/* =============================================================================
   众为播种机后台管理系统 - 登录页样式
   主题色：#168c77
   ============================================================================= */

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    margin: 0;
}

body {
    background: linear-gradient(135deg, #14313b 0%, #1b4a4b 45%, #168c77 100%);
}

/* 背景装饰层 */
body:after {
    content: '';
    background-image:
        radial-gradient(circle at 15% 20%, rgba(22, 140, 119, .35), transparent 42%),
        radial-gradient(circle at 85% 80%, rgba(22, 140, 119, .28), transparent 45%);
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
}

.layui-container {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.admin-login-background {
    width: 400px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

/* ============ 品牌标题区 ============ */
.zw-login-brand {
    text-align: center;
    margin-bottom: 22px;
}
.zw-login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 62px;
    height: 62px;
    border-radius: 16px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .28);
    box-shadow: 0 8px 22px rgba(0, 0, 0, .18);
    margin-bottom: 14px;
}
.zw-login-logo i {
    font-size: 30px;
    color: #fff;
}
.zw-login-title {
    margin: 0;
    color: #fff;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .22);
}
.zw-login-sub {
    margin: 7px 0 0;
    color: rgba(255, 255, 255, .68);
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

/* ============ 登录卡片 ============ */
.login-form {
    background-color: rgba(255, 255, 255, .97);
    border: 1px solid rgba(255, 255, 255, .6);
    border-radius: 14px;
    padding: 26px 26px 18px;
    box-shadow: 0 18px 44px rgba(0, 0, 0, .24);
    backdrop-filter: blur(6px);
}

.login-form .layui-form-item {
    position: relative;
    margin-bottom: 18px;
}

.login-form .layui-form-item label {
    position: absolute;
    left: 1px;
    top: 1px;
    width: 42px;
    line-height: 40px;
    text-align: center;
    color: #9fb4b8;
    font-size: 17px;
}

.login-form .layui-form-item input.layui-input {
    height: 42px;
    line-height: 42px;
    padding-left: 42px;
    border-radius: 9px;
    border-color: #d8e4e8;
    background: #f8fbfc;
}
.login-form .layui-form-item input.layui-input:focus {
    border-color: #168c77;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(22, 140, 119, .13);
}

.captcha {
    width: 58%;
    display: inline-block;
}

.captcha-img {
    display: inline-block;
    width: 38%;
    float: right;
}

.captcha-img img {
    height: 42px;
    border: 1px solid #e6e6e6;
    border-radius: 9px;
    width: 100%;
    cursor: pointer;
}

/* ============ 登录按钮 ============ */
.zw-login-btn {
    height: 44px;
    line-height: 44px;
    font-size: 15.5px;
    letter-spacing: 4px;
    background: linear-gradient(90deg, #168c77, #1aa88f) !important;
    border-radius: 9px;
    border: none;
    box-shadow: 0 8px 18px rgba(22, 140, 119, .32);
    transition: transform .15s, box-shadow .15s;
}
.zw-login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 11px 24px rgba(22, 140, 119, .42);
}

/* ============ 底部版权 ============ */
.zw-login-foot {
    text-align: center;
    margin: 16px 0 0;
    color: rgba(255, 255, 255, .58);
    font-size: 12px;
    letter-spacing: .5px;
}