:root{font-family:system-ui,"Segoe UI",Roboto,sans-serif;color:#0f172a;background:#f8fafc;font-synthesis:none;text-rendering:optimizeLegibility;--sky:#0ea5e9;--sky-hover:#38bdf8;--orange:#F28433;--line:#e2e8f0;--muted:#64748b;--panel:rgba(255,255,255,.86);--panel-subtle:rgba(255,255,255,.76);--text:#0f172a}
:root.dark{color-scheme:dark;background:#020817;--line:rgba(51,65,85,.72);--muted:#94a3b8;--panel:rgba(30,41,59,.72);--panel-subtle:rgba(15,23,42,.68);--text:#f1f5f9}
*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:#f8fafc}html.dark{background:#020817}body{min-width:320px;min-height:100vh;margin:0;background:transparent;color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}
.page-background{position:fixed;inset:0;z-index:0;pointer-events:none;background-color:#f8fafc;background-image:linear-gradient(rgba(248,250,252,.2),rgba(248,250,252,.2)),url("https://itzipper.com/background.light.png");background-size:cover;background-position:center;background-repeat:no-repeat}.dark .page-background{background-color:#020817;background-image:linear-gradient(rgba(2,8,23,.63),rgba(2,8,23,.63)),url("https://itzipper.com/background-dark.png")}
.app-shell{position:relative;z-index:1;min-height:100vh}.topbar{position:sticky;top:0;z-index:30;width:100%;background:rgba(248,250,252,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}.dark .topbar{background:rgba(2,8,23,.78)}
.topbar-inner{max-width:64rem;margin:auto;padding:calc(1.25rem + env(safe-area-inset-top)) 1rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:flex;align-items:center;gap:14px;color:inherit;text-decoration:none;min-width:0}.brand img{display:block;width:auto;height:3.5rem;filter:drop-shadow(0 0 10px rgba(0,126,212,.18))}.dark .brand img{filter:drop-shadow(0 0 22px rgba(110,193,255,.55))}.brand-label{border-left:1px solid var(--line);padding-left:13px;color:#475569;font-size:10px;font-weight:700;letter-spacing:.14em;white-space:nowrap}.dark .brand-label{color:#cbd5e1}
.top-actions{display:flex;align-items:center;gap:.75rem}.badge{border:1px solid rgba(14,165,233,.24);border-radius:999px;background:rgba(224,242,254,.72);color:#0369a1;padding:.35rem .7rem;font-size:9px;font-weight:700;letter-spacing:.1em;white-space:nowrap}.dark .badge{border-color:rgba(14,165,233,.3);background:rgba(14,165,233,.1);color:#7dd3fc}.signout,.secondary-link{color:#64748b;font-size:12px;text-decoration:none}.signout:hover,.secondary-link:hover{color:var(--orange)}
.theme-toggle{position:relative;display:inline-flex;width:52px;height:28px;flex:0 0 auto;align-items:center;border:1px solid #cbd5e1;border-radius:999px;background:#e2e8f0;color:#64748b}.dark .theme-toggle{border-color:#334155;background:#1e293b;color:#cbd5e1}.theme-toggle svg{position:absolute;width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.sun-icon{left:5px;color:#f59e0b}.moon-icon{right:5px}.toggle-knob{position:absolute;left:3px;top:3px;width:20px;height:20px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0f172a30;transition:transform .18s ease}.dark .toggle-knob{transform:translateX(25px);background:#e2e8f0}
main{max-width:64rem;margin:0 auto;padding:1.5rem 1rem 4rem}.welcome{display:flex;align-items:flex-end;justify-content:space-between;gap:1.25rem;margin:0 0 1.5rem;padding:.5rem 0 1.2rem}.eyebrow{margin:0 0 .5rem;color:#64748b;font-size:10px;font-weight:700;letter-spacing:.15em;text-transform:uppercase}.dark .eyebrow{color:#94a3b8}.welcome h1{margin:0;color:var(--text);font-size:clamp(1.65rem,4vw,2.35rem);line-height:1.1;letter-spacing:-.035em}.welcome-copy{max-width:44rem;margin:.75rem 0 0;color:#475569;font-size:.9rem}.dark .welcome-copy{color:#cbd5e1}
