.auth-section{min-height:calc(100vh - 200px);display:flex;align-items:stretch}.auth-container{display:flex;width:100%;max-width:1000px;margin:0 auto;min-height:600px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);margin:30px auto}
.auth-visual{flex:1;background:linear-gradient(135deg,var(--primary),var(--secondary));position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:40px}
.auth-visual-overlay{position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.auth-visual-content{position:relative;z-index:2;text-align:center;color:#fff}
.auth-brand .auth-logo-icon{width:80px;height:80px;background:rgba(255,255,255,.2);backdrop-filter:blur(10px);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 20px;border:2px solid rgba(255,255,255,.3)}
.auth-brand h1{font-size:32px;font-weight:800;margin-bottom:8px;text-shadow:0 2px 10px rgba(0,0,0,.2)}
.auth-brand p{font-size:15px;opacity:.9;margin-bottom:30px}
.auth-features{display:flex;flex-direction:column;gap:14px;max-width:280px;margin:0 auto}
.auth-feature{display:flex;align-items:center;gap:12px;font-size:14px;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);padding:12px 18px;border-radius:var(--radius);border:1px solid rgba(255,255,255,.2)}
.auth-feature i{font-size:18px;width:24px;text-align:center;flex-shrink:0}
.auth-visual-shapes{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.auth-shape{position:absolute;border-radius:50%;background:rgba(255,255,255,.08)}.shape-1{width:200px;height:200px;top:-60px;right:-60px}.shape-2{width:150px;height:150px;bottom:-40px;left:-40px}.shape-3{width:100px;height:100px;bottom:30%;right:10%;background:rgba(255,255,255,.05)}
.auth-form-side{flex:1;background:#fff;display:flex;align-items:center;justify-content:center;padding:40px}
.auth-form-wrapper{width:100%;max-width:400px}
.auth-form-header{text-align:center;margin-bottom:24px;position:relative}
.auth-back{position:absolute;left:-10px;top:-10px;width:36px;height:36px;border-radius:50%;background:var(--bg3);display:flex;align-items:center;justify-content:center;color:var(--text);transition:var(--transition)}
.auth-back:hover{background:var(--primary);color:#fff}
.auth-form-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--primary-light),rgba(233,30,99,.1));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--primary);margin:0 auto 14px}
.auth-form-header h2{font-size:22px;font-weight:700;color:var(--dark);margin-bottom:4px}
.auth-form-header p{font-size:13px;color:var(--text-light)}
.auth-tabs{display:flex;position:relative;background:var(--bg3);border-radius:var(--radius);padding:4px;margin-bottom:24px}
.auth-tab{flex:1;padding:10px;text-align:center;font-size:13px;font-weight:600;color:var(--text-light);border-radius:var(--radius-sm);transition:var(--transition);position:relative;z-index:2}
.auth-tab.active{color:var(--primary)}
.auth-tab-indicator{position:absolute;top:4px;left:4px;width:calc(50% - 4px);height:calc(100% - 8px);background:#fff;border-radius:var(--radius-sm);box-shadow:0 2px 8px rgba(0,0,0,.08);transition:transform .3s ease;z-index:1}
.auth-tab-indicator.right{transform:translateX(100%)}
.auth-welcome{text-align:center;margin-bottom:20px}
.auth-welcome h2{font-size:20px;font-weight:700;color:var(--dark);margin-bottom:4px}
.auth-welcome p{font-size:13px;color:var(--text-light)}
.input-group-modern{position:relative;margin-bottom:14px}
.input-group-modern .input-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:15px;z-index:2;pointer-events:none;transition:var(--transition)}
.input-group-modern input{width:100%;padding:13px 14px 13px 44px;border:2px solid var(--border);border-radius:var(--radius);font-size:14px;transition:var(--transition);background:var(--bg2)}
.input-group-modern input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(233,30,99,.08);background:#fff}
.input-group-modern input:focus+.input-icon,.input-group-modern input:focus~.input-icon{color:var(--primary)}
.toggle-pass{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:15px;z-index:2;background:none;border:none;cursor:pointer;padding:4px;transition:var(--transition)}
.toggle-pass:hover{color:var(--primary)}
.auth-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.modern-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-light);cursor:pointer;user-select:none}
.modern-check input{display:none}
.checkmark{width:18px;height:18px;border:2px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0}
.modern-check input:checked+.checkmark{background:var(--primary);border-color:var(--primary)}
.modern-check input:checked+.checkmark::after{content:'\f00c';font-family:'Font Awesome 6 Free';font-weight:900;color:#fff;font-size:10px}
.auth-link{font-size:13px;color:var(--primary);font-weight:500}
.auth-link:hover{text-decoration:underline}
.auth-btn-primary{width:100%;padding:13px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:16px}
.auth-btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(233,30,99,.3)}
.auth-alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.auth-alert-error{background:#FFEBEE;color:var(--danger);border:1px solid rgba(244,67,54,.2)}
.auth-alert-success{background:#E8F5E9;color:var(--success);border:1px solid rgba(76,175,80,.2)}
.auth-alert-success a{font-weight:600}
.auth-divider{text-align:center;margin:16px 0;position:relative}
.auth-divider::before{content:'';position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border)}
.auth-divider span{background:#fff;padding:0 16px;position:relative;font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}
.auth-switch{text-align:center;font-size:13px;color:var(--text-light)}
.auth-switch a{color:var(--primary);font-weight:600}
.auth-switch a:hover{text-decoration:underline}
@media(max-width:768px){
.auth-section{padding:0;min-height:auto}
.auth-container{flex-direction:column;margin:0;border-radius:0;min-height:auto}
.auth-visual{display:none}
.auth-form-side{padding:24px 16px;min-height:calc(100vh - 180px)}
.auth-tabs{margin-bottom:20px}
}
@media(max-width:480px){
.auth-form-wrapper{max-width:100%}
}