*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
    --accent:#0071e3;--accent-hover:#0077ED;--accent-light:rgba(0,113,227,.08);
    --black:#1d1d1f;--gray-100:#f5f5f7;--gray-200:#e8e8ed;--gray-400:#86868b;
    --gray-600:#48484a;--white:#fff;--radius:12px;--shadow:0 2px 20px rgba(0,0,0,.08);
}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
    background:var(--gray-100);color:var(--black);min-height:100vh;display:flex;align-items:center;justify-content:center}
.login-wrapper{display:flex;width:100%;max-width:1000px;min-height:600px;background:var(--white);
    border-radius:20px;box-shadow:0 8px 60px rgba(0,0,0,.1);overflow:hidden;margin:20px}

/* Left panel */
.login-left{flex:1;background:linear-gradient(135deg,#0a0a0a 0%,#1a1a2e 100%);color:var(--white);
    padding:48px 40px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.login-left::before{content:'';position:absolute;top:-50%;right:-50%;width:100%;height:100%;
    background:radial-gradient(circle,rgba(0,113,227,.15) 0%,transparent 60%);pointer-events:none}
.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:32px}
.brand-name{font-size:20px;font-weight:700;letter-spacing:2px}
.login-title{font-size:32px;font-weight:700;line-height:1.2;margin-bottom:16px}
.login-desc{font-size:15px;color:rgba(255,255,255,.6);line-height:1.6;margin-bottom:32px}
.login-agents{display:flex;flex-wrap:wrap;gap:8px}
.agent-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:20px;
    font-size:12px;font-weight:600;letter-spacing:.5px;color:rgba(255,255,255,.7)}
.agent-pill svg{opacity:.6}
.login-footer-left{margin-top:auto;padding-top:32px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.4);
    text-decoration:none;font-size:13px;transition:color .2s}
.back-link:hover{color:var(--accent)}

/* Right panel */
.login-right{flex:1;padding:48px 40px;display:flex;flex-direction:column;justify-content:center;align-items:center}
.login-card{width:100%;max-width:360px}
.login-tabs{display:flex;gap:4px;background:var(--gray-100);border-radius:10px;padding:4px;margin-bottom:32px}
.tab{flex:1;padding:10px;border:none;background:transparent;border-radius:8px;font-size:14px;
    font-weight:600;color:var(--gray-400);cursor:pointer;transition:all .2s;font-family:inherit}
.tab.active{background:var(--white);color:var(--black);box-shadow:0 1px 4px rgba(0,0,0,.1)}

.login-form{display:none;flex-direction:column;gap:20px}
.login-form.active{display:flex}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:13px;font-weight:600;color:var(--gray-600)}
.form-group input{padding:12px 16px;border:1.5px solid var(--gray-200);border-radius:10px;font-size:15px;
    font-family:inherit;outline:none;transition:border-color .2s;background:var(--gray-100)}
.form-group input:focus{border-color:var(--accent);background:var(--white)}
.form-group input::placeholder{color:var(--gray-400)}

.btn-submit{padding:14px;border:none;background:var(--accent);color:var(--white);border-radius:10px;
    font-size:15px;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit;position:relative}
.btn-submit:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn-submit.loading .btn-text{opacity:0}
.btn-submit.loading .btn-loader{display:block}
.btn-loader{display:none;position:absolute;top:50%;left:50%;width:20px;height:20px;
    margin:-10px 0 0 -10px;border:2px solid rgba(255,255,255,.3);border-top-color:var(--white);
    border-radius:50%;animation:spin .6s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.form-error{font-size:13px;color:#ff3b30;text-align:center;min-height:18px}
.login-footer-text{margin-top:24px;font-size:12px;color:var(--gray-400);text-align:center}

/* Responsive */
@media(max-width:768px){
    .login-wrapper{flex-direction:column;margin:0;border-radius:0;min-height:100vh}
    .login-left{padding:32px 24px;min-height:auto}
    .login-title{font-size:24px}
    .login-right{padding:32px 24px}
    .login-footer-left{display:none}
}