.primary{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;border:0;border-radius:999px;background:var(--sky);color:#fff;padding:.65rem 1rem;font-size:.8rem;font-weight:700;line-height:1.1;box-shadow:0 4px 12px rgba(14,165,233,.18);transition:background .16s ease,transform .16s ease}.primary:hover{background:var(--sky-hover);transform:translateY(-1px)}.link{width:100%;margin-top:1rem;text-decoration:none}
.gate{width:min(100%,28rem);margin:clamp(2.5rem,10vh,6rem) auto;padding:2.2rem 2rem;text-align:center;border:1px solid rgba(226,232,240,.88);border-radius:1rem;background:var(--panel);box-shadow:0 18px 54px rgba(15,23,42,.1);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.dark .gate{border-color:rgba(71,85,105,.58);box-shadow:0 18px 54px rgba(0,0,0,.24)}.gate-logo{display:block;width:12rem;height:auto;margin:0 auto 1.4rem}.gate h1{margin:.9rem 0 .55rem;color:var(--text);font-size:1.5rem;letter-spacing:-.03em}.gate p:not(.eyebrow){margin:.5rem 0 1rem;color:var(--muted);font-size:.82rem;line-height:1.6}
.status-pill{display:inline-flex;align-items:center;gap:.45rem;border:1px solid rgba(14,165,233,.24);border-radius:999px;background:rgba(224,242,254,.72);color:#0369a1;padding:.35rem .65rem;font-size:9px;font-weight:700;letter-spacing:.12em}.status-pill span,.note-dot{width:7px;height:7px;border-radius:50%;background:var(--sky)}.status-pill.warning{border-color:rgba(242,132,51,.3);background:rgba(255,237,213,.74);color:#c2410c}.status-pill.warning span{background:var(--orange)}
.workspace-nav{display:flex;align-items:center;gap:.4rem;overflow-x:auto;margin:0 0 1rem;padding:.35rem 0 .75rem;scrollbar-width:thin}.nav,.type-filter{display:inline-flex;align-items:center;gap:.45rem;flex:0 0 auto;border:0;border-radius:999px;background:transparent;color:#475569;padding:.55rem .95rem;font-size:.78rem;font-weight:600;white-space:nowrap;transition:background .15s ease,color .15s ease}.dark .nav,.dark .type-filter{color:#94a3b8}.nav:hover,.type-filter:hover{background:rgba(242,132,51,.16);color:#334155}.dark .nav:hover,.dark .type-filter:hover{background:rgba(242,132,51,.18);color:#e2e8f0}.nav.active,.type-filter.active{background:var(--sky);color:#fff;box-shadow:0 2px 8px rgba(14,165,233,.2)}.nav span{border-radius:999px;background:rgba(255,255,255,.25);padding:.08rem .38rem;font-size:.65rem}.type-filters{display:flex;align-items:center;gap:.25rem}
.content-panel{min-width:0;padding:1.25rem;border:1px solid rgba(226,232,240,.82);border-radius:1rem;background:var(--panel-subtle);box-shadow:0 12px 32px rgba(15,23,42,.05);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.dark .content-panel{border-color:rgba(51,65,85,.65);box-shadow:0 12px 32px rgba(0,0,0,.12)}
.heading{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin:0 0 .75rem}.heading h2,.edit-heading h2{margin:0;color:var(--text);font-size:1.25rem;letter-spacing:-.025em}.heading input{width:min(18rem,45%);border:1px solid #cbd5e1;border-radius:999px;background:rgba(255,255,255,.86);padding:.65rem .9rem;color:#334155;font-size:.78rem;outline:none}.dark .heading input{border-color:#475569;background:rgba(15,23,42,.75);color:#e2e8f0}.heading input:focus,.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--sky);box-shadow:0 0 0 3px rgba(14,165,233,.16);outline:none}
.workspace-note{display:flex;align-items:center;gap:.45rem;margin:.25rem 0 1.1rem;color:var(--muted);font-size:.7rem}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.75rem}.card{min-height:145px;padding:1rem;border:1px solid rgba(226,232,240,.9);border-radius:.8rem;background:var(--panel);cursor:pointer;transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.dark .card{border-color:rgba(71,85,105,.55)}.card:hover{border-color:rgba(14,165,233,.62);box-shadow:0 10px 24px rgba(15,23,42,.08);transform:translateY(-1px)}.dark .card:hover{box-shadow:0 10px 24px rgba(0,0,0,.2)}
