.app-page {
    padding: 3rem 0 5rem;
}

.app-page--setup {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.app-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.9fr);
    align-items: start;
}

.app-grid--single {
    grid-template-columns: minmax(0, 860px);
    justify-content: center;
}

.app-card,
.auth-panel {
    padding: clamp(1.5rem, 4vw, 2.5rem);
    border-radius: var(--site-radius-lg);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.72);
    box-shadow: var(--site-shadow-strong);
}

.app-card h1,
.auth-panel h1 {
    margin: 0;
    font-family: "Aptos Display", "Trebuchet MS", "Segoe UI", sans-serif;
    font-size: clamp(2.1rem, 4vw, 3.3rem);
    line-height: 1.02;
    letter-spacing: -0.04em;
}

.app-card h2,
.auth-panel h2 {
    margin: 0;
    font-size: 1.55rem;
    letter-spacing: -0.03em;
}

.app-card--hero {
    display: grid;
    gap: 1.8rem;
}

.app-card--wide {
    grid-column: 1 / -1;
}

.app-lead {
    margin: 1rem 0 0;
    color: var(--site-text-muted);
    font-size: 1.05rem;
    line-height: 1.72;
}

.auth-layout {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
    align-items: start;
}

.panel-list {
    margin: 1.5rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.9rem;
}

.panel-list li {
    position: relative;
    padding-left: 1.35rem;
    line-height: 1.65;
    color: var(--site-text);
}

.panel-list li::before {
    content: "";
    position: absolute;
    top: 0.62rem;
    left: 0;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--site-accent), var(--site-primary));
}

.form-grid,
.field-grid {
    display: grid;
    gap: 1rem;
}

.field-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-group {
    margin: 0;
    padding: 0;
    border: 0;
}

.field {
    display: grid;
    gap: 0.45rem;
}

.field--full {
    grid-column: 1 / -1;
}

.field__label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--site-text);
}

.field__input {
    width: 100%;
    min-height: 3.3rem;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(16, 33, 54, 0.14);
    border-radius: 16px;
    background: rgba(249, 251, 254, 0.9);
    color: var(--site-text);
    transition: border-color var(--site-transition), box-shadow var(--site-transition), background-color var(--site-transition);
}

.field__input:focus {
    border-color: rgba(16, 58, 107, 0.4);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(16, 58, 107, 0.08);
    outline: none;
}

.field__textarea {
    min-height: 10rem;
    resize: vertical;
}

.field__hint {
    color: var(--site-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.field__error {
    color: #b03037;
    font-size: 0.92rem;
    line-height: 1.45;
}

.captcha-box {
    padding: 1rem 1.1rem;
    border-radius: 20px;
    background: rgba(16, 58, 107, 0.05);
    border: 1px dashed rgba(16, 58, 107, 0.18);
}

.captcha-box__digits {
    margin-top: 0.55rem;
    font-family: "Consolas", "Courier New", monospace;
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 0.42em;
    color: var(--site-primary-deep);
}

.captcha-input {
    font-family: "Consolas", "Courier New", monospace;
    letter-spacing: 0.2em;
    font-size: 1.1rem;
}

.choice-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-card {
    display: grid;
    gap: 0.35rem;
    padding: 1rem 1.1rem;
    border-radius: 18px;
    border: 1px solid rgba(16, 33, 54, 0.12);
    background: rgba(249, 251, 254, 0.82);
    cursor: pointer;
}

.choice-card input {
    margin: 0 0 0.35rem;
}

.choice-card__title {
    font-weight: 700;
    color: var(--site-text);
}

.choice-card__text {
    color: var(--site-text-muted);
    line-height: 1.55;
}

[data-setup-form][data-driver="mysql"] [data-driver-section="sqlite"] {
    display: none;
}

[data-setup-form][data-driver="sqlite"] [data-driver-section="mysql"] {
    display: none;
}

.app-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.app-note {
    margin: 1.25rem 0 0;
    color: var(--site-text-muted);
    line-height: 1.6;
}

.app-note a,
.panel-list a {
    color: var(--site-primary);
}

.stat-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.stat-card {
    padding: 1rem 1.1rem;
    border-radius: 20px;
    background: rgba(16, 58, 107, 0.05);
    border: 1px solid rgba(16, 58, 107, 0.08);
}

.stat-card__label {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--site-text-muted);
    font-size: 0.9rem;
}

.stat-card strong {
    display: block;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.section-header {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.case-list {
    display: grid;
    gap: 1rem;
}

