/* === BOT BUILDER === */

.bb-app {
    padding: 24px 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.bb-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.bb-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.bb-title-icon { font-size: 28px; }

/* Buttons */
.bb-btn {
    padding: 8px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color, #333);
    background: var(--bg-secondary, #1e1e1e);
    color: var(--text-primary, #e0e0e0);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
}
.bb-btn:hover { background: var(--bg-hover, #2a2a2a); }
.bb-btn-primary { background: var(--accent, #4fc3f7); color: #000; border-color: transparent; font-weight: 600; }
.bb-btn-primary:hover { filter: brightness(1.1); }
.bb-btn-secondary { background: var(--bg-tertiary, #2a2a2a); }
.bb-btn-danger { color: #ef5350; }
.bb-btn-danger:hover { background: rgba(239,83,80,0.15); }
.bb-btn-sm { padding: 4px 10px; font-size: 12px; }
.bb-btn-back { background: transparent; border: none; color: var(--text-muted); font-size: 14px; }
.bb-btn-back:hover { color: var(--text-primary); }
.bb-btn-icon { background: none; border: none; cursor: pointer; padding: 4px 6px; border-radius: 4px; font-size: 16px; }
.bb-btn-icon:hover { background: var(--bg-hover, #2a2a2a); }

/* Empty state */
.bb-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
}
.bb-empty-icon { font-size: 64px; margin-bottom: 16px; opacity: 0.5; }
.bb-empty h3 { color: var(--text-primary); margin-bottom: 8px; }
.bb-empty p { margin-bottom: 20px; }

/* Bot cards grid */
.bb-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.bb-card {
    background: var(--bg-secondary, #1e1e1e);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.2s;
}
.bb-card:hover { border-color: var(--accent, #4fc3f7); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }

.bb-card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.bb-card-name { font-size: 16px; font-weight: 600; color: var(--text-primary); }
.bb-card-status { font-size: 12px; padding: 2px 8px; border-radius: 10px; }
.bb-active { background: rgba(76,175,80,0.2); color: #66bb6a; }
.bb-inactive { background: rgba(255,255,255,0.08); color: var(--text-muted); }
.bb-card-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.bb-card-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.bb-card-trigger, .bb-card-value, .bb-card-filter { font-size: 12px; color: var(--text-secondary); background: var(--bg-tertiary, #2a2a2a); padding: 2px 8px; border-radius: 4px; }
.bb-card-footer { display: flex; align-items: center; justify-content: space-between; }
.bb-card-date { font-size: 12px; color: var(--text-muted); }
.bb-card-actions { display: flex; gap: 4px; }

/* === BUILDER VIEW === */
.bb-builder { display: flex; flex-direction: column; height: calc(100vh - 48px); overflow: hidden; }

.bb-toolbar {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 20px;
    background: var(--bg-secondary, #1e1e1e);
    border-bottom: 1px solid var(--border-color, #333);
    flex-shrink: 0;
}
.bb-toolbar-name { font-size: 16px; font-weight: 600; color: var(--text-primary); flex: 1; }
.bb-toolbar-actions { display: flex; align-items: center; gap: 12px; }

/* Toggle switch */
.bb-toggle { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--text-secondary); }
.bb-toggle input { display: none; }
.bb-toggle-slider {
    width: 36px; height: 20px; border-radius: 10px;
    background: #555; position: relative; transition: 0.2s;
}
.bb-toggle-slider::after {
    content: ''; position: absolute; top: 2px; left: 2px;
    width: 16px; height: 16px; border-radius: 50%;
    background: #fff; transition: 0.2s;
}
.bb-toggle input:checked + .bb-toggle-slider { background: #4caf50; }
.bb-toggle input:checked + .bb-toggle-slider::after { left: 18px; }

/* Workspace */
.bb-workspace { display: flex; flex: 1; overflow: hidden; }

/* Canvas */
.bb-canvas-wrap {
    flex: 1;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 24px 24px;
}

.bb-canvas-toolbar {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
    background: var(--bg-secondary, #1e1e1e);
    border: 1px solid var(--border-color, #333);
    border-radius: 10px;
    padding: 6px 10px;
    z-index: 10;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.bb-add-node {
    width: 36px; height: 36px;
    border-radius: 8px;
    border: 1px solid var(--border-color, #333);
    background: var(--bg-tertiary, #2a2a2a);
    cursor: pointer;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}
.bb-add-node:hover { border-color: var(--accent); transform: scale(1.1); }

