/* ====== Pro Login Page - White Split Layout ====== */
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;font-family:'Microsoft YaHei','PingFang SC','Helvetica Neue',Arial,sans-serif;background:#fff}

.login-wrapper{display:flex;min-height:100vh}

/* --- Left Panel --- */
.login-left{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(135deg,#f0f4f8 0%,#e2e8f0 100%);padding:40px;position:relative;overflow:hidden}
.login-left::before{content:'';position:absolute;top:-80px;right:-80px;width:260px;height:260px;border-radius:50%;background:rgba(45,52,54,.04)}
.login-left::after{content:'';position:absolute;bottom:-60px;left:-60px;width:200px;height:200px;border-radius:50%;background:rgba(45,52,54,.03)}
.login-logo{width:300px;height:300px;margin-bottom:28px;border-radius:20px;box-shadow:0 8px 30px rgba(0,0,0,.08);background:#fff;padding:12px;position:relative}
.login-logo img{width:100%;height:100%;object-fit:contain}
.login-logo .logo-reflection{position:absolute;left:12px;bottom:-30px;width:calc(100% - 24px);height:40px;opacity:.18;pointer-events:none;border-radius:0 0 20px 20px;overflow:hidden;-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent);mask-image:linear-gradient(to bottom,rgba(0,0,0,.5),transparent);filter:blur(1px);-webkit-filter:blur(1px);transform:scaleY(-1)}
.login-systitle{font-size:35px;font-weight:700;color:#2d3436;text-align:center;line-height:1.4;letter-spacing:1px}
.login-sysdesc{font-size:13px;color:#636e72;margin-top:10px;text-align:center;letter-spacing:.5px}

/* --- Right Panel --- */
.login-right{flex:1;display:flex;align-items:center;justify-content:center;background:#fff;padding:40px}
.login-form-box{width:100%;max-width:380px}
.login-form-title{font-size:24px;font-weight:700;color:#2d3436;margin-bottom:8px}
.login-form-subtitle{font-size:13px;color:#b2bec3;margin-bottom:36px}

/* --- Form Elements --- */
.login-field{margin-bottom:20px;position:relative}
.login-field label{display:block;font-size:13px;color:#636e72;margin-bottom:6px;font-weight:500}
.login-field input[type="text"],
.login-field input[type="password"]{width:100%;height:44px;border:1px solid #dfe6e9;border-radius:6px;padding:0 14px;font-size:14px;color:#2d3436;outline:none;transition:border-color .2s,box-shadow .2s;background:#fff}
.login-field input:focus{border-color:#2d3436;box-shadow:0 0 0 3px rgba(45,52,54,.08)}
.login-field input::placeholder{color:#b2bec3}

.login-code-row{display:flex;gap:10px;align-items:flex-start}
.login-code-row input{flex:1}
.login-code-row .code-img{flex-shrink:0;height:44px;border-radius:6px;overflow:hidden;cursor:pointer;border:1px solid #dfe6e9}
.login-code-row .code-img img{height:100%;display:block}

.login-btn{width:100%;height:46px;background:#2d3436;color:#fff;border:none;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;letter-spacing:2px;transition:background .2s,box-shadow .2s}
.login-btn:hover{background:#636e72;box-shadow:0 4px 14px rgba(45,52,54,.18)}
.login-btn:disabled{background:#b2bec3;cursor:not-allowed;box-shadow:none}

/* --- Error Tip --- */
.login-tip{margin-top:16px;padding:10px 14px;border-radius:6px;font-size:13px;display:none}
.login-tip.show{display:block}
.login-tip.error{background:#fff5f5;color:#d63031;border:1px solid #ffe0e0}

/* --- Footer --- */
.login-footer{position:absolute;bottom:20px;left:0;right:0;text-align:center;font-size:12px;color:#b2bec3}
.login-footer a{color:#636e72;text-decoration:none}

/* --- Responsive --- */
@media(max-width:768px){
    .login-left{display:none}
    .login-right{padding:30px 24px}
    .login-form-box{max-width:100%}
}