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Running
File size: 27,149 Bytes
21c192a ed832a7 6737361 21c192a 6737361 21c192a ed832a7 21c192a 6737361 21c192a 12e244e 6737361 21c192a 12e244e 21c192a 6737361 12e244e 7547388 12e244e 7547388 12e244e 23af0a7 12e244e 23af0a7 12e244e 23af0a7 21c192a 7547388 12e244e 21c192a dcab2e7 21c192a 6737361 dcab2e7 5fbb440 dcab2e7 6737361 21c192a 6737361 21c192a 6737361 21c192a ab6d17c 21c192a 12e244e 7547388 21c192a 7547388 21c192a 7547388 21c192a 7547388 ed832a7 21c192a 6737361 a2cbc5c 6737361 a2cbc5c 21c192a 6737361 21c192a 23af0a7 21c192a 23af0a7 21c192a 6737361 dcab2e7 21c192a dcab2e7 21c192a dcab2e7 21c192a 6737361 21c192a 7547388 23af0a7 12e244e 7547388 6737361 21c192a 6737361 21c192a 7547388 21c192a 6737361 21c192a a2cbc5c 21c192a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 | :root {
--shell: oklch(0.985 0.004 255);
--surface: oklch(1 0 0);
--surface-subtle: oklch(0.96 0.01 255);
--ink: oklch(0.2 0.035 255);
--muted: oklch(0.44 0.03 255);
--line: oklch(0.87 0.015 255);
--navy: oklch(0.31 0.115 255);
--navy-strong: oklch(0.23 0.09 255);
--action: oklch(0.56 0.2 255);
--action-hover: oklch(0.49 0.2 255);
--action-soft: oklch(0.94 0.04 255);
--help: oklch(0.75 0.16 76);
--help-soft: oklch(0.95 0.05 78);
--success: oklch(0.55 0.16 150);
--success-soft: oklch(0.95 0.04 150);
--danger: oklch(0.56 0.2 25);
--danger-soft: oklch(0.95 0.04 25);
--editor: oklch(0.18 0.035 258);
--editor-raised: oklch(0.23 0.04 258);
--editor-line: oklch(0.31 0.035 258);
--editor-ink: oklch(0.94 0.012 255);
--space-xs: .25rem;
--space-sm: .5rem;
--space-md: .75rem;
--space-lg: 1rem;
--space-xl: 1.5rem;
--space-2xl: 2rem;
--radius-sm: 6px;
--radius-md: 10px;
--radius-lg: 14px;
--shadow-menu: 0 4px 8px oklch(0.18 0.03 255 / .12);
--z-header: 20;
--z-dialog: 40;
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", sans-serif;
color: var(--ink);
background: var(--shell);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
.sr-only { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
html, body { width: 100%; height: 100%; overflow: hidden; }
body { min-height: 0; margin: 0; display: flex; flex-direction: column; background: var(--shell); color: var(--ink); }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .48; }
:focus-visible {
outline: 3px solid var(--help);
outline-offset: 2px;
}
.skip-link {
position: fixed;
top: -60px;
left: var(--space-lg);
z-index: 100;
padding: var(--space-md) var(--space-lg);
background: var(--surface);
color: var(--navy);
}
.skip-link:focus { top: var(--space-lg); }
.app-header {
min-height: 60px;
flex: none;
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-lg);
padding: var(--space-md) var(--space-xl);
background: var(--navy);
color: white;
position: sticky;
top: 0;
z-index: var(--z-header);
}
.brand { display: flex; align-items: center; gap: var(--space-md); min-width: 0; }
.brand-mark {
width: 36px;
height: 36px;
display: grid;
place-items: center;
border-radius: var(--radius-sm);
background: white;
color: var(--navy);
font-weight: 900;
}
.brand-copy strong { display: block; font-size: 1rem; }
.brand-copy span { display: block; margin-top: 2px; color: oklch(0.86 0.035 255); font-size: .8rem; }
.header-actions { display: flex; align-items: center; gap: var(--space-sm); }
.connection-state {
display: inline-flex;
align-items: center;
gap: var(--space-sm);
min-height: 36px;
padding: 0 var(--space-md);
border-radius: 999px;
background: oklch(1 0 0 / .1);
color: white;
font-size: .875rem;
font-weight: 700;
}
.status-dot { width: 9px; height: 9px; flex: none; border-radius: 50%; background: var(--line); }
.status-dot.online, .status-dot.success { background: oklch(0.76 0.18 150); }
.status-dot.running { background: oklch(0.76 0.15 255); }
.status-dot.error { background: oklch(0.72 0.18 25); }
