@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg:       #000000;
  --surface:  rgba(8, 8, 12, 0.92);
  --border:   rgba(255,255,255,0.08);
  --accent:   #b8ff00;
  --accent2:  #00c8ff;
  --danger:   #ff4444;
  --text:     #cccccc;
  --muted:    #555555;
  --mono:     'Space Mono', monospace;
}

body {
  background: var(--bg);
  overflow: hidden;
  font-family: var(--mono);
  cursor: crosshair;
  user-select: none;
}

#canvas {
  display: block;
  position: fixed;
  inset: 0;
}

/* ── TITLE ──────────────────────────────────────────────────── */
#title-panel {
  position: fixed;
  top: 20px;
  left: 24px;
  pointer-events: none;
  z-index: 10;
}

#title-panel h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 10px;
  color: var(--accent);
  line-height: 1;
}

#title-panel .sub {
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: 3px;
}

/* ── STATS (top right) ──────────────────────────────────────── */
#stats-panel {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  backdrop-filter: blur(16px);
  z-index: 10;
  min-width: 170px;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 5px;
}
.stat-row:last-child { margin-bottom: 0; }

.stat-label {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

.stat-val {
  font-size: 11px;
  color: var(--accent);
  font-weight: 700;
}

.stat-sep {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

/* ── SELECTED PLANET PANEL ──────────────────────────────────── */
#sel-panel {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 20px;
  backdrop-filter: blur(16px);
  z-index: 10;
  display: none;
  flex-direction: row;
  align-items: center;
  gap: 24px;
  font-size: 10px;
}

#sel-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent2);
  letter-spacing: 2px;
  min-width: 80px;
}

.sel-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.sel-field .lbl {
  font-size: 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.sel-field .val {
  font-size: 11px;
  color: var(--text);
}

#sel-del {
  background: transparent;
  border: 1px solid rgba(255,68,68,0.3);
  border-radius: 4px;
  color: var(--danger);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 1px;
  padding: 5px 10px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all 0.15s;
}
#sel-del:hover { background: rgba(255,68,68,0.15); }

/* ── BOTTOM PANEL ───────────────────────────────────────────── */
#bottom-panel {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  padding: 14px 24px 18px;
  backdrop-filter: blur(20px);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
}

/* ── CONTROL GROUPS ─────────────────────────────────────────── */
.ctrl-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ctrl-group label {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

.ctrl-group .row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ctrl-group .val {
  font-size: 10px;
  color: var(--accent);
  min-width: 28px;
  text-align: right;
}

input[type=range] {
  -webkit-appearance: none;
  width: 90px;
  height: 2px;
  background: var(--border);
  outline: none;
  cursor: pointer;
  border-radius: 1px;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: transform 0.1s;
}

input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.3); }

input[type=color] {
  -webkit-appearance: none;
  width: 36px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: none;
  cursor: pointer;
  padding: 2px;
}
input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
input[type=color]::-webkit-color-swatch { border: none; border-radius: 2px; }

.star-check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  color: var(--muted);
  cursor: pointer;
  letter-spacing: 1px;
}

.star-check input { cursor: pointer; accent-color: var(--accent); }

.vdiv {
  width: 1px;
  height: 50px;
  background: var(--border);
  flex-shrink: 0;
}

/* ── BUTTONS ─────────────────────────────────────────────────── */
.btn-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.btn-row {
  display: flex;
  gap: 5px;
}

.btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 10px;
  cursor: pointer;
  transition: all 0.12s;
  white-space: nowrap;
}

.btn:hover { border-color: rgba(255,255,255,0.2); color: var(--text); }
.btn.active { border-color: var(--accent); color: var(--accent); }
.btn.accent { border-color: rgba(184,255,0,0.3); color: var(--accent); }
.btn.accent:hover { background: rgba(184,255,0,0.1); }
.btn.danger { border-color: rgba(255,68,68,0.3); color: var(--danger); }
.btn.danger:hover { background: rgba(255,68,68,0.1); }

/* ── PRESETS SECTION ─────────────────────────────────────────── */
.preset-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.preset-group .lbl {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

/* ── TOGGLE ROW ──────────────────────────────────────────────── */
.toggle-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.toggle-group .lbl {
  font-size: 8px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

/* ── HINT ────────────────────────────────────────────────────── */
#hint {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #1a1a1a;
  font-size: 11px;
  letter-spacing: 4px;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 1s;
  z-index: 5;
  text-align: center;
  line-height: 2;
}

/* ── KEYBOARD SHORTCUT HINT ──────────────────────────────────── */
#shortcuts {
  position: fixed;
  bottom: 100px;
  right: 20px;
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1px;
  line-height: 2.2;
  pointer-events: none;
  text-align: right;
}

#shortcuts kbd {
  display: inline-block;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0px 4px;
  font-family: var(--mono);
  font-size: 8px;
  color: var(--accent);
  margin-left: 4px;
}

/* ── SCROLLBAR ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }