/* AISignal shared application shell. Keep all rules ui-* scoped. */

:root {
    --ui-canvas: #111416;
    --ui-surface: #171b1e;
    --ui-surface-raised: #1d2226;
    --ui-surface-hover: #252b30;
    --ui-border: #30373d;
    --ui-border-strong: #465059;
    --ui-text: #eef1f3;
    --ui-text-secondary: #b9c1c7;
    --ui-text-muted: #909ba3;
    --ui-accent: #70b9e8;
    --ui-accent-soft: #18384b;
    --ui-focus: 0 0 0 3px rgba(112, 185, 232, 0.34);
    --ui-header-height: 64px;
    --ui-content-max: 1440px;
    --ui-ease: cubic-bezier(.22, 1, .36, 1);
}

.ui-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.ui-shell-body {
    margin: 0;
    min-width: 320px;
    min-height: 100dvh;
    background: var(--ui-canvas);
    color: var(--ui-text);
}

.ui-app-shell.v22-app-shell {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100dvh;
    background: var(--ui-canvas);
}

.ui-skip-link {
    position: fixed;
    z-index: 100;
    top: 8px;
    left: 12px;
    padding: 9px 13px;
    border: 1px solid var(--ui-accent);
    border-radius: 6px;
    background: var(--ui-surface-raised);
    color: var(--ui-text);
    font: 600 14px/20px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    text-decoration: none;
    transform: translateY(-160%);
    transition: transform 160ms var(--ui-ease);
}

.ui-skip-link:focus {
    outline: none;
    box-shadow: var(--ui-focus);
    transform: translateY(0);
}

.ui-header {
    position: sticky;
    z-index: 30;
    top: 0;
    width: 100%;
    height: var(--ui-header-height);
    border-bottom: 1px solid var(--ui-border);
    background: rgba(17, 20, 22, 0.97);
}

.ui-header-inner {
    display: grid;
    grid-template-columns: minmax(152px, 188px) auto minmax(170px, 1fr) auto;
    align-items: center;
    gap: 18px;
    width: min(100%, var(--ui-content-max));
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
}

.ui-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--ui-text);
    text-decoration: none;
}

.ui-brand-mark {
    display: grid;
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    place-items: center;
    border: 1px solid #3e687f;
    border-radius: 9px;
    background: #193344;
    color: #bce2f7;
    font: 700 12px/1 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: 0.02em;
}

.ui-brand-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 1px;
}

.ui-brand-copy strong {
    overflow: hidden;
    color: var(--ui-text);
    font: 600 15px/20px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    letter-spacing: -0.01em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ui-brand-copy small {
    overflow: hidden;
    color: var(--ui-text-muted);
    font: 400 11px/16px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ui-primary-nav {
    display: flex;
    align-items: center;
    align-self: stretch;
    gap: 2px;
}

.ui-nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 58px;
    height: 100%;
    padding: 0 13px;
    color: var(--ui-text-secondary);
    font: 500 14px/20px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    text-decoration: none;
    transition: color 120ms ease, background-color 120ms ease;
}

.ui-nav-link::after {
    position: absolute;
    right: 13px;
    bottom: -1px;
    left: 13px;
    height: 2px;
    border-radius: 2px 2px 0 0;
    background: transparent;
    content: "";
}

.ui-nav-link:hover {
    background: rgba(255, 255, 255, 0.035);
    color: var(--ui-text);
}

.ui-nav-link.is-active {
    color: var(--ui-text);
}

.ui-nav-link.is-active::after {
    background: var(--ui-accent);
}

.ui-global-search {
    display: flex;
    align-items: center;
    justify-self: end;
    gap: 8px;
    width: min(100%, 270px);
    height: 38px;
    padding: 0 11px;
    border: 1px solid var(--ui-border);
    border-radius: 7px;
    background: var(--ui-surface);
    color: var(--ui-text-muted);
    transition: border-color 120ms ease, background-color 120ms ease, box-shadow 120ms ease;
}

.ui-global-search:hover {
    border-color: var(--ui-border-strong);
}

.ui-global-search:focus-within {
    border-color: var(--ui-accent);
    background: var(--ui-surface-raised);
    box-shadow: var(--ui-focus);
    color: var(--ui-text-secondary);
}

.ui-global-search input[type="search"] {
    min-width: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--ui-text);
    font: 400 13px/20px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ui-global-search input[type="search"]::placeholder {
    color: var(--ui-text-muted);
    opacity: 1;
}

.ui-global-search input[type="search"]::-webkit-search-cancel-button {
    filter: invert(.75);
}

.ui-header-tools {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
}

.ui-data-status,
.ui-tool-link,
.ui-language-link {
    border: 1px solid transparent;
    color: var(--ui-text-secondary);
    text-decoration: none;
    transition: color 120ms ease, border-color 120ms ease, background-color 120ms ease;
}

.ui-data-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 4px 9px;
    border-color: var(--ui-border);
    border-radius: 7px;
    background: var(--ui-surface);
}

.ui-data-status-icon {
    flex: 0 0 auto;
    color: var(--ui-text-muted);
}

.ui-data-status-copy {
    display: flex;
    flex-direction: column;
}

.ui-data-status-copy small,
.ui-data-status-copy strong {
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 14px;
    white-space: nowrap;
}

.ui-data-status-copy small {
    color: var(--ui-text-muted);
    font-size: 10px;
    font-weight: 400;
}

.ui-data-status-copy strong {
    color: var(--ui-text-secondary);
    font-size: 11px;
    font-weight: 500;
}

.ui-tool-link,
.ui-language-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    border-radius: 7px;
    font: 500 12px/18px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ui-tool-link {
    gap: 7px;
    padding: 0 9px;
}

.ui-language-link {
    min-width: 38px;
    padding: 0 7px;
    border-color: var(--ui-border);
    background: var(--ui-surface);
}

.ui-data-status:hover,
.ui-tool-link:hover,
.ui-language-link:hover,
.ui-tool-link.is-active {
    border-color: var(--ui-border-strong);
    background: var(--ui-surface-hover);
    color: var(--ui-text);
}

.ui-main.v22-main-content {
    flex: 1 0 auto;
    min-width: 0;
    width: 100%;
    padding: 0;
    background: var(--ui-canvas);
}

.ui-main:focus {
    outline: none;
}

.ui-footer.v22-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(100%, var(--ui-content-max));
    min-height: 48px;
    margin: auto auto 0;
    padding: 12px 24px;
    border-top: 1px solid var(--ui-border);
    background: var(--ui-canvas);
    color: var(--ui-text-muted);
    font: 400 11px/18px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ui-mobile-nav {
    display: none;
}

.ui-brand:focus-visible,
.ui-nav-link:focus-visible,
.ui-data-status:focus-visible,
.ui-tool-link:focus-visible,
.ui-language-link:focus-visible,
.ui-mobile-nav-link:focus-visible {
    z-index: 1;
    outline: none;
    box-shadow: var(--ui-focus);
}

@media (max-width: 1180px) {
    .ui-header-inner {
        grid-template-columns: 44px auto minmax(150px, 1fr) auto;
        gap: 10px;
        padding-inline: 16px;
    }

    .ui-brand-copy {
        display: none;
    }

    .ui-nav-link {
        min-width: 52px;
        padding-inline: 10px;
    }

    .ui-data-status-copy small {
        display: none;
    }
}

@media (max-width: 900px) {
    .ui-global-search {
        width: min(100%, 190px);
    }

    .ui-tool-link span,
    .ui-data-status-copy {
        display: none;
    }

    .ui-data-status,
    .ui-tool-link {
        display: grid;
        width: 38px;
        padding: 0;
        place-items: center;
    }

}

@media (max-width: 767px) {
    :root {
        --ui-header-height: 52px;
    }

    .ui-shell-body {
        padding-bottom: calc(64px + env(safe-area-inset-bottom));
    }

    .ui-header-inner {
        display: grid;
        grid-template-columns: 36px minmax(0, 1fr) auto;
        gap: 8px;
        padding: 0 12px;
    }

    .ui-brand-mark {
        width: 32px;
        height: 32px;
        flex-basis: 32px;
        border-radius: 8px;
        font-size: 10px;
    }

    .ui-primary-nav {
        display: none;
    }

    .ui-global-search {
        justify-self: stretch;
        width: 100%;
        height: 36px;
    }

    .ui-header-tools {
        gap: 2px;
    }

    .ui-data-status,
    .ui-tool-link {
        width: 34px;
        min-height: 36px;
        border-color: transparent;
        background: transparent;
    }

    .ui-language-link {
        min-width: 34px;
        min-height: 36px;
        padding-inline: 4px;
        border-color: transparent;
        background: transparent;
        font-size: 11px;
    }

    .ui-footer.v22-footer {
        display: none;
    }

    .ui-mobile-nav {
        position: fixed;
        z-index: 30;
        right: 0;
        bottom: 0;
        left: 0;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        min-height: calc(64px + env(safe-area-inset-bottom));
        padding: 5px 8px env(safe-area-inset-bottom);
        border-top: 1px solid var(--ui-border);
        background: rgba(17, 20, 22, 0.98);
    }

    .ui-mobile-nav-link {
        position: relative;
        display: flex;
        min-width: 0;
        min-height: 54px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        border-radius: 7px;
        color: var(--ui-text-muted);
        font: 500 10px/14px Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
        text-decoration: none;
    }

    .ui-mobile-nav-link svg {
        width: 20px;
        height: 20px;
        fill: none;
        stroke: currentColor;
        stroke-linecap: round;
        stroke-linejoin: round;
        stroke-width: 1.7;
    }

    .ui-mobile-nav-link:hover,
    .ui-mobile-nav-link.is-active {
        background: rgba(112, 185, 232, 0.08);
        color: var(--ui-accent);
    }
}

@media (max-width: 430px) {
    .ui-header-inner {
        grid-template-columns: 32px minmax(0, 1fr) auto;
        gap: 6px;
        padding-inline: 9px;
    }

    .ui-brand-mark {
        width: 30px;
        height: 30px;
        flex-basis: 30px;
    }

    .ui-global-search {
        padding-inline: 9px;
    }

    .ui-global-search input[type="search"] {
        font-size: 12px;
    }

    .ui-data-status,
    .ui-tool-link,
    .ui-language-link {
        width: 31px;
        min-width: 31px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ui-skip-link,
    .ui-nav-link,
    .ui-global-search,
    .ui-data-status,
    .ui-tool-link,
    .ui-language-link {
        transition-duration: 0.01ms !important;
    }
}

@media (forced-colors: active) {
    .ui-header,
    .ui-mobile-nav,
    .ui-data-status,
    .ui-global-search,
    .ui-language-link {
        border-color: CanvasText;
    }

    .ui-nav-link.is-active::after {
        background: Highlight;
    }
}