/* ============================================
   合同签订前风险体检 - 表单样式
   ============================================ */

/* CSS Variables / Design Tokens */
:root {
    --color-primary: #1a5276;
    --color-primary-hover: #154467;
    --color-title: #1a5276;
    --color-success: #52C41A;
    --color-bg: #F5F7FA;
    --color-card: #FFFFFF;
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-text-weak: #999999;
    --color-border: #E0E4E8;
    --color-border-focus: #1a5276;
    --color-error: #FF4D4F;
    --color-upload-bg: #FAFBFC;
    --color-upload-border: #D9DDE4;
    --font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-card: 0 2px 12px rgba(0,0,0,0.08);
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --max-width: 700px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: #f7f8fa;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* App Container */
#app {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: var(--spacing-lg) var(--spacing-md);
}

.form-container {
    width: 100%;
    max-width: var(--max-width);
    background: var(--color-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    position: relative;
}

/* Page System */
.page {
    display: none;
    flex-direction: column;
    min-height: 400px;
}

.page.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-inner {
    padding: var(--spacing-xl) var(--spacing-lg);
    flex: 1;
}

.page-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    gap: var(--spacing-sm);
}

.step-indicator {
    font-size: 14px;
    color: var(--color-text-weak);
    flex: 1;
}

.step-label {
    font-size: 13px;
    color: var(--color-text-weak);
    background: var(--color-bg);
    padding: 2px 10px;
    border-radius: 10px;
}

.page-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
}

/* ===== Welcome Page ===== */
.form-title {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-title);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.4;
}

.welcome-desc {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
}

.welcome-desc p {
    margin-bottom: var(--spacing-sm);
}

.option-list {
    margin-bottom: var(--spacing-md);
}

.option-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
}

.option-icon {
    color: var(--color-primary);
    font-size: 16px;
    font-weight: bold;
}

.welcome-note {
    color: var(--color-text-weak);
    font-size: 14px;
    margin-bottom: var(--spacing-lg);
}

/* ===== Question Title ===== */
.question-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.question-hint {
    font-size: 14px;
    color: var(--color-text-weak);
    margin-top: -16px;
    margin-bottom: var(--spacing-lg);
}

/* ===== Radio Group ===== */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.radio-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
    border: 1px solid transparent;
}

.radio-item:hover {
    background-color: var(--color-bg);
}

.radio-item input[type="radio"] {
    display: none;
}

.radio-mark {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--color-border);
    flex-shrink: 0;
    position: relative;
    transition: border-color 0.2s;
}

.radio-item input[type="radio"]:checked + .radio-mark {
    border-color: var(--color-primary);
}

.radio-item input[type="radio"]:checked + .radio-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--color-primary);
}

.radio-text {
    font-size: 15px;
    color: var(--color-text);
}

/* ===== Checkbox Group ===== */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color 0.2s;
}

.checkbox-item:hover {
    background-color: var(--color-bg);
}

.checkbox-item input[type="checkbox"] {
    display: none;
}

.checkbox-mark {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--color-border);
    flex-shrink: 0;
    position: relative;
    transition: all 0.2s;
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-mark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-item input[type="checkbox"]:checked + .checkbox-mark::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-text {
    font-size: 15px;
    color: var(--color-text);
}

/* ===== Other Input ===== */
.other-input {
    padding: var(--spacing-xs) var(--spacing-md);
}

/* ===== Text Inputs ===== */
.input-text {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: var(--font-family);
    color: var(--color-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.input-text:focus {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(17, 135, 178, 0.1);
}

.input-text::placeholder {
    color: var(--color-text-weak);
}

.input-lg {
    font-size: 16px;
    padding: 12px 16px;
}

.textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: var(--font-family);
    color: var(--color-text);
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.textarea:focus {
    border-color: var(--color-border-focus);
    box-shadow: 0 0 0 3px rgba(17, 135, 178, 0.1);
}

.textarea::placeholder {
    color: var(--color-text-weak);
}

/* ===== Voice Recorder ===== */
.voice-guide {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.voice-guide p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.voice-guide ul {
    padding-left: 20px;
    margin-bottom: var(--spacing-sm);
}

.voice-guide li {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.voice-tip {
    color: var(--color-text-weak) !important;
    font-size: 13px !important;
}

.voice-recorder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.btn-voice {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-lg);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-card);
    cursor: pointer;
    transition: all 0.2s;
    min-width: 200px;
}

