.auth-container{--bg: #0a0d12;--surface: #111520;--border: rgba(255, 255, 255, .07);--accent: #00e5a0;--accent2: #0066ff;--text: #f0f2f5;--muted: #6b7280;--error: #ff4d4f;--success: #00e5a0;font-family:DM Sans,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;overflow:hidden;width:100vw;margin:0;padding:0;position:absolute;top:0;left:0;box-sizing:border-box}.auth-container *,.auth-container *:before,.auth-container *:after{box-sizing:border-box}.panel-left{flex:1;display:flex;flex-direction:column;justify-content:space-between;padding:48px 56px;position:relative;overflow:hidden}.panel-left:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 60% at 20% 50%,rgba(0,229,160,.08) 0%,transparent 70%),radial-gradient(ellipse 60% 80% at 80% 20%,rgba(0,102,255,.06) 0%,transparent 60%);pointer-events:none}.grid-lines{position:absolute;top:0;right:0;bottom:0;left: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:48px 48px;pointer-events:none}.brand{display:flex;align-items:center;gap:12px;position:relative;z-index:1}.brand-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:Syne,sans-serif;font-weight:800;font-size:18px;color:#000}.brand-name{font-family:Syne,sans-serif;font-weight:700;font-size:20px;letter-spacing:-.3px}.hero-copy{position:relative;z-index:1}.hero-copy h1{font-family:Syne,sans-serif;font-weight:800;font-size:clamp(32px,3.5vw,52px);line-height:1.1;letter-spacing:-1.5px;margin-bottom:20px}.hero-copy h1 span{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-copy p{color:var(--muted);font-size:16px;line-height:1.6;max-width:380px}.features{position:relative;z-index:1;display:flex;flex-direction:column;gap:12px}.feature-item{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:14px}.feature-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;flex-shrink:0}.panel-right{width:480px;flex-shrink:0;background:var(--surface);border-left:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;padding:56px 48px;position:relative}.auth-tabs{display:flex;gap:0;margin-bottom:40px;background:#ffffff0a;border-radius:10px;padding:4px}.tab-btn{flex:1;padding:10px;border:none;background:transparent;color:var(--muted);font-family:Syne,sans-serif;font-weight:600;font-size:14px;cursor:pointer;border-radius:8px;transition:all .2s;letter-spacing:.3px}.tab-btn.active{background:var(--accent);color:#000}.auth-form{display:none;flex-direction:column;gap:18px}.auth-form.visible{display:flex;animation:fadeUp .3s ease}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.form-title{font-family:Syne,sans-serif;font-weight:700;font-size:26px;letter-spacing:-.5px;margin-bottom:4px}.form-subtitle{color:var(--muted);font-size:14px;margin-bottom:8px}.field{display:flex;flex-direction:column;gap:7px}.auth-container label{font-size:13px;font-weight:500;color:#fff9;letter-spacing:.2px}.auth-container input{background:#ffffff0a;border:1px solid var(--border);border-radius:10px;padding:13px 16px;color:var(--text);font-family:DM Sans,sans-serif;font-size:15px;outline:none;transition:border-color .2s,background .2s;width:100%}.auth-container input:focus{border-color:var(--accent);background:#00e5a00a}.auth-container input::placeholder{color:var(--muted)}.btn-submit{padding:14px;background:var(--accent);color:#000;border:none;border-radius:10px;font-family:Syne,sans-serif;font-weight:700;font-size:15px;cursor:pointer;transition:opacity .2s,transform .15s;letter-spacing:.3px;margin-top:4px;position:relative;overflow:hidden}.btn-submit:hover{opacity:.9;transform:translateY(-1px)}.btn-submit:active{transform:translateY(0)}.btn-submit:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-submit .spinner{display:none;width:18px;height:18px;border:2px solid rgba(0,0,0,.3);border-top-color:#000;border-radius:50%;animation:spin .7s linear infinite;margin:0 auto}.btn-submit.loading .btn-text{display:none}.btn-submit.loading .spinner{display:block}@keyframes spin{to{transform:rotate(360deg)}}.alert{display:none;padding:12px 16px;border-radius:10px;font-size:14px;line-height:1.4;animation:fadeUp .2s ease}.alert.error{display:flex;background:#ff4d4f1a;border:1px solid rgba(255,77,79,.3);color:#ff7875}.alert.success{display:flex;background:#00e5a014;border:1px solid rgba(0,229,160,.3);color:var(--accent)}.alert-icon{margin-right:10px;flex-shrink:0}.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.pwd-strength{display:flex;gap:4px;margin-top:6px}.pwd-bar{flex:1;height:3px;background:#ffffff14;border-radius:2px;transition:background .3s}.pwd-bar.weak{background:#ff4d4f}.pwd-bar.medium{background:#faad14}.pwd-bar.strong{background:var(--accent)}@media(max-width:800px){.panel-left{display:none}.panel-right{width:100%;padding:40px 28px}}