:root {
  --bg-dark: #020617;
  --bg-sidebar: #0f172a;
  --bg-block: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #64748b;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --border-color: #334155;
  --error-red: #ef4444;
  
  --c-entity: #ec4899;
  --c-world: #10b981;
  --c-logic: #f59e0b;
  --c-ui: #8b5cf6;
  --c-item: #06b6d4;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar */
.toolbar {
  width: 280px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.toolbar h2 {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.toolbar-group { margin-bottom: 2rem; }
.toolbar-group h3 {
    font-size: 0.6rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.block-btn {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: 0.4rem;
  border: 1px solid transparent;
  color: #94a3b8;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  margin-bottom: 0.3rem;
  transition: all 0.15s;
  background: rgba(255,255,255,0.02);
  display: flex;
  align-items: center;
  gap: 10px;
}

.block-btn:hover {
  background: rgba(255,255,255,0.05);
  color: white;
  transform: translateX(4px);
}

/* Workspace */
.workspace {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
  background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
  background-size: 30px 30px;
}

.block-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
}

.mod-block {
  background-color: var(--bg-block);
  border: 1px solid var(--border-color);
  border-left: 8px solid #333;
  border-radius: 0.6rem;
  padding: 1.25rem;
  position: relative;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.5);
  cursor: move;
}

.mod-block.dragging { opacity: 0.4; }

.mod-block.t-entity { border-left-color: var(--c-entity); }
.mod-block.t-world { border-left-color: var(--c-world); }
.mod-block.t-logic { border-left-color: var(--c-logic); }
.mod-block.t-ui { border-left-color: var(--c-ui); }
.mod-block.t-item { border-left-color: var(--c-item); }

.block-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  padding-left: 10px;
}

.block-header h3 { 
    font-size: 0.85rem; 
    color: #fff; 
    text-transform: uppercase; 
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.delete-btn {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  cursor: pointer;
}

/* Fields & Arrows */
.block-fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.field-group { display: flex; flex-direction: column; gap: 0.3rem; }
.field-group label { 
    font-size: 0.6rem; 
    font-weight: 700; 
    color: var(--text-muted); 
    text-transform: uppercase; 
    display: flex;
    align-items: center;
    gap: 4px;
}

input, select {
  background-color: #020617;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.5rem;
  border-radius: 0.4rem;
  font-size: 0.85rem;
  width: 100%;
}

/* Custom Number Input Styling */
.number-input-wrapper {
    display: flex;
    background: #020617;
    border: 1px solid var(--border-color);
    border-radius: 0.4rem;
    overflow: hidden;
    height: 34px;
    transition: border-color 0.2s;
}

.number-input-wrapper:focus-within {
    border-color: var(--primary);
}

.number-input-wrapper input[type="number"] {
    border: none;
    border-radius: 0;
    text-align: center;
    padding: 0.2rem;
    flex: 1;
    min-width: 0;
    -moz-appearance: textfield; /* Firefox */
}

/* Remove default arrows for Chrome, Safari, Edge, Opera */
.number-input-wrapper input::-webkit-outer-spin-button,
.number-input-wrapper input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.number-btn {
    background: #1e293b;
    border: none;
    color: var(--text-muted);
    width: 32px;
    height: 100%;
    cursor: pointer;
    font-weight: 800;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
    user-select: none;
}

.number-btn:hover {
    background: var(--primary);
    color: white;
}

.number-btn:active {
    background: var(--primary-hover);
    transform: scale(0.95);
}

.number-btn:first-child {
    border-right: 1px solid var(--border-color);
}

.number-btn:last-child {
    border-left: 1px solid var(--border-color);
}

input.input-error {
    border-color: var(--error-red) !important;
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}

/* Code Panel */
.code-panel {
  width: 480px;
  background-color: #000;
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.code-header {
  padding: 1.25rem;
  background: #020617;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.action-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid rgba(255,255,255,0.1);
  color: white;
  background: #1e293b;
}

.action-btn:hover:not(:disabled) { transform: scale(1.05); filter: brightness(1.2); }
.action-btn:disabled { opacity: 0.2; cursor: not-allowed; }

.error-banner {
    background: #450a0a;
    color: #fecaca;
    padding: 1rem;
    font-size: 0.7rem;
    border-bottom: 1px solid var(--error-red);
}

.code-content { flex: 1; padding: 1.25rem; overflow-y: auto; }
.code-content pre { font-family: 'Fira Code', monospace; font-size: 0.8rem; line-height: 1.5; color: #a5b4fc; }

.empty-state { text-align: center; margin-top: 25vh; color: var(--text-muted); padding: 2rem; }