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.12s}.activity-btn:hover{color:#94a3b8;background:#111827}.activity-btn.active{color:#e2e8f0;border-left-color:#6366f1;background:#111827}.app-main{flex:1;display:flex;flex-direction:column;overflow:hidden}.teacher-builder{--teacher-bg: oklch(.16 .018 162);--teacher-panel: oklch(.2 .016 162);--teacher-panel-soft: oklch(.245 .018 162);--teacher-line: oklch(.34 .02 162);--teacher-line-soft: oklch(.28 .018 162);--teacher-text: oklch(.92 .012 158);--teacher-muted: oklch(.68 .022 158);--teacher-accent: oklch(.7 .12 158);background:linear-gradient(90deg,oklch(.26 .02 162 / .34) 0 1px,transparent 1px 100%) 0 0 / 22px 22px,linear-gradient(180deg,oklch(.19 .026 160),var(--teacher-bg));color:var(--teacher-text);display:grid;grid-template-rows:auto minmax(0,1fr);height:100%;min-height:0;overflow:hidden}.teacher-builder *,.teacher-builder *:before,.teacher-builder *:after{box-sizing:border-box;letter-spacing:0}.teacher-builder button,.teacher-builder 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var(--teacher-line);border-radius:7px;color:var(--teacher-text);cursor:pointer;display:inline-flex;font-size:13px;font-weight:750;min-height:34px;padding:0 12px}.teacher-agent-pill{cursor:default;font-size:12px}.teacher-agent-pill.ready{border-color:color-mix(in srgb,var(--teacher-accent) 48%,var(--teacher-line));color:var(--teacher-accent)}.teacher-agent-pill.pending{color:#cdab76}.teacher-builder-grid{display:grid;gap:16px;grid-template-columns:minmax(420px,.88fr) minmax(520px,1.12fr);min-height:0;overflow:hidden;padding:16px}.teacher-builder.teacher-builder--agent-wide .teacher-builder-grid{grid-template-columns:minmax(560px,1.12fr) minmax(440px,.88fr)}.teacher-builder-left{display:grid;grid-template-rows:minmax(0,1fr);min-height:0;overflow:hidden}.teacher-prompt-card,.teacher-blueprint-card,.teacher-revision-card,.teacher-preview-panel{background:color-mix(in srgb,var(--teacher-panel) 94%,black);border:1px solid var(--teacher-line);border-radius:8px;box-shadow:inset 0 1px #ffffff08}.teacher-prompt-card,.teacher-revision-card{display:grid;gap:12px;padding:16px}.teacher-agent-chat-shell{background:#050c09;border:1px solid var(--teacher-line);border-radius:8px;box-shadow:inset 0 1px #ffffff08;display:flex;flex-direction:column;font-size:12px;line-height:1.45;min-height:0;overflow:hidden}.teacher-agent-chat-shell .copilotKitChat,.teacher-agent-chat-shell .dashboard-copilot-chat,.teacher-agent-chat-shell .dashboard-copilot-chat-wrap{background:transparent!important;color:var(--teacher-text);height:100%}.teacher-agent-chat-shell .dashboard-copilot-chat-wrap{display:flex;flex-direction:column;min-height:0;position:relative}.teacher-agent-chat-shell .copilotKitChat{min-height:0;overflow:hidden;position:relative!important}.teacher-agent-chat-shell .copilotKitMessages,.teacher-agent-chat-shell [data-testid=copilot-message-list],.teacher-agent-chat-shell [data-testid=copilot-chat],.teacher-agent-chat-shell [data-copilotkit]{background:transparent!important;background-color:transparent!important}.teacher-agent-chat-shell .copilotKitMessages{gap:6px!important;padding:16px 20px 12px!important}.teacher-agent-chat-shell .copilotKitMessage{font-size:12px!important;line-height:1.45!important;max-width:100%!important;padding-top:6px!important}.teacher-agent-chat-shell .copilotKitUserMessage,.teacher-agent-chat-shell .copilotKitAssistantMessage{gap:4px!important}.teacher-agent-chat-shell .copilotKitUserMessage>div:first-child,.teacher-agent-chat-shell .copilotKitAssistantMessage>div:first-child{border-radius:7px!important;font-size:12px!important;line-height:1.45!important;padding:7px 9px!important}.teacher-agent-chat-shell .copilotKitUserMessage>div:has(img[alt="Image attachment"]){order:-1;margin-top:0!important;margin-bottom:4px!important}.teacher-agent-chat-shell .copilotKitUserMessage img[alt="Image attachment"],.teacher-agent-chat-shell .copilotKitAttachmentQueue img{width:92px!important;height:92px!important;max-width:92px!important;max-height:92px!important;object-fit:cover!important;border-radius:8px!important;border:1px solid rgba(148,163,184,.28)!