.status-dot.help { background: var(--help); }
.btn {
min-height: 44px;
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--space-sm);
padding: 0 var(--space-lg);
border: 0;
border-radius: var(--radius-md);
background: var(--action);
color: white;
font-weight: 800;
transition: background-color 160ms ease, transform 160ms ease;
}
.btn:hover { background: var(--action-hover); }
.btn:active { transform: translateY(1px); }
.btn.secondary { background: var(--surface-subtle); color: var(--navy); }
.btn.secondary:hover { background: var(--action-soft); }
.btn.stop { background: var(--danger); }
.btn.stop:hover { background: oklch(0.49 0.2 25); }
.btn.help { background: var(--help); color: oklch(0.25 0.08 70); }
.btn.help.active { background: oklch(0.65 0.17 68); }
.btn.compact { min-height: 36px; padding: 0 var(--space-md); font-size: .875rem; }
.header-link { text-decoration:none; }
.project-bar { min-height:58px;flex:none;display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);padding:var(--space-sm) var(--space-xl);border-bottom:1px solid var(--line);background:var(--surface); }
.project-context,.project-actions { display:flex;align-items:center;gap:var(--space-sm);flex-wrap:wrap; }
.project-context label { color:var(--muted);font-size:.75rem;font-weight:800; }
.project-context select,.project-context input { min-height:36px;max-width:280px;padding:0 var(--space-md);border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font-weight:700; }
.submission-summary { padding:var(--space-sm) var(--space-md);border-radius:999px;background:var(--success-soft);color:oklch(.37 .12 150);font-size:.8rem;font-weight:800; }
.student-layout {
--reference-width: 280px;
--console-width: 360px;
min-height: 0;
flex: 1;
overflow: hidden;
display: grid;
grid-template-columns: minmax(220px, var(--reference-width)) 9px minmax(320px, 1fr) 9px minmax(260px, var(--console-width));
grid-template-areas: "reference reference-resizer editor console-resizer console";
}
.panel { min-width: 0; min-height: 0; overflow: hidden; background: var(--surface); }
.reference-panel { grid-area: reference; display:grid;grid-template-rows:44px minmax(0,1fr); }
.editor-panel { grid-area: editor; display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);background:var(--editor); }
.console-panel { grid-area: console; display:grid;grid-template-rows:52px minmax(0,1fr); }
.panel-resizer { position:relative;min-width:9px;min-height:0;background:var(--shell);cursor:col-resize;touch-action:none; }
.panel-resizer::after { content:"";position:absolute;inset:0 auto 0 4px;width:1px;background:var(--line);transform:scaleX(1);transform-origin:left center;transition:background-color 160ms ease,transform 160ms ease; }
.panel-resizer:hover::after,.panel-resizer:focus-visible::after,.panel-resizer.dragging::after { transform:scaleX(2);background:var(--action); }
.panel-resizer:focus-visible { outline:3px solid var(--help);outline-offset:-3px; }
.reference-resizer { grid-area:reference-resizer; }
.console-resizer { grid-area:console-resizer; }
body.panel-resizing { cursor:col-resize;user-select:none; }
.editor-toolbar { display:flex;align-items:center;justify-content:flex-end;gap:var(--space-sm);flex:0 1 auto;flex-wrap:wrap;min-width:0; }
.editor-toggle { min-height:32px;padding:0 var(--space-md);border:1px solid oklch(.42 .035 258);border-radius:var(--radius-sm);background:transparent;color:oklch(.82 .025 255);font-size:.78rem;font-weight:750; }
.editor-toggle:hover,.editor-toggle[aria-pressed="true"] { border-color:oklch(.66 .12 255);background:oklch(.3 .065 258);color:white; }
@media (min-width: 981px) {
.student-layout.reference-hidden { grid-template-columns:minmax(320px,1fr) 9px minmax(260px,var(--console-width));grid-template-areas:"editor console-resizer console"; }