.bb-canvas {
    position: absolute;
    inset: 0;
    overflow: visible;
}

/* SVG connections */
.bb-svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}
.bb-conn { fill: none; stroke-width: 2; opacity: 0.7; }
.bb-conn-temp { stroke: var(--accent, #4fc3f7); stroke-width: 2; stroke-dasharray: 6; opacity: 0.5; }

/* Nodes */
.bb-node {
    position: absolute;
    width: 240px;
    background: var(--bg-secondary, #1e1e1e);
    border: 2px solid #444;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    cursor: grab;
    z-index: 5;
    transition: box-shadow 0.15s;
    user-select: none;
}
.bb-node:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.5); }
.bb-node-selected { box-shadow: 0 0 0 2px var(--accent, #4fc3f7), 0 4px 16px rgba(0,0,0,0.5); }
.bb-node:active { cursor: grabbing; }

.bb-node-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px 8px 0 0;
    color: #000;
    font-weight: 600;
    font-size: 13px;
}
.bb-node-icon { font-size: 16px; }
.bb-node-type { flex: 1; }
.bb-node-del {
    background: none; border: none; color: rgba(0,0,0,0.5); cursor: pointer;
    font-size: 18px; padding: 0 4px; line-height: 1;
}
.bb-node-del:hover { color: #000; }

.bb-node-body { padding: 10px 12px; }
.bb-node-preview { font-size: 12px; color: var(--text-secondary); line-height: 1.4; word-break: break-word; }

/* Ports */
.bb-port {
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--bg-tertiary, #2a2a2a);
    border: 2px solid #666;
    position: absolute;
    cursor: crosshair;
    z-index: 6;
    transition: all 0.15s;
}
.bb-port:hover { border-color: var(--accent); transform: scale(1.3); }
.bb-port-out { bottom: -7px; left: 50%; margin-left: -7px; }
.bb-port-in { top: -7px; left: 50%; margin-left: -7px; }

/* Trigger badge */
.bb-trigger {
    position: absolute;
    background: var(--bg-secondary, #1e1e1e);
    border: 2px solid #ffb74d;
    border-radius: 10px;
    padding: 10px 16px;
    z-index: 5;
}
.bb-trigger-icon { font-size: 24px; text-align: center; }
.bb-trigger-label { font-size: 12px; font-weight: 600; color: #ffb74d; margin-top: 4px; text-align: center; }
.bb-trigger-value { font-size: 11px; color: var(--text-muted); margin-top: 2px; text-align: center; }

/* === EDITOR PANEL === */
.bb-editor {
    width: 320px;
    background: var(--bg-secondary, #1e1e1e);
    border-left: 1px solid var(--border-color, #333);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.bb-editor-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}
.bb-editor-empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }
.bb-editor-hint { font-size: 12px; margin-top: 8px; }

.bb-editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color, #333);
    border-left: 3px solid #4fc3f7;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    flex-shrink: 0;
}

.bb-editor-body {
    padding: 16px;
    flex: 1;
    overflow-y: auto;
}

.bb-editor-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color, #333);
    display: flex;
    gap: 8px;
    align-items: center;
    flex-shrink: 0;
}
.bb-editor-footer .bb-btn-primary { flex: 1; }

/* Form fields */
.bb-field { margin-bottom: 14px; }
.bb-field label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.bb-field-check label { display: flex; align-items: center; gap: 8px; font-size: 13px; text-transform: none; letter-spacing: 0; cursor: pointer; }

.bb-input, .bb-select, .bb-textarea {
    width: 100%;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color, #333);
    background: var(--bg-primary, #121212);
    color: var(--text-primary, #e0e0e0);
    font-size: 13px;
    box-sizing: border-box;
}
.bb-input:focus, .bb-select:focus, .bb-textarea:focus { border-color: var(--accent, #4fc3f7); outline: none; }
.bb-textarea { min-height: 80px; resize: vertical; font-family: inherit; }
.bb-select { cursor: pointer; }

.bb-option-row, .bb-branch-row {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-bottom: 6px;
}
.bb-option-row .bb-input, .bb-branch-row .bb-input, .bb-branch-row .bb-select { flex: 1; }

/* Responsive */
@media (max-width: 768px) {
    .bb-app { padding: 16px; }
    .bb-grid { grid-template-columns: 1fr; }
    .bb-workspace { flex-direction: column; }
    .bb-editor { width: 100%; height: 300px; border-left: none; border-top: 1px solid var(--border-color, #333); }
    .bb-canvas-toolbar { flex-wrap: wrap; max-width: 90vw; }
}