:root{--color-accent: #1f6feb;--color-border: #d8dde5;--color-input-border: #cfd6df;--color-text-muted: #647084;--topbar-height: 64px;color:#1b1f24;background:#f5f6f8;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;letter-spacing:0}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit;letter-spacing:0}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.62}.app-layout{min-height:100vh;background:#f5f6f8}.topbar{position:sticky;top:0;z-index:10;display:flex;min-height:var(--topbar-height);align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--color-border);background:#fff;padding:12px 20px}.brand{display:inline-flex;align-items:center;gap:10px;color:#1b1f24;font-size:15px;font-weight:800;text-decoration:none}.brand-mark{display:grid;width:34px;height:34px;place-items:center;border-radius:8px;background:var(--color-accent);color:#fff;font-size:12px}.topbar-actions{display:flex;min-width:0;align-items:center;gap:12px}.user-email{max-width:280px;overflow:hidden;color:#4d5968;font-size:13px;text-overflow:ellipsis;white-space:nowrap}.dashboard{display:grid;grid-template-columns:minmax(260px,320px) minmax(260px,360px) minmax(420px,1fr);gap:1px;min-height:calc(100vh - var(--topbar-height));background:var(--color-border)}.dashboard-column{min-width:0;background:#fff}.dashboard-column.narrow,.dashboard-column.list{padding:20px}.dashboard-column.detail{display:flex;min-height:0;flex-direction:column;background:#f9fafb}.tool-panel,.list-panel{display:flex;min-height:0;flex-direction:column;gap:18px}.section-heading{display:grid;gap:4px}.eyebrow{margin:0;color:#2f6f9f;font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2{margin:0;color:#111318;line-height:1.2}h1{font-size:24px}h2{font-size:18px}p{margin:0}.stack{display:grid;gap:14px}.field{display:grid;gap:7px;min-width:0;color:#3a4553;font-size:13px;font-weight:700}.field input,.field select,.field textarea{width:100%;min-width:0;border:1px solid var(--color-input-border);border-radius:6px;background:#fff;color:#15191f;font-weight:500}.field input,.field select{min-height:38px;padding:0 10px}.field textarea{min-height:140px;padding:10px;resize:vertical}.segmented-control{display:grid;grid-template-columns:1fr 1fr;overflow:hidden;border:1px solid var(--color-input-border);border-radius:6px;background:#f1f3f5}.segmented-control button{min-height:36px;border:0;background:transparent;color:#4d5968;font-weight:800}.segmented-control button[aria-pressed=true]{background:#fff;color:var(--color-accent);box-shadow:inset 0 0 0 1px var(--color-accent)}.primary-button,.secondary-button,.danger-button{display:inline-flex;min-height:38px;align-items:center;justify-content:center;border-radius:6px;padding:0 14px;font-weight:800;text-decoration:none;white-space:nowrap}.primary-button{border:1px solid var(--color-accent);background:var(--color-accent);color:#fff}.secondary-button{border:1px solid var(--color-input-border);background:#fff;color:#1f2937}.danger-button{border:1px solid #d92d20;background:#fff;color:#b42318}.page-list{display:grid;gap:8px}.page-list-item{display:grid;width:100%;gap:7px;border:1px solid var(--color-border);border-radius:8px;background:#fff;padding:13px;text-align:left}.page-list-item[data-selected=true]{border-color:var(--color-accent);background:#eef5ff}.page-title{overflow:hidden;color:#171b22;font-size:14px;font-weight:800;text-overflow:ellipsis;white-space:nowrap}.page-meta,.empty-text{color:var(--color-text-muted);font-size:12px;line-height:1.5}.status-row{display:grid;gap:8px;padding:16px 20px 0}.alert{border-radius:6px;padding:10px 12px;font-size:13px;font-weight:700}.alert.success{border:1px solid #9bd5b3;background:#effaf3;color:#116329}.alert.error{border:1px solid #f0b6ae;background:#fff4f2;color:#b42318}.detail-panel{display:flex;min-height:0;flex:1;flex-direction:column;gap:16px;padding:20px}.detail-empty{display:grid;min-height:280px;place-items:center;border:1px dashed #b9c2cf;border-radius:8px;color:var(--color-text-muted);font-weight:700}.detail-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.detail-header h2{max-width:100%;overflow-wrap:anywhere}.detail-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.metadata-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;overflow:hidden;border:1px solid var(--color-border);border-radius:8px;background:var(--color-border)}.metadata-grid.compact{grid-template-columns:repeat(2,minmax(0,1fr))}.metadata-grid div{min-width:0;background:#fff;padding:12px}.metadata-grid dt{margin:0 0 4px;color:var(--color-text-muted);font-size:12px;font-weight:800}.metadata-grid dd{margin:0;overflow:hidden;color:#171b22;font-size:13px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}.inline-form{display:grid;grid-template-columns:minmax(180px,1fr) minmax(140px,180px) auto;gap:10px;align-items:end}.replace-area{border-top:1px solid var(--color-border);padding-top:16px}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--color-border);padding-top:14px;color:var(--color-text-muted);font-size:12px;font-weight:700}.preview-frame,.preview-empty{width:100%;min-height:420px;flex:1;border:1px solid var(--color-input-border);border-radius:8px;background:#fff}.preview-frame{display:block}.preview-empty{display:grid;place-items:center;color:var(--color-text-muted);font-size:13px;font-weight:800}.auth-screen,.loading-screen{display:grid;min-height:100vh;place-items:center;background:#f5f6f8;padding:24px}.auth-panel{display:flex;width:min(520px,100%);align-items:center;justify-content:space-between;gap:24px;border:1px solid var(--color-border);border-radius:8px;background:#fff;padding:24px}.loading-screen{color:var(--color-text-muted);font-weight:800}.shared-layout{display:grid;grid-template-columns:minmax(280px,360px) minmax(0,1fr);gap:1px;min-height:calc(100vh - var(--topbar-height));background:var(--color-border)}.shared-info,.shared-preview{min-width:0;background:#fff;padding:20px}.shared-info{display:grid;align-content:start;gap:16px}.shared-info h1{overflow-wrap:anywhere}.shared-preview{display:flex;min-height:0}.shared-preview .preview-frame,.shared-preview .preview-empty{min-height:calc(100vh - var(--topbar-height) - 40px)}.admin-layout{display:grid;align-content:start;gap:16px;min-height:calc(100vh - var(--topbar-height));max-width:880px;margin:0 auto;width:100%;background:#fff;padding:20px}.admin-layout .status-row{padding:0}.admin-row-actions{display:flex;gap:8px}@media(max-width:1120px){.dashboard{grid-template-columns:minmax(260px,320px) minmax(0,1fr)}.dashboard-column.detail{grid-column:1 / -1}}@media(max-width:760px){.topbar,.auth-panel,.detail-header,.preview-toolbar{align-items:stretch;flex-direction:column}.topbar-actions,.detail-actions{justify-content:flex-start}.dashboard,.shared-layout,.inline-form,.metadata-grid,.metadata-grid.compact{grid-template-columns:1fr}.dashboard-column.narrow,.dashboard-column.list,.detail-panel,.shared-info,.shared-preview{padding:16px}}