/* css/trial.css - MODIFIED (Removed STL Params, Enhanced Modal & Loader) */

/* 试用页面主要内容区域的页面标题和简介文本样式 */
.trial-page-main-content .page-title {
    padding-top: 0px; /* 顶部内边距设为0 (因为头部导航可能是sticky或fixed) */
    color: #353f41; /* 标题文字颜色 (一种米白色，但如果页面是浅色主题，这里可能需要调整) */
    margin-bottom: 10px; /* 标题下方的外边距 */ 
}
.trial-page-main-content .page-intro {
    /* color: #f1f0eb; /* 颜色将由 body.light-theme-active .page-intro 控制 */
    margin-bottom: 20px; 
}

/* “需要访问令牌？”按钮的容器样式 */
.request-trial-token-cta {
    text-align: center; 
    margin-bottom: 40px; 
    margin-top: 0px; /* 从-10px调整为0，或根据需要调整 */
}

/* 试用操作界面网格布局容器 */
.trial-interface-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

/* 试用操作界面中的每个面板 */
.trial-interface-panel {
    background-color: #ffffff; 
    border: 1px solid var(--color-light-border); 
    border-radius: 8px;
    padding: 25px; 
    box-shadow: 0 5px 15px rgba(0,0,0,0.06);
    display: flex;
    flex-direction: column;
}

.trial-interface-panel h3 {
    font-size: 1.25em;
    color: var(--color-light-text-primary);
    margin-top: 0;
    margin-bottom: 20px; 
    padding-bottom: 15px; 
    border-bottom: 1px solid var(--color-light-border);
    text-align: left;
    display: flex;
    align-items: center;
    font-weight: 600;
}
.panel-icon-trial {
    margin-right: 10px;
    font-size: 1.2em; 
    color: var(--color-light-accent); 
}

.form-group-trial-page { margin-bottom: 18px; }
.form-group-trial-page label {
    display: block; font-weight: 500; margin-bottom: 8px; 
    color: var(--color-light-text-secondary); font-size: 0.9em;
}
.form-control-trial-page { 
    width: 100%; padding: 10px 14px; border: 1px solid #ced4da; 
    border-radius: 5px; background-color: #fdfdfd; 
    color: var(--color-light-text-primary); box-sizing: border-box; 
    font-size: 0.95em; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.trial-interface-panel input[type="file"].form-control-trial-page {
    padding: 8px 10px; background-color: #f1f3f5;
}
.form-control-trial-page:focus {
    border-color: var(--color-light-accent);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25); 
    outline: none;
}
.size-reminder-trial-page { font-size: 0.8em; color: #777; margin-top: 6px; display: block; }

.trial-image-preview-area,
.trial-image-display-area { 
    width: 100%; min-height: 250px; background-color: #e9ecef; 
    border-radius: 6px; display: flex; align-items: center;
    justify-content: center; margin-bottom: 15px; flex-grow: 1;
    border: 1px solid #dee2e6; overflow: hidden; 
}
.trial-image-preview-area img,
.trial-image-display-area img {
    max-width: 100%; max-height: 320px; object-fit: contain; border-radius: 4px; 
}
.trial-image-placeholder { color: #6c757d; font-size: 1em; padding: 20px; text-align: center; }

.trial-status-text {
    font-style: italic; color: var(--color-light-text-secondary); width: 100%;
    text-align: center; font-size: 0.9em; margin-top: auto; 
    padding-top: 10px; min-height: 1.5em; 
}
#trialUploadStatus { color: var(--color-light-accent); font-style: normal; font-weight: 500;}

.trial-action-bar-page {
    display: flex; flex-wrap: wrap; justify-content: center; 
    align-items: center; gap: 20px; /* 增加按钮间距 */
    padding: 25px 0; margin-top: 20px; 
    border-top: 1px solid var(--color-light-border);
}
.btn-large-trial { padding: 12px 30px; font-size: 1.1em; }
/* .btn-icon-text .icon (继承自主style.css) */

/* --- 【已删除】所有与 .stl-interaction-wrapper, .stl-params-panel-trial 等相关的CSS规则 --- */


/* --- 访问令牌输入模态框 --- */
.modal-trial-prompt {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1001;
    display: none; /* 由JS的.active类控制 */
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px); /* 初始轻微向上偏移，配合动画 */
    transition: opacity 0.3s ease-in-out, transform 0.3s ease-in-out, visibility 0s linear 0.3s;
}
.modal-trial-prompt.active {
    display: flex; /* 当.active时，设为flex以使其可见并居中内容 */
    opacity: 1;
    visibility: visible;
    transform: translateY(0px);
    transition-delay: 0s;
}
.modal-trial-prompt-content {
    background-color: #ffffff;
    color: var(--color-light-text-primary);
    padding: 35px 40px; /* 调整内边距 */
    border-radius: 10px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.25);
    text-align: center;
    position: relative; /* 为了关闭按钮的绝对定位 */
    transform: scale(0.95); /* 初始缩小一点，配合动画 */
    opacity: 0; /* 配合动画 */
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) 0.05s, opacity 0.2s ease-out 0.05s; /* 内容动画延迟出现 */
}
.modal-trial-prompt.active .modal-trial-prompt-content {
    transform: scale(1);
    opacity: 1;
}

