#app,
.app-shell {
    width: 100%;
    height: 100%;
}

.app-shell {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
}

.topbar {
    position: relative;
    z-index: 40;
    display: flex;
    overflow: visible;
    min-width: 0;
    min-height: var(--topbar-height);
    padding: 0.5rem max(0.65rem, env(safe-area-inset-left));
    align-items: center;
    gap: 0.45rem;
    border-bottom: 1px solid var(--color-line);
    background: var(--color-surface);
    scrollbar-width: thin;
}

.topbar__document,
.topbar__actions {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 0.45rem;
}

.topbar__document { flex: 0 1 auto; }

.topbar__actions {
    flex: 1;
    flex-wrap: wrap;
    padding: 0.2rem;
}

.topbar__actions > * { flex-shrink: 0; }
.topbar__actions > [hidden] { display: none; }

.topbar__brand {
    display: flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.55rem;
    color: inherit;
    text-decoration: none;
}

.topbar__mark {
    display: block;
    width: 2.35rem;
    height: 2.35rem;
    border-radius: var(--radius-small);
    background: var(--color-depth);
}

.topbar__brand-text {
    display: grid;
    line-height: 1;
}

.topbar__brand-name {
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 1.08rem;
    font-weight: 700;
    letter-spacing: -0.035em;
}

.topbar__brand-note {
    margin-top: 0.24rem;
    color: var(--color-ink-soft);
    font-size: 0.64rem;
}

.topbar__divider {
    width: 1px;
    height: 2rem;
    flex: 0 0 auto;
    margin: 0 0.1rem;
    background: var(--color-line);
}

.topbar__title {
    width: clamp(10rem, 20vw, 19rem);
    min-width: 8rem;
}

.topbar .topbar__title {
    border-color: transparent;
    border-bottom-color: var(--color-line-strong);
    border-radius: var(--radius-small);
    background: transparent;
    font-weight: 650;
}

.topbar__scale-control {
    display: inline-flex;
    flex: 0 0 auto;
    min-height: 2.35rem;
    padding: 0.2rem 0.35rem 0.2rem 0.65rem;
    align-items: center;
    gap: 0.38rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface-soft);
    color: var(--color-ink-soft);
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.topbar__scale-control[hidden] {
    display: none;
}

.topbar__gantt-scale,
.topbar__dependency-mode {
    min-height: 1.9rem;
    padding-block: 0.25rem;
    font-size: 0.76rem;
    font-weight: 750;
}

.workspace {
    position: relative;
    overflow: hidden;
    min-width: 0;
    min-height: 0;
    background: var(--color-bg);
    touch-action: none;
}

.home-shell {
    display: grid;
    width: 100%;
    height: 100%;
    grid-template-rows: auto minmax(0, 1fr);
    overflow: hidden;
    background: var(--color-bg);
}

.home-header {
    display: flex;
    min-width: 0;
    padding: 0.75rem clamp(1rem, 5vw, 4.5rem);
    align-items: center;
    gap: 0.85rem;
    border-bottom: 1px solid var(--color-line);
    background: var(--color-surface);
}

.home-brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.55rem;
    color: var(--color-brand-strong);
    text-decoration: none;
}

.brand-mark {
    display: block;
    flex: 0 0 auto;
    border-radius: var(--radius-small);
    background: var(--color-depth);
}

.brand-wordmark {
    font-family: "Segoe UI", system-ui, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.045em;
}

.brand-wordmark__mind {
    font-style: normal;
    font-weight: 400;
}

.home-header__tagline,
.home-header__route {
    color: var(--color-ink-soft);
    font-size: 0.74rem;
}

.home-header__route {
    padding-left: 0.8rem;
    border-left: 1px solid var(--color-line);
}

.home-header__import { margin-left: auto; }

.home-main {
    overflow: auto;
    min-width: 0;
    padding: clamp(1.5rem, 3.5vw, 3rem) clamp(1rem, 5vw, 4.5rem) 4rem;
    scroll-behavior: smooth;
    scrollbar-width: thin;
}

.home-hero,
.home-current,
.home-tools,
.home-footer-actions {
    width: min(100%, 72rem);
    margin-inline: auto;
}

