:root{--color-brand:#4f46e5;--color-brand-hover:#4338ca;--color-brand-focus-ring:#4f46e566;--color-bg:#f8fafc;--color-surface:#fff;--color-surface-alt:#f1f5f9;--color-border:#e2e8f0;--color-text:#0f172a;--color-text-muted:#64748b;--color-danger:#dc2626;--color-success:#16a34a;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #00000014, 0 2px 4px -1px #0000000a;--shadow-lg:0 10px 15px -3px #00000014, 0 4px 6px -2px #0000000a;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--font-sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji", sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--t-fast:.12s;--t-med:.2s;--ease:cubic-bezier(.4, 0, .2, 1)}@media (prefers-color-scheme:dark){:root{--color-bg:#0f172a;--color-surface:#1e293b;--color-surface-alt:#334155;--color-border:#334155;--color-text:#f1f5f9;--color-text-muted:#94a3b8;--color-brand:#818cf8;--color-brand-hover:#a5b4fc;--color-brand-focus-ring:#818cf873;--shadow-sm:0 1px 2px 0 #0006;--shadow-md:0 4px 6px -1px #00000080, 0 2px 4px -1px #0000004d;--shadow-lg:0 10px 15px -3px #00000080, 0 4px 6px -2px #0000004d}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{min-height:100vh;font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;margin:0;font-size:16px;line-height:1.5;display:flex}h1,h2,h3{letter-spacing:-.01em;margin:0;font-weight:600;line-height:1.2}h1{font-size:1.5rem}h2{font-size:1.25rem}p{margin:0}.is-hidden{display:none!important}.muted{color:var(--color-text-muted);font-size:.875rem}header{background-color:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.25rem;display:flex}header h1{background:linear-gradient(135deg, var(--color-brand), #ec4899);color:#0000;-webkit-background-clip:text;background-clip:text}#user-info{color:var(--color-text-muted);align-items:center;gap:.75rem;font-size:.875rem;display:flex}#user-email{text-overflow:ellipsis;white-space:nowrap;max-width:12rem;overflow:hidden}#signout-btn{min-height:32px;color:var(--color-text-muted);border-color:var(--color-border);background-color:#0000;padding:.35rem .75rem;font-size:.85rem}#signout-btn:hover{background-color:var(--color-bg);color:var(--color-text)}@media (max-width:480px){#user-email{display:none}}main{flex-direction:column;flex:1;gap:1.25rem;width:100%;max-width:540px;margin:0 auto;padding:1.25rem;display:flex}@media (min-width:640px){main{gap:1.5rem;padding:2rem}}section{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);flex-direction:column;gap:1rem;padding:1.25rem;display:flex}@media (min-width:640px){section{padding:1.75rem}}form{flex-direction:column;gap:.85rem;display:flex}label{color:var(--color-text-muted);flex-direction:column;gap:.35rem;font-size:.875rem;font-weight:500;display:flex}input{width:100%;min-height:44px;font:inherit;color:var(--color-text);background-color:var(--color-surface-alt);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);padding:.625rem .85rem;font-size:1rem}input::placeholder{color:var(--color-text-muted)}input:hover{border-color:var(--color-text-muted)}input:focus{border-color:var(--color-brand);background-color:var(--color-surface);box-shadow:0 0 0 3px var(--color-brand-focus-ring);outline:none}button{min-height:44px;font:inherit;color:#fff;background-color:var(--color-brand);border-radius:var(--radius-md);cursor:pointer;transition:background-color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);border:none;padding:.625rem 1.25rem;font-size:1rem;font-weight:500}button:hover{background-color:var(--color-brand-hover)}button:focus-visible{box-shadow:0 0 0 3px var(--color-brand-focus-ring);outline:none}button:active{transform:translateY(1px)}.button-secondary,#signout-btn,li button{color:var(--color-text);border:1px solid var(--color-border);background-color:#0000;min-height:36px;padding:.4rem .85rem;font-size:.875rem}.button-secondary:hover,#signout-btn:hover,li button:hover{background-color:var(--color-surface-alt);border-color:var(--color-text-muted)}li button{color:var(--color-danger);border-color:#0000;min-height:32px;padding:.25rem .6rem}li button:hover{background-color:#dc262614;border-color:#dc262633}#add-item-form{flex-direction:row;gap:.5rem}#add-item-form input{flex:1}#add-item-form button{flex-shrink:0}@media (max-width:420px){#add-item-form{flex-direction:column}#add-item-form button{width:100%}}ul{flex-direction:column;gap:.25rem;margin:0;padding:0;list-style:none;display:flex}li{background-color:var(--color-surface-alt);border-radius:var(--radius-md);transition:background-color var(--t-fast) var(--ease);justify-content:space-between;align-items:center;gap:.75rem;padding:.65rem .85rem;display:flex}li:hover{background-color:color-mix(in srgb, var(--color-surface-alt) 70%, var(--color-brand) 6%)}li span{word-break:break-word;flex:1;min-width:0}.error{color:var(--color-danger);min-height:1.25em;margin:0;font-size:.875rem}.error:not(:empty){border-radius:var(--radius-md);background-color:#dc262614;border:1px solid #dc262633;padding:.6rem .85rem}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}