:root{--deep-indigo:#363897;--primary-blue:#363897;--primary-indigo:#363897;--primary-dark:#272970;--dark-indigo:#272970;--light-indigo:#686bb7;--electric-mint:#477c60;--mint-hover:#35694c;--warm-slate:#5b6274;--paper-bg:#f6f7fb;--slate-dark:#20253d;--slate-light:#a8b0c2;--slate-lighter:#dce0e9;--slate-lightest:#f3f4f9;--card-shadow:none;--card-shadow-hover:none;--glass-shadow:none;--auth-card-shadow:none;--radius:6px;--radius-sm:5px;--radius-md:7px;--radius-lg:8px;--text-dark:#20253d;--text-muted:#5b6274;--danger:#ae2335;--primary:#363897;--text-main:#20253d;color-scheme:light}
body.pc-platform{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper-bg);color:#20253d;line-height:1.65}h1,h2,h3,h4,h5,h6{font-family:inherit;color:#20253d;letter-spacing:-.03em}a{color:#363897;text-underline-offset:4px}a:hover{color:#272970}button,input,select,textarea{font:inherit}a,button{touch-action:manipulation}:is(a,button,input,select,textarea,summary):focus-visible{outline:3px solid #ae6316;outline-offset:4px}.container{max-width:1240px;width:calc(100% - 80px);padding:0}.navbar{position:relative;background:white;border-bottom:1px solid #dce0e9;box-shadow:none;padding:14px 0;min-height:82px}.brand-logo{font-size:21px;font-weight:700;letter-spacing:-.04em;color:#20253d;gap:10px;min-height:48px;white-space:nowrap}.brand-logo img{height:34px;width:34px;margin:0}.nav-container{gap:36px}.nav-links{display:flex;gap:26px;align-items:center;flex:1}.nav-links>a{font-size:14px;min-height:44px;display:inline-flex;align-items:center;font-weight:550}.nav-links>a.active{color:#363897;text-decoration:underline;text-underline-offset:6px}.user-menu{margin-left:auto;display:flex;align-items:center;gap:18px}.user-email{font-size:12px;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#5b6274}.btn-logout{font-size:13px;min-height:44px;display:flex;align-items:center;color:#5b6274}.auth-nav{justify-content:flex-end;flex:0;white-space:nowrap}.auth-nav a{font-size:14px}.skip-link{position:absolute;top:-80px;left:20px;z-index:1000;background:#363897;color:#fff;padding:12px 18px;border-radius:4px}.skip-link:focus{top:10px}.main-content{padding:38px 0 56px}.btn{border-radius:6px;min-height:46px;height:auto;font-size:14px;font-weight:600;padding:11px 18px;line-height:1.45;text-transform:none;box-shadow:none;transition:background-color .15s;gap:9px}.btn:hover{transform:none;box-shadow:none}.btn-primary{background:#363897;border:1px solid #363897;color:#fff}.btn-primary:hover{background:#272970;border-color:#272970;color:#fff}.btn-secondary{background:white;color:#363897;border:1px solid #b6bdd0}.btn-secondary:hover{background:#eef0f8}.btn-sm{min-height:44px}.btn-danger{background:#a62538;color:#fff}.btn:disabled{opacity:.55}.btn-google{min-height:48px;border-radius:6px}.card{border:1px solid #dce0e9;border-radius:8px;box-shadow:none;background:white}.card:hover{box-shadow:none;transform:none}.card-header{background:transparent;align-items:center;border-bottom:1px solid #dce0e9;border-radius:0}.card-header>h2{font-size:24px}.card-header h1{font-size:30px;margin-bottom:4px;line-height:1.2}.workspace-label{font-size:12px;color:#62697c;margin-bottom:7px}.workspace-subtitle{font-size:14px;color:#5b6274;margin-bottom:0}.card-header>div:first-child{min-width:0}.empty-workspace{display:grid;grid-template-columns:1.2fr .8fr;background:#fff;border:1px solid #dce0e9;border-radius:8px;margin-top:30px;overflow:hidden}.empty-intro{padding:50px;align-self:center}.empty-mark{display:flex;align-items:center;justify-content:center;width:60px;height:70px;color:#363897;border:1px solid #c9cede;background:#f5f6fc;border-radius:5px;margin-bottom:26px;font-size:28px}.empty-intro h2{font-size:27px;max-width:21ch;line-height:1.2}.empty-intro p{font-size:15px;max-width:48ch;color:#5b6274;margin-bottom:25px}.workspace-checklist{padding:40px;background:#f7f8fb;border-left:1px solid #dce0e9}.workspace-checklist