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose{color:#cbd3ce!important;font-size:12px!important;line-height:1.45!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(p,li,ul,ol,span,strong,em){color:#cbd3ce!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(li::marker){color:#d9e0db!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(p,ul,ol,pre,blockquote){margin-bottom:.55em!important;margin-top:.55em!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(h1,h2,h3,h4,h5,h6){font-size:13px!important;line-height:1.35!important;margin-bottom:.45em!important;margin-top:.7em!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(pre){border-radius:6px!important;font-size:11.5px!important;line-height:1.45!important;max-width:100%!important;overflow-x:auto!important;padding:8px 9px!important;white-space:pre-wrap!important;word-break:break-word!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(code){font-size:.95em!important}.teacher-agent-chat-shell .copilotKitAssistantMessage .cpk\:prose :where(pre code){display:block!important;white-space:pre-wrap!important;word-break:break-word!important}.teacher-agent-activity{color:var(--teacher-muted);display:grid;gap:10px;margin:4px 0 14px;max-width:min(760px,100%);padding:0 0 0 2px}.teacher-agent-recovered-run{border-top:1px solid oklch(.28 .018 168 / .7);display:grid;gap:12px;margin:10px 16px 0;padding:12px 0 0}.teacher-agent-recovered-run .teacher-agent-activity{margin-bottom:0}.teacher-agent-recovered-answer{color:#cbd3ce;display:grid;font-size:12px;gap:8px;line-height:1.5;max-width:min(760px,100%);overflow-wrap:anywhere;white-space:pre-wrap}.teacher-agent-recovered-answer p{margin:0}.teacher-agent-recovered-code{background:#080f0cf5;border:1px solid oklch(.28 .018 168 / .74);border-radius:6px;color:#d0dad4;font-size:11.5px;line-height:1.45;margin:0;max-width:100%;overflow-x:auto;padding:8px 9px;white-space:pre-wrap;word-break:break-word}.teacher-agent-recovered-code code{font:inherit;white-space:pre-wrap}.teacher-agent-activity-head{align-items:baseline;border-bottom:1px solid oklch(.3 .014 168 / .72);display:flex;gap:8px;min-height:30px;padding:0 0 8px}.teacher-agent-activity-head span{color:var(--teacher-text);font-size:13px;font-weight:760;line-height:1.25}.teacher-agent-activity-head small{color:var(--teacher-muted);font-size:12px;font-weight:680}.teacher-agent-activity-steps{display:grid;gap:8px}.teacher-agent-activity-step{align-items:flex-start;border-radius:6px;display:grid;gap:9px;grid-template-columns:12px minmax(0,1fr);min-height:24px;overflow:hidden;padding:4px 8px 4px 1px;position:relative}.teacher-agent-activity-step.running{background:linear-gradient(90deg,#151c19a3,#12181500)}.teacher-agent-activity-step.running:after{animation:teacherAgentActivitySweep 1.35s linear infinite;background:linear-gradient(100deg,transparent 0%,oklch(.92 .03 98 / .12) 48%,transparent 100%);content:"";top:0;right:0;bottom:0;left:0;pointer-events:none;position:absolute;transform:translate(-100%)}.teacher-agent-activity-mark{border:1px solid oklch(.45 .018 168);border-radius:999px;height:8px;margin-top:5px;width:8px}.teacher-agent-activity-step.running .teacher-agent-activity-mark{animation:teacherStatusPulse 1s ease-in-out infinite;background:#deaf56;border-color:#deaf56;box-shadow:0 0 10px #deaf56a6}.teacher-agent-activity-step.done .teacher-agent-activity-mark{background:#4cb86a;border-color:#4cb86a;box-shadow:0 0 8px #4cb86a7a}.teacher-agent-activity-step.error .teacher-agent-activity-mark{background:#e5564a;border-color:#e5564a}.teacher-agent-activity-copy{display:grid;gap:3px;min-width:0}.teacher-agent-activity-copy strong{color:var(--teacher-text);font-size:13px;font-weight:760;line-height:1.35;overflow-wrap:anywhere}.teacher-agent-activity-copy small{color:var(--teacher-muted);font-size:12px;font-weight:620;line-height:1.35;overflow-wrap:anywhere}@keyframes teacherAgentActivitySweep{to{transform:translate(100%)}}.teacher-agent-chat-shell .copilotKitInput{background:#0f1613fa!important;border:1px solid oklch(.27 .022 168 / .72)!important;border-radius:22px!important;box-shadow:inset 0 1px #ffffff0a!important;display:flex!important;min-height:146px!important;overflow:visible!important;padding:0!important;width:100%!important}.teacher-agent-chat-shell .copilotKitChat>[data-copilotkit]:last-child{bottom:auto!important;flex:0 0 auto!important;left:auto!important;padding:0!important;pointer-events:none!important;position:relative!important;right:auto!important;width:100%!important;z-index:2!important}.teacher-agent-chat-shell .copilotKitChat>[data-copilotkit]:last-child>div:not(.teacher-agent-composer-shell){max-width:none!important;padding:0!important;pointer-events:auto!important;width:100%!important}.teacher-agent-chat-shell .copilotKitChat .cpk\:bg-gradient-to-t{display:none!important}.teacher-agent-chat-shell .copilotKitInput:not(.teacher-agent-composer)>div{align-items:center!important;display:grid!important;gap:8px 8px!important;grid-template-columns:34px minmax(0,1fr) auto!important;grid-template-rows:minmax(88px,auto) 34px!important;padding:12px 12px 10px!important;width:100%!important}.teacher-agent-chat-shell .copilotKitInput:not(.teacher-agent-composer)>div>div:nth-child(1){grid-column:1!important;grid-row:2!important;justify-self:start!important}.teacher-agent-chat-shell .copilotKitInput:not(.teacher-agent-composer)>div>div:nth-child(2){align-items:flex-start!important;grid-column:1 / -1!important;grid-row:1!important;justify-content:flex-start!important;min-height:88px!important;padding:4px 8px 0!important;width:100%!important}.teacher-agent-chat-shell .copilotKitInput:not(.teacher-agent-composer)>div>div:nth-child(3){grid-column:3!important;grid-row:2!important;justify-self:end!important}.teacher-agent-chat-shell .copilotKitInput textarea,.teacher-agent-chat-shell .copilotKitInput textarea::placeholder{color:var(--teacher-text)!important;font-size:12px!important;line-height:1.45!important}.teacher-agent-chat-shell .copilotKitInput textarea{align-self:start!important;background:transparent!important;caret-color:var(--teacher-accent)!important;max-height:210px!important;min-height:88px!important;outline:none!important;padding:0!important;resize:none!important;width:100%!important}.teacher-agent-chat-shell .copilotKitInput textarea::selection{background:color-mix(in srgb,var(--teacher-accent) 34%,transparent)!important;color:var(--teacher-text)!important}.teacher-agent-composer-shell{flex:0 0 auto;pointer-events:auto;width:100%}.teacher-agent-chat-shell .teacher-agent-composer-shell{padding:0 20px 28px!important}.teacher-agent-composer-grid{display:grid;gap:8px;grid-template-columns:auto auto minmax(0,1fr) auto;grid-template-rows:minmax(96px,auto) 34px;padding:11px 12px 10px;position:relative;width:100%}.teacher-agent-composer-main{grid-column:1 / -1;grid-row:1;min-height:96px;padding:4px 8px 0}.teacher-agent-composer-main>div,.teacher-agent-composer-main 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strong{font-size:12px;font-weight:760;line-height:1;max-width:86px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.teacher-agent-choice-trigger small{color:var(--teacher-muted);font-size:12px;line-height:1}.teacher-agent-choice-popmenu{background:#121715fa;border:1px