/**
 * 短链接管理平台 - 登录页面样式
 * 简洁大气的现代化设计
 */

/* ========== 背景样式 ========== */
body.signin {
    height: auto;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    position: relative;
    overflow: hidden;
}

/* 装饰性几何图形 */
body.signin::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    pointer-events: none;
}

body.signin::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 800px;
    height: 800px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    pointer-events: none;
}

/* ========== 登录面板 ========== */
.signinpanel {
    width: 750px;
    margin: 10% auto 0;
    color: rgba(255, 255, 255, 0.95);
    position: relative;
    z-index: 1;
}

/* Logo 区域 */
.signinpanel .logopanel {
    float: none;
    width: auto;
    padding: 0;
    background: transparent;
    text-align: center;
}

.signinpanel .logopanel h1 img {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

/* 信息区域 */
.signinpanel .signin-info {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.signinpanel .signin-info h4 {
    font-size: 24px;
    margin: 20px 0;
}

.signinpanel .signin-info h4 strong {
    font-weight: 600;
    color: #fff;
}

.signinpanel .signin-info ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.signinpanel .signin-info ul li {
    padding: 6px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.signinpanel .signin-info ul li i {
    color: rgba(255, 255, 255, 0.7);
    margin-right: 8px;
}

.signinpanel .signin-info a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.2s;
}

.signinpanel .signin-info a:hover {
    color: #fff;
    text-decoration: underline;
}

/* ========== 表单区域 ========== */
.signinpanel form {
    background: rgba(255, 255, 255, 0.95);
    border: none;
    border-radius: 12px;
    padding: 35px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.signinpanel form h4 {
    color: #333;
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 10px 0;
}

.signinpanel form p {
    color: #666;
    font-size: 14px;
    margin: 10px 0 20px 0;
}

/* 输入框样式 */
.signinpanel .form-control {
    display: block;
    margin-top: 15px;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 10px 14px;
    height: 42px;
    font-size: 14px;
    transition: all 0.3s;
    background-color: #fafafa;
}

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

.signinpanel .uname {
    background: #fafafa url(../img/user.png) no-repeat 95% center;
    color: #333;
}

.signinpanel .pword {
    background: #fafafa url(../img/locked.png) no-repeat 95% center;
    color: #333;
}

.signinpanel .code {
    background: #fafafa;
    color: #333;
    margin: 0 0 15px 0;
}

/* 验证码图片 */
.signinpanel .imgcode {
    cursor: pointer;
    border-radius: 4px;
    transition: opacity 0.2s;
}

.signinpanel .imgcode:hover {
    opacity: 0.8;
}

/* 记住我复选框 */
.signinpanel .checkbox-custom {
    margin-top: 15px;
}

.checkbox-custom label {
    color: #666;
    font-size: 14px;
}

/* 登录按钮 */
.signinpanel .btn {
    margin-top: 20px;
    height: 44px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 6px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.signinpanel .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

/* ========== 页脚 ========== */
.signup-footer {
    border-top: solid 1px rgba(255, 255, 255, 0.2);
    margin: 20px 0;
    padding-top: 15px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 13px;
}

/* ========== 响应式设计 ========== */
@media screen and (max-width: 768px) {
    .signinpanel {
        margin: 5% auto;
        width: 90%;
        max-width: 420px;
        padding: 0;
    }

    .signinpanel .signin-info {
        display: none;
    }

    .signinpanel form {
        margin-top: 0;
        padding: 25px;
    }

    .signinpanel form h4 {
        font-size: 20px;
    }

    body.signin::before,
    body.signin::after {
        display: none;
    }
}

@media screen and (max-width: 320px) {
    .signinpanel {
        margin: 5% 10px;
        width: auto;
    }

    .signinpanel form {
        padding: 20px 15px;
    }
}

/* ========== 通用样式优化 ========== */
.checkbox-custom {
    position: relative;
    padding: 0 15px 0 25px;
    margin-bottom: 7px;
    display: inline-block;
}

.checkbox-custom input[type="checkbox"] {
    opacity: 0;
    position: absolute;
    cursor: pointer;
    z-index: 2;
    margin: -6px 0 0 0;
    top: 50%;
    left: 3px;
}

.checkbox-custom label:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    margin-top: -9px;
    width: 18px;
    height: 17px;
    display: inline-block;
    border-radius: 2px;
    border: 1px solid #bbb;
    background: #fff;
}

.checkbox-custom input[type="checkbox"]:checked + label:after {
    position: absolute;
    display: inline-block;
    font-family: 'Glyphicons Halflings';
    content: "\e013";
    top: 42%;
    left: 3px;
    margin-top: -5px;
    font-size: 11px;
    line-height: 1;
    width: 16px;
    height: 16px;
    color: #667eea;
}

.checkbox-custom label {
    cursor: pointer;
    line-height: 1.2;
    font-weight: normal;
    margin-bottom: 0;
    text-align: left;
}

/* 移除旧版的 box-shadow */
.form-control,
.form-control:focus,
.has-error .form-control:focus,
.has-success .form-control:focus,
.has-warning .form-control:focus,
.navbar-collapse,
.navbar-form,
.navbar-form-custom .form-control:focus,
.navbar-form-custom .form-control:hover,
.open .btn.dropdown-toggle,
.panel,
.popover,
.progress,
.progress-bar {
    box-shadow: none;
}

.form-control:focus {
    border-color: #667eea !important;
}

/* Layer 弹窗样式 */
body .layer-ext-moon-msg[type="dialog"] {
    min-width: 100px !important;
}

body .layer-ext-moon-msg {
    background-color: rgba(0, 0, 0, 0.6);
    color: #fff;
    border: 0;
}

body .layer-ext-moon-msg .layui-layer-content {
    padding: 12px 25px;
    text-align: center;
}