:root {
  color-scheme: dark;
  --bg-1: #120712;
  --bg-2: #261127;
  --panel: rgba(20, 10, 22, 0.88);
  --panel-border: rgba(255, 120, 174, 0.2);
  --text: #ffe7f1;
  --muted: #c9a7ba;
  --accent: #ff4f93;
  --accent-2: #ff8fb7;
  --theme-tab-bg: rgba(255, 255, 255, 0.04);
  --theme-tab-active: rgba(255, 79, 147, 0.2);
  --theme-tab-border: rgba(255, 255, 255, 0.08);
  --theme-tab-glow: rgba(255, 79, 147, 0.28);
  --chip-bg: rgba(18, 10, 26, 0.58);
  --chip-border: rgba(255, 255, 255, 0.08);
  --card-bg: rgba(255, 255, 255, 0.04);
  --board-glow: rgba(255, 79, 147, 0.08);
  --board-top-glow: rgba(255, 68, 129, 0.16);
  --board-shadow: 0 24px 60px rgba(0, 0, 0, 0.42);
  --status-flash: #ffd8a8;
  --status-flash-shadow: rgba(255, 192, 132, 0.55);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, color-mix(in srgb, var(--accent) 35%, transparent), transparent 30%),
    linear-gradient(180deg, var(--bg-2), var(--bg-1) 48%, #09050b);
  color: var(--text);
}

body {
  min-height: 100vh;
  min-height: 100dvh;
}

.app {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 8px 12px 10px;
}

.panel {
  width: min(100%, 1100px);
  max-height: calc(100dvh - 16px);
  padding: 18px 20px 14px;
  border: 1px solid var(--panel-border);
  border-radius: 34px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01)),
    var(--panel);
  box-shadow: var(--board-shadow);
  backdrop-filter: blur(12px);
  overflow: hidden;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

.eyebrow,
.overlay__eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  color: var(--accent-2);
}

h1,
h2,
.legend,
#result-copy,
#start-copy,
.board-chip__label,
.config-card__label {
  margin: 0;
}

h1 {
  margin-top: 12px;
  font-size: clamp(2.8rem, 6vw, 4.3rem);
  line-height: 0.94;
  text-align: center;
}

.theme-switcher {
  margin-top: 12px;
}

.theme-rail {
  position: relative;
  padding: 12px 0 10px;
}

.theme-rail::before,
.theme-rail::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--accent) 45%, rgba(255, 255, 255, 0.1)), transparent);
}

.theme-rail::before {
  top: 0;
}

.theme-rail::after {
  bottom: 0;
}

.theme-tabs {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 6px 2px;
  scrollbar-width: thin;
}

.theme-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: auto;
  padding: 12px 20px;
  border-radius: 999px;
  border: 1px solid var(--theme-tab-border);
  background: var(--theme-tab-bg);
  color: var(--muted);
  cursor: pointer;
}

.theme-tab.is-active {
  color: var(--text);
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    linear-gradient(180deg, var(--theme-tab-active), rgba(255, 255, 255, 0.06));
  border-color: color-mix(in srgb, var(--accent) 40%, rgba(255, 255, 255, 0.1));
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--accent-2) 15%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent) 16%, transparent),
    0 0 26px var(--theme-tab-glow);
}

.wheel-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.78fr);
  gap: 18px;
  align-items: start;
  margin-top: 14px;
}

.board-wrap {
  position: relative;
  width: min(100%, calc(100dvh - 240px), 640px);
  margin-inline: auto;
}

.board-hud {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: flex;
  gap: 10px;
  pointer-events: none;
}

.board-chip {
  min-width: 112px;
  padding: 9px 11px;
  border-radius: 16px;
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(10px);
}

.board-chip__label {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.board-chip strong {
  display: block;
  margin-top: 4px;
  font-size: 1rem;
}

.pointer {
  position: absolute;
  left: 50%;
  top: 40px;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 18px solid transparent;
  border-right: 18px solid transparent;
  border-top: 34px solid color-mix(in srgb, var(--accent-2) 90%, white 10%);
  filter:
    drop-shadow(0 0 12px color-mix(in srgb, var(--accent) 28%, transparent))
    drop-shadow(0 2px 0 rgba(22, 8, 22, 0.55));
  z-index: 3;
}

canvas {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  display: block;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 21px),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 21px),
    radial-gradient(circle at top, var(--board-top-glow), transparent 40%),
    #140b17;
  box-shadow:
    inset 0 0 50px var(--board-glow),
    0 20px 35px rgba(0, 0, 0, 0.38);
}

.board-wrap--flash canvas {
  box-shadow:
    inset 0 0 70px color-mix(in srgb, var(--accent) 25%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent-2) 30%, transparent),
    0 18px 40px rgba(0, 0, 0, 0.4),
    0 0 28px color-mix(in srgb, var(--accent) 30%, transparent);
}