h3{font-size:16px;margin-bottom:8px}.workspace-checklist h3:not(:first-child){margin-top:28px}.workspace-checklist p{font-size:14px;color:#5b6274;margin-bottom:5px}.workspace-checklist a{display:inline-flex;align-items:center;gap:14px;font-size:13px;min-height:44px;text-decoration:underline}.form-control{border:1px solid #a6adbf;border-radius:5px;min-height:46px;padding:11px 12px;font-size:16px;background:white;color:#20253d}.form-label{font-size:14px;color:#20253d;font-weight:600}.form-group{margin-bottom:22px}.invalid-feedback{font-size:13px;color:#a62538}.form-control.is-invalid{border-color:#ae2335}.form-check-input{width:20px;height:20px;accent-color:#363897}.auth-container{display:grid;grid-template-columns:1fr 1fr;gap:80px;max-width:1040px;min-height:calc(100dvh - 160px);margin:auto;padding:45px 20px;align-items:center;justify-content:normal;background:transparent}.auth-context{max-width:400px;align-self:center}.context-label{font-size:12px;color:#5b6274;display:block;margin-bottom:20px}.auth-context h2{font-size:35px;line-height:1.15;max-width:19ch;letter-spacing:-.04em;margin-bottom:18px}.auth-context>p{font-size:15px;color:#5b6274}.auth-context ol{padding:0;margin:28px 0;list-style:none;counter-reset:auth}.auth-context li{counter-increment:auth;position:relative;padding:0 0 22px 42px;margin-left:12px;border-left:1px solid #d0d5e4;line-height:1.5}.auth-context li:last-child{border:0;padding-bottom:0}.auth-context li::before{content:counter(auth);position:absolute;left:-12px;top:0;display:flex;align-items:center;justify-content:center;width:25px;height:25px;border:1px solid #c2c9db;border-radius:50%;background:#f6f7fb;color:#363897;font-size:12px}.auth-context strong{display:block;font-size:14px;font-weight:600}.auth-context li span{display:block;color:#5b6274;font-size:13px;margin-top:4px}.auth-context .auth-cost{font-size:12px;border-top:1px solid #dce0e9;padding-top:18px;margin:0}.auth-context>a{display:inline-flex;align-items:center;min-height:44px;font-size:13px;text-decoration:underline}.instructor-auth .main-content{padding:0}.auth-card{background:#fff;border:1px solid #dce0e9;border-radius:8px;box-shadow:none;padding:34px;width:100%;max-width:none;animation:none;margin:0}.auth-header{text-align:left;margin-bottom:24px}.auth-logo{display:none}.auth-title{font-size:27px;line-height:1.2;color:#20253d;margin-bottom:12px}.auth-subtitle{font-size:14px;line-height:1.6;color:#5b6274}.auth-card .btn-primary{width:100%}.auth-card form a:not(.btn){display:inline-flex;align-items:center;min-height:44px;text-decoration:underline!important;font-size:13px!important;line-height:1.5}.auth-card .form-label{font-size:13px}.auth-card .text-center{text-align:left}.auth-card .text-muted{color:#5b6274}.auth-card .text-muted a{white-space:nowrap}.auth-help{font-size:11px;margin:6px 0 0;color:#62697c}.auth-password-row{flex-direction:column;gap:0!important}.auth-card .form-check{align-items:center!important;gap:10px;padding:6px 0}.auth-card .form-check-input{min-width:20px;width:20px;height:20px;margin:0}.auth-card .refresh-captcha{min-width:44px;min-height:44px;background:#f4f5fa;border:1px solid #c8cede;color:#363897;border-radius:5px}.auth-card .captcha-image{border:1px solid #dce0e9}.auth-card .captcha-row{display:flex;gap:12px;align-items:center}.instructor-auth .success-icon{background:#e7f4ee;color:#35694c;border-radius:6px}.instructor-auth .success-message{text-align:left}.instructor-auth .divider{font-size:12px;color:#62697c}.instructor-auth .btn-google{font-size:13px}.mobile-menu-btn{min-width:44px;min-height:44px;font-size:14px;color:#20253d;align-items:center;gap:10px;border:1px solid #dce0e9;border-radius:5px;padding:8px 12px;background:white}.footer{background:transparent;color:#5b6274;border-top:1px solid #dce0e9;padding:22px 0}.footer .container{display:flex;justify-content:space-between;align-items:center;font-size:12px}.footer p{margin:0}.footer