scale-options {
  display: grid;
  gap: var(--space-sm);
}

.scale-library {
  display: grid;
  gap: var(--space-sm);
  max-height: 32rem;
  overflow: auto;
  padding-right: var(--space-xs);
}

.scale-card {
  display: grid;
  gap: var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  padding: var(--space-md);
}

.scale-card.selected {
  border-color: var(--primary);
  background: var(--glass-surface);
  box-shadow: var(--shadow-sm);
}

.scale-card > div {
  min-width: 0;
}

.scale-preview {
  margin-top: var(--space-sm);
}

.scale-preview span {
  overflow-wrap: anywhere;
}

.scale-picker {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
}

.emoji-field {
  position: relative;
}

.emoji-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-sm);
  width: 100%;
  background: var(--bg-surface);
  border-color: var(--border-strong);
  color: var(--text-primary);
  text-align: left;
}

.emoji-preview {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-canvas);
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: var(--text-base);
}

.emoji-menu {
  display: grid;
  gap: var(--space-md);
  width: 100%;
  max-height: 22rem;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  background: var(--glass-surface);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
  padding: var(--space-sm);
}

.emoji-group {
  display: grid;
  gap: var(--space-sm);
}

.emoji-group-label {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
  gap: var(--space-sm);
}

.emoji-choice {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  padding: 0;
  background: var(--bg-surface);
  border-color: var(--border-subtle);
  color: var(--text-primary);
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  font-size: var(--text-xl);
}

.emoji-choice:hover,
.emoji-choice.selected {
  background: rgba(255, 122, 89, 0.12);
  border-color: var(--warning);
}

.vote-option {
  width: 100%;
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: var(--space-md);
  min-height: 64px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: var(--space-sm);
  text-align: left;
}

.vote-option:hover {
  background: var(--bg-surface);
  border-color: var(--primary);
}

.vote-option.selected {
  background: rgba(255, 122, 89, 0.12);
  border-color: var(--warning);
}

.score {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
}

.vote-option.selected .score {
  background: var(--warning);
  color: #ffffff;
}

.bars {
  display: grid;
  gap: var(--space-sm);
}

.bar-row {
  display: grid;
  grid-template-columns: 2rem 1fr 2.25rem;
  align-items: center;
  gap: var(--space-sm);
}

.bar-track {
  height: 0.75rem;
  border-radius: 999px;
  background: var(--border-subtle);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--primary);
}

.metric {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-sm);
}

.metric div {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  background: var(--bg-surface);
}

.metric strong {
  display: block;
  color: var(--text-primary);
  font-family: "Space Grotesk", sans-serif;
  font-size: var(--text-2xl);
  line-height: 1.4;
}

.empty-state {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(90deg, var(--accent-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--accent-line) 1px, transparent 1px),
    var(--bg-surface);
  background-size: 2rem 2rem;
  color: var(--text-secondary);
  padding: var(--space-lg);
  text-align: center;
}

.join-screen {
  display: grid;
  gap: var(--space-md);
  width: calc(100vw - (var(--space-md) * 2));
  max-width: 22.375rem;
  margin: 0 auto;
  padding: var(--space-md) 0;
  overflow-x: hidden;
}

@keyframes pulse {
  50% {
    opacity: 0.55;
  }
}

@media (min-width: 768px) {
  .shell {
    padding: var(--space-xl);
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
  }

  .participants {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .join-screen {
    width: 100%;
    max-width: 45rem;
    padding: var(--space-xl);
  }

  .join-screen .card > .row.between {
    display: flex;
  }
}

@media (min-width: 1024px) {
  .shell {
    grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
  }

  .sidebar {
    position: sticky;
    top: var(--space-xl);
    min-height: calc(100vh - (var(--space-xl) * 2));
  }

  .nav {
    grid-template-columns: 1fr;
  }

  .main {
    min-width: 0;
  }

  .card {
    padding: var(--space-lg);
  }

  .card::before {
    top: var(--space-lg);
    right: var(--space-lg);
  }

  .feature-controls {
    flex: 0 0 auto;
    grid-template-columns: 5.625rem auto auto auto;
    width: auto;
  }

  .scale-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .participants {
    grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  }
}