@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Serif+Display&display=swap");

:root {
  --bg: #0c0f14;
  --panel: #151a22;
  --panel-2: #1b2230;
  --accent: #42d9a8;
  --accent-2: #ffbf5f;
  --text: #e9eef6;
  --muted: #9aa7bd;
  --danger: #ff6b6b;
  --line: rgba(255,255,255,0.08);
  --glow: 0 0 20px rgba(66,217,168,0.2);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(1200px 800px at 10% -10%, rgba(66,217,168,0.15), transparent),
              radial-gradient(900px 600px at 90% 10%, rgba(255,191,95,0.12), transparent),
              var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
}

a { color: var(--accent); text-decoration: none; }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(10,12,18,0.8);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  font-family: "DM Serif Display", serif;
  font-size: 24px;
  letter-spacing: 0.5px;
}

.container { padding: 28px; max-width: 1200px; margin: 0 auto; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--glow);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  border-color: rgba(66,217,168,0.5);
  box-shadow: var(--glow);
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), #2bb88b);
  color: #051016;
  border: none;
}

.button.danger {
  background: #2a1416;
  color: #ffb3b3;
}

.input, .select, textarea {
  width: 100%;
  background: #0f131a;
  color: var(--text);
  border: 1px solid var(--line);
  padding: 10px 12px;
  border-radius: 10px;
  font-family: inherit;
}

label { display: block; margin-bottom: 8px; color: var(--muted); font-size: 13px; }

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th, .table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 8px;
  text-align: left;
  color: var(--text);
}

.badge {
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(66,217,168,0.12);
  color: var(--accent);
  font-size: 12px;
}

.builder {
  display: grid;
  grid-template-columns: 260px 1fr 320px;
  gap: 16px;
}

.palette, .canvas, .inspector {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
}

.palette .block {
  padding: 10px 12px;
  margin-bottom: 8px;
  background: #0f131a;
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
  position: relative;
}

.palette .block:hover::after {
  content: attr(data-desc);
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  background: #111722;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  z-index: 10;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  flex: 1;
  padding: 8px 10px;
  background: #0f131a;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  cursor: pointer;
}

.tab.active {
  color: var(--text);
  border-color: rgba(66,217,168,0.5);
  box-shadow: var(--glow);
}

.tab-panel.hidden { display: none; }

.canvas {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  background: radial-gradient(circle at 20px 20px, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

.plane {
  position: relative;
  width: 2000px;
  height: 1200px;
  transform: translate(0px, 0px);
}

.plane-hint {
  position: absolute;
  bottom: 20px;
  right: 24px;
  color: var(--muted);
  font-size: 12px;
}

.settings-block {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 520px;
  background: rgba(21,26,34,0.9);
  border: 1px solid rgba(66,217,168,0.5);
  box-shadow: var(--glow);
  border-radius: 14px;
  padding: 16px;
}

.settings-title {
  font-weight: 600;
  margin-bottom: 10px;
}

.event-node {
  position: absolute;
  min-width: 220px;
  background: rgba(255,255,255,0.03);
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: grab;
}

.event-node.selected {
  border-color: var(--accent);
  box-shadow: var(--glow);
}

.action-list { margin-top: 8px; }

.canvas .action {
  padding: 6px 8px;
  margin: 6px 0;
  background: rgba(66,217,168,0.1);
  border: 1px solid rgba(66,217,168,0.3);
  border-radius: 8px;
}

.canvas .action.selected {
  border-color: var(--accent);
  box-shadow: var(--glow);
}

.action-editor {
  margin-top: 8px;
  padding: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.template-item {
  padding: 6px 8px;
  margin-top: 8px;
  background: #0f131a;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.muted { color: var(--muted); font-size: 13px; }

.hero {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}

.hero h1 { font-family: "DM Serif Display", serif; font-size: 44px; margin: 0 0 12px 0; }

.notice {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255,107,107,0.3);
  background: rgba(255,107,107,0.1);
  color: #ffc1c1;
  margin-bottom: 14px;
}

@media (max-width: 980px) {
  .grid { grid-template-columns: 1fr; }
  .col-4, .col-6, .col-8, .col-12 { grid-column: span 1; }
  .hero { grid-template-columns: 1fr; }
  .builder { grid-template-columns: 1fr; }
  .plane { width: 1200px; height: 900px; }
  .settings-block { width: 100%; position: relative; left: 0; top: 0; transform: none; }
}