a{display:flex;align-items:center;min-height:44px;font-size:12px;text-decoration:underline}.dashboard-grid{gap:20px}.module-card{border:1px solid #dce0e9}.module-card:hover{transform:none}.module-card h3{font-size:19px}.module-desc{font-size:14px}.module-footer{border-top:1px solid #e1e4ed;background:#fcfcfe}.badge{border-radius:4px;height:auto;font-size:11px;padding:4px 8px}.badge-ready,.badge-completed{background:#e4f1e9;color:#2e6346}.badge-draft{background:#edf0f7;color:#505b76}.module-actions-right :is(a,button){min-width:44px;min-height:44px}.refine-overlay{background:transparent;position:relative;inset:auto;display:block;padding:0}.refine-modal{width:calc(100% - 48px);max-width:1000px;max-height:none;margin:0 auto;border:1px solid #dce0e9;box-shadow:none;border-radius:8px}.refine-modal-header{background:white;border-bottom:1px solid #dce0e9;padding:26px 32px}.refine-modal-header h2{font-size:27px;margin-bottom:7px}.refine-eyebrow{display:none}.refine-subtitle{font-size:14px;color:#5b6274}.refine-modal-body{padding:28px 32px;max-height:none;overflow:visible}.refine-close{min-width:44px;min-height:44px;color:#5b6274}.refine-section{border-color:#dce0e9;box-shadow:none}.refine-required{border:0;border-radius:0;padding:0}.refine-required .refine-section-title{display:none}.refine-collapsible{border:0;border-top:1px solid #dce0e9;border-radius:0;background:white}.refine-collapsible summary{min-height:58px;background:white;padding:17px 0;color:#20253d}.refine-section-body{padding:5px 0 22px}.refine-hint{font-size:12px;color:#5b6274}.refine-section-title i,.refine-collapsible summary i{display:none}.refine-radio{min-height:44px;padding:8px 0}.refine-number{max-width:150px}.refine-form .actions .btn{min-height:48px}.pc-platform .provider-card{border:1px solid #dce0e9;box-shadow:none;border-radius:8px}.pc-platform .provider-card:hover{transform:none;box-shadow:none}.pc-platform .connections-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,330px),1fr));gap:20px}.pc-platform .provider-card .btn{min-height:44px}.pc-platform .audit-table{box-shadow:none;border:1px solid #dce0e9}.pc-platform .status-badge{border-radius:4px;letter-spacing:0;font-size:11px}.pc-platform .no-providers-banner{border:1px solid #d1d6e8;background:#eef0f9;border-radius:6px;color:#363d64}.pc-platform .loading-overlay{backdrop-filter:none}.pc-platform .tabs{background:transparent;border-bottom:1px solid #dce0e9}
@media(max-width:1050px){.container{width:calc(100% - 48px)}.user-email{display:none}.nav-links{gap:22px}.nav-container{gap:30px}.auth-container{gap:45px;padding-inline:30px}.auth-context h2{font-size:31px}.empty-intro{padding:34px}.workspace-checklist{padding:30px}.instructor-auth .nav-links{display:flex}}
@media(max-width:768px){.container{width:calc(100% - 36px)}.navbar{padding:12px 0;min-height:76px}.nav-container{flex-wrap:wrap;gap:0}.brand-logo{font-size:19px}.mobile-menu-btn{display:flex}.nav-links:not(.auth-nav){display:none;width:100%;flex-basis:100%;padding-top:16px;align-items:stretch}.nav-links.is-open{display:flex;flex-direction:column;gap:0}.nav-links>a{min-height:48px;padding:10px 0}.user-menu{margin:10px 0 0;border-top:1px solid #dce0e9;padding-top:10px;justify-content:space-between}.user-email{display:block;max-width:200px}.auth-nav{display:flex;gap:12px;flex:none}.auth-nav a:first-child{display:none}.auth-nav .btn{font-size:12px;padding:10px 12px;min-height:44px}.main-content{padding:28px 0 40px}.card-header{gap:20px;flex-wrap:wrap}.card-header h1{font-size:28px}.workspace-subtitle{font-size:13px}.workspace-label{font-size:11px}.empty-workspace{grid-template-columns:1fr;margin-top:22px}.empty-intro{padding:28px}.empty-intro h2{font-size:25px}.empty-intro p{font-size:14px}.empty-mark{width:45px;height:55px;font-size:22px;margin-bottom:20px}.workspace-checklist{padding:28px;border-left:0;border-top:1px solid #dce0e9}.workspace-checklist h3{font-size:15px}.workspace-checklist