.config-panel {
  display: grid;
  gap: 12px;
}

.config-card {
  padding: 14px;
  border-radius: 22px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.config-card__head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.config-card__label {
  font-size: 0.92rem;
  color: var(--text);
}

.segment-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.segment-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
}

.segment-button {
  width: auto;
  min-width: 54px;
  padding: 9px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  cursor: pointer;
}

.segment-button:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 24%, rgba(255, 255, 255, 0.12));
}

.segment-button.is-active {
  color: var(--text);
  background:
    radial-gradient(circle at center, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    linear-gradient(180deg, var(--theme-tab-active), rgba(255, 255, 255, 0.06));
  border-color: color-mix(in srgb, var(--accent) 40%, rgba(255, 255, 255, 0.1));
  box-shadow: 0 0 22px var(--theme-tab-glow);
}

.segment-button--ghost {
  min-width: 52px;
  padding-inline: 0;
  color: var(--text);
  display: grid;
  place-items: center;
}

.segment-button__icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
  opacity: 0.92;
}

.entry-count {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.entries-input {
  width: 100%;
  min-height: 280px;
  margin-top: 12px;
  padding: 12px 14px;
  resize: none;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(12, 7, 16, 0.56);
  color: var(--text);
  font: inherit;
  line-height: 1.45;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.preset-name-input {
  width: 100%;
  margin-top: 12px;
  padding: 11px 13px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(12, 7, 16, 0.56);
  color: var(--text);
  font: inherit;
}

.preset-name-input:focus {
  outline: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
}

.preset-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}

.preset-action-button {
  width: 100%;
  padding: 10px 14px;
}

.preset-action-button--ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.preset-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.preset-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
}

.preset-item__copy {
  min-width: 0;
}

.preset-item__name {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preset-item__meta {
  display: block;
  margin-top: 3px;
  font-size: 0.75rem;
  color: var(--muted);
}

.preset-item__load {
  width: auto;
  min-width: 74px;
  padding: 8px 12px;
  box-shadow: none;
}

.preset-list__empty {
  color: var(--muted);
  font-size: 0.82rem;
}

.entries-input:focus {
  outline: 1px solid color-mix(in srgb, var(--accent) 42%, transparent);
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
}

.validation-text {
  margin: 10px 2px 0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.validation-text.is-error {
  color: #ffb3c6;
}

.validation-text.is-valid {
  color: #b7f1c6;
}

.validation-text.is-info {
  color: color-mix(in srgb, var(--accent-2) 78%, white);
}

.entry-count.is-valid {
  color: #b7f1c6;
}

.entry-count.is-error {
  color: #ffb3c6;
}

.actions {
  display: flex;
  justify-content: stretch;
}

button {
  padding: 13px 22px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-weight: 700;
  color: #fff5fb;
  cursor: pointer;
  background: linear-gradient(180deg, var(--accent), color-mix(in srgb, var(--accent) 74%, black));
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 26%, transparent);
}

.actions button,
.overlay__card button {
  width: 100%;
}

button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  box-shadow: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: 30px;
  background: rgba(4, 1, 6, 0.38);
  backdrop-filter: blur(2px);
}

.hidden {
  display: none;
}

.overlay__card {
  position: relative;
  width: min(100%, 380px);
  padding: 22px 22px 18px;
  text-align: center;
  border-radius: 24px;
  background: rgba(18, 7, 18, 0.9);
  border: 1px solid color-mix(in srgb, var(--accent-2) 22%, transparent);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.35);
}

#result-title {
  margin-top: 10px;
  font-size: clamp(2rem, 3.6vw, 2.55rem);
  line-height: 1.03;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

#result-copy,
#start-copy {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.45;
}

#result-copy[hidden] {
  display: none;
}

.overlay__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 1.2rem;
  line-height: 1;
  box-shadow: none;
}

.legend {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.legend strong {
  color: var(--text);
}

@media (max-width: 900px) {
  .wheel-layout {
    grid-template-columns: 1fr;
  }

  .board-wrap {
    width: min(100%, calc(100dvh - 320px), 620px);
  }
}

@media (max-width: 720px) {
  .panel {
    padding-inline: 14px;
    border-radius: 28px;
  }

  .back-link {
    font-size: 0.82rem;
    padding: 7px 10px;
  }

  .board-wrap {
    width: min(100%, calc(100dvh - 356px), 100%);
  }

  .board-hud {
    flex-wrap: wrap;
  }

  .segment-row {
    flex-wrap: wrap;
  }

  .entries-input {
    min-height: 220px;
  }

  .preset-actions {
    grid-template-columns: 1fr;
  }

  .legend {
    flex-direction: column;
  }
}