.student-layout.console-hidden { grid-template-columns:minmax(220px,var(--reference-width)) 9px minmax(320px,1fr);grid-template-areas:"reference reference-resizer editor"; }
.student-layout.reference-hidden.console-hidden { grid-template-columns:minmax(0,1fr);grid-template-areas:"editor"; }
.student-layout.reference-hidden .reference-panel,.student-layout.reference-hidden .reference-resizer,.student-layout.console-hidden .console-panel,.student-layout.console-hidden .console-resizer { display:none; }
}
.panel-heading {
min-height: 52px;
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--space-md);
padding: 0 var(--space-lg);
border-bottom: 1px solid var(--line);
}
.panel-heading h1 { margin: 0; font-size: 1.5rem; }
.panel-heading h2 { margin: 0; font-size: 1.1875rem; }
.panel-heading.dark { min-width:0;padding-block:6px;flex-wrap:wrap;border-color:var(--editor-line);background:var(--editor-raised);color:var(--editor-ink); }
.side-tabs { height:44px;display:flex;border-bottom:1px solid var(--line); }
.side-tab { min-width:0;flex:1;padding-inline:var(--space-xs);border:0;background:var(--surface);color:var(--muted);font-size:.76rem;font-weight:800; }
.side-tab.active { color:var(--navy);box-shadow:inset 0 -3px 0 var(--action); }
#filesView { min-height:0;display:grid;grid-template-rows:52px minmax(0,1fr) auto; }
#syntaxView { min-height:0;display:grid;grid-template-rows:52px auto minmax(0,1fr); }
#lessonView { min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr); }
.lesson-guide-content { min-height:0;overflow:auto;padding:var(--space-lg); }
.lesson-guide-block { padding:0 0 var(--space-lg);margin:0 0 var(--space-lg);border-bottom:1px solid var(--line); }
.lesson-guide-block h2,.lesson-help-note h2 { margin:0 0 var(--space-sm);font-size:.9375rem;line-height:1.35; }
.lesson-guide-block p,.lesson-help-note p { margin:0;color:var(--muted);font-size:.875rem;line-height:1.55; }
.lesson-guide-block ul,.lesson-guide-block ol,.lesson-details ul { display:grid;gap:.45rem;margin:0;padding-inline-start:1.25rem;color:var(--ink);font-size:.83rem;line-height:1.5; }
.lesson-timeline { gap:.65rem!important; }
.lesson-timeline strong { color:var(--navy); }
.lesson-guide-block li::marker,.lesson-details li::marker { color:var(--action);font-weight:800; }
.lesson-source-link { display:inline-flex;min-height:44px;align-items:center;color:var(--action);font-size:.84rem;font-weight:800;text-decoration-thickness:1px;text-underline-offset:3px; }
.lesson-source-link:focus-visible { outline:2px solid var(--action);outline-offset:3px;border-radius:2px; }
.lesson-target { padding:var(--space-md);border:0;border-radius:var(--radius-md);background:var(--action-soft); }
.lesson-ai-note { padding:var(--space-md);border:0;border-radius:var(--radius-md);background:var(--help-soft); }
.lesson-details { margin:0 0 var(--space-lg);border-bottom:1px solid var(--line); }
.lesson-details summary { min-height:44px;display:flex;align-items:center;color:var(--navy);font-size:.84rem;font-weight:800;cursor:pointer; }
.lesson-details ul { padding:0 0 var(--space-lg) 1.25rem; }
.lesson-help-note { padding:var(--space-md) 0 0; }
.file-list { min-height:0;overflow:auto;padding:var(--space-sm); }
.file-row { display:flex;align-items:center;border-radius:var(--radius-sm); }
.file-row:hover { background:var(--surface-subtle); }.file-row.selected{background:var(--action-soft);color:var(--navy)}
.file-row>button:first-child { min-width:0;min-height:40px;flex:1;padding:0 var(--space-md);border:0;background:transparent;color:inherit;text-align:left;font:650 .82rem/1.2 "SFMono-Regular",Consolas,monospace;overflow:hidden;text-overflow:ellipsis; }
.file-remove { width:36px;min-height:36px;border:0;background:transparent;color:var(--muted);font-size:1.2rem; }.file-remove:hover{color:var(--danger)}
.side-note { margin:0;padding:var(--space-lg);border-top:1px solid var(--line);color:var(--muted);font-size:.75rem;line-height:1.5; }
