:root{--color-bg:#f5f5f5;--color-panel-left:#fafbfc;--color-panel-right:#fff;--color-text-dark:#1b1f27;--color-text-body:#6b7280;--color-text-muted:#9aa0a6;--color-border:#e6e8ec;--color-input-bg:#fafafb;--color-accent-start:#5d5af0;--color-accent-end:#7c6ff5;--color-accent-solid:#5b56e8;--radius-lg:22px;--radius-md:14px;--radius-sm:10px;--font-main:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}body{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text-dark);justify-content:center;align-items:center;min-height:100vh;margin:0;padding:32px 16px;display:flex}.auth-shell{background:var(--color-panel-right);border-radius:var(--radius-lg);width:100%;max-width:800px;min-height:460px;display:flex;overflow:hidden;box-shadow:0 25px 60px -15px #1e29402e,0 2px 10px #1e29400a}.brand-panel{background:var(--color-panel-left);text-align:center;border-right:1px solid #eef0f3;flex-direction:column;flex:0 0 38%;justify-content:center;align-items:center;padding:40px 28px;display:flex}.brand-logo-card{background:#fff;border-radius:18px;justify-content:center;align-items:center;width:150px;height:150px;margin-bottom:22px;display:flex;box-shadow:0 12px 30px -8px #1e294026}.brand-logo-card .logo-inner{background:#1e222c;border-radius:12px;justify-content:center;align-items:center;width:118px;height:118px;display:flex}.brand-logo-card img{width:72px;height:auto;display:block}.brand-name{color:var(--color-text-dark);letter-spacing:.2px;margin:0 0 6px;font-size:20px;font-weight:700}.brand-tagline{color:var(--color-text-muted);margin:0;font-size:13px;font-style:italic}.form-panel{flex-direction:column;flex:1;justify-content:center;min-width:0;padding:40px;display:flex}.form-date{color:var(--color-text-muted);align-items:center;gap:7px;margin-bottom:18px;font-size:13px;display:flex}.form-date svg{opacity:.8;flex-shrink:0}.form-title{color:var(--color-text-dark);letter-spacing:-.3px;white-space:nowrap;margin:0 0 8px;font-size:23px;font-weight:700}.form-subtitle{color:var(--color-text-body);margin:0 0 28px;font-size:14px}.field-group{margin-bottom:18px}.field-label-row{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.field-label{color:var(--color-text-dark);font-size:13px;font-weight:700}.field-link{color:var(--color-accent-solid);font-size:13px;font-weight:600;text-decoration:none}.field-link:hover{text-decoration:underline}.input-wrap{align-items:center;display:flex;position:relative}.input-wrap svg{color:var(--color-text-muted);pointer-events:none;position:absolute;left:14px}.input-wrap input{width:100%;font-size:14px;font-family:var(--font-main);background:var(--color-input-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);color:var(--color-text-dark);outline:none;padding:12px 14px 12px 42px;transition:border-color .15s,box-shadow .15s}.input-wrap input::placeholder{color:#b3b8c2}.input-wrap input:focus{border-color:var(--color-accent-end);box-shadow:0 0 0 3px #7c6ff526}.field-error{color:#e0473e;margin:6px 0 0;font-size:12.5px}.btn-login{border-radius:var(--radius-sm);background:linear-gradient(95deg, var(--color-accent-start), var(--color-accent-end));color:#fff;width:100%;font-size:15px;font-weight:700;font-family:var(--font-main);cursor:pointer;border:none;justify-content:center;align-items:center;gap:9px;margin-top:8px;padding:13px 18px;transition:transform .12s,box-shadow .12s,filter .12s;display:flex;box-shadow:0 14px 28px -10px #5d5af08c}.btn-login:hover{filter:brightness(1.04);transform:translateY(-1px)}.btn-login:active{transform:translateY(0)}.form-divider{border:none;border-top:1px solid var(--color-border);margin:26px 0 18px}.form-footer{text-align:center;color:var(--color-text-muted);margin:0;font-size:13px}.form-footer strong,.form-footer .footer-link{color:var(--color-text-dark);font-weight:700;text-decoration:none}.form-footer .footer-link:hover{text-decoration:underline}.alert-banner{color:#b3261e;border-radius:var(--radius-sm);background:#fdecea;border:1px solid #f6c4bf;margin-bottom:18px;padding:10px 14px;font-size:13px}@media (width<=768px){.auth-shell{flex-direction:column;max-width:440px;min-height:0}.brand-panel{text-align:left;border-right:none;border-bottom:1px solid var(--color-border);flex-direction:row;flex:none;justify-content:flex-start;gap:16px;padding:24px 28px}.brand-logo-card{border-radius:14px;flex-shrink:0;width:64px;height:64px;margin-bottom:0}.brand-logo-card .logo-inner{border-radius:10px;width:50px;height:50px}.brand-logo-card img{width:34px;height:auto}.brand-text{text-align:left}.brand-name{margin-bottom:2px;font-size:16px}.brand-tagline{font-size:12px}.form-panel{padding:28px 26px 32px}.form-title{white-space:normal;font-size:21px}}@media (width<=380px){body{padding:16px 10px}.form-panel{padding:24px 18px 28px}.brand-panel{padding:20px 18px}}