/* 登录页面专用样式 */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="150" fill="url(%23a)"/><circle cx="800" cy="300" r="100" fill="url(%23a)"/><circle cx="300" cy="700" r="120" fill="url(%23a)"/><circle cx="700" cy="800" r="80" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.3;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 48px;
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #1890ff 0%, #722ed1 100%);
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.3);
}

.login-logo .logo-icon i {
    font-size: 32px;
    color: white;
}

.login-title h1 {
    font-size: 28px;
    font-weight: 700;
    color: #262626;
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.login-title p {
    color: #8c8c8c;
    font-size: 14px;
    margin-bottom: 0;
}

.login-page .form-group {
    margin-bottom: 24px;
}

.login-page .form-label {
    font-weight: 600;
    color: #262626;
    margin-bottom: 8px;
    font-size: 14px;
}

.login-page .form-control {
    height: 48px;
    border: 2px solid #f0f0f0;
    border-radius: 8px;
    font-size: 14px;
    padding: 12px 16px;
    transition: all 0.3s ease;
    background-color: #fafafa;
}

.login-page .form-control:focus {
    border-color: #1890ff;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
    background-color: #fff;
}

.login-page .form-control::placeholder {
    color: #bfbfbf;
}

.login-page .input-group {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: #bfbfbf;
    z-index: 3;
    font-size: 16px;
}

.login-page .input-group .form-control {
    padding-left: 48px;
}

.login-page .form-check {
    margin-bottom: 32px;
}

.login-page .form-check-input {
    width: 16px;
    height: 16px;
    border: 2px solid #d9d9d9;
    border-radius: 4px;
}

.login-page .form-check-input:checked {
    background-color: #1890ff;
    border-color: #1890ff;
}

.login-page .form-check-label {
    color: #595959;
    font-size: 14px;
    margin-left: 8px;
}

.btn-login {
    height: 48px;
    background: linear-gradient(135deg, #1890ff 0%, #722ed1 100%);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(24, 144, 255, 0.4);
}

.btn-login:active {
    transform: translateY(0);
}

.login-footer {
    text-align: center;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #f0f0f0;
}

.login-footer small {
    color: #8c8c8c;
    font-size: 13px;
    background: #f8f9fa;
    padding: 8px 16px;
    border-radius: 6px;
    display: inline-block;
}

.login-page .alert {
    border-radius: 8px;
    border: none;
    padding: 16px;
    margin-bottom: 24px;
}

.login-page .alert-danger {
    background: linear-gradient(135deg, #fff1f0 0%, #ffebe8 100%);
    color: #cf1322;
    border-left: 4px solid #ff4d4f;
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

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

@media (max-width: 576px) {
    .login-container {
        margin: 20px;
        padding: 32px 24px;
    }
    
    .login-title h1 {
        font-size: 24px;
    }
}