:root{--auth-primary:#8b5cf6;--auth-primary-hover:#7c3aed;--auth-primary-light:rgba(139, 92, 246, 0.1);--auth-secondary:#06b6d4;--auth-secondary-hover:#0891b2;--auth-accent:#ec4899;--auth-bg-dark:#0B0E14;--auth-bg-medium:#0f1319;--auth-bg-card:#12161d;--auth-border:rgba(255, 255, 255, 0.06);--auth-text:#f8fafc;--auth-text-muted:#94a3b8;--auth-text-subtle:#64748b;--auth-gradient-primary:linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%);--auth-gradient-bg:linear-gradient(135deg, #0B0E14 0%, #0f1319 50%, #12161d 100%);--auth-gradient-glow:radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.15) 0%, transparent 60%);--auth-shadow-sm:0 2px 8px rgba(0, 0, 0, 0.3);--auth-shadow-md:0 8px 32px rgba(0, 0, 0, 0.4);--auth-shadow-lg:0 16px 48px rgba(0, 0, 0, 0.5);--auth-shadow-glow:0 0 40px rgba(139, 92, 246, 0.2);--auth-transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1)}body{background:var(--auth-bg-dark);font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--auth-text);min-height:100vh;overflow-x:hidden}.auth-wrapper{position:relative;display:flex;min-height:100vh;width:100%}.auth-brand-panel{display:none;flex:1;background:var(--auth-gradient-bg);position:relative;overflow:hidden}@media (min-width:992px){.auth-brand-panel{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:60px}}.auth-brand-panel::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 20% 30%,rgba(124,58,237,.08) 0,transparent 40%),radial-gradient(circle at 80% 70%,rgba(236,72,153,.06) 0,transparent 40%),radial-gradient(circle at 50% 50%,rgba(6,182,212,.04) 0,transparent 50%);animation:float 20s ease-in-out infinite}@keyframes float{0%,100%{transform:translate(0,0) rotate(0)}25%{transform:translate(2%,2%) rotate(1deg)}50%{transform:translate(0,4%) rotate(0)}75%{transform:translate(-2%,2%) rotate(-1deg)}}.auth-brand-panel::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);background-size:60px 60px;opacity:.5}.brand-content{position:relative;z-index:2;text-align:center;max-width:480px}.brand-logo{margin-bottom:40px}.brand-logo-icon{width:80px;height:80px;background:var(--auth-gradient-primary);border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 24px;box-shadow:var(--auth-shadow-glow)}.brand-logo-icon i{font-size:36px;color:#fff}.brand-title{font-size:32px;font-weight:700;color:var(--auth-text);margin-bottom:12px;letter-spacing:-.5px}.brand-subtitle{font-size:18px;color:var(--auth-text-muted);font-weight:400;line-height:1.6}.brand-features{margin-top:48px;text-align:left}.brand-feature{display:flex;align-items:flex-start;gap:16px;padding:16px 0;border-bottom:1px solid var(--auth-border)}.brand-feature:last-child{border-bottom:none}.brand-feature-icon{width:40px;height:40px;background:var(--auth-primary-light);border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.brand-feature-icon i{font-size:18px;color:var(--auth-primary)}.brand-feature-text h4{font-size:15px;font-weight:600;color:var(--auth-text);margin-bottom:4px}.brand-feature-text p{font-size:13px;color:var(--auth-text-muted);margin:0;line-height:1.5}.auth-form-panel{flex:1;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:40px 24px;background:var(--auth-bg-dark);position:relative}@media (min-width:992px){.auth-form-panel{max-width:560px;padding:60px}}.auth-form-panel::before{content:'';position:absolute;top:0;left:0;right:0;height:400px;background:var(--auth-gradient-glow);pointer-events:none}.auth-form-container{width:100%;max-width:400px;position:relative;z-index:2}.auth-mobile-logo{display:flex;flex-direction:column;align-items:center;margin-bottom:32px}@media (min-width:992px){.auth-mobile-logo{display:none}}.auth-mobile-logo .logo-icon{width:56px;height:56px;background:var(--auth-gradient-primary);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:var(--auth-shadow-glow)}.auth-mobile-logo .logo-icon i{font-size:24px;color:#fff}.auth-mobile-logo .logo-text{font-size:20px;font-weight:700;color:var(--auth-text)}.auth-card{background:var(--auth-bg-card);border:1px solid var(--auth-border);border-radius:16px;padding:32px;box-shadow:var(--auth-shadow-md)}@media (min-width:576px){.auth-card{padding:40px}}.auth-card-header{text-align:center;margin-bottom:32px}.auth-card-title{font-size:24px;font-weight:700;color:var(--auth-text);margin-bottom:8px;letter-spacing:-.3px}.auth-card-subtitle{font-size:14px;color:var(--auth-text-muted);margin:0;line-height:1.5}.auth-form .form-group{margin-bottom:20px}.auth-form .form-label{display:block;font-size:13px;font-weight:500;color:var(--auth-text);margin-bottom:8px}.auth-form .form-control{width:100%;height:48px;padding:12px 16px;font-size:14px;color:var(--auth-text);background:rgba(255,255,255,.04);border:1px