/* === RhinoLiter V2.0 样式更新 === */

/* 1. 修复的拖拽区样式 */
.drop-zone-container {
    position: relative;
    width: 100%;
    height: 180px;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    background: rgba(255,255,255,0.02);
    transition: all 0.3s ease;
    margin-bottom: 25px;
    overflow: hidden; /* 防止子元素溢出 */
}

.drop-zone-container:hover {
    border-color: var(--primary-color);
    background: rgba(var(--primary-color), 0.05);
}

/* 这是一个透明的盖板，覆盖整个区域，确保点击无死角 */
.overlay-file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

/* 下方的视觉内容 */
.drop-zone-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    pointer-events: none; /* 让鼠标事件穿透给 input */
    z-index: 1;
}

.icon-cloud {
    color: var(--primary-color);
    margin-bottom: 10px;
    opacity: 0.8;
}

.drop-zone-content h3 {
    margin: 0 0 5px 0;
    font-size: 1.1rem;
    color: var(--text-main);
}
.sub-text {
    font-size: 0.85rem;
    color: var(--text-sub);
    margin: 0;
}

/* 2. 策略卡片样式 */
.strategy-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.strategy-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    cursor: pointer;
    transition: all 0.2s;
    background: rgba(255,255,255,0.05);
}

.strategy-card:hover {
    border-color: var(--primary-color);
}

.strategy-card.active {
    background: rgba(var(--primary-color), 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 1px var(--primary-color);
}

.strat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.strat-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

.strat-tag {
    font-size: 0.6rem;
    background: var(--primary-color);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
}

.strat-desc {
    font-size: 0.75rem;
    color: var(--text-sub);
    line-height: 1.4;
    margin: 0;
}

/* 3. 复选框组样式 */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-item {
    display: flex;
    flex-direction: column;
    padding: 10px;
    background: rgba(0,0,0,0.02);
    border-radius: 6px;
    cursor: pointer;
}

.checkbox-item input {
    margin-bottom: 5px;
}

.checkbox-item span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-item span::before {
    /* 模拟自定义checkbox外观 (可选) */
    content: '';
    display: inline-block;
}

.checkbox-item small {
    font-size: 0.75rem;
    color: var(--text-sub);
    margin-left: 2px;
}

/* 通用 UI 调整 */
.header-title { display: flex; align-items: center; gap: 10px; }
.badge { background: var(--primary-color); color: white; font-size: 0.7rem; padding: 2px 6px; border-radius: 4px; font-weight: bold; }
.app-card { background: var(--card-bg); border: 1px solid var(--card-border); backdrop-filter: blur(var(--backdrop-blur)); border-radius: 16px; padding: 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.settings-group { opacity: 1; transition: opacity 0.3s; }
.settings-group.disabled { opacity: 0.4; pointer-events: none; filter: grayscale(1); }
.section-title { font-size: 0.85rem; text-transform: uppercase; color: var(--text-sub); font-weight: 700; margin: 20px 0 10px 0; border-bottom: 1px solid var(--border-color); padding-bottom: 5px; }
.control-item { margin-bottom: 15px; }
.control-item label { display: block; font-weight: 500; margin-bottom: 8px; color: var(--text-main); font-size: 0.9rem;}
.control-item .desc { font-size: 0.75rem; color: var(--text-sub); margin-top: 4px; }
input[type=range] { -webkit-appearance: none; width: 100%; background: transparent; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; height: 18px; width: 18px; border-radius: 50%; background: var(--primary-color); cursor: pointer; margin-top: -7px; }
input[type=range]::-webkit-slider-runnable-track { width: 100%; height: 4px; background: var(--border-color); border-radius: 2px; }
.toggle-group { display: flex; gap: 8px; }
.toggle-btn { flex: 1; padding: 8px; border: 1px solid var(--border-color); background: transparent; color: var(--text-sub); border-radius: 6px; cursor: pointer; font-size: 0.85rem; }
.toggle-btn.active { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.btn-primary { width: 100%; padding: 12px; background: var(--primary-color); color: white; border: none; border-radius: 8px; font-size: 0.95rem; font-weight: 600; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; transition: all 0.2s; margin-top: 20px; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.spinner { width: 18px; height: 18px; border: 2px solid rgba(255,255,255,0.3); border-radius: 50%; border-top-color: white; animation: spin 1s infinite linear; display: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.processing .spinner { display: block; } .processing .btn-text { display: none; }
.status-log { margin-top: 15px; padding: 10px; border-radius: 6px; font-family: monospace; font-size: 0.75rem; color: var(--text-sub); background: rgba(0,0,0,0.03); min-height: 20px; }
.status-log.success { color: #10b981; background: rgba(16, 185, 129, 0.1); }
.status-log.error { color: #ef4444; background: rgba(239, 68, 68, 0.1); }