:root{--app-bg: #f4f5f7;--app-surface: #ffffff;--app-surface-2: #f9fafb;--app-text: #17181c;--app-muted: #686b73;--app-border: #e2e4e9;--app-border-strong: #cfd3da;--app-hover: #f0f1f4;--app-active: #eef2ff;--app-accent: #315efb;--app-accent-soft: #e7ecff;--app-accent-text: #ffffff;--app-danger: #b3261e;--app-danger-soft: #fdecea;--app-success: #1b7f4b;--app-success-soft: #e7f6ee;--app-warning: #986000;--app-warning-soft: #fff4dc;--app-code-bg: #111827;--app-code-text: #f3f4f6;--app-shadow: 0 18px 50px rgba(17, 24, 39, .08);--app-font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--app-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;color-scheme:light}html[data-theme=dark]{--app-bg: #0c0d10;--app-surface: #14161a;--app-surface-2: #191c21;--app-text: #f2f3f5;--app-muted: #9aa0aa;--app-border: #2a2e36;--app-border-strong: #3a404a;--app-hover: #1d2128;--app-active: #1d263d;--app-accent: #7c9aff;--app-accent-soft: #1b2744;--app-accent-text: #0c0d10;--app-danger: #ff8a80;--app-danger-soft: #341a19;--app-success: #71d6a2;--app-success-soft: #13291e;--app-warning: #ffc266;--app-warning-soft: #2b2113;--app-code-bg: #050608;--app-code-text: #e5e7eb;--app-shadow: 0 18px 50px rgba(0, 0, 0, .4);color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;background:var(--app-bg);color:var(--app-text);font-family:var(--app-font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}::selection{background:var(--app-accent);color:var(--app-accent-text)}:focus-visible{outline:2px solid var(--app-accent);outline-offset:2px}.app-shell{display:grid;grid-template-columns:304px minmax(0,1fr);min-height:100vh}.sidebar{position:sticky;top:0;z-index:20;display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--app-surface);border-right:1px solid var(--app-border)}.sidebar-top{display:grid;gap:16px;padding:22px 18px 18px;border-bottom:1px solid var(--app-border)}.brand{display:flex;align-items:center;gap:11px;text-decoration:none}.brand-mark{display:grid;flex:none;place-items:center;width:38px;height:38px;border-radius:11px;background:linear-gradient(145deg,#315efb,#0d6efd 55%,#12b5a4);color:#fff;box-shadow:0 8px 18px #315efb47}.brand-mark svg{width:22px;height:22px}.brand-copy{display:grid;gap:1px;min-width:0}.brand-name{font-size:.95rem;font-weight:750;letter-spacing:-.02em}.brand-sub{overflow:hidden;color:var(--app-muted);font-size:.72rem;font-weight:500;letter-spacing:.04em;text-overflow:ellipsis;text-transform:uppercase;white-space:nowrap}.version-picker{display:grid;gap:6px}.version-picker-label{display:flex;align-items:center;justify-content:space-between;color:var(--app-muted);font-size:.7rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase}.version-select-wrap{position:relative}.version-select-wrap:after{position:absolute;top:50%;right:13px;width:7px;height:7px;border-right:2px solid var(--app-muted);border-bottom:2px solid var(--app-muted);content:"";pointer-events:none;transform:translateY(-70%) rotate(45deg)}.version-select{width:100%;padding:11px 38px 11px 12px;border:1px solid var(--app-border-strong);border-radius:10px;outline:0;appearance:none;background:var(--app-surface-2);color:var(--app-text);cursor:pointer;font-size:.9rem;font-weight:650}.version-select:hover{border-color:var(--app-muted)}.version-select:focus-visible{outline:2px solid var(--app-accent);outline-offset:2px}.sidebar-nav{display:flex;flex:1;flex-direction:column;gap:3px;overflow-y:auto;padding:14px 12px}.nav-label{padding:8px 12px 6px;color:var(--app-muted);font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.nav-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--app-muted);font-size:.91rem;font-weight:550;text-decoration:none;transition:background-color .12s ease,color .12s ease}.nav-link:hover{background:var(--app-hover);color:var(--app-text)}.nav-link.active{background:var(--app-active);color:var(--app-accent);font-weight:650}.nav-icon{display:grid;flex:none;place-items:center;width:20px;height:20px}.nav-icon svg{width:18px;height:18px}.nav-count{margin-left:auto;color:var(--app-muted);font-size:.72rem;font-variant-numeric:tabular-nums}.sidebar-footer{display:grid;gap:12px;padding:14px;border-top:1px solid var(--app-border)}.sidebar-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--app-muted);font-size:.73rem}.status-chip{display:inline-flex;align-items:center;gap:6px;font-weight:650}.status-dot{width:7px;height:7px;border-radius:999px;background:var(--app-muted)}.status-chip.published .status-dot{background:var(--app-success);box-shadow:0 0 0 3px var(--app-success-soft)}.status-chip.draft .status-dot{background:var(--app-warning);box-shadow:0 0 0 3px var(--app-warning-soft)}.sidebar-actions{display:flex;gap:8px}.sidebar-actions .button{flex:1}.sidebar-note{margin:0;color:var(--app-muted);font-size:.7rem;line-height:1.45}.main-content{min-width:0;padding:clamp(24px,4vw,52px) clamp(20px,4vw,60px) 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var(--app-border);border-radius:999px;background:var(--app-surface-2);color:var(--app-muted);font-size:.71rem;font-weight:650;letter-spacing:.01em}.badge.published{border-color:transparent;background:var(--app-success-soft);color:var(--app-success)}.badge.draft{border-color:transparent;background:var(--app-warning-soft);color:var(--app-warning)}.section{display:grid;gap:18px}.section-heading{display:flex;flex-wrap:wrap;gap:10px 20px;align-items:flex-end;justify-content:space-between}.section-title{margin:0;font-size:clamp(1.2rem,2vw,1.48rem);font-weight:700;letter-spacing:-.025em;line-height:1.2}.section-copy{max-width:72ch;margin:0;color:var(--app-muted);font-size:.93rem;line-height:1.6}.stack,.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr))}.card{min-width:0;padding:clamp(18px,2.4vw,26px);border:1px solid 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svg{width:15px;height:15px}.icon-button{display:inline-grid;place-items:center;width:36px;height:36px;padding:0;border:1px solid var(--app-border);border-radius:9px;background:var(--app-surface);color:var(--app-muted);cursor:pointer}.icon-button:hover{background:var(--app-hover);color:var(--app-text)}.icon-button svg{width:17px;height:17px}.field{display:grid;gap:6px}.field label{color:var(--app-muted);font-size:.76rem;font-weight:700;letter-spacing:.02em}.input,.textarea,.select{width:100%;padding:10px 12px;border:1px solid var(--app-border-strong);border-radius:9px;outline:0;background:var(--app-surface);color:var(--app-text);font-size:.9rem}.textarea{min-height:96px;resize:vertical}.input:focus-visible,.textarea:focus-visible,.select:focus-visible{outline:2px solid var(--app-accent);outline-offset:1px}.form-row{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,.9fr);gap:12px}.form-error{margin:0;padding:10px 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p{max-width:48ch;margin:0;color:var(--app-muted);font-size:.9rem}.app-dialog-overlay{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:20px;background:#0a0c108c;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.app-dialog{width:min(540px,100%);max-height:calc(100vh - 40px);overflow:auto;padding:24px;border:1px solid var(--app-border);border-radius:18px;background:var(--app-surface);box-shadow:0 30px 90px #00000059}.app-dialog-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:18px}.app-dialog-title{margin:0;font-size:1.25rem;font-weight:720;letter-spacing:-.025em}.app-dialog-copy{margin:5px 0 0;color:var(--app-muted);font-size:.85rem;line-height:1.55}.app-dialog form{display:grid;gap:14px}.app-dialog-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}.template-grid{display:grid;gap:8px}.template-option{display:grid;grid-template-columns:auto 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10px}.nav-count{display:none}.sidebar-footer{grid-template-columns:minmax(0,1fr) auto;align-items:center}.sidebar-note{display:none}.sidebar-actions{grid-column:1 / -1}}@media(max-width:640px){.sidebar-top,.version-card{grid-template-columns:1fr}.version-card-actions{justify-content:flex-start}.form-row{grid-template-columns:1fr}}.manage-shell{min-height:100vh}.manage-topbar{position:sticky;top:0;z-index:15;border-bottom:1px solid var(--app-border);background:var(--app-surface)}.manage-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;max-width:1240px;margin:0 auto;padding:12px 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12px;border-radius:8px;background:var(--app-success-soft);color:var(--app-success);font-size:.83rem;font-weight:600}.notice.danger{background:var(--app-danger-soft);color:var(--app-danger)}@media(max-width:640px){.manage-topbar-inner{align-items:flex-start;flex-direction:column}}.field-label{color:var(--app-muted);font-size:.76rem;font-weight:700;letter-spacing:.02em}