.osc-button{display:inline-flex;min-height:40px;align-items:center;justify-content:center;gap:.4em;border:1px solid var(--ink);border-radius:2px;padding:0 14px;background:var(--card);color:var(--ink);cursor:pointer;font:inherit;font-size:14px;font-weight:800;line-height:1;text-align:center;text-decoration:none;user-select:none;transition:background-color .12s ease,border-color .12s ease,box-shadow .12s ease,color .12s ease,transform 80ms ease}.osc-button:hover:not(:disabled):not([aria-disabled=true]),.osc-button:focus-visible:not(:disabled):not([aria-disabled=true]){border-color:var(--ink);background:var(--panel);box-shadow:inset 0 0 0 1px var(--ink)}.osc-button:active:not(:disabled):not([aria-disabled=true]){transform:translateY(1px);box-shadow:inset 0 1px 2px #1c1b1a2e}.osc-button--primary{border-color:var(--ink);background:var(--ink);color:#fff}.osc-button--primary:hover:not(:disabled):not([aria-disabled=true]),.osc-button--primary:focus-visible:not(:disabled):not([aria-disabled=true]){border-color:var(--primary-strong, #000000);background:var(--primary-strong, #000000);color:#fff;box-shadow:inset 0 0 0 1px #fff}.osc-button--ghost{border-color:transparent;background:transparent}.osc-button--ghost:hover:not(:disabled):not([aria-disabled=true]),.osc-button--ghost:focus-visible:not(:disabled):not([aria-disabled=true]){border-color:var(--ink);background:var(--card);box-shadow:inset 0 0 0 1px var(--ink)}.osc-button--sm{min-height:34px;padding:0 10px;font-size:12px}.osc-button--icon{width:40px;padding:0}.osc-button--sm.osc-button--icon{width:34px}.osc-button:disabled,.osc-button[aria-disabled=true]{color:var(--muted);cursor:not-allowed;opacity:.55;transform:none;box-shadow:none}@media(prefers-contrast:high){.osc-button{border-color:var(--ink)}}.osc-header{position:sticky;z-index:20;top:0;display:grid;border-bottom:1px solid var(--line);background:var(--panel);color:var(--ink);font-family:var(--font-sans)}.osc-header a{color:inherit;text-decoration:none}.osc-header button{color:inherit}.osc-header--global{height:48px;grid-template-columns:minmax(230px,1fr) minmax(420px,auto) minmax(160px,1fr);align-items:stretch}.osc-header--board{height:32px;grid-template-columns:180px minmax(0,1fr) 120px;align-items:stretch}.osc-header__brand-zone,.osc-header__actions,.osc-header__desktop-nav,.osc-header__board-left,.osc-header__board-spacer,.osc-header__board-actions{display:flex;min-width:0;align-items:center}.osc-header__brand-zone,.osc-header__board-left{padding-left:12px}.osc-header__actions,.osc-header__board-actions{justify-content:flex-end;padding-right:12px}.osc-header__board-left{position:relative}.osc-header__brand{display:inline-flex;align-items:center;gap:8px;font-weight:900;letter-spacing:-.02em}.osc-header__brand-mark{display:inline-flex;width:30px;height:24px;align-items:center;justify-content:center;border:1px solid var(--ink);border-radius:2px;background:var(--canvas);font:900 10px/1 var(--font-mono)}.osc-header__brand-label{font:900 13px/1 var(--font-mono);letter-spacing:.02em;white-space:nowrap}.osc-header__desktop-nav{justify-content:center;gap:2px}.osc-header__actions,.osc-header__board-actions{gap:4px}.osc-header__desktop-nav a,.osc-header__profile,.osc-header__menu-trigger,.osc-header__compact-trigger,.osc-header__mobile-panel a,.osc-header__compact-popover a{display:inline-flex;min-height:28px;align-items:center;justify-content:center;border:1px solid transparent;border-radius:2px;background:transparent;cursor:pointer;font:800 12px/1 var(--font-sans)}.osc-header__desktop-nav a,.osc-header__profile,.osc-header__menu-trigger{padding:0 10px}.osc-header__desktop-nav a:hover,.osc-header__profile:hover,.osc-header__menu-trigger:hover,.osc-header__compact-trigger:hover,.osc-header__mobile-panel a:hover,.osc-header__compact-popover a:hover{border-color:var(--ink);background:var(--card, #ffffff)}.osc-header__link--active{border-bottom-color:var(--ink)!important;background:var(--ink)!important;color:#fff!important}.osc-header__menu-trigger{display:none}.osc-header__mobile-panel{position:absolute;top:48px;right:0;left:0;display:grid;gap:1px;border-bottom:1px solid var(--line);background:var(--line)}.osc-header__mobile-panel a{min-height:42px;justify-content:flex-start;border:0;border-radius:0;background:var(--panel);padding:0 16px}.osc-header__compact-trigger{min-height:24px;border-color:var(--line);background:var(--canvas);padding:0 8px;font-family:var(--font-mono)}.osc-header__compact-popover{position:absolute;top:31px;left:8px;display:grid;width:180px;border:1px solid var(--ink);background:var(--panel)}.osc-header__compact-popover a{min-height:34px;justify-content:flex-start;border:0;border-radius:0;padding:0 10px}.osc-header__compact-popover a+a{border-top:1px solid var(--line)}@media(max-width:1023px){.osc-header--global{grid-template-columns:minmax(0,1fr) auto}.osc-header__desktop-nav,.osc-header--global .osc-header__profile{display:none}.osc-header__menu-trigger{display:inline-flex}.osc-header--board{height:36px;grid-template-columns:auto minmax(0,1fr) auto}.osc-header__brand-label{display:none}.osc-header__brand-zone,.osc-header__board-left{padding-left:8px}.osc-header__actions,.osc-header__board-actions{padding-right:8px}.osc-header__compact-popover{top:35px;left:4px}}