/* Sprite Gen — jazudu.com */

.nav-spacer{height:56px}

/* Controls bar */
.controls-bar{
    position:relative;z-index:10;
    display:flex;align-items:center;gap:16px;
    padding:8px 16px;
    background:var(--surface);
    border-bottom:1px solid var(--border);
    flex-wrap:wrap;
}
.control-group{
    display:flex;align-items:center;gap:6px;
    font-size:13px;color:var(--dim);
}
.ctrl-label{
    font-size:12px;font-weight:600;color:var(--dim);
    display:flex;align-items:center;gap:4px;
    white-space:nowrap;user-select:none;
}
.ctrl-select{
    padding:4px 8px;border-radius:6px;
    background:var(--surface2);border:1px solid var(--border);
    color:var(--text);font-size:12px;font-family:inherit;
    cursor:pointer;outline:none;
}
.ctrl-select:focus{border-color:var(--cyan)}
.ctrl-range{width:80px;cursor:pointer}
.ctrl-val{font-size:11px;color:var(--cyan);min-width:28px}
.ctrl-btn{
    padding:6px 14px;border-radius:6px;
    background:var(--surface2);border:1px solid var(--border);
    color:var(--text);font-size:12px;font-weight:600;
    cursor:pointer;transition:all 0.15s;font-family:inherit;
}
.ctrl-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.ctrl-btn.btn-accent{
    border-color:var(--cyan);color:var(--cyan);background:var(--cyan-bg);
}
.ctrl-btn.btn-accent:hover{
    background:var(--cyan);color:#000;
}

/* App layout */
.app-layout{
    display:flex;
    height:calc(100vh - 56px - 41px);
    position:relative;z-index:1;
}

/* Panels */
.panel{background:var(--surface);border:1px solid var(--border)}
.panel-left{
    width:160px;min-width:120px;
    border-right:1px solid var(--border);
    overflow-y:auto;
    display:flex;flex-direction:column;
}
.panel-center{
    flex:1;display:flex;flex-direction:column;
    overflow:hidden;
}
.panel-right{
    width:220px;min-width:180px;
    border-left:1px solid var(--border);
    overflow-y:auto;
    padding:8px 12px;
}

/* Panel header */
.panel-header{
    padding:8px 12px;
    border-bottom:1px solid var(--border);
    display:flex;align-items:center;justify-content:space-between;
}
.panel-header h2{font-size:13px;font-weight:700;color:var(--text)}

/* Gallery */
.gallery{
    padding:8px;
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:6px;
    overflow-y:auto;flex:1;
}
.gallery-item{
    position:relative;
    aspect-ratio:1;
    border:2px solid var(--border);
    border-radius:6px;
    cursor:pointer;
    overflow:hidden;
    transition:border-color 0.15s;
    background:var(--surface2);
}
.gallery-item:hover{border-color:var(--border-hover)}
.gallery-item.active{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan)}
.gallery-item canvas{
    width:100%;height:100%;
    image-rendering:pixelated;
    image-rendering:crisp-edges;
    display:block;
}

/* Canvas area */
.canvas-area{
    flex:1;display:flex;align-items:center;justify-content:center;
    overflow:hidden;padding:16px;
    background:
        linear-gradient(45deg,var(--surface2) 25%,transparent 25%),
        linear-gradient(-45deg,var(--surface2) 25%,transparent 25%),
        linear-gradient(45deg,transparent 75%,var(--surface2) 75%),
        linear-gradient(-45deg,transparent 75%,var(--surface2) 75%);
    background-size:16px 16px;
    background-position:0 0,0 8px,8px -8px,-8px 0px;
}
#sprite-canvas{
    image-rendering:pixelated;
    image-rendering:crisp-edges;
    cursor:crosshair;
    box-shadow:var(--shadow-lg);
}
.canvas-info{
    display:flex;align-items:center;gap:12px;
    padding:4px 12px;
    border-top:1px solid var(--border);
    font-size:11px;color:var(--dim);
    background:var(--surface);
}
#cursor-pos{min-width:60px;text-align:right}

/* Right panel sections */
.panel-section{
    margin-bottom:10px;
    padding-bottom:10px;
    border-bottom:1px solid var(--border);
}
.panel-section:last-child{border-bottom:none}
.panel-section h3{
    font-size:12px;font-weight:700;color:var(--dim);
    text-transform:uppercase;letter-spacing:0.5px;
    margin-bottom:8px;
}

