: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;
  --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);
}

* {
  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%, 980px);
  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);
  transition:
    color 120ms ease,
    border-color 120ms ease,
    background 120ms ease,
    transform 120ms ease;
}

.back-link:hover {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 30%, rgba(255, 255, 255, 0.08));
  background: color-mix(in srgb, var(--accent) 12%, rgba(255, 255, 255, 0.04));
}

.back-link:active {
  transform: translateY(1px);
}

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

h1,
h2,
p {
  margin: 0;
}

h1 {
  margin-top: 12px;
  font-size: clamp(2.8rem, 6.4vw, 4.2rem);
  line-height: 0.94;
  text-align: center;
}

.intro {
  margin: 14px auto 0;
  max-width: 52ch;
  text-align: center;
  color: var(--muted);
  line-height: 1.45;
}

.picker-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.68fr);
  gap: 18px;
  align-items: start;
  margin-top: 16px;
}

.result-wrap {
  position: relative;
}

.result-chip {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  min-width: 180px;
  padding: 10px 12px;
  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);
}

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

.result-chip strong {
  display: block;
  margin-top: 4px;
  font-size: 1.05rem;
}

.result-board {
  min-height: min(520px, calc(100dvh - 240px));
  display: grid;
  place-items: center;
  padding: 88px 28px 28px;
  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 42%),
    #140b17;
  box-shadow:
    inset 0 0 50px var(--board-glow),
    0 20px 35px rgba(0, 0, 0, 0.38);
}

.result-card {
  width: min(100%, 430px);
  padding: 28px 24px;
  text-align: center;
  border-radius: 28px;
  background:
    radial-gradient(circle at top, color-mix(in srgb, var(--accent) 14%, transparent), transparent 70%),
    rgba(22, 10, 28, 0.76);
  border: 1px solid color-mix(in srgb, var(--accent-2) 22%, rgba(255, 255, 255, 0.08));
  box-shadow:
    0 18px 38px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.result-card h2 {
  margin-top: 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.config-panel {
  display: grid;
  gap: 14px;
}

.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__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.config-card__label {
  font-size: 1rem;
  color: var(--text);
}

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

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

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

.entries-input {
  width: 100%;
  min-height: 320px;
  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);
}

.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;
}

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

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);
}

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

.icon-button {
  display: grid;
  place-items: center;
  padding-inline: 0;
}

.icon-button--small {
  width: 40px;
  height: 40px;
  min-width: 40px;
  padding: 0;
}

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

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

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

  .result-board {
    min-height: min(440px, calc(100dvh - 320px));
  }
}

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

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

  .result-chip {
    min-width: 150px;
  }

  .entries-input {
    min-height: 240px;
  }

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