.btn-voice:hover {
    border-color: var(--color-primary);
    background: var(--color-bg);
}

.btn-voice.recording {
    border-color: var(--color-error);
    border-style: solid;
    background: #FFF1F0;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 77, 79, 0.2); }
    50% { box-shadow: 0 0 0 10px rgba(255, 77, 79, 0); }
}

.voice-icon {
    font-size: 32px;
}

.record-text {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.record-timer {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--color-error);
}

.recording-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-error);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.record-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
}

.record-preview audio {
    width: 100%;
    max-width: 400px;
}

/* ===== Upload Zone ===== */
.upload-zone {
    border: 2px dashed var(--color-upload-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl) var(--spacing-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--color-upload-bg);
    margin-bottom: var(--spacing-md);
}

.upload-zone:hover {
    border-color: var(--color-primary);
    background: rgba(17, 135, 178, 0.04);
}

.upload-zone.drag-over {
    border-color: var(--color-primary);
    background: rgba(17, 135, 178, 0.08);
}

.upload-icon {
    font-size: 36px;
    margin-bottom: var(--spacing-sm);
}

.upload-text {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.upload-hint {
    font-size: 13px;
    color: var(--color-text-weak);
}

.material-desc {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.material-desc p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ===== File List ===== */
.file-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--radius-md);
    font-size: 14px;
}

.file-item-name {
    flex: 1;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-item-size {
    color: var(--color-text-weak);
    font-size: 13px;
    flex-shrink: 0;
}

.file-item-remove {
    color: var(--color-text-weak);
    cursor: pointer;
    padding: 4px;
    flex-shrink: 0;
    transition: color 0.2s;
}

.file-item-remove:hover {
    color: var(--color-error);
}

/* ===== Contact Fields ===== */
.contact-desc {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-desc p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.contact-fields {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 10px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.btn-outline:hover {
    background-color: rgba(17, 135, 178, 0.06);
}

.btn-lg {
    padding: 14px 48px;
    font-size: 16px;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.btn-submit {
    padding: 14px 64px;
    font-size: 16px;
    font-weight: 600;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: var(--color-text-weak);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.btn-back:hover {
    background-color: var(--color-bg);
    color: var(--color-text);
}

/* ===== Success Page ===== */
.success-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-top: 48px;
    padding-bottom: 48px;
}

.success-icon {
    margin-bottom: var(--spacing-lg);
}

.success-title {
    font-size: 22px;
    font-weight: bold;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
}

.success-desc {
    max-width: 480px;
    margin-bottom: var(--spacing-xl);
}

.success-desc p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-size: 15px;
}

.success-quote {
    font-style: italic;
    color: var(--color-text-weak) !important;
    font-size: 14px !important;
    margin-top: var(--spacing-md) !important;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.success-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 320px;
}

.btn-share {
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.share-icon {
    font-size: 20px;
}

/* ===== Submitting Page ===== */
.submitting-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: var(--spacing-lg);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.submitting-text {
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* ===== Validation Error ===== */
.error-msg {
    color: var(--color-error);
    font-size: 13px;
    margin-top: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: #FFF1F0;
    border-radius: var(--radius-sm);
    display: none;
}

.error-msg.show {
    display: block;
}

/* ===== Toast Notification ===== */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    z-index: 1000;
    transition: transform 0.3s ease;
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    #app {
        padding: 0;
    }

    .form-container {
        border-radius: 0;
        box-shadow: none;
        min-height: 100vh;
    }

    .page-inner {
        padding: var(--spacing-lg) var(--spacing-md);
    }

    .form-title {
        font-size: 22px;
    }

    .question-title {
        font-size: 17px;
    }

    .btn-lg {
        padding: 12px 40px;
    }

    .btn-submit {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .form-title {
        font-size: 20px;
    }

    .success-actions {
        max-width: 100%;
    }

    .btn-share {
        padding: 12px 20px;
        font-size: 15px;
    }
}

.upload-buttons {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 12px 0;
}

.btn-upload {
    padding: 10px 16px;
    border: 1px solid var(--primary, #1a5276);
    border-radius: 6px;
    background: #fff;
    color: var(--primary, #1a5276);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.btn-upload:active {
    background: var(--primary, #1a5276);
    color: #fff;
    transform: scale(0.97);
}

.upload-zone {
    cursor: default !important;
}