solid oklch(.33 .014 168 / .78);border-radius:12px;bottom:36px;box-shadow:0 18px 44px #00000070;display:grid;min-width:156px;overflow:hidden;padding:7px;position:absolute;right:0;z-index:28}.teacher-agent-choice-popmenu button{align-items:center;background:transparent;border:0;border-radius:8px;color:var(--teacher-text);cursor:pointer;display:flex;font-size:13px;font-weight:720;height:31px;justify-content:space-between;padding:0 8px;text-align:left;width:100%}.teacher-agent-choice-popmenu button:hover,.teacher-agent-choice-popmenu button.active{background:#2c322fd1}.teacher-agent-choice-popmenu button:disabled{color:color-mix(in srgb,var(--teacher-muted) 70%,transparent);cursor:not-allowed}.teacher-agent-choice-popmenu b{color:var(--teacher-text);font-size:14px;font-weight:760}.teacher-agent-composer-icon{align-items:center;background:transparent;border:0;border-radius:999px;color:var(--teacher-muted);cursor:pointer;display:inline-flex;font-size:16px;height:34px;justify-content:center;padding:0;width:34px}.teacher-agent-composer-icon:hover{background:#18221e;color:var(--teacher-text)}.teacher-agent-composer-icon:disabled{cursor:default}.teacher-agent-composer-icon:disabled:hover{background:transparent;color:var(--teacher-muted)}.teacher-agent-context-meter{align-items:center;background:transparent;border:0;border-radius:999px;color:var(--teacher-muted);cursor:default;display:inline-flex;height:28px;justify-content:center;padding:0;position:relative;width:28px}.teacher-agent-context-pie{background:conic-gradient(color-mix(in srgb,var(--teacher-accent) 78%,white) 0 var(--teacher-context-used, 0%),oklch(.3 .018 168) var(--teacher-context-used, 0%) 100%);border:1px solid oklch(.38 .022 168 / .78);border-radius:999px;box-shadow:inset 0 0 0 3px #0a110e;display:block;height:15px;width:15px}.teacher-agent-context-popover{background:#131a17f5;border:1px solid oklch(.38 .018 168 / .82);border-radius:8px;bottom:34px;box-shadow:0 14px 36px #0000005c;color:var(--teacher-text);display:grid;font-size:12px;gap:3px;min-width:190px;opacity:0;padding:10px 12px;pointer-events:none;position:absolute;right:-34px;text-align:left;transform:translateY(4px);transition:opacity .12s ease,transform .12s ease;z-index:20}.teacher-agent-context-popover:after{background:inherit;border-bottom:1px solid oklch(.38 .018 168 / .82);border-right:1px solid oklch(.38 .018 168 / .82);bottom:-5px;content:"";height:9px;position:absolute;right:42px;transform:rotate(45deg);width:9px}.teacher-agent-context-popover span{color:var(--teacher-muted)}.teacher-agent-context-popover strong,.teacher-agent-context-popover b{color:var(--teacher-text);font-weight:760}.teacher-agent-context-meter:hover .teacher-agent-context-popover,.teacher-agent-context-meter:focus-visible .teacher-agent-context-popover{opacity:1;transform:translateY(0)}.teacher-agent-status-light{border-radius:999px;display:inline-block;flex:0 0 auto;height:8px;margin-right:2px;width:8px}.teacher-agent-status-pill{align-items:center;background:#151c19d1;border:1px solid oklch(.3 .016 168 / .72);border-radius:999px;color:var(--teacher-muted);display:inline-flex;font-size:12px;font-weight:720;gap:5px;height:28px;line-height:1;padding:0 8px;white-space:nowrap}.teacher-agent-status-pill.running,.teacher-agent-status-pill.switching{border-color:#584b34c7;color:#e5cea5}.teacher-agent-status-pill.error,.teacher-agent-status-pill.unavailable{border-color:#8d453dc7;color:#eeb4ab}.teacher-agent-status-light.ready{background:#4ac06c;box-shadow:0 0 9px #4ac06cb8}.teacher-agent-status-light.running,.teacher-agent-status-light.switching{animation:teacherStatusPulse 1s ease-in-out infinite;background:#deaf56;box-shadow:0 0 9px #deaf56b8}.teacher-agent-status-light.error,.teacher-agent-status-light.unavailable{background:#e5564a;box-shadow:0 