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.btn{width:100%}.upload-zone{align-items:flex-start;flex-direction:column}.file-input{max-width:100%}.chat-card{min-height:430px}.chat-messages{min-height:285px;max-height:55vh}.chat-aside{grid-template-columns:1fr}.dialog-card{padding:20px}.dialog-actions{flex-wrap:wrap}.dialog-actions .btn{flex:1}.setup-actions{align-items:flex-start;flex-direction:column}.setup-actions .btn{width:100%}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

[hidden]{display:none!important}

@media(max-width:780px) and (min-width:561px){.app-shell{grid-template-columns:190px minmax(0,1fr)}.sidebar{align-items:stretch;padding:17px 10px}.brand-copy{display:block}.nav-item{justify-content:flex-start;padding:10px}.nav-item>span:last-child{display:block}.subject-nav .nav-item{justify-content:flex-start;padding:8px}}
@media(max-width:560px){.sidebar .subject-nav .nav-item>span:last-child{display:block}}

.upload-zone small+small{color:#98743d}.detection-note{margin:10px 0 2px;padding:10px 11px;border:1px solid #eee2c8;border-radius:9px;background:#fcf8ee;color:#7b673f;font-size:10px;line-height:1.55}.detection-note[hidden]{display:none}

/* Explicit, per-message AI consent and data-flow disclosure */
.chat-ai-consent{display:grid;gap:9px;margin-top:11px;padding:11px 12px;border:1px solid #dbe6df;border-radius:10px;background:#f7faf8}.chat-ai-consent .check-label{align-items:flex-start;gap:8px;color:#40584e;font-size:10px;line-height:1.45}.chat-ai-consent input{flex:0 0 auto;margin-top:2px}.chat-ai-consent input:disabled+span{color:#87918c}.ai-private{padding-top:2px}.ai-disclosure{margin:0;color:#69766f;font-size:9px;line-height:1.55}.ai-disclosure strong{color:#394c43}.ai-disclosure a{color:#3d6b58;text-decoration:underline;text-underline-offset:2px}.message .message-via{color:#63786d}.chat-options{justify-content:flex-end}
@media(max-width:640px){.chat-ai-consent{padding:10px}.chat-ai-consent .check-label{font-size:10px}.ai-disclosure{font-size:9px}.chat-options{justify-content:flex-start}}