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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    overflow: hidden;
}

/* 登录容器 */
.login-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* 登录卡片 */
.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 10;
}

/* 登录头部 */
.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: white;
}

.monkey-logo {
    background: url('../img/新大师兄logo.png') center/contain no-repeat;
    background-color: #FFF600;
    border: 3px solid #333;
    border-radius: 15px;
}

.logo-text h1 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin: 0;
    line-height: 1.2;
}

.logo-text p {
    font-size: 16px;
    color: #666;
    margin: 0;
    font-weight: 400;
}

/* 表单样式 */
.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 25px;
}

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

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

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

.input-icon {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: #999;
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

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

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
    background: #667eea;
    border-color: #667eea;
}

.checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.forgot-password {
    color: #667eea;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.forgot-password:hover {
    color: #5a67d8;
}

/* 登录按钮 */
.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

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

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 登录页脚 */
.login-footer {
    text-align: center;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.login-footer p {
    color: #999;
    font-size: 12px;
}

/* 背景装饰 */
.background-decoration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.bg-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.bg-shape-1 {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 10%;
    animation-delay: -2s;
}

.bg-shape-2 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 15%;
    animation-delay: -4s;
}

.bg-shape-3 {
    width: 100px;
    height: 100px;
    top: 60%;
    right: 20%;
    animation-delay: -1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 响应式设计 */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
        margin: 20px;
        border-radius: 15px;
    }
    
    .logo-section {
        gap: 12px;
    }
    
    .logo-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .logo-text h1 {
        font-size: 24px;
    }
    
    .logo-text p {
        font-size: 14px;
    }
}

/* 错误提示样式 */
.error-message {
    background: #fee;
    color: #c33;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #c33;
    font-size: 14px;
    display: none;
}

.success-message {
    background: #efe;
    color: #363;
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid #363;
    font-size: 14px;
    display: none;
}

/* 加载状态覆盖 */
.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
}