@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;600;700;800&display=swap');

:root {
  --ink: #202a36;
  --muted: #687384;
  --paper: #f7f8fa;
  --panel: #ffffff;
  --line: #dce2e9;
  --accent: #4682b4;
  --shadow: 0 18px 55px rgba(31, 45, 61, 0.12);
}

/* Grundeinstellungen */

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  background: radial-gradient(
    circle at 10% 0%,
    #e9f1f7 0,
    #f7f8fa 35%,
    #eef1f5 100%
  );
  font-family: Manrope, sans-serif;
}

button {
  padding: 11px 14px;
  border: 0;
  border-radius: 8px;
  color: #ffffff;
  background: var(--accent);
  font: 700 12px Manrope, sans-serif;
  cursor: pointer;
  transition: filter 0.18s ease, transform 0.18s ease;
}

button:hover {
  filter: brightness(0.92);
  transform: translateY(-1px);
}

button.secondary {
  background: #64748b;
}

/* Seitenlayout */

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px 28px 56px;
}

.title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.title-row h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -0.05em;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font: 500 12px "DM Mono", monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.subtitle {
  max-width: 430px;
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(530px, 1fr) 330px;
  align-items: start;
  gap: 28px;
}

/* Karten und Schachbrett */

.card {
  padding: 24px;
  border: 1px solid rgba(220, 226, 233, 0.9);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.board-wrap {
  display: flex;
  justify-content: center;
  margin: 6px 0 25px;
}

.board-svg {
  display: block;
  width: min(100%, 570px);
  height: auto;
  filter: drop-shadow(0 12px 15px rgba(42, 57, 72, 0.16));
}

/* Figurenauswahl */

.palette {
  padding-top: 21px;
  border-top: 1px solid var(--line);
}

.palette h2,
.legend h2 {
  margin: 0 0 12px;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.palette-row {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 10px;
}

.piece-palettes {
  flex: 1;
  min-width: 0;
}

/* Figuren linksbündig anordnen */
.piece-palettes .piece-row {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.piece-choice {
  width: 55px;
  height: 55px;
  padding: 4px;
  border: 1px solid color-mix(in srgb, var(--accent) 72%, white);
  border-radius: 11px;
  color: #ffffff;
  background: var(--accent);
  cursor: pointer;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.piece-choice:hover,
.piece-choice.selected {
  border-color: var(--accent);
  box-shadow: 0 5px 12px rgba(70, 130, 180, 0.2);
  transform: translateY(-2px);
}

.piece-choice.selected {
  outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent);
  box-shadow: 0 6px 15px color-mix(in srgb, var(--accent) 30%, transparent);
  transform: translateY(-2px) scale(1.05);
}

.piece-choice img {
  width: 100%;
  height: 100%;
}

/* Auswahlvorschau */

.preview {
  flex: 0 0 215px;
  min-height: auto;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #f8fafc;
}

/* Aktionsbuttons und Status */

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 17px;
}

.status {
  margin-top: 16px;
  color: var(--muted);
  font: 11px "DM Mono", monospace;
}

/* Legende und Export */

.legend {
  position: sticky;
  top: 24px;
}

.legend h2 {
  font-size: 21px;
  letter-spacing: -0.04em;
}

.legend-intro {
  margin-top: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.legend .rule {
  display: grid;
  grid-template-columns: 34px 1fr;
  align-items: start;
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.key {
  padding: 6px 4px;
  border-radius: 7px;
  color: var(--accent);
  background: #edf5fa;
  font: 500 10px "DM Mono", monospace;
  text-align: center;
}

.rule strong {
  font-size: 13px;
}

.rule p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.exports {
  margin-top: 8px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.exports button {
  width: 100%;
  margin-top: 9px;
}

/* Beschriftungen im SVG-Brett */

.svg-label {
  fill: var(--label-color, #505050);
  font: 600 13px Manrope, sans-serif;
}

/* Responsive Layout */

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

  .legend {
    position: static;
  }

  .board-svg {
    max-width: 570px;
  }
}

@media (max-width: 600px) {
  .app {
    padding: 25px 14px;
  }

  .card {
    padding: 15px;
  }

  .title-row {
    display: block;
  }

  .subtitle {
    margin-top: 12px;
  }

  .board-wrap {
    margin-right: -4px;
    margin-left: -4px;
  }

  .piece-choice {
    width: 48px;
    height: 48px;
  }

  .palette-row {
    flex-direction: column;
  }

  .preview {
    width: 100%;
    flex-basis: auto;
  }
}

.palette-row {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
}

.piece-palettes {
  order: 0;
}

.palette-row .preview {
  order: 1;
}

.piece-palettes .piece-row {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
}