solid var(--auth-border);border-radius:10px;transition:var(--auth-transition)}.auth-form .form-control::placeholder{color:var(--auth-text-subtle)}.auth-form .form-control:focus{outline:0;border-color:var(--auth-primary);background:rgba(124,58,237,.05);box-shadow:0 0 0 3px rgba(124,58,237,.1)}.auth-form .form-control.is-invalid{border-color:#ef4444;background:rgba(239,68,68,.05)}.input-icon-wrapper{position:relative}.input-icon-wrapper .form-control{padding-left:48px}.input-icon-wrapper .input-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--auth-text-subtle);font-size:16px;pointer-events:none;transition:var(--auth-transition)}.input-icon-wrapper .form-control:focus+.input-icon,.input-icon-wrapper .form-control:focus~.input-icon{color:var(--auth-primary)}.password-toggle{position:absolute;right:16px;top:50%;transform:translateY(-50%);background:0 0;border:none;color:var(--auth-text-subtle);cursor:pointer;padding:4px;transition:var(--auth-transition)}.password-toggle:hover{color:var(--auth-text)}.auth-form .form-check{display:flex;align-items:center;gap:10px}.auth-form .form-check-input{width:18px;height:18px;border:2px solid var(--auth-border);border-radius:4px;background:0 0;cursor:pointer;transition:var(--auth-transition)}.auth-form .form-check-input:checked{background:var(--auth-primary);border-color:var(--auth-primary)}.auth-form .form-check-input:focus{box-shadow:0 0 0 3px rgba(124,58,237,.2)}.auth-form .form-check-label{font-size:13px;color:var(--auth-text-muted);cursor:pointer}.form-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.forgot-link{font-size:13px;color:var(--auth-primary);text-decoration:none;font-weight:500;transition:var(--auth-transition)}.forgot-link:hover{color:var(--auth-primary-hover);text-decoration:underline}.btn-auth-primary{width:100%;height:48px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:15px;font-weight:600;color:#fff;background:var(--auth-gradient-primary);border:none;border-radius:10px;cursor:pointer;transition:var(--auth-transition);position:relative;overflow:hidden}.btn-auth-primary::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0,transparent 50%);opacity:0;transition:var(--auth-transition)}.btn-auth-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,.35)}.btn-auth-primary:hover:not(:disabled)::before{opacity:1}.btn-auth-primary:active:not(:disabled){transform:translateY(0)}.btn-auth-primary:disabled{opacity:.6;cursor:not-allowed}.btn-auth-primary .spinner{display:none;width:20px;height:20px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.btn-auth-primary.loading .spinner{display:block}.btn-auth-primary.loading .btn-text{display:none}@keyframes spin{to{transform:rotate(360deg)}}.btn-auth-secondary{width:100%;height:48px;display:flex;align-items:center;justify-content:center;gap:10px;font-size:15px;font-weight:600;color:var(--auth-text);background:rgba(255,255,255,.06);border:1px solid var(--auth-border);border-radius:10px;cursor:pointer;transition:var(--auth-transition)}.btn-auth-secondary:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.15)}.auth-alert{display:none;padding:14px 16px;border-radius:10px;font-size:13px;margin-bottom:20px;align-items:flex-start;gap:12px}.auth-alert.show{display:flex}.auth-alert-icon{flex-shrink:0;margin-top:1px}.auth-alert-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.2);color:#fca5a5}.auth-alert-error .auth-alert-icon{color:#ef4444}.auth-alert-success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.2);color:#86efac}.auth-alert-success .auth-alert-icon{color:#22c55e}.auth-footer{text-align:center;margin-top:24px}.auth-footer p{font-size:14px;color:var(--auth-text-muted);margin:0}.auth-footer a{color:var(--auth-primary);text-decoration:none;font-weight:600;transition:var(--auth-transition)}.auth-footer a:hover{color:var(--auth-primary-hover);text-decoration:underline}.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--auth-text-muted);text-decoration:none;transition:var(--auth-transition);margin-top:24px}.back-link:hover{color:var(--auth-text)}.back-link i{font-size:12px}.auth-divider{display:flex;align-items:center;gap:16px;margin:24px 0}.auth-divider::after,.auth-divider::before{content:'';flex:1;height:1px;background:var(--auth-border)}.auth-divider span{font-size:12px;color:var(--auth-text-subtle);text-transform:uppercase;letter-spacing:.5px}@media (max-width:575px){.auth-card{padding:24px;border-radius:12px}.auth-card-title{font-size:22px}.form-row{flex-direction:column;align-items:flex-start;gap:12px}}@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.auth-card{animation:fadeInUp .5s ease-out}.brand-content{animation:fadeInUp .6s ease-out .1s both}