:root {
    color-scheme: light;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    color: #1f2b25;
    background: #f4f7f5;
    --surface: #fff;
    --surface-muted: #f3f6f4;
    --muted-text: #68707a;
    --accent: #218c63;
}

body {
    margin: 0;
}

.new-sheets-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    box-sizing: border-box;
    max-width: 120rem;
    margin: 0 auto;
    padding: clamp(1rem, 3vw, 2.5rem);
}

.flat-action {
    border: 1px solid color-mix(in srgb, currentColor 16%, transparent);
    border-radius: 0.45rem;
    padding: 0.5rem 0.75rem;
    background: var(--surface, #fff);
    color: inherit;
    cursor: pointer;
    font: inherit;
}

.flat-action:hover {
    border-color: var(--accent, #218c63);
}

.new-sheets-page {
    gap: 0;
    max-width: none;
    min-height: 0;
    padding: 0;
}

.new-sheets-page > .new-sheets-header {
    display: none;
}

.new-sheets-header,
.new-sheets-toolbar,
.new-sheets-formula-bar,
.new-sheets-footer {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.new-sheets-header {
    justify-content: space-between;
    flex-wrap: wrap;
}

.new-sheets-header h1 {
    margin: 0.2rem 0 0;
}

.new-sheets-header p {
    margin: 0.35rem 0 0;
    color: var(--muted-text, #68707a);
}

.new-sheets-kicker {
    color: var(--accent, #218c63);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.new-sheets-actions,
.new-sheets-title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
}

.new-sheets-file-action {
    cursor: pointer;
}

.new-sheets-file-action input {
    display: none;
}

.new-sheets-surface {
    display: flex;
    flex-direction: column;
    min-height: min(52rem, calc(100vh - 5rem));
    min-width: 0;
    overflow: hidden;
    border: 1px solid #c9d0d3;
    border-radius: 0.2rem;
    background: var(--surface, #fff);
    box-shadow: 0 0.4rem 1.5rem color-mix(in srgb, #15231d 8%, transparent);
}

.new-sheets-menubar {
    display: flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0.25rem 0.7rem;
    border-bottom: 1px solid color-mix(in srgb, currentColor 12%, transparent);
    background: var(--surface-muted, #f3f6f4);
}

.new-sheets-menubar details {
    position: relative;
}

.new-sheets-menubar summary {
    padding: 0.4rem 0.65rem;
    border-radius: 0.35rem;
    color: inherit;
    cursor: pointer;
    font-size: 0.78rem;
    list-style: none;
}

.new-sheets-menubar summary::-webkit-details-marker {
    display: none;
}

.new-sheets-menubar summary:hover,
.new-sheets-menubar details[open] summary {
    background: color-mix(in srgb, currentColor 10%, transparent);
}

.new-sheets-menu {
    position: absolute;
    top: calc(100% + 0.2rem);
    left: 0;
    z-index: 8;
    display: grid;
    min-width: 12rem;
    padding: 0.3rem;
    border: 1px solid color-mix(in srgb, currentColor 14%, transparent);
    border-radius: 0.45rem;
    background: var(--surface, #fff);
    box-shadow: 0 0.8rem 2rem color-mix(in srgb, #15231d 16%, transparent);
}

.new-sheets-menu button {
    padding: 0.48rem 0.6rem;
    border: 0;
    border-radius: 0.3rem;
    background: transparent;
    color: inherit;
    font: inherit;
    font-size: 0.78rem;
    text-align: left;
    white-space: nowrap;
}

.new-sheets-menu button:hover {
    background: color-mix(in srgb, var(--accent, #218c63) 12%, transparent);
}

.new-sheets-toolstrip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.15rem;
    min-height: 2.25rem;
    padding: 0.25rem 0.55rem;
    border-bottom: 1px solid #d4dadd;
    background: #f5f7f8;
}

.new-sheets-toolstrip button,
.new-sheets-toolstrip select {
    min-width: 1.85rem;
    min-height: 1.8rem;
    padding: 0.2rem 0.45rem;
    border: 1px solid transparent;
    border-radius: 0.2rem;
    background: transparent;
    color: #334047;
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
}

.new-sheets-toolstrip button:hover,
.new-sheets-toolstrip select:hover,
.new-sheets-toolstrip button:focus-visible,
.new-sheets-toolstrip select:focus-visible {
    border-color: #b6c1c5;
    background: #e6ecee;
    outline: 0;
}

