/* ════════════════════════════════════════════
   ADG DRAFT — CSS Theme
   ════════════════════════════════════════════ */

:root {
    --qm-bg: #0a0a0f;
    --qm-bg-surface: #12121a;
    --qm-bg-surface2: #1a1a26;
    --qm-border-color: #2a2a3a;
    --qm-text-main: #e0e0ec;
    --qm-text-muted: #7a7a90;
    --qm-accent: #7c6aff;
    --qm-accent2: #a855f7;
    --qm-green: #22c55e;
    --qm-red: #ef4444;
    --qm-orange: #f97316;
    --qm-cyan: #06b6d4;
    --qm-yellow: #eab308;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; background: var(--qm-bg); color: var(--qm-text-main); overflow: hidden; height: 100vh; }

/* Header */
.qm-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 16px; height: 48px; background: var(--qm-bg-surface);
    border-bottom: 1px solid var(--qm-border-color); z-index: 100;
}
.qm-header-left, .qm-header-right { display: flex; align-items: center; gap: 12px; }
.qm-back-btn { color: var(--qm-text-muted); font-size: 1rem; text-decoration: none; padding: 6px; border-radius: 6px; }
.qm-back-btn:hover { background: var(--qm-bg-surface2); color: var(--qm-text-main); }
.qm-logo { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: .95rem; }
.qm-logo i { color: var(--qm-accent); }
.qm-menu { display: flex; gap: 2px; margin-left: 16px; }
.qm-menu-item { background: none; border: none; color: var(--qm-text-muted); padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: .82rem; }
.qm-menu-item:hover { background: var(--qm-bg-surface2); color: var(--qm-text-main); }
.qm-dropdown-item:hover { background: var(--qm-bg-surface2) !important; }

.qm-btn { padding: 7px 14px; border: 1px solid var(--qm-border-color); border-radius: 8px; background: var(--qm-bg-surface2); color: var(--qm-text-main); cursor: pointer; font-size: .82rem; display: flex; align-items: center; gap: 6px; }
.qm-btn-primary { background: linear-gradient(135deg, var(--qm-accent), var(--qm-accent2)); border: none; color: #fff; font-weight: 600; }
.qm-btn:hover { opacity: .85; }
.qm-user-profile img { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--qm-border-color); }

/* Workspace Grid */
.workspace-grid {
    display: grid; grid-template-columns: 240px 1fr 280px;
    height: calc(100vh - 48px);
}

/* Panels */
.qm-panel { background: var(--qm-bg-surface); border-right: 1px solid var(--qm-border-color); display: flex; flex-direction: column; }
.sidebar-right { border-right: none; border-left: 1px solid var(--qm-border-color); }
.qm-panel-header { padding: 14px 16px; border-bottom: 1px solid var(--qm-border-color); }
.qm-panel-header h3 { font-size: .85rem; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.qm-panel-header h3 i { color: var(--qm-accent); }
.qm-panel-content { flex: 1; overflow-y: auto; padding: 12px; }

.search-bar { padding: 8px 12px; border-bottom: 1px solid var(--qm-border-color); display: flex; align-items: center; gap: 8px; }
.search-bar i { color: var(--qm-text-muted); font-size: .8rem; }
.search-bar input { flex: 1; background: none; border: none; color: var(--qm-text-main); outline: none; font-size: .82rem; }

/* Equipment Library */
.eq-category { margin-bottom: 12px; }
.eq-category-title { font-size: .72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--qm-text-muted); margin-bottom: 6px; padding: 0 4px; font-weight: 600; }
.eq-item {
    display: flex; align-items: center; gap: 8px; padding: 8px 10px;
    border-radius: 8px; cursor: grab; font-size: .8rem; transition: all .2s;
    border: 1px solid transparent; margin-bottom: 2px;
}
.eq-item:hover { background: var(--qm-bg-surface2); border-color: var(--qm-border-color); }
.eq-item:active { cursor: grabbing; }
.eq-icon { width: 28px; height: 28px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: .75rem; flex-shrink: 0; }
.eq-icon.audio { background: rgba(124,106,255,.15); color: var(--qm-accent); }
.eq-icon.video { background: rgba(6,182,212,.15); color: var(--qm-cyan); }
.eq-icon.control { background: rgba(249,115,22,.15); color: var(--qm-orange); }
.eq-icon.network { background: rgba(34,197,94,.15); color: var(--qm-green); }
.eq-icon.power { background: rgba(234,179,8,.15); color: var(--qm-yellow); }
.eq-icon.structure { background: rgba(168,85,247,.15); color: var(--qm-accent2); }

