/* 认证页面样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    height: 100vh;
    overflow: hidden;
}

/* 登录页面背景 */
.login-body {
    background:
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%),
        linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%;
    animation: backgroundShift 15s ease-in-out infinite;
    position: relative;
    overflow: hidden;
}

@keyframes backgroundShift {
    0%, 100% {
        background:
            radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
            radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
            radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%),
            linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    }
    25% {
        background:
            radial-gradient(circle at 60% 30%, rgba(120, 119, 198, 0.4) 0%, transparent 50%),
            radial-gradient(circle at 30% 70%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
            radial-gradient(circle at 70% 60%, rgba(120, 219, 255, 0.3) 0%, transparent 50%),
            linear-gradient(135deg, #764ba2 0%, #667eea 50%, #4facfe 100%);
    }
    50% {
        background:
            radial-gradient(circle at 80% 60%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
            radial-gradient(circle at 20% 40%, rgba(255, 119, 198, 0.4) 0%, transparent 50%),
            radial-gradient(circle at 50% 80%, rgba(120, 219, 255, 0.2) 0%, transparent 50%),
            linear-gradient(135deg, #f093fb 0%, #f5576c 50%, #4facfe 100%);
    }
    75% {
        background:
            radial-gradient(circle at 40% 20%, rgba(120, 119, 198, 0.4) 0%, transparent 50%),
            radial-gradient(circle at 70% 80%, rgba(255, 119, 198, 0.2) 0%, transparent 50%),
            radial-gradient(circle at 30% 50%, rgba(120, 219, 255, 0.4) 0%, transparent 50%),
            linear-gradient(135deg, #4facfe 0%, #00f2fe 50%, #667eea 100%);
    }
}

/* 背景装饰层 */
.login-body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: decorShift 20s ease-in-out infinite reverse;
    pointer-events: none;
}

@keyframes decorShift {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(10px, -10px) rotate(1deg); }
    50% { transform: translate(-5px, 5px) rotate(-0.5deg); }
    75% { transform: translate(-10px, -5px) rotate(0.5deg); }
}

/* 注册页面背景 */
.register-body {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

/* 认证容器 */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    position: relative;
    z-index: 10;
}

/* 认证卡片 */
.auth-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);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 认证头部 */
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 24px;
}

.register-logo {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

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

.auth-header p {
    color: #666;
    font-size: 14px;
}

/* 表单样式 */
.auth-form {
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 16px;
}

.input-wrapper input {
    width: 100%;
    padding: 15px 50px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

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

.register-body .input-wrapper input:focus {
    border-color: #11998e;
    box-shadow: 0 0 0 3px rgba(17, 153, 142, 0.1);
}

/* 按钮样式 */
.auth-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.register-btn {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    color: white;
}

.register-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(17, 153, 142, 0.3);
}

/* 消息样式 */
.error-message, .success-message {
    padding: 12px 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.error-message {
    background: #fee;
    color: #c53030;
    border: 1px solid #fed7d7;
}

.success-message {
    background: #f0fff4;
    color: #38a169;
    border: 1px solid #c6f6d5;
}

/* 页脚 */
.auth-footer {
    text-align: center;
}

.auth-footer p {
    color: #666;
    font-size: 14px;
}

.auth-footer a {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

.register-body .auth-footer a {
    color: #11998e;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* 密码显示/隐藏按钮样式 */
.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
    font-size: 16px;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
}

.password-toggle:hover {
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
}

.register-body .password-toggle:hover {
    color: #11998e;
    background: rgba(17, 153, 142, 0.1);
}

.password-toggle:active {
    transform: translateY(-50%) scale(0.95);
}

.password-toggle i {
    font-size: 14px;
    transition: all 0.3s ease;
}



/* 背景装饰 */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

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

.circle-1 {
    width: 100px;
    height: 100px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.circle-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.circle-3 {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

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

/* 响应式设计 */
@media (max-width: 480px) {
    .auth-card {
        margin: 20px;
        padding: 30px 20px;
    }
    
    .auth-header h1 {
        font-size: 24px;
    }
}