p{font-size:13px}.auth-container{grid-template-columns:1fr;gap:26px;padding:28px 18px;min-height:0;max-width:560px}.auth-context{grid-row:2;max-width:none;padding:0 8px}.auth-context .context-label{display:none}.auth-context h2{font-size:23px;max-width:25ch;margin-bottom:12px}.auth-context>p{font-size:14px}.auth-context ol{margin:22px 0}.auth-context li{padding-bottom:18px}.auth-card{padding:26px}.auth-title{font-size:25px}.auth-subtitle{font-size:13px}.auth-card .form-control{font-size:16px}.auth-header{margin-bottom:20px}.refine-modal{width:calc(100% - 36px)}.refine-modal-header{padding:22px}.refine-modal-header h2{font-size:25px}.refine-modal-body{padding:22px}.refine-modal .refine-grid,.refine-modal .row{grid-template-columns:1fr}.pc-platform .provider-card{padding:24px}.footer .container{font-size:11px}.provider-header{flex-wrap:wrap;gap:15px}.card-body{padding:22px}.form-control{max-width:100%}.auth-card .text-muted{font-size:13px!important}.refine-settings-inline{flex-direction:column}.refine-form .actions{display:block}.refine-form .actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Registration keeps related password fields together on wider screens. */
.auth-password-row{flex-direction:row;gap:15px!important}.auth-password-row>.col{min-width:0}.auth-card .captcha-container{padding:0;background:transparent;border:0}.auth-card .form-check-label{font-size:12px;line-height:1.6;font-weight:400}.auth-card .form-check-label a{display:inline!important;min-height:0!important;font-size:12px!important}.auth-card .form-check{min-height:48px}
@media(max-width:600px){.auth-password-row{flex-direction:column;gap:0!important}}
/* A saved brief has a concrete next action, before any generation is queued. */
.saved-draft{display:grid;grid-template-columns:1.3fr .7fr;background:white;border:1px solid #dce0e9;border-radius:8px;overflow:hidden;margin:0 0 24px}.saved-draft-main{padding:36px}.saved-draft h1{font-size:30px;line-height:1.2;overflow-wrap:anywhere;margin-bottom:20px}.saved-instructions{font-size:15px;color:#5b6274;margin-bottom:25px;max-width:68ch}.saved-draft dl{display:grid;grid-template-columns:130px 1fr;gap:12px 24px;font-size:14px;border-top:1px solid #e0e4ee;padding-top:22px}.saved-draft dt{color:#5b6274}.saved-draft dd{margin:0;overflow-wrap:anywhere}.saved-draft aside{padding:36px;background:#f3f4fa;border-left:1px solid #dce0e9}.saved-draft h2{font-size:21px;line-height:1.25}.saved-draft aside p{font-size:14px;color:#5b6274;margin-bottom:20px}.saved-draft aside .saved-review-note{font-size:12px;border-top:1px solid #d5dbe9;padding-top:20px;margin:24px 0 0}
/* Use a document history rather than animated chat bubbles for module versions. */
.pc-platform .conversation-card{max-width:100%;width:100%;border:1px solid #dce0e9;border-radius:6px;box-shadow:none;margin:0;background:white}.pc-platform .conversation-card.instructor{border-left:3px solid #7679b6;background:#fafbfe}.pc-platform .conversation-card.ai{border-left:3px solid #7a9b88;background:#fff}.pc-platform .conversation-card.ai.processing{animation:none;opacity:1;border-color:#c8d8ce;box-shadow:none}.pc-platform .conversation-card::before,.pc-platform .conversation-card::after{display:none}.pc-platform .conversation-card:hover{box-shadow:none}.pc-platform .conversation-icon strong{font-size:13px;text-transform:none;letter-spacing:0;color:#373e57}.pc-platform .conversation-icon .conversation-logo{display:none}.pc-platform .conversation-timestamp{font-size:11px;color:#62697c}.pc-platform .conversation-header{padding-bottom:12px;border-bottom:1px solid #e1e5ee}.pc-platform .processing-indicator{background:#f1f6f3;border-radius:4px;border:0;color:#365b46;padding:18px;font-size:14px}.pc-platform .processing-indicator i{font-size:18px!important}.pc-platform .version-badge{background:#e8ecf5;color:#4e5c78;border-radius:4px;font-size:11px}.pc-platform .conversation-header-sticky{position:relative;top:0;border-bottom:1px