/* ========================================
 * SiteMonitor 登录页样式
 * ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: #fff;
    border-radius: 16px;
    padding: 48px 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header .logo {
    font-size: 48px;
    margin-bottom: 16px;
}

.login-header h1 {
    color: #333;
    font-size: 28px;
    margin-bottom: 8px;
    font-weight: 600;
}

.login-header p {
    color: #888;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
    color: #bbb;
}

.remember {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
    cursor: pointer;
}

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

.btn {
    display: inline-block;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    text-decoration: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

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

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.error-msg {
    color: #e74c3c;
    font-size: 14px;
    margin-top: 12px;
    padding: 10px;
    background: #fee;
    border-radius: 6px;
    display: none;
}

.error-msg:not(:empty) {
    display: block;
}

.login-footer {
    text-align: center;
    margin-top: 32px;
}

.login-footer p {
    color: #aaa;
    font-size: 12px;
}

.login-footer .version {
    margin-top: 4px;
}

.login-footer .beian {
    margin-top: 6px;
}

.login-footer .beian a {
    color: #888;
    text-decoration: none;
    transition: color .2s;
}

.login-footer .beian a:hover {
    color: #2563eb;
}

/* 响应式 */
@media (max-width: 480px) {
    .login-box {
        padding: 32px 24px;
        border-radius: 12px;
    }
    
    .login-header h1 {
        font-size: 24px;
    }
}