.modal-trial-prompt-content h4 { 
    color: var(--color-light-text-primary); 
    font-size: 1.4em; 
    margin-top: 0;
    margin-bottom: 15px;
    font-weight: 600;
}
.modal-trial-prompt-content p { 
    color: var(--color-light-text-secondary); 
    margin-bottom: 25px;
    font-size: 0.95em;
    line-height: 1.6;
}
.modal-trial-prompt-content input#trialCdKeyInput.form-control-trial-page { 
    margin-bottom: 25px; 
    text-align: center; 
    font-size: 1.1em;
    padding: 12px; 
    border-width: 1px; /* 恢复正常边框宽度 */
}
.modal-trial-buttons {
    display: flex;
    justify-content: center; 
    gap: 15px; 
    margin-top: 10px;
}
.modal-trial-buttons .btn { min-width: 120px; }
.get-cdkey-link-trial { margin-top: 25px; font-size: 0.9em; }
.get-cdkey-link-trial small a { color: var(--color-light-accent); text-decoration: none; }
.get-cdkey-link-trial small a:hover { text-decoration: underline; }

/* 模态框关闭按钮 */
.modal-close-button { /* 应用于模态框右上角的关闭按钮 */
    position: absolute;
    top: 10px; /* 调整位置 */
    right: 15px;
    font-size: 1.8em;
    color: var(--color-light-text-secondary);
    background-color: transparent;
    border: none;
    padding: 5px; /* 增加点击区域 */
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
}
.modal-close-button:hover {
    color: var(--color-light-text-primary);
    transform: scale(1.1);
}


/* 加载指示器 */
.loading-indicator-trial-page {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(246, 245, 240, 0.92); 
    display: none; /* 由JS的.active类控制 */
    flex-direction: column;
    align-items: center; justify-content: center;
    z-index: 3000; color: var(--color-light-text-primary);
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0s 0.3s;
}
.loading-indicator-trial-page.active { 
    display: flex;
    opacity: 1;
    visibility: visible;
    transition-delay: 0s;
}
.loading-indicator-trial-page .spinner { 
    border: 5px solid rgba(44, 44, 44, 0.15); 
    border-left-color: var(--color-light-accent);
    width: 40px; height: 40px;
    animation: spin 1s linear infinite; /* spin动画在style.css中定义 */
}
.loading-indicator-trial-page p { font-size: 1.15em; margin-top: 20px; }

/* 全局错误消息提示 */
.global-error-trial-page {
    position: fixed; left: 50%; transform: translateX(-50%);
    bottom: 20px; z-index: 2500; width: auto; max-width: 80%;
    padding: 12px 20px !important; 
    /* 继承 .status-message 和 .status-error (在style.css中定义) */
}

/* ==========================================================================
   10. 试用页面响应式调整 (Trial Page Responsive Adjustments)
   ========================================================================== */

@media (max-width: 768px) {

    /* --- 10.1 调整页面主容器的内边距 --- */
    .trial-page-main-content .container {
        padding-left: 15px;
        padding-right: 15px;
    }
    
    /* --- 10.2 调整页面标题 --- */
    .trial-page-main-content .page-title {
        font-size: 1.8em;
    }
    
    .trial-page-main-content .page-intro {
        font-size: 0.95em;
    }

    /* --- 10.3 核心界面网格改为单列 --- */
    .trial-interface-grid {
        /* 我们不需要在这里设置 grid-template-columns: 1fr;
           因为您使用的 auto-fit 和 minmax(300px, 1fr) 在手机宽度下会自动变成单列。
           这是一个很好的实践！我们只需要调整一下间距即可。 */
        gap: 20px;
    }

    /* --- 10.4 调整图片预览/输出区域 --- */
    .trial-image-preview-area,
    .trial-image-display-area { 
        min-height: 200px; /* 减小最小高度 */
        /* 也可以使用宽高比，效果更好 */
        aspect-ratio: 4 / 3;
        min-height: unset; /* 如果用了aspect-ratio, 最好取消min-height */
    }

    /* --- 10.5 底部操作栏按钮垂直堆叠 --- */
    .trial-action-bar-page {
        flex-direction: column; /* 改变flex主轴方向为垂直 */
        align-items: stretch;   /* 让按钮在交叉轴上拉伸，宽度撑满 */
        gap: 15px;              /* 调整垂直间距 */
    }

    .trial-action-bar-page .btn {
        width: 100%; /* 确保按钮宽度100% */
        margin: 0;   /* 清除按钮可能存在的左右外边距 */
    }

    /* --- 10.6 访问令牌模态框宽度自适应 --- */
    .modal-trial-prompt-content {
        width: 90%; /* 使用百分比宽度 */
        max-width: 400px; /* 保留一个最大宽度，以防在稍宽的屏幕上过宽 */
        padding: 25px; /* 适当减小内边距 */
    }

    .modal-trial-prompt-content h4 {
        font-size: 1.2em; /* 调整模态框标题大小 */
    }
}