.search-wrap { padding: var(--space-lg); border-bottom: 1px solid var(--line); }
.field-label { display: block; margin-bottom: var(--space-sm); color: var(--muted); font-size: .8125rem; font-weight: 750; }
.text-field, .stdin-field {
width: 100%;
border: 1px solid var(--line);
border-radius: var(--radius-md);
background: var(--surface);
color: var(--ink);
}
.text-field { min-height: 44px; padding: 0 var(--space-md); }
.secondary-label { margin-top: var(--space-lg); }
.text-field::placeholder, .stdin-field::placeholder { color: oklch(0.46 0.025 255); opacity: 1; }
.text-field:focus, .stdin-field:focus { border-color: var(--action); }
.chip-row { display: flex; gap: var(--space-sm); padding-top: var(--space-md); overflow-x: auto; }
.chip {
min-height: 34px;
flex: none;
padding: 0 var(--space-md);
border: 1px solid var(--line);
border-radius: 999px;
background: var(--surface);
color: var(--muted);
font-size: .8125rem;
font-weight: 750;
}
.chip[aria-pressed="true"] { border-color: var(--action); background: var(--action-soft); color: var(--navy); }
.snippet-list { min-height:0;overflow:auto;padding:var(--space-sm) var(--space-lg) var(--space-xl); }
.snippet-empty { padding: var(--space-xl) 0; color: var(--muted); line-height: 1.55; }
.snippet-item { padding: var(--space-lg) 0; border-bottom: 1px solid var(--line); }
.snippet-item:last-child { border-bottom: 0; }
.snippet-title { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-md); }
.snippet-title strong { font-size: .9375rem; }
.snippet-title span { color: var(--muted); font-size: .75rem; }
.snippet-item p { margin: var(--space-sm) 0; color: var(--muted); font-size: .8125rem; line-height: 1.5; }
.snippet-item pre {
margin: var(--space-sm) 0;
padding: var(--space-md);
overflow: auto;
border-radius: var(--radius-sm);
background: var(--editor);
color: var(--editor-ink);
font: 500 .78rem/1.55 "SFMono-Regular", Consolas, monospace;
white-space: pre-wrap;
}
.copy-button {
min-height: 36px;
padding: 0 var(--space-md);
border: 1px solid var(--line);
border-radius: var(--radius-sm);
background: var(--surface);
color: var(--navy);
font-size: .8rem;
font-weight: 800;
}
.copy-button:hover { background: var(--action-soft); }
.checkpoint-action { border-color: oklch(0.72 0.1 150); color: oklch(0.38 0.13 150); }
.checkpoint-action:hover { background: var(--success-soft); }
.file-name { min-width:0;flex:1 1 100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:700 .875rem/1 "SFMono-Regular",Consolas,monospace;color:oklch(.82 .025 255); }
.editor-host { min-width:0;min-height:0; }
.CodeMirror { height: 100%; font: 500 1rem/1.7 "SFMono-Regular", Consolas, monospace; background: var(--editor); }
.CodeMirror-gutters { background: var(--editor); border-right: 1px solid var(--editor-line); }
.console-body { min-height:0;display:grid;grid-template-rows:auto minmax(120px,1fr) auto auto; }
.console-tabs { min-height:38px;display:flex;align-items:stretch;gap:2px;padding:var(--space-xs) var(--space-sm);border-bottom:1px solid var(--line);background:var(--surface); }
.console-tabs[hidden],#pygameFrame[hidden] { display:none; }
.console-tab { min-width:88px;padding:0 var(--space-md);border:0;border-radius:var(--radius-sm);background:transparent;color:var(--muted);font-size:.78rem;font-weight:800; }
.console-tab:hover { background:var(--surface-subtle);color:var(--navy); }
.console-tab.active { background:var(--action-soft);color:var(--navy); }
.console-tab:focus-visible { outline:2px solid var(--action);outline-offset:1px; }
.console-stream { position:relative;min-height:0;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto;background:var(--editor); }
.field-help { margin: var(--space-sm) 0 0; color: var(--muted); font-size: .75rem; line-height: 1.45; }
.console-output {
