:root {
  --bg: #0b0e14;
  --bg-elevated: #0b1016;
  --bg-panel: #111822;
  --border-soft: #222b38;
  --text-main: #e5ecf5;
  --text-muted: #9aa4b5;
  --accent: #4fd1ff;
  --accent-soft: rgba(79, 209, 255, 0.12);
  --danger: #ff4b6a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  height: 100dvh;
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  background:
    linear-gradient(140deg, rgba(79, 209, 255, 0.07), transparent 45%),
    #070b11;
  color: var(--text-main);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  overflow: hidden;
}

#controlPanel,
#outputPanel {
  background: linear-gradient(180deg, #05070a 0, #0b1016 100%);
  padding: 0.75rem;
  overflow-y: auto;
}

#controlPanel {
  border-right: 1px solid var(--border-soft);
}

#outputPanel {
  border-left: 1px solid var(--border-soft);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#controlPanel h3,
#outputPanel h2 {
  margin: 0.6rem 0 0.4rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

#outputPanel h3 {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

#controlPanel h4 {
  margin: 0.15rem 0 0.55rem;
  font-size: 0.95rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#controlPanel > h3:first-of-type {
  margin-top: 0.45rem;
  color: var(--text-main);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: none;
}

#terrainTools,
#tokenTools {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.4rem;
  margin-bottom: 0.7rem;
}

.terrain-button,
.token-button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.35rem 0.3rem;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--bg-panel);
  color: var(--text-main);
  cursor: pointer;
  text-align: center;
  font-size: 0.68rem;
  transition: border-color 0.15s, background 0.15s, transform 0.12s;
}

.terrain-button:hover,
.token-button:hover {
  border-color: var(--accent);
  background: var(--bg-elevated);
  transform: translateY(-1px);
}

.terrain-button.selected,
.token-button.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.terrain-swatch,
.token-swatch {
  width: 18px;
  height: 18px;
  border: 1px solid #5a667a;
  border-radius: 4px;
  margin-bottom: 0.35rem;
  box-shadow: 0 0 10px rgba(79, 209, 255, 0.18);
}

.terrain-glyph,
.token-glyph {
  font-size: 0.68rem;
  line-height: 1;
  font-weight: 700;
  color: #dbe8f8;
  margin-bottom: 0.2rem;
  text-shadow: 0 0 8px rgba(79, 209, 255, 0.35);
}

#controlPanel button {
  width: 100%;
  margin: 0 0 0.35rem;
  padding: 0.5rem 0.58rem;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--bg-panel);
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

#controlPanel button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-elevated);
}

.dice-icon {
  margin-right: 0.4rem;
}

#diceRoller {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  margin-bottom: 0.45rem;
}

#diceRoller .dice-inputs {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.25rem 0.35rem;
  align-items: center;
}

#diceRoller label {
  font-size: 0.66rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  text-align: right;
}

#diceRoller input {
  width: 100%;
  padding: 0.28rem 0.36rem;
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  background: #0d131d;
  color: var(--text-main);
}

#rollDiceBtn {
  width: 88px !important;
  margin: 0 !important;
  padding: 0.42rem 0.35rem !important;
  height: 100%;
}

#controlPanel .img {
  max-width: 170px;
  margin: 0 auto 0.35rem;
}

#diceRoller button {
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  background: var(--bg-panel);
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

#diceRoller button:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--bg-elevated);
}

#boardContainer {
  position: relative;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at center, rgba(79, 209, 255, 0.06), transparent 60%),
    #03070e;
  overflow: hidden;
}

#boardContainer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
}

#boardCanvas {
  position: relative;
  z-index: 1;
  background: #0b111a;
  border: 1px solid #334257;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.45);
  max-width: calc(100% - 1rem);
  max-height: calc(100% - 1rem);
  touch-action: none;
  user-select: none;
}

#outputPanel h2 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  color: var(--accent);
  font-size: 0.82rem;
}

#outputLog {
  background: #0b121c;
  border: 1px solid var(--border-soft);
  border-radius: 6px;
  min-height: 0;
  max-height: none;
  flex: 1;
  padding: 0.65rem;
  overflow-y: auto;
  font-size: 0.78rem;
}

#outputLog div {
  padding: 0.22rem 0.28rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  color: #c8d4e3;
}

#outputLog div:last-child {
  border-bottom: 0;
}

.output-log-entry.log-roll-header {
  background: rgba(79, 209, 255, 0.1);
  border-left: 3px solid var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.output-log-entry.log-roll-meta {
  color: #d5e6fb;
  font-size: 0.75rem;
}

.output-log-entry.log-roll {
  background: rgba(255, 255, 255, 0.03);
  border-left: 2px solid rgba(79, 209, 255, 0.35);
  font-weight: 600;
}

.output-log-entry.log-roll .roll-value {
  color: #ffffff;
  font-weight: 700;
}

.output-log-entry.log-roll .log-hit {
  color: #ff4b6a;
  font-weight: 800;
}

.output-log-entry.log-roll .log-miss {
  color: #4fd1ff;
  font-weight: 800;
}

.output-log-entry.log-roll-total {
  background: rgba(79, 227, 154, 0.12);
  border-left: 3px solid #4fe39a;
  font-weight: 700;
}

.output-divider {
  border: 0;
  border-top: 1px solid var(--border-soft);
  margin: 0.55rem 0;
}

#cardPanel {
  position: absolute;
  right: 0.9rem;
  bottom: 0.9rem;
  width: 280px;
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  background: var(--bg-panel);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.45);
  z-index: 20;
}

#cardPanelHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border-soft);
  background: #0d141f;
  cursor: pointer;
}

#cardPanelHeader:hover {
  background: #111b2a;
}

#cardPanelHeader .panel-title {
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-main);
}

#cardPanelHeader .panel-toggle {
  color: var(--accent);
  font-size: 0.78rem;
  transition: transform 0.2s ease;
}

#cardPanelBody {
  max-height: 220px;
  overflow-y: auto;
  transition: max-height 0.25s ease;
}

#cardPanel.collapsed #cardPanelBody {
  max-height: 0;
  overflow: hidden;
}

#cardPanel.collapsed .panel-toggle {
  transform: rotate(-90deg);
}

#cardHand {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.65rem;
}

.card {
  width: 84px;
  height: 118px;
  border: 1px solid #41526b;
  border-radius: 5px;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  transition: transform 0.15s, border-color 0.15s;
}

.card:hover {
  transform: translateY(-2px) scale(1.03);
  border-color: var(--accent);
}

@media (max-width: 1250px) {
  body {
    grid-template-columns: 270px 1fr;
    grid-template-rows: 1fr auto;
  }

  #outputPanel {
    grid-column: 1 / -1;
    border-left: 0;
    border-top: 1px solid var(--border-soft);
    max-height: 200px;
    padding-top: 0.6rem;
  }

  #outputLog {
    min-height: 0;
    max-height: none;
  }
}

@media (max-width: 900px) {
  body {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(420px, 1fr) auto;
  }

  #controlPanel {
    border-right: 0;
    border-bottom: 1px solid var(--border-soft);
    max-height: 38vh;
    padding-top: 0.6rem;
  }

  #outputPanel {
    border-top: 1px solid var(--border-soft);
    max-height: none;
  }

  #outputLog {
    min-height: 120px;
    max-height: 160px;
  }

  #cardPanel {
    width: min(280px, calc(100% - 1rem));
    right: 0.5rem;
    bottom: 0.5rem;
  }

  #terrainTools,
  #tokenTools {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}