/* Shared task/tools workspace; standalone Python keeps its existing layout. */
html.atw-open{overflow:hidden}
#acw-dialog.atw{box-sizing:border-box;position:fixed;inset:0;width:calc(100vw - 32px);max-width:1600px;height:calc(100dvh - 32px);max-height:none;margin:auto;padding:0;overflow:hidden;border-radius:22px;border:1px solid var(--border-color,#444968);background:var(--card-bg,#1e2038);color:var(--text-primary,#eff0ff)}
#acw-dialog.atw[open]{display:flex;flex-direction:column}
.atw>header{position:static!important;flex-shrink:0;padding:12px 18px!important;gap:12px;border-bottom:1px solid var(--border-color,#444968)}
.atw>header>div{margin-right:auto}.atw>header small{font-size:10px;letter-spacing:.12em;color:var(--text-secondary,#b5bdd8)}.atw>header h2{font-size:18px!important;line-height:1.3;margin:2px 0!important}
.atw>header button{min-height:40px!important;min-width:40px;padding:8px 12px!important;flex-shrink:0}.atw .atw-back{font-size:13px}
.atw-split{--atw-ratio:40%;display:grid;grid-template-columns:minmax(0,var(--atw-ratio)) 14px minmax(0,1fr);flex:1;min-height:0;overflow:hidden}
.atw-task,.atw-tools{min-width:0;min-height:0;overflow:hidden;display:flex;flex-direction:column}.atw-task{background:var(--bg-color,#121426)}
.atw-task-head{padding:14px 18px 10px;display:flex;gap:10px;align-items:center;flex-shrink:0;border-bottom:1px solid var(--border-color,#444968)}
.atw-task-head label{font-size:12px!important;margin:0!important;color:var(--text-secondary,#b5bdd8)}.atw-task-head select{min-width:0;width:100%;max-width:100%;font-size:14px!important;padding:8px!important;margin:0!important}
.atw-condition{padding:18px;overflow:auto;overscroll-behavior:contain;min-height:0;font-size:16px;line-height:1.65;overflow-wrap:anywhere}
.atw-condition h2,.atw-condition h3{font-size:20px!important;line-height:1.35;margin:0 0 16px!important}.atw-condition p{margin:0 0 16px}.atw-condition img,.atw-condition svg{max-width:100%;height:auto}.atw-condition pre{overflow:auto;white-space:pre-wrap;font-size:14px}.atw-condition table{border-collapse:collapse;width:100%;font-size:14px}.atw-condition th,.atw-condition td{padding:8px;border:1px solid var(--border-color,#444968)}.atw-condition a{color:var(--primary-color,#aaa2ff)}
.atw-divider{display:grid;place-items:center;cursor:col-resize;touch-action:none;background:var(--card-bg,#1e2038);border-inline:1px solid var(--border-color,#444968);outline-offset:-3px}.atw-divider span{width:3px;height:36px;border-radius:3px;background:var(--text-secondary,#b5bdd8);opacity:.65}.atw-divider:hover,.atw-divider:focus-visible{background:var(--border-color,#444968)}.atw-resizing iframe{pointer-events:none}
.atw-tools .acw-tabs{padding:9px 12px;gap:4px;flex-shrink:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--border-color,#444968);margin:0}
.atw-tools .acw-tabs button{min-width:0;display:flex;justify-content:center;align-items:center;gap:7px;padding:9px 6px;min-height:42px;font-size:13px!important;white-space:nowrap;border:1px solid transparent;border-radius:10px;background:transparent;color:var(--text-secondary,#b5bdd8)}
.atw-tools .acw-tabs button[aria-selected=true]{background:#6d56ba;color:#fff;border-color:transparent}.atw-tools .acw-tabs svg{flex-shrink:0}
.atw-tools>section{padding:18px!important;overflow:auto;overscroll-behavior:contain;min-height:0;flex:1}.atw [hidden]{display:none!important}
.atw-tools #acw-paint,.atw-tools #acw-notes:has(iframe){padding:0!important;position:relative;overflow:hidden;display:flex;flex-direction:column}.atw-tools iframe{width:100%;height:100%;min-height:0;flex:1;border:0;background:var(--card-bg,#1e2038)}.atw-loading{padding:14px;margin:0;font-size:13px}
.atw #acl-notes.atw-course-notes{position:static;display:block;width:100%;max-width:none;height:auto;max-height:none;margin:0;padding:0;border:0;background:transparent;box-shadow:none;color:inherit}.atw-course-notes header{padding:0 0 14px!important;position:static}.atw-course-notes h2{font-size:19px!important}.atw-course-notes textarea{min-height:250px;width:100%}
.atw #acw-code{min-height:190px;height:clamp(180px,33dvh,360px);resize:vertical}.atw .acw-output{min-height:60px}.atw .acw-note{margin:0 0 12px;font-size:12px}.atw :focus-visible{outline:3px solid var(--primary-color,#aaa2ff);outline-offset:2px}
@media(max-width:760px){#acw-dialog.atw{width:100%;height:100dvh;border-radius:0;border:0}.atw>header{padding:8px 10px!important;gap:6px}.atw>header small{display:none}.atw>header h2{font-size:15px!important}.atw>header button{padding:7px 9px!important;min-height:38px!important}.atw-split{grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,var(--atw-ratio)) 18px minmax(0,1fr)}.atw-task-head{padding:5px 12px;gap:8px}.atw-task-head select{font-size:13px!important;padding:5px!important;min-height:32px}.atw-condition{padding:12px;font-size:14px;line-height:1.6}.atw-condition h2,.atw-condition h3{font-size:16px!important;margin-bottom:10px!important}.atw-condition p{margin-bottom:10px}.atw-divider{cursor:row-resize;border-inline:0;border-block:1px solid var(--border-color,#444968)}.atw-divider span{height:3px;width:40px}.atw-tools .acw-tabs{padding:5px 8px;gap:3px}.atw-tools .acw-tabs button{font-size:11px!important;gap:5px;min-height:38px;padding:6px 3px}.atw-tools .acw-tabs svg{width:16px;height:16px}.atw-tools>section{padding:12px!important}.atw #acw-code{min-height:130px;height:170px}.atw-course-notes textarea{min-height:190px}.atw .acw-calc-keys{grid-template-columns:repeat(5,1fr)}.atw .acw-expression-row{flex-wrap:wrap}.atw .acw-expression-row input{min-width:0}}
@media(prefers-reduced-motion:reduce){.atw *{scroll-behavior:auto!important}}