:root{--background: #fcfcfd;--foreground: #0f172a;--muted: #f8fafc;--muted-foreground: #64748b;--card: #ffffff;--card-foreground: #0f172a;--border: #e2e8f0;--input: #e2e8f0;--primary: #0f172a;--primary-foreground: #f8fafc;--secondary: #f1f5f9;--secondary-foreground: #0f172a;--accent: #eff6ff;--accent-foreground: #1d4ed8;--destructive: #b91c1c;--destructive-foreground: #fef2f2;--ring: rgba(59, 130, 246, .35);--shadow: 0 10px 30px rgba(15, 23, 42, .08);--radius: .85rem}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--background);color:var(--foreground);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit}button,input,textarea,select{font:inherit}.app-shell{min-height:100vh;padding:24px;background:linear-gradient(180deg,#f8fafc,#eef2ff)}.app-shell--centered{display:flex;align-items:center;justify-content:center}.app-stack{display:grid;gap:16px}.app-stack--lg{gap:24px}.app-width-sm{width:min(440px,100%)}.app-width-md{width:min(560px,100%)}.app-width-lg{width:min(960px,100%)}.app-grid{display:grid;gap:16px}.app-grid--test{grid-template-columns:320px 1fr;min-height:calc(100vh - 48px)}.app-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.app-row--start{align-items:flex-start}.app-row--banner{align-items:center;min-height:3.25rem}.app-row--banner strong{display:inline-flex;align-items:center;min-height:1.5rem;line-height:1.2}.app-wrap{display:flex;flex-wrap:wrap;gap:10px}.app-muted{color:var(--muted-foreground)}.app-text-reset{margin:0}.app-text-sm{font-size:.95rem}.app-title-sm{margin:0;font-size:1.125rem}.app-code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#f8fafc;border:1px solid var(--border);border-radius:.5rem;padding:.15rem .4rem}.app-viewer-shell{min-height:80vh;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.app-empty-state{min-height:320px;display:flex;align-items:center;justify-content:center;color:var(--muted-foreground)}.app-viewer-page{min-height:100vh;background:linear-gradient(180deg,#f8fafc,#eef2ff)}.app-viewer-center{display:flex;justify-content:center;width:100%}.app-floating-card{position:absolute;top:12px;left:12px;z-index:10;max-width:calc(100vw - 24px)}.app-floating-card .ui-card__content{padding-top:1.25rem}.ui-card{background:var(--card);color:var(--card-foreground);border:1px solid rgba(226,232,240,.9);border-radius:var(--radius);box-shadow:var(--shadow)}.ui-card__header,.ui-card__content,.ui-card__footer{padding:1.25rem}.ui-card__header{display:grid;gap:.4rem}.ui-card__content,.ui-card__footer{padding-top:0}.ui-card__title{margin:0;font-size:1.625rem;line-height:1.2;font-weight:700}.ui-card__description{margin:0;color:var(--muted-foreground);line-height:1.5}.ui-button{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border-radius:.65rem;border:1px solid transparent;font-weight:600;text-decoration:none;cursor:pointer;transition:background-color .12s ease,border-color .12s ease,color .12s ease,box-shadow .12s ease}.ui-button:focus-visible,.ui-input:focus-visible{outline:none;box-shadow:0 0 0 4px var(--ring)}.ui-button--default{background:var(--primary);color:var(--primary-foreground)}.ui-button--default:hover{background:#1e293b}.ui-button--secondary{background:var(--secondary);color:var(--secondary-foreground);border-color:var(--border)}.ui-button--secondary:hover,.ui-button--outline:hover,.ui-button--ghost:hover{background:#f8fafc}.ui-button--outline{background:#fff;color:var(--foreground);border-color:var(--border)}.ui-button--ghost{background:transparent;color:var(--foreground)}.ui-button--destructive{background:var(--destructive);color:#fff}.ui-button--destructive:hover{background:#991b1b}.ui-button--link{background:transparent;color:#2563eb;padding-left:0;padding-right:0}.ui-button--default,.ui-button--secondary,.ui-button--outline,.ui-button--ghost,.ui-button--destructive,.ui-button--link{min-height:2.5rem}.ui-button--default,.ui-button--secondary,.ui-button--outline,.ui-button--ghost,.ui-button--destructive{padding:.625rem 1rem}.ui-button--sm{min-height:2.1rem;padding:.45rem .8rem;font-size:.9rem}.ui-button--lg{min-height:2.85rem;padding:.8rem 1.15rem}.ui-button--icon{width:2.5rem;min-width:2.5rem;padding:0}.ui-input{width:100%;min-height:2.75rem;padding:.7rem .85rem;border-radius:.7rem;border:1px solid var(--input);background:#fff;color:var(--foreground)}.ui-input::placeholder{color:#94a3b8}.ui-label{display:inline-block;margin-bottom:.45rem;font-size:.95rem;font-weight:600}.ui-badge{display:inline-flex;align-items:center;border-radius:999px;padding:.22rem .65rem;border:1px solid transparent;font-size:.8rem;font-weight:600}.ui-badge--default{background:var(--primary);color:var(--primary-foreground)}.ui-badge--secondary{background:var(--secondary);color:var(--secondary-foreground)}.ui-badge--outline{background:#fff;border-color:var(--border);color:var(--foreground)}.ui-badge--destructive{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.ui-alert{border:1px solid var(--border);border-radius:.85rem;padding:1rem;background:#fff}.ui-alert--destructive{border-color:#fecaca;background:#fef2f2}.ui-alert__title{margin:0 0 .25rem;font-size:.95rem;font-weight:700}.ui-alert__description{margin:0;color:var(--muted-foreground)}.ui-alert--destructive .ui-alert__description,.ui-alert--destructive .ui-alert__title{color:#991b1b}.ui-separator{border:0;border-top:1px solid var(--border);margin:0}.ui-field{display:grid;gap:.5rem}.ui-password-field{position:relative}.ui-password-field .ui-input{padding-right:4.5rem}.ui-password-toggle{position:absolute;top:50%;right:.4rem;transform:translateY(-50%)}.ui-list{display:grid;gap:12px}.ui-list-item{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}@media (max-width: 900px){.app-grid--test{grid-template-columns:1fr}}