.new-sheets-toolstrip select {
    min-width: 3.5rem;
    border-color: #c5cdd0;
    background: #fff;
}

.new-sheets-tool-separator {
    width: 1px;
    align-self: stretch;
    margin: 0.2rem 0.25rem;
    background: #d1d8da;
}

.new-sheets-toolbar {
    flex-wrap: wrap;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid color-mix(in srgb, currentColor 12%, transparent);
}

.new-sheets-toolbar {
    order: 3;
}

.new-sheets-menubar {
    order: 1;
}

.new-sheets-toolstrip {
    order: 2;
}

.new-sheets-toolbar {
    min-height: 2.25rem;
    padding-block: 0.25rem;
    background: #fff;
}

.new-sheets-title {
    flex: 1 1 14rem;
}

.new-sheets-title span {
    color: var(--muted-text, #68707a);
    font-size: 0.8rem;
}

.new-sheets-title input,
.new-sheets-formula-bar input {
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: inherit;
}

.new-sheets-title input {
    width: min(26rem, 100%);
    font-weight: 700;
}

.new-sheets-save-state {
    color: var(--muted-text, #68707a);
    font-size: 0.78rem;
}

.new-sheets-formula-bar {
    order: 4;
    padding: 0.55rem 1rem;
    border-bottom: 1px solid color-mix(in srgb, currentColor 12%, transparent);
    background: #fff;
}

.new-sheets-name-box {
    flex: 0 0 4rem;
    min-height: 1.6rem;
    box-sizing: border-box;
    padding: 0.35rem 0.5rem;
    border: 1px solid #c5cdd0;
    border-radius: 0.2rem;
    background: #fff;
    color: var(--muted-text, #68707a);
    font-size: 0.8rem;
    text-align: center;
}

.new-sheets-formula-symbol {
    padding-inline: 0.25rem;
    color: var(--accent, #218c63);
    font-family: Georgia, serif;
    font-style: italic;
    font-weight: 800;
}

.new-sheets-formula-bar input {
    flex: 1;
    min-height: 1.7rem;
    padding-inline: 0.5rem;
    border: 1px solid #c5cdd0;
    border-radius: 0.2rem;
}

.new-sheets-grid-wrap {
    order: 5;
    flex: 1 1 auto;
    min-height: 18rem;
    overflow: auto;
}

.new-sheets-grid {
    width: max(100%, 62rem);
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
}

.new-sheets-grid th,
.new-sheets-grid td {
    min-width: 7.5rem;
    height: 1.85rem;
    padding: 0.25rem 0.55rem;
    border-right: 1px solid color-mix(in srgb, currentColor 10%, transparent);
    border-bottom: 1px solid color-mix(in srgb, currentColor 10%, transparent);
    font-size: 0.83rem;
    text-align: left;
    vertical-align: middle;
}

.new-sheets-page.is-plain-grid .new-sheets-grid th,
.new-sheets-page.is-plain-grid .new-sheets-grid td {
    border-color: transparent;
}

.new-sheets-grid th {
    position: sticky;
    top: 0;
    z-index: 2;
    min-width: 3rem;
    background: #edf1f2;
    color: var(--muted-text, #68707a);
    font-size: 0.72rem;
    font-weight: 700;
    text-align: center;
}

.new-sheets-grid th:first-child {
    left: 0;
    z-index: 3;
}

.new-sheets-grid td:first-of-type,
.new-sheets-grid th:first-child {
    min-width: 3rem;
    width: 3rem;
}

.new-sheets-grid td {
    background: var(--surface, #fff);
    outline: 0;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
}

.new-sheets-grid td.is-bold {
    font-weight: 700;
}

.new-sheets-grid td.is-italic {
    font-style: italic;
}

.new-sheets-grid td.is-underline {
    text-decoration: underline;
}

.new-sheets-grid td.align-left {
    text-align: left;
}

.new-sheets-grid td.align-center {
    text-align: center;
}

.new-sheets-grid td.align-right {
    text-align: right;
}

.new-sheets-grid td.font-size-10 {
    font-size: 0.72rem;
}

.new-sheets-grid td.font-size-11 {
    font-size: 0.83rem;
}

.new-sheets-grid td.font-size-12 {
    font-size: 0.92rem;
}

.new-sheets-grid td.font-size-14 {
    font-size: 1.05rem;
}

.new-sheets-grid td.font-size-16 {
    font-size: 1.2rem;
}

.new-sheets-grid td[contenteditable="true"]:focus,
.new-sheets-grid td.is-selected {
    box-shadow: inset 0 0 0 2px var(--accent, #218c63);
}

