.button,
.icon-button,
.menu-button,
.tool-badge {
    min-height: 2.35rem;
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-ink);
}

.button,
.icon-button,
.menu-button {
    display: inline-flex;
    padding: 0.46rem 0.7rem;
    align-items: center;
    justify-content: center;
    gap: 0.38rem;
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 650;
    line-height: 1;
    white-space: nowrap;
}

.button:hover,
.icon-button:hover,
.menu-button:hover,
.menu-button[aria-pressed="true"] {
    border-color: var(--color-brand);
    background: var(--color-brand-soft);
}

.button:disabled,
.icon-button:disabled,
.menu-button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.button--primary {
    border-color: var(--color-brand-strong);
    background: var(--color-brand-strong);
    color: var(--color-on-brand);
}

.button--primary:hover,
.button--primary:focus-visible {
    border-color: var(--color-brand);
    background: var(--color-brand);
    color: var(--color-on-brand);
}

.button--danger {
    color: var(--color-danger);
}

.icon-button {
    width: 2.35rem;
    padding-inline: 0;
    font-size: 1rem;
}

.tool-badge {
    display: inline-flex;
    padding: 0 0.66rem;
    align-items: center;
    border-color: color-mix(in srgb, var(--color-brand) 45%, var(--color-line));
    background: var(--color-brand-soft);
    color: var(--color-brand-strong);
    font-size: 0.72rem;
    font-weight: 700;
    white-space: nowrap;
}

.field {
    min-height: 2.35rem;
    padding: 0.46rem 0.65rem;
    border: 1px solid var(--color-line-strong);
    border-radius: var(--radius-small);
    background: var(--color-surface);
}

.field::placeholder { color: var(--color-ink-soft); opacity: 1; }

.line-icon {
    display: block;
    width: 1.1rem;
    height: 1.1rem;
    flex: 0 0 auto;
}

.line-icon--idea {
    fill: var(--color-idea);
    stroke: var(--color-idea-edge);
    stroke-width: 1;
}

.tool-illustration {
    display: block;
    width: 100%;
    height: auto;
    overflow: visible;
}

.tool-illustration__detail {
    stroke: var(--color-idea-ink);
}

.menu-button .line-icon { width: 0.85rem; height: 0.85rem; }

.field:hover,
.field:focus {
    border-color: var(--color-brand);
}

.topbar-menu {
    position: relative;
}

.topbar-menu > summary {
    list-style: none;
}

.topbar-menu > summary::-webkit-details-marker {
    display: none;
}

.topbar-menu[open] > summary {
    border-color: var(--color-brand);
    background: var(--color-brand-soft);
}

.topbar-menu--add > summary,
.workspace-quick-add__submit,
.idea-workshop__quick-add-submit {
    border-color: var(--color-idea-edge);
    background: var(--color-idea);
    color: var(--color-on-idea);
}

.topbar-menu--add > summary:hover,
.topbar-menu--add[open] > summary,
.workspace-quick-add__submit:hover,
.workspace-quick-add__submit:focus-visible,
.idea-workshop__quick-add-submit:hover,
.idea-workshop__quick-add-submit:focus-visible {
    border-color: var(--color-idea-edge);
    background: var(--color-idea-hover);
    color: var(--color-on-idea);
}

.topbar-menu__panel {
    position: fixed;
    z-index: 60;
    top: calc(var(--topbar-height) - 0.35rem);
    display: grid;
    min-width: min(13rem, calc(100vw - 1rem));
    max-width: calc(100vw - 1rem);
    max-height: calc(100dvh - var(--topbar-height) - 1rem);
    overflow: auto;
    padding: 0.42rem;
    gap: 0.22rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    box-shadow: var(--shadow-float);
}

.topbar-menu__panel .button {
    justify-content: flex-start;
    border-color: transparent;
    background: transparent;
    min-width: 0;
    white-space: normal;
    overflow-wrap: anywhere;
    text-align: left;
    line-height: 1.5;
}

