/* 登录页面专用样式 */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #17a2b8;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --text-color: #2c3e50;
    --border-color: #dfe6e9;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: white;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    padding: 2rem;
    text-align: center;
}

.login-header {
    margin-bottom: 1.5rem;
}

.login-header h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.8rem;
}

.login-header p {
    color: #666;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
}

.btn-login {
    width: 100%;
    padding: 0.8rem;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-login:disabled {
    background: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.login-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 6px;
    font-size: 0.85rem;
    color: #666;
}

.login-info p {
    margin: 0.3rem 0;
}

.alert-container {
    margin-bottom: 1.5rem;
}

.alert {
    padding: 0.8rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

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

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

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

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* 响应式设计 */
@media (max-width: 480px) {
    .login-card {
        padding: 1.5rem;
        margin: 0 10px;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }
}

.cardkey-info {
    margin: 20px 0;
    padding: 15px;
    background: var(--light-bg);
    border-radius: 8px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    margin: 10px 0;
}

.info-item .label {
    font-weight: 500;
    color: var(--text-color);
}

.info-item .value {
    font-weight: 600;
    color: var(--primary-color);
}
/* 添加忘记密码链接样式 */
.forgot-password {
    margin-top: 1rem;
    text-align: right;
}

.forgot-password a {
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-password a:hover {
    text-decoration: underline;
}

/* 验证码输入框样式 */
.verification-code {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.verification-code input {
    flex: 1;
}

.verification-code button {
    white-space: nowrap;
}