:root {
    --bg-color: #f7f9fc;
    --panel-bg: #ffffff;
    --primary: #2563eb;
    --text-color: #1e293b;
}

body { 
    font-family: 'Segoe UI', system-ui, sans-serif; 
    background: var(--bg-color); 
    color: var(--text-color);
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    padding: 30px; 
    margin: 0;
}

h1 { margin-top: 0; font-size: 1.5rem; }

.toolbar { 
    background: var(--panel-bg); 
    padding: 20px; 
    border-radius: 12px; 
    box-shadow: 0 4px 15px rgba(0,0,0,0.05); 
    margin-bottom: 25px; 
    display: flex; 
    gap: 20px; 
    flex-wrap: wrap;
    align-items: flex-end;
    border: 1px solid #e2e8f0;
}

.control-group { 
    display: flex; 
    flex-direction: column; 
    gap: 8px;
}

label { font-size: 0.9rem; font-weight: 600; color: #475569; }

input[type="text"], select {
    padding: 10px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
}

input[type="text"]:focus, select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.slider-container { display: flex; align-items: center; gap: 10px; }
.val-badge { background: var(--primary); color: white; padding: 2px 8px; border-radius: 12px; font-size: 0.8rem; font-weight: bold;}

.canvas-container {
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-radius: 8px;
    overflow: hidden;
    background: white;
}

#laserCanvas { 
    display: block; 
    background-color: white;
    background-image: linear-gradient(to right, #e2e8f0 1px, transparent 1px),
                      linear-gradient(to bottom, #e2e8f0 1px, transparent 1px);
    background-size: 1cm 1cm;
    background-position: left top;
}

.reset-btn {
    padding: 10px 15px;
    background-color: #ef4444;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    height: 100%;
}

.delete-btn {
    padding: 10px 15px;
    background-color: #f59e0b;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
    height: 100%;
}

.delete-btn:hover {
    background-color: #d97706;
}

.template-btn {
    padding: 8px 12px;
    background-color: #f1f5f9;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    color: #1e293b;
    font-weight: 500;
}

.template-btn:hover {
    background-color: #e2e8f0;
    border-color: #94a3b8;
}

.reset-btn:hover {
    background-color: #dc2626;
}

.done-btn {
    padding: 10px 15px;
    background-color: #10b981;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s;
}

.done-btn:hover {
    background-color: #059669;
}

.export-btn {
    padding: 10px 15px;
    background-color: #4f46e5;
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    height: 100%;
}

.export-btn:hover {
    background-color: #4338ca;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
    transform: translateY(-1px);
}