.topbar-menu__panel .button:hover {
    background: var(--color-brand-soft);
}

.topbar-menu__separator {
    height: 1px;
    margin: 0.25rem 0;
    background: var(--color-line);
}

.dialog {
    width: min(42rem, calc(100vw - 2rem));
    max-height: min(80dvh, 46rem);
    padding: 0;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-ink);
    box-shadow: var(--shadow-float);
}

.dialog::backdrop {
    background: rgb(6 27 36 / 64%);
}

.dialog__form {
    display: grid;
    max-height: inherit;
    grid-template-rows: auto minmax(0, 1fr) auto;
}

.dialog__header,
.dialog__footer {
    display: flex;
    padding: 1rem 1.15rem;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
}

.dialog__header {
    border-bottom: 1px solid var(--color-line);
}

.dialog__footer {
    justify-content: flex-end;
    border-top: 1px solid var(--color-line);
}

.dialog__footer > .dialog__cancel {
    order: 10;
    margin-inline-start: auto;
}

.dialog__title {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.5;
}

.dialog__body {
    overflow: auto;
    padding: 1.15rem;
}

.dialog-fields {
    display: grid;
    gap: 1rem;
}

.dialog-field {
    display: grid;
    gap: 0.4rem;
}

.dialog-field[hidden] {
    display: none;
}

.dialog-field__label {
    font-size: 0.82rem;
    font-weight: 700;
}

.dialog-field textarea {
    min-height: 8rem;
    resize: vertical;
}

.tool-picker {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
    gap: 0.7rem;
}

.document-setup__body {
    display: grid;
    gap: 0.85rem;
}

.document-setup__body p { margin: 0; }
.document-setup__filename { overflow-wrap: anywhere; }
.document-setup__footer { flex-wrap: wrap; }
.document-setup__footer > .dialog__cancel { order: 0; margin-inline-start: 0; }
.tool-card[hidden] { display: none; }

.document-setup__notice {
    display: grid;
    justify-items: start;
    gap: 0.65rem;
    padding: 0.85rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface-soft);
    overflow-wrap: anywhere;
}

.dialog-field-error {
    margin: 0;
    padding: 0.65rem;
    border: 1px solid var(--color-warning-line);
    background: var(--color-warning-bg);
    color: var(--color-warning-ink);
}

@media (max-width: 480px) {
    .document-setup__footer > .button--primary { flex: 1 1 100%; }
}

.tool-card {
    display: grid;
    min-height: 8.2rem;
    padding: 1rem;
    align-content: start;
    gap: 0.45rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-ink);
    text-align: left;
    cursor: pointer;
}

.tool-card > .tool-illustration { width: 3.5rem; height: 2.65rem; margin-bottom: 0.3rem; color: var(--color-brand); }

.tool-card:hover,
.tool-card:focus-visible {
    border-color: var(--color-brand);
    background: var(--color-brand-soft);
}

.tool-card__name {
    font-weight: 800;
}

.tool-card__note {
    color: var(--color-ink-soft);
    font-size: 0.78rem;
    line-height: 1.6;
}

.home-tool-card {
    display: grid;
    min-width: 0;
    min-height: 9rem;
    padding: 1.15rem 1rem;
    align-items: center;
    grid-template-columns: 3.8rem minmax(0, 1fr) 1rem;
    gap: 0.85rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    color: var(--color-ink);
    text-align: left;
    cursor: pointer;
    transition: border-color 140ms ease, background-color 140ms ease;
}

.home-tool-card:hover,
.home-tool-card:focus-visible {
    border-color: var(--color-brand);
    background: color-mix(in srgb, var(--color-brand-soft) 35%, var(--color-surface));
}

.home-tool-card__glyph {
    display: grid;
    width: 3.8rem;
    place-items: center;
    gap: 0.6rem;
    color: var(--tool-ink, var(--color-brand));
}

.home-tool-card__index {
    color: var(--color-ink-soft);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    letter-spacing: 0.12em;
}

