/* Navigation horizontale : toute la largeur reste disponible au contenu */
.app-topbar{height:72px;width:100%;padding:0 24px;display:flex;align-items:center;gap:17px;background:#fff;border-bottom:1px solid #e7e7e7;position:sticky;top:0;z-index:70}.app-topbar .brand{flex:none;width:auto;height:44px;padding:0}.app-topbar .sidebar-search{width:220px;height:39px;margin:0;flex:none}.app-topbar .tabs{position:static;flex-direction:row;width:auto;height:auto;gap:3px;margin:0;padding:0}.app-topbar .tab{width:auto;height:39px;padding:0 13px;justify-content:center;white-space:nowrap}.app-topbar .tab.active{background:#f1f1f1}.topbar-spacer{flex:1}.app-topbar .save-state{flex:none;white-space:nowrap}.app-topbar .header-actions{display:flex;gap:8px;flex:none}.workspace{margin-left:0;min-height:calc(100vh - 72px)}.workspace main{max-width:none;width:100%;padding:28px 24px 45px}.columns-popover{top:82px}.table-scroller{max-height:calc(100vh - 260px)}
@media(max-width:1100px){.app-topbar{gap:9px;padding:0 14px}.app-topbar .sidebar-search{width:165px}.app-topbar .tab{padding:0 9px;font-size:10px}.app-topbar .save-state{display:none}}
@media(max-width:850px){.app-topbar{height:auto;min-height:68px;flex-wrap:wrap;padding:10px 13px}.app-topbar .brand{order:1}.app-topbar .sidebar-search{order:2;flex:1;width:auto}.app-topbar .header-actions{order:3}.app-topbar .tabs{order:4;width:100%;display:grid;grid-template-columns:repeat(3,1fr)}.app-topbar .tab{width:100%}.topbar-spacer{display:none}.workspace main{padding:20px 13px 35px}.columns-popover{top:125px}.table-scroller{max-height:calc(100vh - 330px)}}
@media(max-width:560px){.app-topbar .sidebar-search{display:none}.app-topbar .header-actions{margin-left:auto}.app-topbar .header-actions .secondary{display:none}.app-topbar .tab span{display:none}}