0 9px #e5564a9e}@keyframes teacherStatusPulse{0%,to{opacity:.45;transform:scale(.88)}50%{opacity:1;transform:scale(1)}}.teacher-agent-send-button.loading{cursor:wait!important}.teacher-agent-send-button.has-override-icon svg{display:block;height:16px;width:16px}.teacher-agent-stopped-note{align-self:flex-start;border:1px solid oklch(.36 .018 168 / .78);border-radius:999px;color:var(--teacher-muted);font-size:12px;font-weight:720;line-height:1;margin:4px 0 2px 2px;padding:7px 10px}.teacher-agent-chat-shell .copilotKitUserMessage [data-testid=copilot-user-toolbar]{opacity:1!important;visibility:visible!important}.teacher-agent-user-action{align-items:center;background:transparent;border:0;border-radius:999px;color:var(--teacher-muted);cursor:pointer;display:inline-flex;height:28px;justify-content:center;padding:0;width:28px}.teacher-agent-user-action:hover{background:#18221e;color:var(--teacher-text)}.teacher-agent-user-action:disabled{cursor:default;opacity:.42}.teacher-agent-user-action:disabled:hover{background:transparent;color:var(--teacher-muted)}.teacher-agent-spinner,.teacher-agent-loading-spinner{animation:teacherAgentSpin .82s linear infinite;border:2px solid currentColor;border-right-color:transparent;border-radius:999px;display:inline-block;height:15px;width:15px}@keyframes teacherAgentSpin{to{transform:rotate(360deg)}}.teacher-agent-loading{display:flex;flex:1;flex-direction:column;gap:0;min-height:0;padding:0}.teacher-agent-loading-messages{display:flex;flex:1;flex-direction:column;gap:12px;min-height:0;padding:16px 20px 12px}.teacher-agent-skeleton-line,.teacher-agent-skeleton-block{animation:teacherAgentSkeleton 1.35s ease-in-out infinite;background:linear-gradient(90deg,#0e1914db,#1a2b22e6,#0e1914db);background-size:220% 100%;border-radius:999px}.teacher-agent-skeleton-line{height:12px;width:min(520px,72%)}.teacher-agent-skeleton-line.short{width:min(280px,42%)}.teacher-agent-skeleton-line.medium{width:min(420px,58%)}.teacher-agent-skeleton-block{border-radius:10px;height:82px;width:min(620px,86%)}.teacher-agent-loading-placeholder-text{color:var(--teacher-muted);font-size:12px;line-height:1.45;opacity:.9}.teacher-agent-loading .teacher-agent-composer-icon{cursor:default}.teacher-agent-loading-plus{align-items:center;border-radius:999px;color:var(--teacher-muted);display:inline-flex;font-size:20px;height:34px;justify-content:center;line-height:1;width:34px}@keyframes teacherAgentSkeleton{0%{background-position:160% 0;opacity:.48}50%{opacity:.86}to{background-position:-60% 0;opacity:.48}}.teacher-agent-chat-shell .copilotKitInputControlButton,.teacher-agent-chat-shell .copilotKitMessageControlButton,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-add-menu-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-start-transcribe-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-cancel-transcribe-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-finish-transcribe-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-send-button]{align-items:center!important;align-self:center!important;background:transparent!important;border-radius:999px!important;border:0!important;cursor:pointer!important;display:inline-flex!important;height:34px!important;justify-content:center!important;min-height:34px!important;min-width:34px!important;opacity:1!important;padding:0!important;pointer-events:auto!important;visibility:visible!important;width:34px!important}.teacher-agent-chat-shell .copilotKitInputControlButton svg,.teacher-agent-chat-shell .copilotKitMessageControlButton