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18px}.settings-modal__account{background:#f8f8f8;border-radius:18px;display:grid;gap:8px;margin-bottom:16px;padding:16px 18px}.settings-modal__label{color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.settings-modal__logout{background:#fff5f5;border-color:#ffd7d7;color:#be1f1f}.settings-modal__empty{color:var(--muted);font-style:italic}@media (max-width: 1440px){:root{--sidebar-width: 336px;--composer-gap: 116px}.main-panel{padding:0 16px}.chat-stage{padding-inline:14px}}@media (max-width: 1200px){:root{--sidebar-width: 300px;--composer-gap: 124px}.layout{grid-template-columns:var(--sidebar-width) minmax(0,1fr)}.sidebar{padding:16px 16px 22px}.sidebar__action{min-height:56px}.sidebar__action--filled,.sidebar__action--search input{font-size:17px}.topbar{padding:0 20px}.message-card{max-width:min(100%,900px)}.message-card--assistant{max-width:min(88%,900px)}}@media (max-width: 1024px){:root{--header-height: 68px;--composer-gap: 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182px)}.chat-list__row{grid-template-columns:minmax(0,1fr) 32px}.composer{grid-template-areas:"left input right";grid-template-columns:auto minmax(0,1fr) auto;gap:8px}.composer-attachment-chip{max-width:min(260px,78vw)}.composer__left,.composer__right{width:auto}.composer__input{min-height:54px;padding:0 16px}.settings-modal__item{grid-template-columns:1fr}.settings-modal,.feedback-modal{border-radius:22px;padding:16px}.feedback-modal__header h2{font-size:24px}.feedback-modal__actions{flex-direction:column-reverse}.feedback-modal__secondary,.feedback-modal__primary{width:100%}.settings-modal__header h2{font-size:24px}.settings-modal__body{gap:14px}}@media (max-width: 480px){:root{--header-height: 60px;--composer-gap: 164px}.brand__name{font-size:17px}.sidebar{width:min(90vw,340px)}.sidebar__action{min-height:52px;padding:0 14px}.sidebar__action--filled,.sidebar__action--search input{font-size:16px}.chat-stage{padding-bottom:calc(var(--composer-gap) + 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