grid-area:1 / 1;
min-width:0;
min-height:0;
margin: 0;
padding: var(--space-lg);
overflow: auto;
background: var(--editor);
color: var(--editor-ink);
font: 500 .875rem/1.65 "SFMono-Regular", Consolas, monospace;
white-space: pre-wrap;
word-break: break-word;
}
.console-stream[data-view="pygame"] .console-output { visibility:hidden; }
.console-stream[data-view="pygame"] .console-output[hidden] { display:none; }
#pygameFrame { display:block;grid-area:1 / 1;z-index:1;width:100%;height:100%;min-width:0;min-height:0;border:0;background:var(--editor);visibility:hidden; }
.console-stream[data-view="pygame"] #pygameFrame { visibility:visible; }
.console-input-row { grid-area:2 / 1; }
.console-input-row { display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-top:1px solid var(--editor-line);background:var(--editor-raised);color:var(--editor-ink); }
.console-input-row>span { color:oklch(.76 .15 150);font:800 1.1rem/1 monospace; }
.console-input-row input { min-width:0;height:38px;padding:0 var(--space-md);border:1px solid var(--editor-line);border-radius:var(--radius-sm);background:var(--editor);color:var(--editor-ink);font:500 .875rem/1.4 "SFMono-Regular",Consolas,monospace; }
.console-input-row input::placeholder { color:oklch(.7 .02 255); }
.console-input-row input:focus { border-color:var(--action);outline:2px solid var(--action);outline-offset:1px; }
.console-hint { margin:0;padding:var(--space-sm) var(--space-lg);border-top:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:.75rem;line-height:1.45; }
.console-status { min-height: 48px; display: flex; align-items: center; gap: var(--space-sm); padding: 0 var(--space-lg); border-top: 1px solid var(--line); color: var(--muted); font-size: .8rem; }
.mobile-tabs { display: none; }
dialog {
width: min(440px, calc(100vw - 32px));
border: 0;
border-radius: var(--radius-lg);
padding: 0;
color: var(--ink);
box-shadow: var(--shadow-menu);
}
dialog::backdrop { background: oklch(0.16 0.04 255 / .72); }
.dialog-content { padding: var(--space-2xl); }
.dialog-content h1, .dialog-content h2 { margin: 0 0 var(--space-sm); font-size: 1.5rem; }
.dialog-content > p { margin: 0 0 var(--space-xl); color: var(--muted); line-height: 1.55; }
.form-stack { display: grid; gap: var(--space-lg); }
.form-error { min-height: 1.25rem; margin: 0; color: var(--danger); font-size: .875rem; }
.teacher-layout { min-height:0;flex:1;overflow:hidden;display:grid;grid-template-columns:minmax(360px,43%) minmax(480px,57%); }
.roster-panel { min-height:0;display:grid;grid-template-rows:52px auto auto 42px minmax(0,1fr);overflow:hidden;border-right:1px solid var(--line);background:var(--surface); }
.teacher-detail { min-width:0;min-height:0;overflow:hidden;background:var(--shell); }
.roster-add { display:flex;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border-bottom:1px solid var(--line);background:var(--surface-subtle); }
.roster-add .text-field { min-width:0;min-height:36px; }
.roster-add .btn { flex:none; }
.filter-bar { display: flex; gap: var(--space-sm); padding: var(--space-md) var(--space-lg); border-bottom: 1px solid var(--line); overflow-x: auto; }
.roster-list { min-height:0;overflow:auto; }
.roster-header, .student-row {
display: grid;
grid-template-columns: minmax(110px, 1.15fr) 80px minmax(112px, 1fr) 82px;
gap: var(--space-md);
align-items: center;
padding: var(--space-md) var(--space-lg);
}
.roster-header { min-height: 42px; color: var(--muted); font-size: .75rem; font-weight: 800; border-bottom: 1px solid var(--line); }
.student-row { width: 100%; min-height: 58px; border: 0; border-bottom: 1px solid var(--line); background: var(--surface); color: var(--ink); text-align: left; }
.student-row:hover { background: var(--surface-subtle); }
.student-row.selected { background: var(--action-soft); box-shadow: inset 4px 0 0 var(--action); }