svg,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-add-menu-button] svg,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-start-transcribe-button] svg,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-cancel-transcribe-button] svg,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-finish-transcribe-button] svg,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-send-button] svg{display:block!important;height:16px!important;opacity:1!important;visibility:visible!important;width:16px!important}.teacher-agent-chat-shell .copilotKitInputControlButton,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-add-menu-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-start-transcribe-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-cancel-transcribe-button],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-finish-transcribe-button]{color:var(--teacher-muted)!important}.teacher-agent-chat-shell .copilotKitInputControlButton:hover,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-add-menu-button]:hover,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-start-transcribe-button]:hover,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-cancel-transcribe-button]:hover,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-finish-transcribe-button]:hover{background:#18221e!important;color:var(--teacher-text)!important}.teacher-agent-chat-shell .copilotKitInput .copilotKitMessageControlButton:last-child,.teacher-agent-chat-shell .copilotKitInput button[type=submit],.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-send-button],.teacher-agent-chat-shell .copilotKitInput [aria-label*=Send],.teacher-agent-chat-shell .copilotKitInput [aria-label*=send]{background:#d0dad6!important;color:#080f0c!important;margin:0!important}.teacher-agent-chat-shell .copilotKitInput .copilotKitMessageControlButton:last-child:hover,.teacher-agent-chat-shell .copilotKitInput button[type=submit]:hover,.teacher-agent-chat-shell .copilotKitInput [data-testid=copilot-send-button]:hover,.teacher-agent-chat-shell .copilotKitInput [aria-label*=Send]:hover,.teacher-agent-chat-shell .copilotKitInput [aria-label*=send]:hover{background:#fff!important}.teacher-agent-chat-shell [data-copilotkit]{--copilot-kit-background-color: transparent;--copilot-kit-input-background-color: oklch(.19 .012 168);--copilot-kit-contrast-color: var(--teacher-panel-soft);--copilot-kit-primary-color: var(--teacher-accent);--copilot-kit-secondary-color: var(--teacher-panel);--copilot-kit-separator-color: var(--teacher-line);--copilot-kit-muted-color: var(--teacher-muted);--copilot-kit-font-color: var(--teacher-text);--copilot-kit-secondary-contrast-color: var(--teacher-text);--copilot-kit-error-background: oklch(.22 .07 28);--copilot-kit-error-border: oklch(.52 .14 28);--copilot-kit-error-text: oklch(.84 .08 28)}.teacher-agent-error{position:absolute;left:14px;right:14px;bottom:96px;z-index:4;border:1px solid oklch(.52 .14 28);border-radius:7px;background:#290b09f5;color:#fbb7ae;font-size:12px;line-height:1.5;padding:10px 12px}.teacher-agent-state,.teacher-agent-unavailable{align-items:center;color:var(--teacher-muted);display:flex;flex-direction:column;gap:8px;height:100%;justify-content:center;padding:24px;text-align:center}.teacher-agent-state-dot{animation:teacherStatusPulse 1s ease-in-out infinite;background:#deaf56;border-radius:999px;box-shadow:0 0 10px #deaf56b3;height:9px;width:9px}.teacher-agent-state small{font-size:12px}.teacher-agent-state strong,.teacher-agent-unavailable strong{color:var(--teacher-text);font-size:15px}.teacher-agent-unavailable span{font-size:13px;line-height:1.6}.teacher-card-head{align-items:center;display:flex;justify-content:space-between}.teacher-card-head strong{border:1px solid color-mix(in srgb,var(--teacher-accent) 35%,var(--teacher-line));border-radius:999px;color:var(--teacher-muted);font-size:12px;padding:3px 8px}.teacher-prompt-card textarea,.teacher-revision-card textarea{background:#050c09;border:1px solid