:root {
    --bp-ink: #1F1B16;
    --bp-ink-soft: #4A433A;
    --bp-cream: #F4EDDF;
    --bp-cream-deep: #E8DEC9;
    --bp-cream-pale: #FBF7EE;
    --bp-red: #B83D2D;
    --bp-red-deep: #8E2C1E;
    --bp-ochre: #C9A348;
    --bp-line: rgba(31, 27, 22, 0.16);
    --bp-light-line: rgba(244, 237, 223, 0.16);
    --bp-shadow: 0 24px 70px rgba(31, 27, 22, 0.24);
}

* {
    box-sizing: border-box;
}

body.balsamini-tool-page {
    margin: 0;
    min-height: 100vh;
    color: var(--bp-ink);
    background:
        linear-gradient(135deg, rgba(184, 61, 45, 0.08), transparent 34%),
        var(--bp-cream);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.45;
}

.bp-app {
    width: min(1440px, calc(100vw - 32px));
    margin: 0 auto;
    padding: 28px 0 36px;
}

.bp-intro {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 28px;
    padding: 28px 0 30px;
}

.bp-intro h1,
.bp-preview-head h2 {
    margin: 0;
    font-family: "DM Serif Display", Georgia, serif;
    font-weight: 400;
    letter-spacing: -0.02em;
}

.bp-intro h1 {
    font-size: clamp(44px, 7vw, 92px);
    line-height: 0.95;
}

.bp-intro p {
    max-width: 620px;
    margin: 14px 0 0;
    color: var(--bp-ink-soft);
    font-size: 17px;
}

.bp-kicker {
    margin: 0;
    color: var(--bp-red);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.bp-brand-mark {
    flex: 0 0 auto;
    color: var(--bp-ink);
    font-family: "DM Serif Display", Georgia, serif;
    font-size: clamp(32px, 4vw, 58px);
    line-height: 1;
}

.bp-brand-mark span {
    color: var(--bp-red);
    font-style: italic;
}

.bp-workspace {
    display: grid;
    grid-template-columns: minmax(320px, 430px) minmax(0, 1fr);
    gap: 22px;
    align-items: start;
}

.bp-panel {
    border: 1px solid var(--bp-line);
    background: rgba(251, 247, 238, 0.82);
    box-shadow: var(--bp-shadow);
}

.bp-controls {
    display: grid;
    gap: 18px;
    padding: 22px;
    position: sticky;
    top: 18px;
}

.bp-field {
    display: grid;
    gap: 8px;
    margin: 0;
    padding: 0;
    border: 0;
}

.bp-grid-two {
    display: grid;
    grid-template-columns: 1fr 0.62fr;
    gap: 12px;
}

.bp-field label,
.bp-field legend {
    color: var(--bp-ink);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.bp-field small {
    color: var(--bp-ink-soft);
    font-size: 12px;
}

.bp-field input[type="text"],
.bp-field input[type="file"],
.bp-field textarea {
    width: 100%;
    border: 1px solid var(--bp-line);
    border-radius: 0;
    background: var(--bp-cream-pale);
    color: var(--bp-ink);
    font: inherit;
    font-size: 15px;
}

.bp-field input[type="text"],
.bp-field textarea {
    padding: 12px 13px;
}

.bp-field input[type="file"] {
    padding: 10px;
}

.bp-field textarea {
    resize: vertical;
}

.bp-segmented {
    grid-template-columns: 1fr 1fr;
}

.bp-segmented legend,
.bp-template-list legend {
    grid-column: 1 / -1;
}

.bp-segmented label {
    display: block;
}

.bp-segmented input,
.bp-template-list input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.bp-segmented span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 1px solid var(--bp-line);
    background: var(--bp-cream-pale);
    color: var(--bp-ink-soft);
    cursor: pointer;
}

.bp-segmented input:checked + span {
    border-color: var(--bp-red);
    background: var(--bp-red);
    color: var(--bp-cream);
}

.bp-template-list {
    gap: 10px;
}

.bp-template-list label > span {
    display: grid;
    gap: 3px;
    padding: 13px;
    border: 1px solid var(--bp-line);
    background: var(--bp-cream-pale);
    cursor: pointer;
}

.bp-template-list strong {
    color: var(--bp-ink);
    font-size: 14px;
    letter-spacing: 0;
    text-transform: none;
}

.bp-template-list small {
    color: var(--bp-ink-soft);
}

.bp-template-list input:checked + span {
    border-color: var(--bp-red);
    box-shadow: inset 4px 0 0 var(--bp-red);
}

.bp-preview-panel {
    min-width: 0;
    overflow: hidden;
    background: var(--bp-ink);
    color: var(--bp-cream);
}

.bp-preview-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--bp-light-line);
}

.bp-preview-head h2 {
    color: var(--bp-cream);
    font-size: 28px;
}

.bp-download {
    min-height: 46px;
    border: 1px solid var(--bp-red);
    background: var(--bp-red);
    color: var(--bp-cream);
    padding: 0 18px;
    font: inherit;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    cursor: pointer;
}

.bp-download:hover,
.bp-download:focus-visible {
    background: var(--bp-red-deep);
    border-color: var(--bp-red-deep);
}

.bp-canvas-wrap {
    display: grid;
    place-items: center;
    min-height: 620px;
    padding: 24px;
    background:
        linear-gradient(45deg, rgba(244, 237, 223, 0.055) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(244, 237, 223, 0.055) 25%, transparent 25%),
        var(--bp-ink);
    background-size: 24px 24px;
}

#bp-canvas {
    display: block;
    width: auto;
    max-width: min(100%, 680px);
    max-height: min(72vh, 860px);
    background: var(--bp-cream);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.36);
}

@media (max-width: 1020px) {
    .bp-workspace {
        grid-template-columns: 1fr;
    }

    .bp-controls {
        position: static;
    }

    .bp-canvas-wrap {
        min-height: 520px;
    }
}

@media (max-width: 680px) {
    .bp-app {
        width: min(100% - 20px, 560px);
        padding-top: 14px;
    }

    .bp-intro,
    .bp-preview-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .bp-brand-mark {
        display: none;
    }

    .bp-grid-two,
    .bp-segmented {
        grid-template-columns: 1fr;
    }

    .bp-controls,
    .bp-preview-head {
        padding: 16px;
    }

    .bp-canvas-wrap {
        min-height: 380px;
        padding: 14px;
    }

    #bp-canvas {
        max-height: 70vh;
    }

    .bp-download {
        width: 100%;
    }
}