/* ========================================
   屏幕测试工具样式
   ======================================== */

/* 主内容 - 整体滚动 */
.main-content { 
    width: 100%; 
    max-width: 1200px;
    height: calc(100vh - 70px); 
    display: flex; 
    flex-direction: column;
    padding: 20px;
    padding-bottom: 50px; 
    z-index: 10; 
    overflow-y: auto; 
    gap: 20px;
}
.container { width: 100%; height: 100%; display: flex; flex-direction: column; gap: 20px; }

/* 控制面板 */
.controls-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}
.control-group { display: flex; flex-direction: column; gap: 8px; }
.control-group label { font-size: 12px; color: var(--text-muted); font-weight: 600; }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.action-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: 0.2s;
    display: flex; align-items: center; gap: 8px;
}
.action-btn:hover { background: rgba(255,255,255,0.1); border-color: var(--primary-color); }
.action-btn.btn-primary { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.action-btn.btn-primary:hover { background: var(--primary-hover); }

.test-name-display {
    font-size: 20px; font-weight: bold; color: var(--text-primary);
}

/* 配置面板 */
.config-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    max-height: 300px;
    overflow-y: auto;
    display: flex; flex-direction: column; gap: 10px;
    flex-shrink: 0;
}
.config-panel.hidden { display: none; }
.config-header { display: flex; justify-content: space-between; align-items: center; }
.config-header h3 { margin: 0; font-size: 16px; color: var(--text-primary); }
.btn-icon { background: transparent; border: none; color: var(--text-muted); cursor: pointer; font-size: 18px; }
.config-list { display: flex; flex-wrap: wrap; gap: 8px; }
.config-item {
    padding: 6px 12px; background: rgba(255,255,255,0.05);
    border: 1px solid var(--border-color); border-radius: 4px;
    color: var(--text-secondary); cursor: pointer; font-size: 13px;
}
.config-item:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }

/* 测试区域 */
.test-area {
    flex: 1;
    background: #000;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    min-height: 400px;
    border: 1px solid var(--border-color);
}
.test-content { width: 100%; height: 100%; position: absolute; top: 0; left: 0; }

/* 手动模式控制覆盖层 */
.manual-controls {
    position: absolute; bottom: 20px; left: 0; right: 0;
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 30px; color: rgba(255,255,255,0.4); font-size: 14px;
    pointer-events: none; transition: 0.3s;
}
.manual-controls.hidden { opacity: 0; }
.manual-controls:hover { opacity: 1; color: rgba(255,255,255,0.8); }
.overlay-name {
    background: rgba(0,0,0,0.5); padding: 4px 12px; border-radius: 4px;
    font-size: 16px; color: #fff;
}

/* 全屏模式 */
body.fullscreen-mode .navbar, body.fullscreen-mode .footer, body.fullscreen-mode .main-content {
    display: none; /* 隐藏 main-content 会导致 test-area 消失，需要特殊处理 */
}

/* 修正全屏逻辑：将 test-area 提升到 body 层级 */
body.fullscreen-mode .main-content {
    display: flex; /* 保持 flex */
    padding: 0; gap: 0; margin: 0; height: 100vh; width: 100vw; max-width: none; overflow: hidden;
}
body.fullscreen-mode .container { display: block; height: 100%; width: 100%; gap: 0; }
body.fullscreen-mode .controls-panel { display: none; }
body.fullscreen-mode .test-area { border: none; border-radius: 0; min-height: 100vh; width: 100vw; }

/* 测试图案 CSS */
/* Solid handled via inline style */
.hline { background-image: repeating-linear-gradient(0deg, #fff, #fff var(--px), transparent var(--px), transparent calc(var(--px) * 20)); background-color: #000; }
.vline { background-image: repeating-linear-gradient(90deg, #fff, #fff var(--px), transparent var(--px), transparent calc(var(--px) * 20)); background-color: #000; }
.cross { 
    background-image: 
        repeating-linear-gradient(0deg, #fff, #fff var(--px), transparent var(--px), transparent calc(var(--px) * 20)),
        repeating-linear-gradient(90deg, #fff, #fff var(--px), transparent var(--px), transparent calc(var(--px) * 20));
    background-color: #000; 
}
.dots {
    background-image: radial-gradient(#fff 1px, transparent 1px);
    background-size: calc(var(--px) * 10) calc(var(--px) * 10);
    background-color: #000;
}
.whitegrid {
    background-image: 
        linear-gradient(rgba(255,255,255,0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.3) 1px, transparent 1px);
    background-size: 100px 100px; background-color: #000;
}
.contrast-white { background: #fff; }
.contrast-white .checkerboard {
    width: 100%; height: 100%; display: grid; grid-template-columns: repeat(10, 1fr); grid-template-rows: repeat(10, 1fr);
}
.contrast-white .checkerboard div:nth-child(odd) { background: #fff; }
.contrast-white .checkerboard div:nth-child(even) { background: #ccc; }

.contrast-black { background: #000; }
.contrast-black .checkerboard {
    width: 100%; height: 100%; display: grid; grid-template-columns: repeat(10, 1fr); grid-template-rows: repeat(10, 1fr);
}
.contrast-black .checkerboard div:nth-child(odd) { background: #000; }
.contrast-black .checkerboard div:nth-child(even) { background: #333; }

.gradient-white { background: linear-gradient(90deg, #000, #fff); }
.gradient-red { background: linear-gradient(90deg, #000, #f00); }
.gradient-green { background: linear-gradient(90deg, #000, #0f0); }
.gradient-blue { background: linear-gradient(90deg, #000, #00f); }

.pattern { background: radial-gradient(circle, #f00, #0f0, #00f, #000); }
.saturation { background: conic-gradient(red, yellow, lime, cyan, blue, magenta, red); }
.stability { background: #333; display: flex; align-items: center; justify-content: center; }
.stability-text { color: #fff; font-size: 40px; font-weight: bold; animation: pulse 0.5s infinite alternate; }
@keyframes pulse { from { opacity: 0.5; transform: scale(0.95); } to { opacity: 1; transform: scale(1.05); } }