.case-card {
    padding: 1.3rem;
    border-radius: 24px;
    background: rgba(249, 251, 254, 0.9);
    border: 1px solid rgba(16, 33, 54, 0.08);
}

.case-card__top {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 1rem;
}

.case-card__eyebrow {
    display: inline-block;
    margin-bottom: 0.5rem;
    color: var(--site-primary);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-card h3 {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.case-card__topic {
    margin: 0.85rem 0 0;
    color: var(--site-primary);
    font-weight: 700;
}

.case-card__description {
    margin: 0.75rem 0 0;
    color: var(--site-text-muted);
    line-height: 1.7;
}

.case-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem 1.5rem;
    margin-top: 1rem;
    color: var(--site-text-muted);
    font-size: 0.92rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.3rem 0.8rem;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.status-badge--new {
    background: rgba(16, 58, 107, 0.09);
    color: var(--site-primary);
}

.status-badge--in_progress {
    background: rgba(197, 155, 98, 0.16);
    color: #7d5a2c;
}

.status-badge--closed {
    background: rgba(69, 111, 78, 0.14);
    color: #2f6840;
}

.empty-state {
    padding: 1.5rem;
    border-radius: 24px;
    background: rgba(249, 251, 254, 0.9);
    border: 1px dashed rgba(16, 33, 54, 0.18);
}

.empty-state h3 {
    margin: 0;
}

.empty-state p {
    margin: 0.85rem 0 1.25rem;
    color: var(--site-text-muted);
    line-height: 1.65;
}

.profile-card {
    display: grid;
    gap: 1.2rem;
}

.profile-note {
    padding: 1rem 1.05rem;
    border-radius: 18px;
    background: rgba(16, 58, 107, 0.05);
}

.profile-note__label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--site-text-muted);
    font-size: 0.88rem;
}

.profile-note strong {
    display: block;
    font-size: 1rem;
}

.profile-note p {
    margin: 0.45rem 0 0;
    color: var(--site-text-muted);
}

.detail-hero {
    gap: 1.5rem;
}

.detail-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.section-caption {
    color: var(--site-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    text-align: right;
}

.context-card {
    display: grid;
    gap: 1rem;
    padding: 1.35rem;
    border-radius: 24px;
    background: rgba(249, 251, 254, 0.92);
    border: 1px solid rgba(16, 33, 54, 0.08);
}

.context-card__lead {
    margin: 0;
    color: var(--site-primary);
    font-weight: 700;
}

.context-card__body {
    color: var(--site-text);
    line-height: 1.78;
}

.resource-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
}

.resource-panel {
    display: grid;
    gap: 1rem;
    padding: 1.35rem;
    border-radius: 24px;
    background: rgba(249, 251, 254, 0.92);
    border: 1px solid rgba(16, 33, 54, 0.08);
}

.resource-panel h3 {
    margin: 0;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.resource-panel--spaced {
    margin-top: 1.5rem;
}

.resource-list {
    display: grid;
    gap: 1rem;
}

.resource-card {
    padding: 1.2rem;
    border-radius: 22px;
    background: #ffffff;
    border: 1px solid rgba(16, 33, 54, 0.08);
}

.resource-card--compact {
    padding: 1rem 1.1rem;
}

.resource-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.resource-card h3 {
    margin: 0;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}

.resource-card__meta {
    margin: 0.7rem 0 0;
    color: var(--site-text-muted);
    line-height: 1.6;
}

.resource-card__text {
    margin: 0.75rem 0 0;
    color: var(--site-text);
    line-height: 1.72;
}

.resource-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.resource-actions--top {
    margin-top: 1.15rem;
}

.subtle-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(16, 58, 107, 0.08);
    color: var(--site-primary);
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.subtle-badge--status {
    background: rgba(197, 155, 98, 0.18);
    color: #7d5a2c;
}

.subtle-badge--ai-ready {
    background: rgba(69, 111, 78, 0.16);
    color: #2f6840;
}

.subtle-badge--ai-processing,
.subtle-badge--ai-pending {
    background: rgba(16, 58, 107, 0.08);
    color: var(--site-primary);
}

.subtle-badge--ai-error {
    background: rgba(176, 48, 55, 0.14);
    color: #a02b33;
}

.text-link {
    color: var(--site-primary);
}

.text-link:hover,
.text-link:focus-visible {
    color: var(--site-primary-deep);
}

.field__textarea--compact {
    min-height: 7rem;
}

.field__file {
    padding-block: 0.75rem;
    background: rgba(255, 255, 255, 0.94);
}