var(--teacher-line);border-radius:8px;color:var(--teacher-text);font-size:15px;line-height:1.65;min-height:138px;outline:none;padding:14px;resize:vertical;width:100%}.teacher-revision-card textarea{min-height:92px}.teacher-preset-row{display:flex;flex-wrap:wrap;gap:8px}.teacher-preset-row button{color:var(--teacher-muted);font-size:12px;font-weight:650;line-height:1.35;min-height:32px;max-width:100%;text-align:left}.teacher-preset-row button:hover,.teacher-builder-header__actions button:hover,.teacher-action-row button:hover,.teacher-endpoint-tabs button:hover,.teacher-share-bar button:hover{background:color-mix(in srgb,var(--teacher-accent) 12%,var(--teacher-panel-soft));border-color:color-mix(in srgb,var(--teacher-accent) 34%,var(--teacher-line))}.teacher-action-row{display:flex;flex-wrap:wrap;gap:10px}.teacher-action-row .teacher-primary-action{background:var(--teacher-accent);border-color:#68c894;color:#020c07}.teacher-builder button:disabled{cursor:not-allowed;opacity:.5}.teacher-notice{background:color-mix(in srgb,var(--teacher-accent) 8%,transparent);border:1px solid color-mix(in srgb,var(--teacher-accent) 22%,var(--teacher-line));border-radius:8px;color:var(--teacher-muted);font-size:13px;line-height:1.55;padding:10px 12px}.teacher-blueprint-grid{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr))}.teacher-blueprint-card{display:grid;gap:7px;min-height:124px;padding:14px}.teacher-blueprint-card strong{font-size:15px;line-height:1.4}.teacher-blueprint-card p{color:var(--teacher-muted);font-size:12px;line-height:1.6;margin:0}.teacher-preview-panel{display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-height:0;overflow:hidden}.teacher-preview-head{align-items:center;border-bottom:1px solid var(--teacher-line);display:flex;gap:14px;justify-content:space-between;padding:12px 14px}.teacher-preview-head strong{display:block;font-size:15px;margin-top:3px}.teacher-endpoint-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}.teacher-endpoint-tabs button{color:var(--teacher-muted);gap:7px;min-height:32px}.teacher-endpoint-tabs button span{color:var(--teacher-muted);font-size:12px;font-weight:650}.teacher-endpoint-tabs button.active{background:color-mix(in srgb,var(--teacher-accent) 16%,var(--teacher-panel-soft));border-color:color-mix(in srgb,var(--teacher-accent) 46%,var(--teacher-line));color:var(--teacher-text)}.teacher-preview-stage{align-items:center;background:linear-gradient(90deg,oklch(.25 .018 162 / .32) 0 1px,transparent 1px 100%) 0 0 / 22px 22px,#040d09;display:flex;justify-content:center;min-height:0;overflow:auto;padding:18px}.teacher-device{background:#0b0f1a;border:1px solid var(--teacher-line);box-shadow:0 18px 48px #00000052;display:flex;overflow:hidden}.teacher-device iframe{background:#fff;border:0;flex:1;min-height:0;width:100%}.teacher-device--mobile{border-radius:24px;height:min(720px,100%);max-height:100%;max-width:100%;width:390px}.teacher-device--ipad{border-radius:18px;height:min(820px,100%);max-height:100%;max-width:100%;width:min(768px,100%)}.teacher-device--pc{border-radius:8px;height:100%;min-height:460px;width:100%}.teacher-preview-empty{align-items:center;color:var(--teacher-muted);display:flex;flex-direction:column;gap:8px;justify-content:center;padding:24px;text-align:center;width:100%}.teacher-preview-empty strong{color:var(--teacher-text);font-size:16px}.teacher-preview-empty span{font-size:13px;line-height:1.6}.teacher-share-bar{align-items:center;border-top:1px solid var(--teacher-line);display:grid;gap:10px;grid-template-columns:minmax(0,1fr) repeat(4,auto);padding:12px 14px}.teacher-share-bar strong{color:var(--teacher-muted);display:block;font-size:13px;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.teacher-share-bar small{color:var(--teacher-muted);display:block;font-size:11px;line-height:1.4;margin-top:4px}.teacher-debug-error{color:#fca5a5!important}.teacher-publish-link{border-top:1px