.home-hero {
    position: relative;
    display: grid;
    min-height: 20rem;
    padding: clamp(1.5rem, 3.3vw, 3rem);
    align-items: center;
    grid-template-columns: minmax(0, 1.1fr) minmax(14rem, 0.9fr);
    gap: 1.5rem;
    overflow: hidden;
    border: 1px solid #284b5b;
    border-radius: var(--radius-small);
    background: var(--color-depth);
    color: var(--color-ink);
}

.home-hero__copy {
    position: relative;
    z-index: 1;
}

.eyebrow {
    margin: 0 0 0.75rem;
    color: var(--color-brand);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.home-hero__eyebrow {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-idea);
}

.home-hero__title {
    max-width: 16em;
    margin: 0;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: clamp(1.9rem, 3.1vw, 2.8rem);
    font-weight: 650;
    line-height: 1.5;
    letter-spacing: 0.015em;
    word-break: keep-all;
    overflow-wrap: anywhere;
    text-wrap: balance;
}

.home-hero .home-hero__start { min-height: 2.75rem; margin-top: 1.25rem; padding-inline: 1rem; text-decoration: none; }

.home-hero__lead {
    max-width: 33rem;
    margin: 0.85rem 0 0;
    color: var(--color-ink-soft);
    font-size: 0.9rem;
    line-height: 1.9;
}

.home-hero__ornament {
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 0.8rem;
}

.home-hero__ornament img {
    display: block;
    width: 100%;
    max-width: 26rem;
    height: auto;
}

.home-hero__caption {
    color: var(--color-ink-soft);
    font-family: inherit;
    font-size: 0.75rem;
    letter-spacing: 0.06em;
}

.home-current {
    display: flex;
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--color-line);
    border-left: 3px solid var(--color-idea-ink);
    border-radius: var(--radius-small);
    background: var(--color-surface);
}

.home-current__icon {
    display: grid;
    width: 3.6rem;
    flex: 0 0 auto;
    place-items: center;
    color: var(--color-brand);
}

.home-current__copy {
    min-width: 0;
    flex: 1;
}

.home-current__copy .eyebrow {
    margin-bottom: 0.28rem;
}

.home-current__title {
    overflow: hidden;
    margin: 0;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1rem;
}

.home-current__note {
    margin: 0.35rem 0 0;
    color: var(--color-ink-soft);
    font-size: 0.76rem;
}

.home-current__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.home-tools {
    margin-top: clamp(2rem, 5vw, 4rem);
}

.home-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
}

.home-section-heading__title,
.home-tools__title {
    margin: 0;
    font-family: var(--font-display);
}

.home-section-heading__title {
    font-size: 1.12rem;
}

.home-section-heading__line {
    flex: 1;
    height: 1px;
    margin-bottom: 0.32rem;
    background: var(--color-line);
}

.home-tools__title {
    font-size: clamp(1.55rem, 3vw, 2.2rem);
}

.home-tools__count {
    margin: 0;
    color: var(--color-ink-soft);
    font-family: var(--font-mono);
    font-size: 0.72rem;
}

.home-tools__notice {
    max-width: 64rem;
    color: var(--color-ink-soft);
    font-size: 0.82rem;
    line-height: 1.8;
}

.home-tool-navigation { display: grid; grid-template-columns: minmax(14rem, 1fr) auto; align-items: center; gap: 1rem 1.5rem; margin-top: 1.25rem; }
.home-tool-navigation .home-tool-search { width: min(100%, 35rem); min-height: 2.75rem; }
.home-tool-filters { display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; border-bottom: 1px solid var(--color-line); }
.home-tool-filters .home-tool-filter { min-height: 2.75rem; padding-inline: 1rem; border: 0; border-bottom: 3px solid transparent; border-radius: var(--radius-small); background: transparent; color: var(--color-ink-soft); }
.home-tool-filters .home-tool-filter[aria-pressed="true"] { border-bottom-color: var(--color-idea-ink); background: transparent; color: var(--color-idea-ink); }
.home-tool-filter:hover { border-bottom-color: var(--color-line-strong); background: var(--color-surface-soft); }
.home-tools__empty { padding: 1.5rem; border: 1px dashed var(--color-line-strong); border-radius: var(--radius-small); color: var(--color-ink-soft); }
.home-tool-card[hidden], .home-tool-group[hidden], .home-tools__empty[hidden] { display: none; }

