:root{--bg: #0A0E15;--bg-alt: #0A0E15;--surface: #212631;--surface-2: #181C24;--surface-3: #293040;--surface-hover: #293040;--surface-hi: #313C52;--overlay: rgba(0,0,0,.65);--blue: #FFFFFF;--blue-dark: #E0E4EC;--blue-light: rgba(255,255,255,.08);--blue-mid: rgba(255,255,255,.06);--blue-hover: #E8EDF5;--blue-glow: rgba(255,255,255,.06);--blue-dim: rgba(255,255,255,.05);--cyan: #FFFFFF;--cyan-dim: rgba(255,255,255,.05);--purple: #667085;--purple-bg: rgba(102,112,133,.18);--purple-dim: rgba(102,112,133,.18);--green: #00C896;--green-bg: rgba(0,200,150,.12);--green-dim: rgba(0,200,150,.12);--amber: #FF9F43;--amber-bg: rgba(255,159,67,.12);--red: #FF5E6C;--red-bg: rgba(255,94,108,.12);--red-dim: rgba(255,94,108,.12);--orange: #FF9F43;--orange-dim: rgba(255,159,67,.12);--text: #FFFFFF;--text-primary: #FFFFFF;--text-secondary: #BCC4D4;--text-2: #BCC4D4;--text-3: #667085;--text-muted: #667085;--text-inv: #0A0E15;--border: rgba(102,112,133,.28);--border-2: rgba(102,112,133,.22);--border-3: 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#00c89666}.progress-step.active{background:#fff;width:24px;border-radius:4px;box-shadow:0 0 8px #ffffff26}.signup-content{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--sp-8) var(--sp-6)}.signup-card{background:var(--surface);border-radius:var(--r-xl);border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:var(--sp-10);width:100%;max-width:560px}.signup-step-num{font-size:12px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--green);margin-bottom:var(--sp-2)}.signup-step-title{font-family:Space Grotesk,sans-serif;font-size:24px;font-weight:700;letter-spacing:-.02em;margin-bottom:var(--sp-2);color:var(--text-primary)}.signup-step-sub{font-size:15px;color:var(--text-2);margin-bottom:var(--sp-8);line-height:1.5}.signup-actions{display:flex;gap:var(--sp-3);margin-top:var(--sp-8);justify-content:flex-end}.skill-selector-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}.skill-selector-item{border:2px solid var(--border);border-radius:var(--r-md);padding:var(--sp-3) var(--sp-4);cursor:pointer;transition:all .18s;display:flex;align-items:center;gap:var(--sp-3)}.skill-selector-item:hover{border-color:#ffffff4d;background:#ffffff0a}.skill-selector-item.selected{border-color:#fff;background:#ffffff0f}.skill-selector-check{width:20px;height:20px;border-radius:50%;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:11px;flex-shrink:0;transition:all .18s}.skill-selector-item.selected .skill-selector-check{background:#fff;border-color:#fff;color:#0a0e15}.skill-selector-label{font-size:13px;font-weight:500;line-height:1.4;color:var(--text-secondary)}.skill-emoji{font-size:18px}.alert{padding:var(--sp-4);border-radius:var(--r-md);font-size:14px;line-height:1.5;margin-bottom:var(--sp-4)}.alert-info{background:#ffffff0a;color:var(--text-secondary);border:1px solid var(--border)}.alert-success{background:var(--green-bg);color:var(--green);border:1px solid rgba(0,200,150,.2)}.alert-error{background:var(--red-bg);color:var(--red);border:1px solid rgba(255,94,108,.2)}.mobile-header{display:none;background:#0a0e15eb;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-soft);padding:var(--sp-3) var(--sp-4);align-items:center;justify-content:space-between;position:sticky;top:0;z-index:90;flex-shrink:0}@media(max-width:1024px){.metric-grid{grid-template-columns:repeat(2,1fr)}.three-col{grid-template-columns:1fr 1fr}}@media(max-width:768px){.sidebar{display:none}.bottom-nav{display:block}.mobile-header{display:flex}.page-content{padding:var(--sp-4);padding-bottom:80px}.metric-grid{grid-template-columns:repeat(2,1fr);gap:var(--sp-3)}.metric-value{font-size:26px}.skill-grid,.integration-grid,.two-col,.three-col,.form-row{grid-template-columns:1fr}.chat-shell{height:100vh;padding-bottom:64px}.auth-card{padding:var(--sp-8) var(--sp-6);border-radius:var(--r-lg)}.signup-card{padding:var(--sp-8) var(--sp-6)}.chat-messages{padding:var(--sp-4)}.chat-bubble{max-width:88%}.skill-selector-grid{grid-template-columns:1fr}}@media(max-width:480px){.metric-grid{grid-template-columns:1fr 1fr}.btn-lg{padding:12px 22px;font-size:15px}}.btn{transition:all .18s ease}@keyframes msgSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chat-msg{animation:msgSlideIn .22s ease-out}@keyframes cursorBlink{0%,to{opacity:1}50%{opacity:0}}.streaming-cursor{display:inline-block;width:2px;height:1em;background:var(--green);margin-left:2px;animation:cursorBlink .8s infinite;vertical-align:text-bottom;box-shadow:0 0 4px #00c89666}.tool-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-full);background:#ffffff0f;color:var(--text-secondary);font-size:12px;font-weight:500;border:1px solid var(--border-soft)}.tool-pill .spinner{width:12px;height:12px;border:2px solid rgba(255,255,255,.15);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes pulse-green{0%,to{opacity:1}50%{opacity:.4}}