/* ===== LAYOUT ===== */
.project-bar {
    background: #FAFBFC;
    border-bottom: 1px solid #E0E4E8;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.equipment-slot-empty {
    border: 2px dashed #FFE0B2;
    border-radius: 6px;
    padding: 32px;
    text-align: center;
    color: #E65100;
    cursor: pointer;
    transition: all 0.15s;
    background: #FFF8E7;
}
.equipment-slot-empty:hover { border-color: #FF9800; background: #FFF3E0; }
.equipment-assigned {
    border-left: 4px solid #4CAF50;
    background: white;
    padding: 16px;
    border-radius: 0 6px 6px 0;
    border: 1px solid #E0E4E8;
}

/* ===== LABELS & BADGES ===== */
.slot-label {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
    margin-left: auto;
}
.label-empty { background: #FFF3E0; color: #E65100; border: 1px solid #FFE0B2; }
.label-installed { background: #E8F5E9; color: #2E7D32; border: 1px solid #C8E6C9; }

.top-nav { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.nav-select {
    min-width: 180px;
    padding: 6px 10px;
    border: 1px solid #E0E4E8;
    border-radius: 4px;
    font-size: 0.9rem;
    background: white;
}
.action-bar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tree-container { height: calc(100vh - 200px); overflow: auto; }

.mode-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}
.mode-project { background: #E3F2FD; color: #1565C0; }
.mode-vessel { background: #F3E5F5; color: #7B1FA2; }

.source-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.source-project { background: #E3F2FD; color: #1565C0; border: 1px solid #BBDEFB; }
.source-vessel-override { background: #FFF3E0; color: #E65100; border: 1px solid #FFE0B2; }
.source-vessel-only { background: #F3E5F5; color: #7B1FA2; border: 1px solid #E1BEE7; }
.source-project-inherited { background: #E8F5E9; color: #2E7D32; border: 1px solid #C8E6C9; }
.source-none { background: #F5F7FA; color: #8E96A3; border: 1px solid #E0E4E8; }

/* ===== TABS ===== */
.tabs {
    display: flex;
    border-bottom: 1px solid #E0E4E8;
    gap: 4px;
    margin-bottom: 16px;
}
.tab {
    padding: 10px 16px;
    cursor: pointer;
    color: #5A6A7A;
    font-weight: 500;
    font-size: 0.9rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.tab:hover { color: #2C3E50; }
.tab.active { 
    color: #4A90E2; 
    border-bottom-color: #4A90E2;
    font-weight: 600;
}