.home-tool-group {
    margin-top: 2rem;
    --tool-ink: var(--color-brand);
}

.home-tool-group[data-group="organize"] { --tool-ink: #3f5f7e; }
.home-tool-group[data-group="connect"] { --tool-ink: #3e647b; }
.home-tool-group[data-group="observe"] { --tool-ink: #376a7b; }

.home-tool-grid {
    display: grid;
    margin-top: 0.75rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
}

.home-footer-actions {
    display: flex;
    margin-top: 2.4rem;
    padding-top: 1.2rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid var(--color-line);
}

.home-footer-actions p {
    margin: 0;
    color: var(--color-ink-soft);
    font-size: 0.74rem;
    line-height: 1.6;
}

.home-footer-actions__copy {
    display: grid;
    gap: 0.7rem;
}

.home-footer-actions__documents {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
    font-size: 0.78rem;
}

.home-footer-actions__documents a {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    color: var(--color-brand);
    text-underline-offset: 0.2em;
}

.home-route-notice {
    width: min(100%, 72rem);
    margin: 1rem auto -1rem;
    padding: 0.8rem 1rem;
    border: 1px solid var(--color-danger);
    border-radius: var(--radius-small);
    color: var(--color-danger);
}

.boot-screen,
.fatal-screen {
    display: grid;
    width: 100%;
    height: 100%;
    padding: 2rem;
    place-content: center;
    justify-items: center;
    text-align: center;
}

.boot-screen__mark {
    display: block;
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-small);
    background: var(--color-depth);
}

@media (max-width: 1100px) {
    .home-tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
    .home-tool-navigation { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-color-scheme: dark) {
    .home-tool-group[data-group="organize"] { --tool-ink: #adcae4; }
    .home-tool-group[data-group="connect"] { --tool-ink: #a3c6df; }
    .home-tool-group[data-group="observe"] { --tool-ink: #9ecfdd; }
}

@media (max-width: 1140px) {
    .topbar {
        padding-block: 0.38rem;
        display: grid;
        gap: 0.2rem;
    }

    .topbar__title { flex: 1; }
}

@media (max-width: 720px) {
    .topbar__actions {
        display: grid;
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0.28rem;
    }

    .topbar__actions > .button,
    .topbar__actions .menu-button {
        width: 100%;
        min-height: 2.75rem;
        min-width: 0;
        padding-inline: 0.25rem;
        justify-content: center;
        font-size: 0.75rem;
        gap: 0.25rem;
        white-space: nowrap;
    }

    .topbar__mark {
        width: 2.15rem;
        height: 2.15rem;
    }

    .topbar__brand-text,
    .topbar__divider--brand {
        display: none;
    }

    .topbar__title {
        width: 0;
        min-width: 5rem;
        flex: 1;
    }

    .topbar__document .tool-badge { display: none; }
    .topbar__scale-control { padding: 0.12rem 0.2rem; gap: 0.2rem; }
    .topbar__scale-control > span { display: none; }

    .home-header {
        padding-inline: 1rem;
        gap: 0.55rem;
    }

    .home-header__tagline {
        display: none;
    }

    .home-hero {
        min-height: 0;
        grid-template-columns: 1fr;
    }

    .home-hero__ornament {
        display: none;
    }

    .home-current,
    .home-footer-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .home-current__title {
        white-space: normal;
    }

    .home-current__icon { display: none; }

    .home-current__actions > .button { flex: 1 1 auto; min-height: 2.75rem; }

    .home-footer-actions .button {
        width: 100%;
    }
}

@media (max-width: 560px) {
    .home-tool-grid { grid-template-columns: minmax(0, 1fr); }
    .home-header__route { display: none; }
    .brand-wordmark { font-size: 1.3rem; }
    .home-header .home-header__import { min-height: 2.75rem; padding-inline: 0.6rem; font-size: 0.72rem; }
    .home-brand { gap: 0.3rem; }
    .brand-mark { width: 2.1rem; height: 2.1rem; }
    .home-tool-filters .home-tool-filter { padding-inline: 0.7rem; }
}

@media (max-width: 360px) {
    .topbar__search .line-icon { display: none; }
}