/* 注册页面布局 */
.register-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    overflow-x: hidden;
}

/* 装饰背景 */
.register-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    z-index: 0;
}

.register-container {
    flex: 1;
    display: flex;
    min-height: calc(100vh - 80px);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 1;
}

/* 左侧装饰区域 */
.register-left {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    color: var(--text-light);
    position: relative;
}

.system-info {
    max-width: 500px;
    animation: slideInLeft 0.8s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.system-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-xxl);
    font-size: 28px;
    font-weight: 600;
}

.system-logo i {
    font-size: 32px;
    color: #fff;
}

.system-name {
    font-size: 28px;
    letter-spacing: 1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.system-description {
    margin-bottom: var(--space-xxl);
}

.system-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: var(--space-md);
    line-height: 1.2;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.system-subtitle {
    font-size: 20px;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.9);
}

.register-benefits {
    margin-top: var(--space-xxl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.benefit-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    transition: all var(--transition-normal);
}

.benefit-item:hover .benefit-icon {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.1);
}

.benefit-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.benefit-content p {
    font-size: 15px;
    opacity: 0.85;
    line-height: 1.5;
    margin: 0;
}

.register-tips {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    border-left: 4px solid #ffa940;
}

.register-tips p {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 14px;
    opacity: 0.9;
}

.register-tips i {
    color: #ffa940;
    font-size: 16px;
}

.login-redirect {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    text-align: center;
    font-size: 15px;
}

.login-link {
    color: #fff;
    font-weight: 600;
    text-decoration: underline;
    transition: opacity var(--transition-normal);
}

.login-link:hover {
    opacity: 0.8;
}

/* 右侧注册表单区域 */
.register-right {
    flex: 0 0 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    position: relative;
}

.register-form-wrapper {
    width: 100%;
    max-width: 520px;
    animation: slideInUp 0.8s ease-out 0.3s both;
}

/* 表单头部 */
.form-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.form-logo {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    color: var(--primary-color);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.form-logo i {
    font-size: 24px;
}

.form-logo span {
    font-size: 18px;
    font-weight: 600;
}

.form-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.form-subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* 注册进度 */
.register-progress {
    margin-bottom: var(--space-xl);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    position: relative;
    z-index: 1;
}

.progress-step.active .step-number {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

.progress-step.completed .step-number {
    background: var(--success-color);
    color: var(--text-light);
    border-color: var(--success-color);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    margin-bottom: var(--space-xs);
}

.step-label {
    font-size: 12px;
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.progress-bar {
    height: 4px;
    background: var(--border-light);
    border-radius: 2px;
    position: relative;
    margin: 0 18px;
    margin-top: -20px;
}

.progress-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--primary-color);
    border-radius: 2px;
    transition: width 0.6s ease;
}

/* 表单区域 */
.form-section {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xxl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: var(--space-xl);
}

.register-form {
    width: 100%;
}

/* 表单组增强样式 */
.form-group {
    position: relative;
    margin-bottom: var(--space-xl);
}

.input-group {
    position: relative;
    display: flex;
}

.input-prefix {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 14px;
    z-index: 2;
    padding-right: 8px;
    border-right: 1px solid var(--border-color);
    height: 20px;
    line-height: 20px;
}

.input-group .form-input {
    padding: 14px 16px 14px 70px;
    font-size: 15px;
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    flex: 1;
}

.input-group .form-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.15);
    padding-left: 72px;
}

.input-group .input-icon {
    left: 52px;
}

.input-group .form-input:focus + .input-icon {
    left: 54px;
}

/* 密码强度指示器 */
.password-strength {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    margin-bottom: var(--space-xs);
}

.strength-label {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
}

.strength-meter {
    display: flex;
    gap: 4px;
    flex: 1;
    height: 6px;
}

.strength-segment {
    flex: 1;
    background: #e0e0e0;
    border-radius: 3px;
    transition: background-color var(--transition-normal);
}

.strength-text {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 40px;
    text-align: right;
}

.text-success {
    color: var(--success-color) !important;
}

.text-error {
    color: var(--danger-color) !important;
}

/* 密码规则 */
.password-rules {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
    margin-top: var(--space-sm);
}

.password-rules p {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.password-rules p:last-child {
    margin-bottom: 0;
}

.password-rules i {
    font-size: 12px;
    width: 16px;
}

/* 服务条款 */
.terms-container {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border: 1px solid var(--border-light);
}

.terms-link {
    color: var(--primary-color);
    font-weight: 500;
}

.terms-link:hover {
    text-decoration: underline;
}

/* 注册按钮 */
.register-button {
    width: 100%;
    padding: 16px 32px;
    background: linear-gradient(135deg, var(--primary-color), #66b1ff);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
}

.register-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(64, 158, 255, 0.3);
}

.register-button:active {
    transform: translateY(0);
}

.register-button.loading {
    opacity: 0.8;
    cursor: not-allowed;
}

.register-button.loading i {
    animation: spin 1s linear infinite;
}

/* 注册提示 */
.register-tip {
    text-align: center;
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background: rgba(82, 196, 26, 0.1);
    border-radius: var(--radius-md);
    border: 1px solid rgba(82, 196, 26, 0.2);
}

.register-tip p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    color: var(--success-color);
    font-size: 14px;
    margin: 0;
}

/* 其他注册方式 */
.alternative-register {
    text-align: center;
}

.social-register {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-lg);
}

.social-button {
    flex: 1;
    max-width: 180px;
    padding: var(--space-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-lg);
    background: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-weight: 500;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.social-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.social-button.wechat:hover {
    border-color: #07c160;
    color: #07c160;
}

.social-button.qq:hover {
    border-color: #12b7f5;
    color: #12b7f5;
}

.social-button i {
    font-size: 20px;
}

/* 错误消息 */
.error-message {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 6px;
    animation: slideInDown 0.3s ease;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 消息容器样式 */
.message-container {
    margin-bottom: 20px;
    animation: fadeIn 0.3s ease;
}

.message {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    animation: slideInDown 0.3s ease;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.message.warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

.message i {
    font-size: 16px;
}

.message-content {
    flex: 1;
}

.message-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    font-size: 14px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.message-close:hover {
    opacity: 1;
}

/* 加载状态 */
.register-button.loading {
    opacity: 0.8;
    cursor: not-allowed;
    position: relative;
}

.register-button.loading .button-text {
    color: transparent;
}

.register-button.loading .button-text::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* 动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}