/* Tools */
.tool-grid{display:flex;gap:4px}
.tool-btn{
    width:36px;height:36px;
    display:flex;align-items:center;justify-content:center;
    border-radius:6px;
    background:var(--surface2);border:1px solid var(--border);
    color:var(--text);font-size:16px;
    cursor:pointer;transition:all 0.15s;
}
.tool-btn:hover{border-color:var(--border-hover);color:var(--cyan)}
.tool-btn.active{
    border-color:var(--cyan);color:var(--cyan);
    background:var(--cyan-bg);box-shadow:0 0 0 1px var(--cyan);
}

/* Color */
.current-color-row{
    display:flex;align-items:center;gap:8px;
    margin-bottom:8px;
}
.current-color-swatch{
    width:32px;height:32px;
    border-radius:6px;
    border:2px solid var(--border);
    flex-shrink:0;
}
.color-input{
    width:40px;height:32px;
    border:none;background:none;
    cursor:pointer;padding:0;
}
.palette-grid{
    display:grid;
    grid-template-columns:repeat(8,1fr);
    gap:3px;
}
.palette-swatch{
    aspect-ratio:1;
    border-radius:3px;
    border:1px solid transparent;
    cursor:pointer;
    transition:all 0.1s;
}
.palette-swatch:hover{
    transform:scale(1.2);z-index:1;
    border-color:var(--text);
}
.palette-swatch.active{
    border-color:#fff;
    box-shadow:0 0 0 1px var(--cyan);
    transform:scale(1.15);
}

/* Proportion sliders */
.prop-row{
    display:flex;align-items:center;gap:6px;
    margin-bottom:4px;
}
.prop-label{
    font-size:11px;font-weight:600;color:var(--dim);
    min-width:34px;
}
.prop-slider{
    flex:1;cursor:pointer;
    height:4px;
}
.prop-val{
    font-size:11px;color:var(--cyan);
    min-width:16px;text-align:right;
}

/* Actions */
.action-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:4px;
}

/* Buttons */
.btn-small{
    padding:5px 10px;border-radius:6px;
    background:var(--surface2);border:1px solid var(--border);
    color:var(--text);font-size:11px;font-weight:600;
    cursor:pointer;transition:all 0.15s;font-family:inherit;
    white-space:nowrap;
}
.btn-small:hover{border-color:var(--border-hover);color:var(--cyan)}
.btn-small.btn-accent{
    border-color:var(--cyan);color:var(--cyan);background:var(--cyan-bg);
}
.btn-primary{
    width:100%;padding:8px 16px;border-radius:6px;
    background:var(--gradient-primary);border:none;
    color:#fff;font-size:13px;font-weight:600;
    cursor:pointer;transition:all 0.15s;font-family:inherit;
}
[data-theme="dark"] .btn-primary{color:#000}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}

/* Export */
.export-controls{display:flex;flex-direction:column;gap:6px}
.param-row{
    display:flex;align-items:center;gap:6px;
}
.field-label{
    font-size:11px;font-weight:600;color:var(--dim);
    min-width:32px;
}

/* Toast */
.toast{
    position:fixed;bottom:24px;left:50%;
    transform:translateX(-50%) translateY(80px);
    background:var(--surface);color:var(--cyan);
    border:1px solid var(--cyan);
    padding:10px 24px;border-radius:var(--radius);
    font-size:0.9rem;z-index:9999;
    transition:transform 0.3s,opacity 0.3s;
    opacity:0;pointer-events:none;
}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}

/* Mobile hint */
.mobile-hint{
    display:none;
    position:fixed;bottom:0;left:0;right:0;
    background:var(--surface);border-top:1px solid var(--border);
    padding:12px;text-align:center;
    font-size:12px;color:var(--dim);z-index:200;
}

/* Responsive */
@media(max-width:900px){
    .app-layout{flex-wrap:wrap;height:auto}
    .panel-left{width:100%;height:auto;max-height:140px;flex-direction:row;border-right:none;border-bottom:1px solid var(--border)}
    .panel-header{display:none}
    .gallery{grid-template-columns:repeat(8,1fr);flex:none}
    .panel-center{width:100%;min-height:400px}
    .panel-right{width:100%;border-left:none;border-top:1px solid var(--border)}
    .action-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:600px){
    .controls-bar{gap:8px;padding:6px 10px}
    .mobile-hint{display:block}
    .gallery{grid-template-columns:repeat(4,1fr)}
}