.empty-state--compact {
    padding: 1.25rem;
}

.placeholder-card--inner {
    max-width: none;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.placeholder-card--inner .placeholder-card__lead {
    margin: 0;
}

.setup-note p {
    margin: 0;
    color: var(--site-text-muted);
    line-height: 1.68;
}

.message-list {
    display: grid;
    gap: 0.9rem;
}

.message-card {
    padding: 1rem 1.1rem;
    border-radius: 22px;
    border: 1px solid rgba(16, 33, 54, 0.08);
    background: #ffffff;
}

.message-card--user {
    background: rgba(16, 58, 107, 0.05);
}

.message-card--assistant {
    background: rgba(249, 251, 254, 0.96);
}

.message-card--system {
    background: rgba(176, 48, 55, 0.05);
    border-color: rgba(176, 48, 55, 0.16);
}

.message-card__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.7rem;
    color: var(--site-text-muted);
    font-size: 0.9rem;
}

.message-card__body {
    color: var(--site-text);
    line-height: 1.72;
}

.message-sources {
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid rgba(16, 33, 54, 0.08);
}

.message-sources__title {
    display: block;
    margin-bottom: 0.55rem;
    color: var(--site-primary);
    font-size: 0.92rem;
}

.message-sources__list {
    margin: 0;
    padding-left: 1.1rem;
    display: grid;
    gap: 0.45rem;
}

.message-sources__item {
    color: var(--site-text-muted);
    line-height: 1.5;
}

.button--danger {
    color: #ffffff;
    background: linear-gradient(135deg, #9b2931 0%, #c53d47 100%);
    box-shadow: 0 18px 34px rgba(155, 41, 49, 0.22);
}

.button--danger:hover,
.button--danger:focus-visible {
    background: linear-gradient(135deg, #872229 0%, #b3343e 100%);
}

.button--danger-ghost {
    color: #9b2931;
    background: rgba(155, 41, 49, 0.08);
    border-color: rgba(155, 41, 49, 0.18);
}

.button--danger-ghost:hover,
.button--danger-ghost:focus-visible {
    background: rgba(155, 41, 49, 0.14);
}

.case-shell,
.chat-shell {
    display: grid;
    gap: 1.5rem;
    align-items: start;
}

.case-shell {
    grid-template-columns: minmax(0, 1fr);
}

.chat-shell {
    grid-template-columns: minmax(0, 1fr);
}

.case-sidebar,
.chat-sidebar {
    position: sticky;
    top: 1rem;
    display: grid;
    gap: 1rem;
}

.chat-sidebar {
    max-height: calc(100vh - 2rem);
    overflow: auto;
}

.case-sidebar__top,
.chat-sidebar__top {
    display: grid;
    gap: 0.75rem;
}

.case-sidebar__top .eyebrow,
.chat-sidebar__top .eyebrow {
    margin-bottom: 0;
}

.case-sidebar__stats {
    display: grid;
    gap: 0.75rem;
}

.case-sidebar__stat {
    display: grid;
    gap: 0.2rem;
    padding: 0.95rem 1rem;
    border-radius: 18px;
    background: rgba(16, 58, 107, 0.05);
}

.case-sidebar__stat span {
    color: var(--site-text-muted);
    font-size: 0.88rem;
}

.case-sidebar__stat strong {
    font-size: 1rem;
}

.case-sidebar__actions {
    display: grid;
    gap: 0.75rem;
}

.case-danger,
.chat-danger {
    display: grid;
    gap: 0.85rem;
    padding: 1rem 1.05rem;
    border-radius: 20px;
    background: rgba(155, 41, 49, 0.06);
    border: 1px solid rgba(155, 41, 49, 0.1);
}

.case-danger p,
.chat-danger p {
    margin: 0;
    color: var(--site-text-muted);
    line-height: 1.6;
}

.case-main {
    display: grid;
    gap: 1.5rem;
}

.case-main--full {
    max-width: 1120px;
    width: 100%;
    margin: 0 auto;
}

.case-section {
    display: grid;
    gap: 1.25rem;
}

.upload-dropzone {
    position: relative;
    display: block;
    cursor: pointer;
}

.upload-dropzone__input,
.chat-upload-form__input {
    position: absolute;
    inset: 0;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}

