:root{--bg: #f6f8ff;--panel: rgba(255, 255, 255, .78);--panel-strong: rgba(255, 255, 255, .92);--line: rgba(122, 138, 255, .24);--text: #13213b;--muted: #53617f;--brand-a: #5a8bff;--brand-b: #ff5ca8;--brand-c: #31d3c6;--danger: #ef476f;--shadow: 0 18px 50px rgba(44, 71, 146, .16)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Space Grotesk,sans-serif;color:var(--text);background:radial-gradient(circle at 10% -10%,rgba(90,139,255,.24),transparent 36%),radial-gradient(circle at 95% 15%,rgba(255,92,168,.2),transparent 35%),radial-gradient(circle at 80% 90%,rgba(49,211,198,.24),transparent 36%),var(--bg)}.theme-nebula{--bg: #f6f8ff;--brand-a: #5a8bff;--brand-b: #ff5ca8;--brand-c: #31d3c6;--line: rgba(122, 138, 255, .24)}.theme-citrus{--bg: #fbfff8;--brand-a: #16a34a;--brand-b: #f97316;--brand-c: #14b8a6;--line: rgba(22, 163, 74, .2)}.theme-coral{--bg: #fff8f8;--brand-a: #fb7185;--brand-b: #a855f7;--brand-c: #06b6d4;--line: rgba(251, 113, 133, .2)}.app-shell{position:relative;display:grid;grid-template-columns:minmax(250px,300px) minmax(0,1fr);gap:16px;min-height:100vh;padding:18px;overflow:hidden}.bg-orb{position:absolute;border-radius:999px;filter:blur(50px);opacity:.38;z-index:-1;animation:drift 12s ease-in-out infinite}.orb-a{width:360px;height:360px;background:var(--brand-a);top:-70px;left:-80px}.orb-b{width:320px;height:320px;background:var(--brand-b);top:35%;right:-130px}.orb-c{width:360px;height:360px;background:var(--brand-c);bottom:-120px;left:45%}.sidebar,.workspace{border:1px solid var(--line);background:var(--panel);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:22px;box-shadow:var(--shadow)}.sidebar{padding:18px;display:grid;align-content:start;gap:16px}.logo-pill{margin:0;display:inline-block;padding:6px 12px;border-radius:999px;color:#fff;background:linear-gradient(120deg,var(--brand-a),var(--brand-b));font-size:.78rem;font-weight:700}.sidebar h1{margin:10px 0 6px;font-size:clamp(1.3rem,1.2rem + 1vw,2rem);font-family:Bricolage Grotesque,sans-serif}.sidebar p{margin:0;color:var(--muted);line-height:1.5}.sidebar-actions,.theme-stack,.stats-stack{display:grid;gap:8px}.btn,.theme-btn,.chip-btn,input,select{font-family:Space Grotesk,sans-serif}.btn{border:0;border-radius:12px;padding:10px 12px;font-weight:700;cursor:pointer;transition:transform .2s ease,opacity .2s ease}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn-primary{color:#fff;background:linear-gradient(120deg,var(--brand-a),var(--brand-b))}.btn-soft{color:var(--text);background:var(--panel-strong);border:1px solid var(--line)}.btn-gradient{color:#fff;background:linear-gradient(120deg,var(--brand-b),var(--brand-c))}.theme-btn{border:1px solid var(--line);background:var(--panel-strong);border-radius:12px;padding:9px 10px;text-align:left;font-weight:700;color:var(--text);cursor:pointer}.theme-btn.active{background:linear-gradient(120deg,color-mix(in srgb,var(--brand-a),white 78%),color-mix(in srgb,var(--brand-b),white 84%))}.mini-stat{border:1px solid var(--line);border-radius:14px;padding:12px;background:var(--panel-strong)}.mini-stat h2{margin:0;font-size:.77rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}.mini-stat strong{display:block;margin-top:6px;font-size:1.3rem;font-family:Bricolage Grotesque,sans-serif}.workspace{padding:18px;display:grid;align-content:start;gap:12px}.workspace-header h2{margin:0;font-size:1.75rem;font-family:Bricolage Grotesque,sans-serif}.workspace-header p{margin:4px 0 0;color:var(--muted)}.control-panel{display:grid;grid-template-columns:2fr repeat(4,minmax(0,1fr));gap:8px}input,select{width:100%;border:1px solid var(--line);border-radius:12px;padding:10px;font-size:.95rem;color:var(--text);background:var(--panel-strong)}input::placeholder{color:#6f7da0}.option-row{display:flex;flex-wrap:wrap;gap:8px}.chip-btn{border:1px solid var(--line);background:var(--panel-strong);border-radius:999px;padding:7px 12px;font-size:.85rem;font-weight:700;color:var(--text);cursor:pointer}.chip-btn.active{color:#fff;background:linear-gradient(120deg,var(--brand-a),var(--brand-b))}.car-form{border:1px solid var(--line);border-radius:16px;padding:12px;background:var(--panel-strong);display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.state{margin:0;font-weight:700}.state.error{color:var(--danger)}.fleet-stream{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}.fleet-stream.compact{grid-template-columns:1fr}.car-thread,.empty-state{border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:16px;padding:12px;background:var(--panel-strong);animation:rise .4s ease-out both}.thread-head{display:flex;justify-content:space-between;align-items:center}.chip{margin:0;font-size:.73rem;font-weight:700;padding:4px 8px;border-radius:999px;color:#fff;background:color-mix(in srgb,var(--accent),black 12%)}.thread-year{font-size:.85rem;font-weight:700;color:var(--muted)}.car-thread h3,.empty-state h3{margin:10px 0 0;font-family:Bricolage Grotesque,sans-serif;font-size:1.18rem}.model{margin:4px 0 0;color:var(--muted)}.owner{margin:8px 0 0;font-weight:700}.thread-meta{margin-top:10px;display:flex;justify-content:space-between;gap:8px;font-size:.86rem;color:var(--muted)}.btn-remove{margin-top:10px;width:100%;color:#fff;background:linear-gradient(120deg,#f43f5e,#fb7185)}.empty-state{border-left-color:var(--brand-c)}.empty-state p{margin:6px 0 0;color:var(--muted)}@keyframes drift{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(10px) scale(1.04)}}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 1080px){.app-shell{grid-template-columns:1fr}.sidebar{order:2}.workspace{order:1}}@media (max-width: 760px){.app-shell{padding:12px}.control-panel,.car-form{grid-template-columns:1fr}}