.student-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 800; }
.status-label { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: .8rem; }
.time-label { color: var(--muted); font: 500 .72rem/1.3 "SFMono-Regular", Consolas, monospace; white-space:nowrap; }
.help-label { color: oklch(0.45 0.13 70); font-size: .78rem; font-weight: 850; }
.empty-roster { padding: var(--space-2xl); color: var(--muted); line-height: 1.55; }
.detail-empty { height:100%;display:grid;place-items:center;padding:var(--space-2xl);color:var(--muted);text-align:center; }
.detail-view { height:100%;display:grid;grid-template-rows:auto minmax(0,1fr); }
.detail-header { min-height: 76px; display: flex; flex-wrap:wrap;align-items: center; justify-content: space-between; gap: var(--space-lg); padding: var(--space-lg) var(--space-xl); background: var(--surface); border-bottom: 1px solid var(--line); }
.detail-header>div:first-child { min-width:0;flex:1 1 380px; }
.detail-header h1 { margin: 0; font-size: 1.3rem; }
.detail-meta { margin-top: 4px; color: var(--muted); font-size: .8rem; }
.detail-actions { display: flex;flex:0 1 auto;flex-wrap:wrap;gap: var(--space-sm); }
.detail-actions .copy-button { white-space:nowrap; }
.detail-split { min-height: 0; display: grid; grid-template-rows: minmax(240px, 1.15fr) minmax(180px, .85fr); }
.teacher-project { min-height:0;display:grid;grid-template-rows:38px 42px minmax(0,1fr); }
.teacher-version-tabs { display:flex;align-items:center;gap:var(--space-sm);padding:0 var(--space-lg);border-bottom:1px solid var(--line);background:var(--surface);color:var(--muted);font-size:.78rem; }
.teacher-version-tabs button { margin-left:auto;white-space:nowrap; }
.teacher-version-tabs strong { color:var(--navy); }
.detail-actions [aria-pressed="true"] { border-color:var(--action);background:var(--action-soft);color:var(--navy); }
.teacher-file-tabs { display:flex;gap:2px;padding:var(--space-xs) var(--space-md);overflow-x:auto;background:var(--editor-raised);border-bottom:1px solid var(--editor-line); }
.teacher-file-tab { flex:none;min-height:32px;padding:0 var(--space-md);border:0;border-radius:var(--radius-sm);background:transparent;color:oklch(.72 .02 255);font:650 .78rem/1 "SFMono-Regular",Consolas,monospace; }
.teacher-file-tab:hover,.teacher-file-tab.active { background:var(--editor-line);color:white; }
.danger-action { border-color:oklch(.82 .08 25);color:var(--danger); }
.danger-action:hover { background:var(--danger-soft); }
.progress-list { display:grid;gap:var(--space-sm);max-height:50vh;overflow:auto;margin-bottom:var(--space-lg); }
.progress-item { display:flex;justify-content:space-between;gap:var(--space-md);padding:var(--space-md);border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);text-align:left; }
.progress-item:hover{background:var(--action-soft)}.progress-item span{color:var(--muted);font-size:.75rem}.publish-actions{display:flex;justify-content:flex-end;gap:var(--space-sm)}
.read-only-pane { min-height: 0; display: grid; grid-template-rows: 40px minmax(0, 1fr); }
.read-only-pane + .read-only-pane { border-top: 1px solid var(--editor-line); }
.pane-label { display: flex; align-items: center; justify-content: space-between; padding: 0 var(--space-lg); background: var(--editor-raised); color: oklch(0.82 0.025 255); font-size: .8rem; font-weight: 800; }
.code-readonly, .output-readonly { margin: 0; padding: var(--space-lg) var(--space-xl); overflow: auto; background: var(--editor); color: var(--editor-ink); font: 500 .875rem/1.65 "SFMono-Regular", Consolas, monospace; white-space: pre-wrap; tab-size: 4; }
.toast { position: fixed; left: 50%; bottom: var(--space-xl); z-index: 60; transform: translateX(-50%) translateY(16px); padding: var(--space-md) var(--space-lg); border-radius: var(--radius-md); background: var(--navy-strong); color: white; font-weight: 750; opacity: 0; pointer-events: none; transition: opacity 160ms ease, transform 160ms ease; }
.toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (max-width: 980px) {
html.student-page { height:auto;min-height:100%;overflow-x:hidden;overflow-y:auto; }
html.student-page body { height:auto;min-height:100vh;min-height:100dvh;overflow:visible;padding-bottom:env(safe-area-inset-bottom); }
.student-page .project-bar { align-items:stretch;flex-direction:column;padding:var(--space-md); }
.student-page .project-actions { overflow:visible;flex-wrap:wrap;align-items:stretch;justify-content:flex-start; }
.student-page .project-actions>* { flex:0 1 auto;min-width:0;max-width:100%; }
.editor-toggle { display:none; }
.panel-resizer { display:none; }
.student-layout { display:block;height:min(68dvh,700px);min-height:360px;flex:none; }
.mobile-tabs { display:flex;flex:none;background:var(--surface);border-bottom:1px solid var(--line); }
.mobile-tab { flex: 1; min-height: 46px; border: 0; background: var(--surface); color: var(--muted); font-weight: 800; }
.mobile-tab[aria-selected="true"] { color: var(--navy); box-shadow: inset 0 -3px 0 var(--action); }
.student-layout .panel { display:none;height:100%;min-height:0; }
.student-layout .panel.mobile-active { display:grid; }
.teacher-layout { grid-template-columns: minmax(320px, 42%) minmax(420px, 58%); }
}
@media (max-width: 720px) {
.student-page .app-header { min-height:0;flex-wrap:wrap;gap:var(--space-sm);padding:var(--space-sm) var(--space-md); }
.student-page .brand { width:100%;min-width:0; }
.student-page .brand-copy { min-width:0; }
.student-page .brand-copy span { display:block;max-width:calc(100vw - 72px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap; }
.student-page .header-actions { width:100%;flex-wrap:wrap;justify-content:space-between;gap:var(--space-xs); }
.student-page .connection-state { min-height:44px;padding-inline:var(--space-sm); }
.student-page .header-actions .btn { min-height:44px;padding-inline:.6rem; }
.student-page .project-context { display:grid;width:100%;grid-template-columns:max-content minmax(0,1fr);align-items:center; }
.student-page .project-context select,.student-page .project-context input { width:100%;min-width:0;max-width:none; }
.student-page .project-actions { display:grid;width:100%;grid-template-columns:repeat(2,minmax(0,1fr));align-items:stretch; }
.student-page .project-actions>* { width:100%;min-width:0;min-height:44px;padding:.4rem .5rem;line-height:1.3;white-space:normal;overflow-wrap:anywhere; }
.student-page .student-layout { height:min(68dvh,680px);min-height:360px; }
.mobile-tab { min-height:48px; }
.student-page dialog { max-height:calc(100dvh - 32px);overflow:auto; }
.student-page .dialog-content { padding:var(--space-xl); }
.student-page .progress-item { align-items:flex-start;flex-direction:column; }
.student-page .progress-item span { min-width:0;overflow-wrap:anywhere; }
.student-page .console-status { min-height:56px;flex-wrap:wrap;row-gap:4px;padding-block:var(--space-sm); }
.student-page .toast { left:max(12px,env(safe-area-inset-left));right:max(12px,env(safe-area-inset-right));max-width:calc(100vw - 24px);text-align:center;overflow-wrap:anywhere; }
.teacher-layout { display: block; }
.roster-panel { height:100%;min-height:0;border-right:0; }
.teacher-detail { position: fixed; inset: 60px 0 0; z-index: 18; display: none; }
.teacher-detail.mobile-open { display: block; }
.roster-header, .student-row { grid-template-columns: minmax(120px, 1fr) 90px 70px; }
.roster-header > :nth-child(3), .student-row > :nth-child(3) { display: none; }
.detail-header { padding-inline: var(--space-lg); }
.roster-add { padding-inline:var(--space-md); }
}
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
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