.upload-dropzone__body {
    display: grid;
    place-items: center;
    gap: 0.55rem;
    min-height: 112px;
    padding: 1.1rem 1rem;
    border-radius: 26px;
    border: 1px dashed rgba(16, 58, 107, 0.22);
    background:
        radial-gradient(circle at top left, rgba(197, 155, 98, 0.12), transparent 42%),
        rgba(249, 251, 254, 0.96);
    text-align: center;
    transition: border-color var(--site-transition), transform var(--site-transition), box-shadow var(--site-transition);
}

.upload-dropzone:hover .upload-dropzone__body,
.upload-dropzone.is-dragover .upload-dropzone__body {
    border-color: rgba(16, 58, 107, 0.38);
    box-shadow: 0 18px 40px rgba(16, 58, 107, 0.08);
    transform: translateY(-2px);
}

.upload-dropzone__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.7rem;
    height: 2.7rem;
    border-radius: 50%;
    background: rgba(16, 58, 107, 0.08);
    color: var(--site-primary);
    font-size: 1.55rem;
    line-height: 1;
}

.file-stack,
.chat-row-list {
    display: grid;
    gap: 0.9rem;
}

.file-row,
.chat-row {
    display: grid;
    gap: 0.9rem;
    padding: 1.2rem;
    border-radius: 24px;
    background: rgba(249, 251, 254, 0.94);
    border: 1px solid rgba(16, 33, 54, 0.08);
}

.file-row__main,
.file-row__meta,
.chat-row__head,
.chat-row__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    justify-content: space-between;
}

.file-row__main {
    align-items: flex-start;
}

.file-row__info {
    display: grid;
    gap: 0.35rem;
}

.file-row__info h3,
.chat-row__head h3 {
    margin: 0;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}

.file-row__info p,
.chat-row__text {
    margin: 0;
    color: var(--site-text-muted);
    line-height: 1.65;
}

.file-row__meta {
    justify-content: flex-start;
    color: var(--site-text-muted);
    font-size: 0.9rem;
}

.file-row__summary {
    margin: 0;
    color: var(--site-text);
    line-height: 1.7;
}

.chat-create-card {
    display: grid;
    gap: 1rem;
    padding: 1.35rem;
    border-radius: 24px;
    background: rgba(249, 251, 254, 0.92);
    border: 1px solid rgba(16, 33, 54, 0.08);
}

.chat-create-card h3 {
    margin: 0;
}

.chat-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
}

.chat-row__body {
    display: grid;
    gap: 0.8rem;
}

.chat-sidebar__section {
    display: grid;
    gap: 0.75rem;
    padding: 1rem 1.05rem;
    border-radius: 20px;
    background: rgba(16, 58, 107, 0.05);
}

.chat-sidebar__label {
    color: var(--site-text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.chat-sidebar__text {
    margin: 0;
    color: var(--site-text-muted);
    line-height: 1.65;
}

.chat-nav,
.chat-file-list {
    display: grid;
    gap: 0.6rem;
}

.chat-nav__item,
.chat-file-pill {
    display: grid;
    gap: 0.28rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    background: #ffffff;
    border: 1px solid rgba(16, 33, 54, 0.08);
    transition: border-color var(--site-transition), transform var(--site-transition), box-shadow var(--site-transition);
}

.chat-nav__item:hover,
.chat-nav__item:focus-visible,
.chat-file-pill:hover,
.chat-file-pill:focus-visible {
    transform: translateY(-1px);
    border-color: rgba(16, 58, 107, 0.2);
    box-shadow: 0 12px 24px rgba(16, 58, 107, 0.08);
}

.chat-nav__item--active {
    background: rgba(16, 58, 107, 0.09);
    border-color: rgba(16, 58, 107, 0.2);
}

.chat-nav__title,
.chat-file-pill__title {
    font-weight: 700;
    color: var(--site-text);
}

.chat-nav__meta,
.chat-file-pill__meta {
    color: var(--site-text-muted);
    font-size: 0.86rem;
    line-height: 1.5;
}

.app-page--chat {
    padding-top: 1.2rem;
    padding-bottom: 2rem;
}

.chat-main {
    display: grid;
    grid-template-rows: auto auto minmax(320px, 1fr) auto;
    gap: 1rem;
    min-height: calc(100vh - 2rem);
}

.chat-main--full {
    max-width: 1120px;
    width: 100%;
    margin: 0 auto;
}

.chat-main__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.chat-main__lead {
    margin: 0.75rem 0 0;
    color: var(--site-text-muted);
    line-height: 1.65;
}

