/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1e5a9a;
    --primary-dark: #164273;
    --primary-light: #2874c7;
    --secondary-color: #f5f7fa;
    --text-color: #333333;
    --text-light: #666666;
    --border-color: #dcdfe6;
    --error-color: #f56c6c;
    --success-color: #67c23a;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", 
                 "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 头部样式 */
.header {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow);
}

.logo h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.logo .subtitle {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* 登录容器 */
.login-container {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 登录卡片 */
.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-hover);
    padding: 2.5rem;
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-2px);
}

.login-title {
    color: var(--primary-color);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-align: center;
}

.login-subtitle {
    color: var(--text-light);
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 2rem;
}

/* 表单样式 */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: var(--text-color);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 90, 154, 0.1);
}

.form-group input::placeholder {
    color: #c0c4cc;
}

/* 错误消息 */
.error-message {
    background-color: #fef0f0;
    color: var(--error-color);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    border-left: 4px solid var(--error-color);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* 登录按钮 */
.login-button {
    background: var(--primary-color);
    color: white;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 0.5rem;
}

.login-button:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 90, 154, 0.3);
}

.login-button:active:not(:disabled) {
    transform: translateY(0);
}

.login-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.loading {
    display: inline-block;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 登录页脚 */
.login-footer {
    margin-top: 1.5rem;
    text-align: center;
}

.help-text {
    color: var(--text-light);
    font-size: 0.85rem;
}

/* 页脚 */
.footer {
    background: rgba(255, 255, 255, 0.95);
    padding: 1.5rem 2rem;
    text-align: center;
    color: var(--text-light);
    font-size: 0.85rem;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.1);
}

/* 理赔列表页面样式 */
.claims-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.claims-card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 2rem;
    text-align: center;
}

.claims-card h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.claims-card p {
    color: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header {
        padding: 1rem 1.5rem;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
    
    .main-content {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 1rem;
    }
    
    .logo h1 {
        font-size: 1.3rem;
    }
    
    .login-card {
        padding: 1.5rem 1rem;
    }
    
    .login-title {
        font-size: 1.3rem;
    }
    
    .footer {
        padding: 1rem;
        font-size: 0.8rem;
    }
}