/* 认证页面样式 */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, #1b263b 50%, var(--dark-bg) 100%);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(62, 146, 204, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(201, 162, 39, 0.08) 0%, transparent 50%);
}

.auth-box {
    position: relative;
    z-index: 2;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(201, 162, 39, 0.3);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 32px;
    background: linear-gradient(135deg, var(--gold-color) 0%, #f4e4ba 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* 警告框 */
.alert {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
}

/* 标签页 */
.auth-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 2px solid rgba(201, 162, 39, 0.2);
}

.tab-btn {
    flex: 1;
    padding: 15px 20px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.tab-btn:hover {
    color: var(--gold-color);
}

.tab-btn.active {
    color: var(--gold-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-color), var(--secondary-color));
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* 表单样式 */
.auth-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="file"] {
    width: 100%;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(201, 162, 39, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.1);
}

.form-group input[type="file"] {
    padding: 10px;
    background: rgba(255, 255, 255, 0.03);
}

.form-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-password {
    color: var(--secondary-color);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.forgot-password:hover {
    color: var(--gold-color);
}

.btn-block {
    width: 100%;
}

.auth-divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(201, 162, 39, 0.2);
}

.auth-divider span {
    background: var(--dark-bg);
    padding: 0 20px;
    color: var(--text-secondary);
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.auth-social {
    text-align: center;
}

.auth-social p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 15px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(201, 162, 39, 0.1);
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 5px;
}

.auth-footer a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.auth-footer a:hover {
    color: var(--gold-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .auth-box {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .auth-header h1 {
        font-size: 28px;
    }
}