solid var(--teacher-line);color:var(--teacher-muted);font-size:12px;padding:9px 14px 12px}.teacher-publish-link button{background:transparent;border:0;color:var(--teacher-accent);cursor:pointer;font:inherit;margin:0;max-width:100%;overflow:hidden;padding:0;text-overflow:ellipsis;vertical-align:bottom;white-space:nowrap}.teacher-debug-qr-overlay{align-items:center;background:#020617ad;display:flex;top:0;right:0;bottom:0;left:0;justify-content:center;padding:18px;position:fixed;z-index:120}.teacher-debug-qr-panel{align-items:center;background:var(--teacher-panel);border:1px solid var(--teacher-line);border-radius:8px;box-shadow:0 24px 80px #0000006b;color:var(--teacher-text);display:flex;flex-direction:column;gap:14px;max-width:min(360px,100%);padding:18px}.teacher-debug-qr-panel>div{align-items:center;display:flex;gap:16px;justify-content:space-between;width:100%}.teacher-debug-qr-panel span{color:var(--teacher-text);font-size:14px;font-weight:800}.teacher-debug-qr-panel button{background:var(--teacher-panel-soft);border:1px solid var(--teacher-line);border-radius:7px;color:var(--teacher-text);cursor:pointer;min-height:30px;padding:0 10px}.teacher-debug-qr-panel code{background:var(--teacher-panel-soft);border:1px solid var(--teacher-line);border-radius:6px;color:var(--teacher-accent);display:block;font-size:11px;line-height:1.45;max-width:100%;overflow-wrap:anywhere;padding:9px}.teacher-builder-state{align-items:center;background:#0b0f1a;color:#94a3b8;display:flex;height:100%;justify-content:center}@media (max-width: 1180px){.teacher-builder{overflow:auto}.teacher-builder-grid{grid-template-columns:1fr;overflow:visible}.teacher-preview-panel{min-height:680px}}@media (max-width: 760px){.teacher-builder-header,.teacher-preview-head,.teacher-share-bar{align-items:stretch;grid-template-columns:1fr}.teacher-builder-header,.teacher-preview-head{flex-direction:column}.teacher-builder-grid{grid-template-columns:minmax(0,1fr);padding:10px}.teacher-blueprint-grid{grid-template-columns:1fr}.teacher-share-bar{display:grid}}.ide-root{height:100%;display:flex;flex-direction:column;background:#0d1117;color:#e2e8f0;-webkit-user-select:none;user-select:none}.ide-root input,.ide-root textarea,.editor-body,.editor-body *{-webkit-user-select:text;user-select:text}.ide-header{height:44px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid #1f2937;background:#0d1117}.header-left,.header-right{display:flex;align-items:center;gap:12px}.header-actions{display:flex;align-items:center;gap:4px}.icon-btn{background:transparent;border:none;color:#94a3b8;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;cursor:pointer;transition:all .2s}.icon-btn:hover{background:#1f2937;color:#e2e8f0}.icon-btn.primary{color:#818cf8}.icon-btn.primary:hover{background:#6366f126;color:#a5b4fc}.icon-btn:disabled{opacity:.5;cursor:not-allowed}.ide-header.compact .header-center{margin:0 4px}.header-center{flex:1;display:flex;justify-content:center;padding:0 16px;min-width:0;height:100%}.ghost-btn{background:transparent;border:1px solid #1f2937;color:#e2e8f0;padding:4px 10px;border-radius:4px;font-size:12px;cursor:pointer}.primary-btn{background:#fff;color:#0b0f1a;border:none;padding:4px 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#1f2937;border-radius:4px;padding:16px;display:flex;flex-direction:column;gap:12px}.modal-header{display:flex;align-items:center;justify-content:space-between}.modal-title{font-size:14px;font-weight:600}.modal-body{display:flex;flex-direction:column;gap:8px;font-size:12px;color:#9ca3af}.endpoint-list{display:flex;flex-direction:column;gap:8px}.endpoint-row{display:flex;gap:8px;align-items:center}.endpoint-row select{flex:1}.modal-actions{display:flex;justify-content:flex-end;gap:8px}