/* Canvas */
.canvas-container { display: flex; flex-direction: column; background: #0e0e14; overflow: hidden; }
.canvas-toolbar {
    display: flex; align-items: center; gap: 8px; padding: 6px 12px;
    background: var(--qm-bg-surface); border-bottom: 1px solid var(--qm-border-color);
}
.tool-group { display: flex; gap: 2px; padding: 0 8px; border-right: 1px solid var(--qm-border-color); }
.tool-group:last-child { border-right: none; }
.tool-btn {
    width: 32px; height: 32px; border: none; border-radius: 6px; background: none;
    color: var(--qm-text-muted); cursor: pointer; font-size: .85rem; display: flex;
    align-items: center; justify-content: center; transition: all .2s;
}
.tool-btn:hover { background: var(--qm-bg-surface2); color: var(--qm-text-main); }
.tool-btn.active { background: var(--qm-accent); color: #fff; }
.canvas-zoom { margin-left: auto; font-size: .75rem; color: var(--qm-text-muted); }
.canvas-wrapper { flex: 1; position: relative; overflow: hidden; }
.canvas-wrapper canvas { position: absolute; top: 0; left: 0; }

/* Tabs */
.qm-tabs { display: flex; border-bottom: 1px solid var(--qm-border-color); }
.qm-tab { flex: 1; padding: 10px; background: none; border: none; color: var(--qm-text-muted); cursor: pointer; font-size: .8rem; border-bottom: 2px solid transparent; display: flex; align-items: center; justify-content: center; gap: 6px; }
.qm-tab.active { color: var(--qm-accent); border-bottom-color: var(--qm-accent); }
.qm-tab:hover { color: var(--qm-text-main); }

/* Properties */
.qm-empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px 20px; color: var(--qm-text-muted); text-align: center; }
.qm-empty-state i { font-size: 2rem; margin-bottom: 12px; opacity: .3; }
.qm-empty-state p { font-size: .82rem; }
.qm-form-group { display: flex; flex-direction: column; gap: 4px; }
.qm-form-group label { font-size: .72rem; text-transform: uppercase; letter-spacing: .5px; color: var(--qm-text-muted); font-weight: 600; }
.qm-input { background: var(--qm-bg-surface2); border: 1px solid var(--qm-border-color); border-radius: 6px; padding: 8px 10px; color: var(--qm-text-main); font-size: .82rem; outline: none; }
.qm-input:focus { border-color: var(--qm-accent); }

/* BOM */
.bom-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.stat-box { background: var(--qm-bg-surface2); border-radius: 8px; padding: 12px; text-align: center; }
.stat-label { font-size: .65rem; text-transform: uppercase; letter-spacing: .5px; color: var(--qm-text-muted); display: block; }
.stat-value { font-size: 1.4rem; font-weight: 700; color: var(--qm-accent); }
.bom-item { display: flex; justify-content: space-between; align-items: center; padding: 8px; border-radius: 6px; margin-bottom: 4px; font-size: .8rem; background: var(--qm-bg-surface2); }
.bom-item-name { font-weight: 500; }
.bom-item-qty { color: var(--qm-accent); font-weight: 600; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--qm-border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--qm-text-muted); }

@media (max-width: 900px) {
    .workspace-grid { grid-template-columns: 1fr; }
    .sidebar-left, .sidebar-right { display: none; }
}