.suite-shell{display:grid;grid-template-columns:164px minmax(0,900px);gap:16px 24px;align-items:start;max-width:1088px;width:calc(100% - 48px);margin:12px auto 28px}
body[data-tool="timer"] .suite-shell{grid-template-columns:164px minmax(0,1fr);max-width:1520px}
@media(min-width:1001px){body[data-tool="timer"] :is(.header-inner,.footer-inner){max-width:1520px}}
.suite-shell>.sponsor-placement{grid-column:2;grid-row:1;width:100%;max-width:728px;margin:0 auto}
.suite-shell>.tool-nav{grid-column:1;grid-row:2}
.suite-shell>.tool-workspace{grid-column:2;grid-row:2}
.tool-workspace{min-width:0;outline-offset:8px}
.suite-shell .page-grid{display:block;max-width:none;width:100%;margin:0}
.suite-shell .page-grid>.work-area{grid-column:auto;grid-row:auto;min-width:0}
.tool-nav{display:flex;flex-direction:column;gap:6px;padding-top:4px}
.tool-nav a{display:flex;align-items:center;gap:12px;min-height:68px;padding:12px 14px;border:1px solid transparent;border-radius:var(--radius);font-size:15px;font-weight:700;color:var(--muted)}
.tool-nav a:hover{color:var(--cobalt);background:var(--pale)}
.tool-nav a[aria-current="page"]{background:white;border-color:var(--line);color:var(--cobalt)}
.tool-nav svg{width:23px;height:23px;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tool-nav small{display:block;font-size:12px;line-height:1.6;font-weight:400;color:var(--muted);margin-top:2px}
.tool-nav a[aria-current="page"] small{color:var(--cobalt-hover)}
.tool-view{min-width:0;scroll-margin-top:24px}
.tool-loading,.tool-load-error{padding:32px;border:1px solid var(--line);background:white;border-radius:var(--radius);color:var(--muted)}
.tool-load-error .button{margin-top:16px}
@media(max-width:1000px){.suite-shell{display:block;max-width:900px}body[data-tool="timer"] .suite-shell{max-width:728px}.suite-shell>.sponsor-placement{margin-bottom:12px}.tool-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-bottom:16px;padding-top:0}.tool-nav a{justify-content:center;min-height:56px;padding:8px}.tool-nav small{display:none}}
@media(max-width:760px){.suite-shell{width:calc(100% - 36px)}.tool-nav a{gap:8px;font-size:14px}.tool-nav svg{width:21px;height:21px}}
@media(max-width:640px){.suite-shell{width:calc(100% - 28px);margin-bottom:28px}.tool-nav{gap:4px;margin-bottom:16px}.tool-nav a{flex-direction:column;gap:5px;padding:9px 3px;min-height:70px;font-size:12px;white-space:nowrap}.tool-nav svg{width:22px;height:22px}.tool-view{scroll-margin-top:16px}.tool-loading,.tool-load-error{padding:24px}}