.new-sheets-grid td.is-range {
    background: color-mix(in srgb, var(--accent, #218c63) 9%, var(--surface, #fff));
}

.new-sheets-grid .row-number {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--surface-muted, #f3f6f4);
    color: var(--muted-text, #68707a);
    text-align: center;
    user-select: none;
}

.new-sheets-footer {
    order: 6;
    min-height: 2.8rem;
    padding: 0 1rem;
    border-top: 1px solid #cbd3d6;
    background: #f5f7f8;
    color: var(--muted-text, #68707a);
    font-size: 0.76rem;
}

.new-sheets-tab {
    align-self: stretch;
    border: 0;
    border-bottom: 2px solid var(--accent, #218c63);
    background: transparent;
    color: inherit;
    font-weight: 700;
}

@media (max-width: 48rem) {
    .new-sheets-header,
    .new-sheets-actions,
    .new-sheets-toolbar {
        align-items: stretch;
    }

    .new-sheets-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .new-sheets-actions > *,
    .new-sheets-toolbar > .flat-action {
        flex: 1 1 auto;
        text-align: center;
    }

    .new-sheets-save-state {
        flex-basis: 100%;
    }

    .new-sheets-footer span {
        display: none;
    }
}

/* Calc-style shell: flat chrome, dense controls, blue selection, no card treatment. */
:root {
    color: #202124;
    background: #dfe3e5;
    --surface: #fff;
    --surface-muted: #e8ebed;
    --muted-text: #5f6368;
    --accent: #1b5eaa;
    font-family: Arial, "Liberation Sans", sans-serif;
}

.new-sheets-page {
    max-width: none;
    padding: 0;
    background: #dfe3e5;
    font-family: Arial, "Liberation Sans", sans-serif;
}

.new-sheets-surface {
    min-height: min(52rem, calc(100vh - 5rem));
    border: 1px solid #879196;
    border-radius: 0;
    box-shadow: none;
}

.new-sheets-menubar {
    gap: 0;
    padding: 0 0.25rem;
    border-bottom-color: #b8c0c4;
    background: #e8ebed;
}

.new-sheets-menubar summary {
    border-radius: 0;
    color: #202124;
    font-size: 0.8rem;
}

.new-sheets-menubar summary:hover,
.new-sheets-menubar details[open] summary {
    background: #d3d9dd;
}

.new-sheets-menu {
    min-width: 13rem;
    border: 1px solid #8d989d;
    border-radius: 0;
    box-shadow: 0 0.3rem 0.8rem rgb(0 0 0 / 18%);
}

.new-sheets-menu button:hover {
    background: #dce9f7;
}

.new-sheets-toolstrip {
    gap: 0;
    min-height: 2rem;
    padding: 0.15rem 0.35rem;
    border-bottom-color: #b8c0c4;
    background: #e8ebed;
}

.new-sheets-toolstrip button,
.new-sheets-toolstrip select {
    min-width: 1.8rem;
    min-height: 1.75rem;
    border-radius: 0;
    color: #202124;
}

.new-sheets-toolstrip button:hover,
.new-sheets-toolstrip select:hover,
.new-sheets-toolstrip button:focus-visible,
.new-sheets-toolstrip select:focus-visible {
    border-color: #8ea4b5;
    background: #d7e5f2;
}

.new-sheets-toolstrip select {
    border-color: #aeb8bc;
}

.new-sheets-toolbar {
    min-height: 2rem;
    padding: 0.2rem 0.45rem;
    border-bottom-color: #b8c0c4;
    background: #f1f3f4;
}

.new-sheets-title span,
.new-sheets-save-state {
    font-size: 0.75rem;
}

.new-sheets-title input {
    font-size: 0.85rem;
}

.new-sheets-formula-bar {
    gap: 0.45rem;
    padding: 0.25rem 0.45rem;
    border-bottom-color: #b8c0c4;
}

.new-sheets-name-box,
.new-sheets-formula-bar input {
    min-height: 1.55rem;
    border-color: #aeb8bc;
    border-radius: 0;
}

.new-sheets-grid-wrap {
    min-height: 24rem;
}

.new-sheets-grid {
    width: max(100%, 82rem);
}

.new-sheets-grid th,
.new-sheets-grid td {
    min-width: 6.5rem;
    height: 1.65rem;
    padding: 0.15rem 0.4rem;
    border-right-color: #d4dadd;
    border-bottom-color: #d4dadd;
    font-size: 0.8rem;
}