solid #dce0e9;box-shadow:none;margin:0;padding:20px 24px}.pc-platform .version-timeline{padding:24px;gap:20px}.pc-platform .conversation-title{font-size:17px}.pc-platform .settings-summary,.pc-platform .settings-diff{background:transparent;border-top:1px solid #dce0e9;padding:16px 0 0;margin-top:18px;border-radius:0;font-size:12px}.pc-platform .settings-summary>strong{font-size:12px;font-weight:600;color:#5b6274}.pc-platform .setting-item{background:transparent;font-size:12px;padding:5px 0}.pc-platform .instruction-text{font-size:14px;line-height:1.7}.pc-platform .chat-input-container{box-shadow:none;border-top:1px solid #dce0e9;padding:20px 24px;gap:14px}.pc-platform #chatMessageInput{border:1px solid #a6adbf;border-radius:5px;font-size:14px}.pc-platform .btn-text-toggle{min-height:44px;text-decoration:underline;font-size:12px}
@media(max-width:768px){.saved-draft{grid-template-columns:1fr}.saved-draft-main,.saved-draft aside{padding:24px}.saved-draft h1{font-size:26px}.saved-draft aside{border-left:0;border-top:1px solid #dce0e9}.saved-draft dl{grid-template-columns:1fr;gap:4px;font-size:13px}.saved-draft dd{margin-bottom:12px}.saved-draft h2{font-size:20px}.saved-instructions{font-size:14px}.pc-platform .version-timeline{padding:18px}.pc-platform .conversation-card{padding:16px}.pc-platform .conversation-header-sticky{padding:18px}.pc-platform .chat-input-container{padding:18px}.pc-platform .conversation-header{gap:12px}.pc-platform .settings-grid{grid-template-columns:1fr}.pc-platform .conversation-card.ai.processing{max-width:100%}}
/* Modules are comparable records: use compact rows with consistent actions. */
.modules-group{margin-top:30px}.modules-group>h2{font-size:18px;margin-bottom:18px}.module-list{border:1px solid #dce0e9;background:white;border-radius:8px;overflow:hidden}.module-record{display:grid;grid-template-columns:minmax(0,1fr) 130px auto;gap:32px;padding:26px 28px;border-top:1px solid #dce0e9;align-items:center}.module-record:first-child{border-top:0}.module-record h2{font-size:18px;line-height:1.3;letter-spacing:-.02em;margin-bottom:9px;overflow-wrap:anywhere}.module-record h2 a{color:#20253d}.module-record h2 a:hover{text-decoration:underline}.module-record-main>p{font-size:13px;color:#5b6274;line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;overflow-wrap:anywhere}.module-record-meta{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.module-record time{font-size:12px;color:#62697c}.module-record-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.module-record-actions .btn{min-height:44px;font-size:13px}.delete-record{background:white;border:1px solid #dce0e9;min-width:44px;color:#6b7080;padding:10px}.delete-record:hover{background:#fcf0f2;color:#a62538;border-color:#d7abb3}.unread-count,.module-role{font-size:11px;color:#363897}.unread-count{margin-top:8px;display:inline-block}
@media(max-width:900px){.module-record{gap:20px;grid-template-columns:minmax(0,1fr) 110px auto;padding:22px}.module-record-actions{gap:8px}}
@media(max-width:700px){.module-record{grid-template-columns:minmax(0,1fr) auto;gap:16px 20px;padding:22px}.module-record-main{grid-column:1/-1}.module-record-meta{flex-direction:row;flex-wrap:wrap;align-items:center;gap:9px}.module-record time{font-size:11px}.module-record-actions{justify-content:flex-end}.module-record-actions .btn{font-size:12px;padding:9px 12px}.module-record-actions .delete-record{padding:10px}.module-record h2{font-size:18px}.module-record-main>p{font-size:13px}.module-record .badge{font-size:10px}}
.auth-card .form-check-label a{display:inline-flex!important;align-items:center;min-height:44px!important}.instructor-auth .auth-container>a,.instructor-auth .auth-container .text-center>a{display:inline-flex;align-items:center;min-height:44px}
.instructor-auth .auth-card a:not(.btn):not(.btn-google){display:inline-flex;align-items:center;min-height:44px}