:root {
  --bg: #0b0709;
  --panel: #140e11;
  --panel-2: #1b1317;
  --border: #2a2025;
  --text: #f4eef0;
  --muted: #8d8086;
  --accent: #1ea355;
  --accent-hover: #25b863;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Header ---------- */
.site-header {
  padding: 22px 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.brand {
  display: flex;
  align-items: center;
  gap: 18px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}
.brand-mill { flex: none; height: 34px; width: auto; }
.brand-logo-main {
  font-weight: 800;
  font-size: 30px;
  letter-spacing: 1px;
  color: #2ec46f;
}
.brand-text h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
}
.brand-text p {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- Layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 40px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 32px 64px;
  align-items: start;
}

/* ---------- Preview ---------- */
.preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 440px;
  aspect-ratio: 1080 / 1350;
}
canvas {
  width: 100%;
  height: 100%;
  border-radius: 20px;
  display: block;
  touch-action: none;
  cursor: grab;
  background: #15100f;
}
canvas:active { cursor: grabbing; }

.empty-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 2px dashed rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.empty-overlay.hidden { display: none; }
.empty-overlay:hover,
.preview.dragover .empty-overlay {
  border-color: var(--accent);
  color: var(--text);
  background: rgba(184, 64, 42, 0.08);
}
.empty-icon { font-size: 46px; font-weight: 300; line-height: 1; }
.empty-title { font-size: 16px; font-weight: 600; }
.empty-hint { font-size: 12.5px; }

.preview-hint {
  font-size: 12.5px;
  color: var(--muted);
  margin: 0;
}

/* ---------- Controls ---------- */
.controls {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.control-group { display: flex; flex-direction: column; gap: 14px; }
.control-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
}

/* Zoom slider */
.zoom-row { display: flex; align-items: center; gap: 16px; }
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 4px;
  border-radius: 4px;
  background: #3a2f33;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
}
input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  border: none;
}
.zoom-value {
  font-size: 14px;
  font-weight: 600;
  min-width: 48px;
  text-align: right;
}

/* D-pad */
.dpad {
  display: grid;
  grid-template-columns: repeat(3, 56px);
  grid-template-rows: repeat(3, 56px);
  gap: 8px;
  justify-content: start;
}
.dpad-btn {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, border-color 0.12s, transform 0.05s;
}
.dpad-btn:hover { background: #271c21; border-color: #3a2c32; }
.dpad-btn:active { transform: scale(0.94); }
.dpad-up { grid-area: 1 / 2; }
.dpad-left { grid-area: 2 / 1; }
.dpad-center { grid-area: 2 / 2; font-size: 16px; color: var(--muted); }
.dpad-right { grid-area: 2 / 3; }
.dpad-down { grid-area: 3 / 2; }
.dpad-hint { font-size: 12px; color: var(--muted); margin: 0; }

/* Buttons */
.buttons { gap: 12px; }
.btn {
  width: 100%;
  padding: 14px 18px;
  border-radius: 12px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  transition: background 0.12s, border-color 0.12s;
}
.btn-ghost { background: var(--panel-2); color: var(--text); }
.btn-ghost:hover { background: #271c21; border-color: #3a2c32; }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-size: 15px;
  padding: 16px 18px;
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

/* Event settings */
.event-settings {
  border-top: 1px solid var(--border);
  padding-top: 20px;
}
.event-settings summary {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
}
.event-settings summary::-webkit-details-marker { display: none; }
.event-settings summary::before { content: "▸ "; }
.event-settings[open] summary::before { content: "▾ "; }
.settings-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 16px;
}
.settings-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}
.settings-grid input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
.settings-grid input:focus { outline: none; border-color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 24px 16px 48px;
  }
  .site-header { padding: 18px 16px; }
  .canvas-wrap { max-width: 380px; margin: 0 auto; }
  .controls { order: 2; }
}