/**
 * diagnosis.css - 视频诊断页面样式
 * AI剪导师 Phase1 浅色主题
 * 引用 theme-vars.css 变量，与首页4板块风格统一
 */

/* ==================== 页面基础 ==================== */
body {
    background: var(--bg-primary, #f5f5fa);
    color: var(--text-primary, #1a1a2e);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    padding-top: 56px;
}

/* ==================== 落地页元素 ==================== */
.diag-brand {
    text-align: center;
    padding: 32px 16px 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary, #1a1a2e);
}

.diag-upload-prompt {
    text-align: center;
    padding: 8px 16px 24px;
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted, #999);
    max-width: 400px;
    margin: 0 auto;
}

/* ==================== 诊断按钮 ==================== */
.diag-btn {
    display: inline-block;
    padding: 14px 28px;
    background: var(--accent, #8b5cf6);
    color: #fff;
    border: none;
    border-radius: var(--radius-card, 14px);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    text-align: center;
}
.diag-btn:hover {
    opacity: 0.9;
    box-shadow: 0 4px 16px rgba(108,92,231,0.3);
}
.diag-btn:active {
    transform: scale(0.97);
}
.diag-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.5;
}
.diag-btn-home {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 16px auto 0;
    background: var(--accent-secondary, #4ECDC4);
}

/* ==================== 文件信息区 ==================== */
.diag-file-info {
    max-width: 400px;
    margin: 16px auto 0;
}

/* ==================== 拖拽上传区 ==================== */
.upload-area {
    max-width: 600px;
    margin: 20px auto;
    padding: 40px 20px;
    text-align: center;
    border: 2px dashed #ccc;
    border-radius: var(--radius-card, 14px);
    background: var(--bg-card, #ffffff);
    color: var(--text-secondary, #6c7293);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.upload-area:hover {
    border-color: var(--accent, #8b5cf6);
    background: #f8f8ff;
}
.upload-area.dragover {
    border-color: var(--accent, #8b5cf6);
    background: #ede9fe;
    transform: scale(1.01);
}

/* ==================== 进度条 ==================== */
#progressBar {
    max-width: 600px;
    margin: 16px auto;
    height: 32px;
    background: #eee;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
}
#progressFill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent, #8b5cf6), var(--accent-secondary, #4ECDC4));
    border-radius: 16px;
    text-align: center;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    line-height: 32px;
    width: 0%;
    transition: width 0.3s ease;
}

#progressStatus {
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary, #6c7293);
    padding: 8px 16px;
}

/* ==================== 结果区 ==================== */
.result {
    padding: 16px;
    border-radius: 12px;
    margin: 12px 16px;
    font-size: 14px;
    line-height: 1.6;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.result.success {
    background: #f0fff4;
    border: 1px solid #4ECDC4;
    color: #2d7a5f;
}

.result.error {
    background: #fff0f0;
    border: 1px solid #ff6b6b;
    color: #c0392b;
}

/* ==================== 报告按钮 ==================== */
#viewReportBtn {
    display: block;
    max-width: 300px;
    margin: 20px auto;
}

/* ==================== 返回首页 ==================== */
#backToHome {
    text-align: center;
    padding: 16px;
}

/* ==================== 反馈区 ==================== */
.feedback-section {
    max-width: 600px;
    margin: 24px auto;
    padding: 20px;
    background: var(--bg-card, #ffffff);
    border: var(--border-card, 1px solid #eee);
    border-radius: var(--radius-card, 14px);
}
.feedback-section textarea {
    width: 100%;
    min-height: 80px;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-size: 14px;
    resize: vertical;
    background: #f9f9fc;
    color: var(--text-primary, #1a1a2e);
}
.feedback-section textarea:focus {
    border-color: var(--accent, #8b5cf6);
    outline: none;
}
.feedback-section button {
    margin-top: 12px;
}

/* ==================== 响应式适配 ==================== */
@media (max-width: 768px) {
    .diag-brand {
        font-size: 17px;
        padding: 24px 12px 6px;
    }
    .diag-upload-prompt {
        font-size: 13px;
    }
    .upload-area {
        padding: 30px 16px;
        font-size: 14px;
    }
    #progressBar {
        margin: 12px 16px;
    }
    .result {
        margin: 10px 12px;
        padding: 12px;
    }
    .feedback-section {
        margin: 16px 12px;
        padding: 16px;
    }
    .diag-btn {
        padding: 12px 20px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .diag-brand {
        font-size: 15px;
    }
    .upload-area {
        padding: 24px 12px;
        font-size: 13px;
    }
    .diag-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    .result {
        margin: 8px 10px;
        padding: 10px;
        font-size: 13px;
    }
}