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

:root {
  --bg: #0e0e14;
  --bg2: #16161e;
  --bg3: #1e1e28;
  --border: #2a2a3a;
  --text: #e0e0e0;
  --text2: #888;
  --accent: #6c5ce7;
  --accent2: #a29bfe;
  --radius: 8px;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Topbar */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  flex-shrink: 0;
}
.logo {
  font-family: 'Orbitron', sans-serif;
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 3px;
}
.logo-dot { color: var(--accent); }
.topbar-subtitle {
  color: var(--text2);
  font-size: 13px;
  flex: 1;
}
.topbar-actions { display: flex; gap: 8px; }

/* Buttons */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent2); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Main layout */
.main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebar */
.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.panel { margin-bottom: 20px; }
.panel-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text2);
  margin-bottom: 10px;
}

.input-field {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
.input-field:focus { border-color: var(--accent); }

select.input-field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

/* Effect grid */
.effect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.effect-btn {
  padding: 8px 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text2);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}
.effect-btn:hover { border-color: var(--accent); color: var(--text); }
.effect-btn.active {
  border-color: var(--accent);
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent2);
}

/* Colors */
.color-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}
.color-row label { font-size: 12px; color: var(--text2); }
.color-picker {
  width: 36px;
  height: 28px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: none;
  cursor: pointer;
  padding: 0;
}
.color-picker::-webkit-color-swatch-wrapper { padding: 2px; }
.color-picker::-webkit-color-swatch { border: none; border-radius: 2px; }

/* Sliders */
.slider-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.slider-row label { font-size: 12px; color: var(--text2); min-width: 72px; }
.slider {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 4px;
  outline: none;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}
.slider-val {
  font-size: 11px;
  color: var(--text2);
  min-width: 24px;
  text-align: right;
  font-family: 'Space Mono', monospace;
}

/* Canvas */
.canvas-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
#canvas-container { width: 100%; height: 100%; }
#canvas-container canvas { display: block; }

/* Modals */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal.hidden { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}
.modal-content {
  position: relative;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90%;
  max-width: 700px;
  max-height: 85vh;
  overflow-y: auto;
}
.modal-export-content { max-width: 850px; }
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 16px; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  color: var(--text2);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 20px; }

/* Templates */
.template-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.template-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  transition: all 0.15s;
  text-align: center;
  color: var(--text);
  font-size: 12px;
}
.template-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.template-card span { display: block; padding: 8px; }
.template-preview {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 3px;
}

/* Export */
.export-hint { font-size: 13px; color: var(--text2); margin-bottom: 16px; }
.export-tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.export-tab {
  padding: 6px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text2);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.export-tab.active {
  border-color: var(--accent);
  color: var(--accent2);
  background: rgba(108,92,231,0.1);
}
.export-code-wrap {
  position: relative;
  background: #0d0d12;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.export-code-wrap .btn {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
}
.export-code-wrap pre {
  padding: 16px;
  overflow: auto;
  max-height: 400px;
  font-size: 12px;
  line-height: 1.6;
}
.export-code-wrap code {
  font-family: 'Space Mono', monospace;
  color: var(--text);
  white-space: pre;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 500;
  z-index: 2000;
  animation: toastIn 0.3s ease;
}
.toast.hidden { display: none; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Responsive */
@media (max-width: 768px) {
  .main { flex-direction: column; }
  .sidebar { width: 100%; height: auto; max-height: 40vh; border-right: none; border-bottom: 1px solid var(--border); }
  .template-grid { grid-template-columns: repeat(2, 1fr); }
}