.chat-main__status {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.chat-thread {
    display: grid;
    gap: 0.9rem;
    align-content: start;
    min-height: 18rem;
    max-height: calc(100vh - 23rem);
    overflow: auto;
    padding-right: 0.35rem;
}

.chat-empty {
    padding: 1.5rem;
    border-radius: 24px;
    border: 1px dashed rgba(16, 33, 54, 0.18);
    background: rgba(249, 251, 254, 0.92);
}

.chat-empty h3,
.chat-empty p {
    margin: 0;
}

.chat-empty p {
    margin-top: 0.8rem;
    color: var(--site-text-muted);
    line-height: 1.65;
}

.chat-bubble {
    max-width: min(52rem, 100%);
    padding: 1rem 1.15rem;
    border-radius: 26px;
    border: 1px solid rgba(16, 33, 54, 0.08);
    background: #ffffff;
}

.chat-bubble--assistant {
    margin-right: auto;
    border-bottom-left-radius: 12px;
    background: rgba(249, 251, 254, 0.96);
}

.chat-bubble--user {
    margin-left: auto;
    border-bottom-right-radius: 12px;
    background: rgba(16, 58, 107, 0.08);
}

.chat-bubble--system {
    width: 100%;
    background: rgba(176, 48, 55, 0.06);
    border-color: rgba(176, 48, 55, 0.16);
}

.chat-bubble__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.7rem;
    color: var(--site-text-muted);
    font-size: 0.88rem;
}

.chat-bubble__body {
    line-height: 1.72;
    color: var(--site-text);
}

.chat-composer-stack {
    position: sticky;
    bottom: 1rem;
    display: grid;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(16, 33, 54, 0.08);
    box-shadow: var(--site-shadow-soft);
}

.chat-composer {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: end;
}

.composer-plus {
    width: 3.2rem;
    height: 3.2rem;
    border: 1px solid rgba(16, 33, 54, 0.12);
    border-radius: 18px;
    background: rgba(249, 251, 254, 0.95);
    color: var(--site-primary);
    font-size: 1.8rem;
    line-height: 1;
    cursor: pointer;
    transition: transform var(--site-transition), background-color var(--site-transition), border-color var(--site-transition);
}

.composer-plus:hover,
.composer-plus:focus-visible {
    transform: translateY(-1px);
    background: #ffffff;
    border-color: rgba(16, 58, 107, 0.24);
}

.chat-composer__input {
    width: 100%;
    min-height: 3.3rem;
    max-height: 280px;
    padding: 0.9rem 1rem;
    border-radius: 20px;
    border: 1px solid rgba(16, 33, 54, 0.14);
    background: rgba(249, 251, 254, 0.95);
    color: var(--site-text);
    resize: none;
    transition: border-color var(--site-transition), box-shadow var(--site-transition), background-color var(--site-transition);
}

.chat-composer__input:focus {
    outline: none;
    background: #ffffff;
    border-color: rgba(16, 58, 107, 0.4);
    box-shadow: 0 0 0 4px rgba(16, 58, 107, 0.08);
}

.composer-send {
    min-width: 8.5rem;
}

.composer-note {
    margin: 0;
    color: var(--site-text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

[data-chat-upload-area].is-dragover,
[data-chat-upload-area].is-dragover .chat-composer__input {
    border-color: rgba(16, 58, 107, 0.3);
    box-shadow: 0 20px 42px rgba(16, 58, 107, 0.12);
}

@media (max-width: 1180px) {
    .case-shell,
    .chat-shell {
        grid-template-columns: 1fr;
    }

    .case-sidebar,
    .chat-sidebar {
        position: static;
        max-height: none;
    }
}

@media (max-width: 960px) {
    .app-grid,
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .app-card--wide {
        grid-column: auto;
    }

    .stat-grid,
    .resource-grid,
    .choice-grid,
    .field-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .app-page {
        padding: 2rem 0 4rem;
    }

    .section-header {
        align-items: stretch;
        flex-direction: column;
    }

    .detail-head,
    .case-card__top {
        flex-direction: column;
    }

    .section-caption {
        text-align: left;
    }

    .chat-main {
        min-height: auto;
        grid-template-rows: auto auto auto auto;
    }

    .chat-main__header,
    .chat-row,
    .chat-row__head {
        display: grid;
    }

    .chat-thread {
        max-height: none;
        min-height: 0;
        overflow: visible;
        padding-right: 0;
    }

    .chat-composer {
        grid-template-columns: auto minmax(0, 1fr);
    }

    .composer-send {
        grid-column: 1 / -1;
        width: 100%;
    }
}