.new-sheets-grid th {
    background: #e8ebed;
    color: #30363a;
    font-size: 0.72rem;
}

.new-sheets-grid td.is-selected {
    box-shadow: inset 0 0 0 0.12rem #1b5eaa;
    background: #edf4fc;
}

.new-sheets-grid td.is-range {
    background: #e4effb;
}

.new-sheets-footer {
    min-height: 2rem;
    padding: 0 0.45rem;
    border-top-color: #aeb8bc;
    background: #e8ebed;
}

.new-sheets-tab {
    border-bottom-color: #1b5eaa;
    color: #202124;
}

.new-sheets-runtime-error {
    margin: 0;
    padding: 0.75rem;
    border-bottom: 1px solid #b94a48;
    background: #fbeaea;
    color: #8a1f1f;
    font: 0.8rem monospace;
}

.new-sheets-page {
    height: 100vh;
    min-height: 0;
    overflow: hidden;
}

.new-sheets-page.idw-page {
    height: calc(100vh - 5rem);
}

.new-sheets-surface {
    height: 100%;
    min-height: 0;
}

.new-sheets-grid-wrap {
    min-height: 0;
    overflow: auto;
}

.new-sheets-grid {
    width: max-content;
    min-width: 100%;
    table-layout: auto;
}

.new-sheets-grid th:not(:first-child),
.new-sheets-grid td {
    width: 6.5rem;
    min-width: 6.5rem;
}

.new-sheets-grid td select[data-sheet-dropdown] {
    width: 100%;
    min-width: 0;
    min-height: 1.35rem;
    padding: 0.08rem 0.45rem;
    border: 1px solid #a9c2dc;
    border-radius: 0.35rem;
    background: #eef5ff;
    color: inherit;
    font: inherit;
}

.new-sheets-grid-stage {
    display: flex;
    flex: 1 1 auto;
    order: 5;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.new-sheets-grid-stage .new-sheets-grid-wrap {
    order: 0;
    flex: 1 1 auto;
    min-width: 0;
}

.new-sheets-dropdown-panel {
    display: flex;
    flex: 0 0 clamp(14rem, 20vw, 18rem);
    flex-direction: column;
    gap: 0.7rem;
    min-width: 0;
    padding: 0.75rem;
    border-left: 1px solid #aeb8bc;
    background: #f1f3f4;
    color: #202124;
}

.new-sheets-dropdown-panel[hidden] {
    display: none;
}

.new-sheets-dropdown-panel header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.new-sheets-dropdown-panel header button {
    border: 0;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 1.1rem;
}

.new-sheets-dropdown-panel p {
    margin: 0;
    color: #5f6368;
    font-size: 0.78rem;
}

.new-sheets-dropdown-panel label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.78rem;
}

.new-sheets-dropdown-panel textarea {
    width: 100%;
    box-sizing: border-box;
    resize: vertical;
    border: 1px solid #aeb8bc;
    border-radius: 0.25rem;
    padding: 0.45rem;
    background: #fff;
    color: inherit;
    font: inherit;
}

.new-sheets-dropdown-save {
    align-self: flex-start;
    border: 1px solid #8ea4b5;
    border-radius: 0.25rem;
    padding: 0.4rem 0.65rem;
    background: #dce9f7;
    color: #123f70;
    cursor: pointer;
    font: inherit;
}

.new-sheets-grid th[data-sheet-corner],
.new-sheets-grid th[data-column-header],
.new-sheets-grid th[data-row-header] {
    cursor: pointer;
    user-select: none;
}

.new-sheets-grid th.is-header-selected {
    background: #c7dbef;
    color: #123f70;
}

.new-sheets-context-menu {
    position: fixed;
    z-index: 20;
    min-width: 13rem;
    padding: 0.2rem 0;
    border: 1px solid #8d989d;
    background: #fff;
    box-shadow: 0 0.3rem 0.8rem rgb(0 0 0 / 22%);
}

.new-sheets-context-menu button {
    display: block;
    width: 100%;
    padding: 0.42rem 0.7rem;
    border: 0;
    background: transparent;
    color: #202124;
    cursor: pointer;
    font: inherit;
    text-align: left;
}

.new-sheets-context-menu button:hover,
.new-sheets-context-menu button:focus-visible {
    outline: 0;
    background: #dce9f7;
}