.card-top,.card-foot{display:flex;justify-content:space-between;align-items:center;gap:.5rem}.pill{border:1px solid rgba(14,165,233,.2);border-radius:999px;background:rgba(224,242,254,.72);color:#0369a1;padding:.28rem .55rem;font-size:9px;font-weight:700}.dark .pill{border-color:rgba(14,165,233,.22);background:rgba(14,165,233,.1);color:#7dd3fc}.draft{border-radius:999px;background:#fff7ed;color:#c2410c;padding:.28rem .55rem;font-size:9px}.dark .draft{background:rgba(242,132,51,.12);color:#fdba74}.card h3{margin:1rem 0 .35rem;color:var(--text);font-size:.88rem}.key{color:var(--muted);font:11px ui-monospace,SFMono-Regular,monospace}.card-foot{margin-top:.8rem;padding-top:.6rem;border-top:1px solid var(--line);color:var(--muted);font-size:10px}
.empty{max-width:27rem;margin:3rem auto;text-align:center}.empty-icon{display:grid;width:3rem;height:3rem;place-items:center;margin:0 auto .8rem;border:1px solid rgba(14,165,233,.25);border-radius:1rem;background:rgba(224,242,254,.65);color:#0284c7;font-size:1.4rem}.dark .empty-icon{background:rgba(14,165,233,.1);color:#7dd3fc}.empty h3{margin:.4rem 0;color:var(--text);font-size:1rem}.empty p{margin:.4rem 0 1rem;color:var(--muted);font-size:.8rem;line-height:1.55}#loading{color:var(--muted);font-size:.8rem}
.editor{margin-top:1.1rem;padding:1.1rem;border:1px solid var(--line);border-radius:.9rem;background:var(--panel)}.editor-top,.edit-heading{display:flex;align-items:center;justify-content:space-between;gap:1rem}.editor-top{margin-bottom:1.3rem}.editor-top button{border:0;background:transparent;color:#0369a1;font-size:.8rem;font-weight:650}.dark .editor-top button{color:#7dd3fc}.editor-top span{color:var(--muted);font-size:.68rem}.edit-heading{align-items:flex-start;margin-bottom:1rem}.edit-heading p:not(.eyebrow){margin:.45rem 0 0;color:var(--muted);font-size:.74rem}
.form{display:grid;grid-template-columns:1fr 1fr;gap:.85rem}.form label{display:flex;flex-direction:column;gap:.4rem;color:#475569;font-size:.72rem;font-weight:650}.dark .form label{color:#cbd5e1}.form label small{color:var(--muted);font-weight:400}.form input,.form select,.form textarea{width:100%;border:1px solid #cbd5e1;border-radius:.55rem;background:rgba(255,255,255,.9);padding:.65rem .7rem;color:#334155;font-size:.75rem}.dark .form input,.dark .form select,.dark .form textarea{border-color:#475569;background:rgba(2,8,23,.65);color:#e2e8f0}.wide{grid-column:1/-1}.form textarea{min-height:14rem;resize:vertical;font:12px/1.55 ui-monospace,SFMono-Regular,monospace}
.notice,.validation{margin:0 0 .8rem;padding:.7rem .85rem;border:1px solid rgba(14,165,233,.24);border-radius:.65rem;background:rgba(224,242,254,.72);color:#075985;font-size:.75rem;line-height:1.5}.dark .notice,.dark .validation{border-color:rgba(14,165,233,.2);background:rgba(14,165,233,.09);color:#bae6fd}.notice.error,.validation.error{border-color:#fecaca;background:rgba(254,242,242,.9);color:#991b1b}.dark .notice.error,.dark .validation.error{border-color:#7f1d1d;background:rgba(127,29,29,.25);color:#fecaca}
.hidden{display:none!important}
@media(max-width:700px){.topbar-inner{padding-left:.85rem;padding-right:.85rem}.brand img{height:2.7rem}.brand{gap:.6rem}.brand-label{padding-left:.6rem;font-size:8px}.top-actions{gap:.5rem}.badge{display:none}main{padding:1.25rem .85rem 3rem}.welcome{align-items:flex-start;flex-direction:column}.workspace-nav{margin-right:-.85rem;padding-right:.85rem}.content-panel{padding:.9rem}.heading{align-items:stretch;flex-direction:column}.heading input{width:100%}.cards{grid-template-columns:1fr}.gate{padding:1.8rem 1.25rem}}
@media(max-width:480px){.signout{font-size:11px}.theme-toggle{transform:scale(.92);transform-origin:right center}.form{grid-template-columns:1fr}.wide{grid-column:auto}.edit-heading{gap:.65rem}.edit-heading .primary{white-space:nowrap}.editor{padding:.85rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}