.home-tool-card__body {
    display: grid;
    min-width: 0;
    gap: 0.38rem;
}

.home-tool-card__name {
    overflow-wrap: anywhere;
    font-size: 0.93rem;
    font-weight: 700;
    line-height: 1.6;
}

.home-tool-card__description {
    color: var(--color-ink-soft);
    font-size: 0.76rem;
    line-height: 1.75;
}

.home-tool-card__meta {
    color: var(--color-brand);
    font-size: 0.68rem;
}

.home-tool-card__arrow {
    color: var(--color-idea-ink);
    transition: transform 140ms ease;
}

.home-tool-card:hover .home-tool-card__arrow,
.home-tool-card:focus-visible .home-tool-card__arrow {
    transform: translateX(0.2rem);
}

.color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.color-choice {
    width: 2rem;
    height: 2rem;
    border: 2px solid transparent;
    border-radius: var(--radius-small);
    background: var(--choice-color);
    cursor: pointer;
}

.color-choice[aria-pressed="true"] {
    border-color: var(--color-ink);
    box-shadow: 0 0 0 2px var(--color-surface), 0 0 0 4px var(--color-brand);
}

.toast-region {
    position: fixed;
    z-index: 90;
    right: 1rem;
    bottom: 1rem;
    display: grid;
    width: min(23rem, calc(100vw - 2rem));
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    padding: 0.75rem 0.9rem;
    border: 1px solid var(--color-line);
    border-left: 4px solid var(--color-brand);
    border-radius: var(--radius-small);
    background: var(--color-surface);
    box-shadow: var(--shadow-small);
    font-size: 0.82rem;
    line-height: 1.55;
}

.toast--error {
    border-left-color: var(--color-danger);
}

.outline-list {
    display: grid;
    margin: 0;
    padding: 0;
    gap: 0.4rem;
    list-style: none;
}

.outline-list__button {
    display: grid;
    width: 100%;
    padding: 0.65rem 0.75rem;
    grid-template-columns: minmax(6.5rem, auto) minmax(0, 1fr);
    gap: 0.75rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-small);
    background: var(--color-surface-soft);
    text-align: left;
    cursor: pointer;
}

.outline-list__button:hover {
    border-color: var(--color-brand);
}

.search-dialog__count {
    margin: 0.9rem 0 0.6rem;
    color: var(--color-ink-soft);
    font-size: 0.76rem;
}

.search-dialog__result {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.28rem;
    text-align: left;
}

.search-dialog__result-title {
    overflow-wrap: anywhere;
    font-weight: 750;
}

.search-dialog__result-meta {
    overflow-wrap: anywhere;
    color: var(--color-ink-soft);
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.68rem;
}

.search-dialog__empty {
    padding: 1.1rem 0.5rem;
    color: var(--color-ink-soft);
    font-size: 0.8rem;
    text-align: center;
}

.outline-list__id {
    overflow: hidden;
    color: var(--color-ink-soft);
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.7rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.help-list {
    display: grid;
    padding-left: 1.2rem;
    gap: 0.55rem;
    line-height: 1.65;
}

.help-document-links {
    display: flex;
    flex-wrap: wrap;
    margin-top: 1.15rem;
    gap: 0.4rem 1rem;
    font-size: 0.84rem;
}

.help-document-links a {
    display: inline-flex;
    min-height: 2.5rem;
    align-items: center;
    color: var(--color-brand);
    text-underline-offset: 0.2em;
}

kbd {
    padding: 0.1rem 0.35rem;
    border: 1px solid var(--color-line-strong);
    border-bottom-width: 2px;
    border-radius: var(--radius-small);
    background: var(--color-surface-soft);
    font-family: ui-monospace, Consolas, monospace;
    font-size: 0.74rem;
}

@media (pointer: coarse) {
    .button,
    .icon-button,
    .menu-button {
        min-height: 2.75rem;
    }

    .icon-button {
        min-width: 2.75rem;
    }
}