/* SAG Calculator — scoped styles (.sag- prefix) */

.sag-tool {
    --sag-yellow: #ffd400;      /* company brand yellow */
    --sag-yellow-dark: #e6b800; /* hover / accents */
    --sag-black: #111111;       /* company brand black */
    --sag-ink: #1a1a1a;
    --sag-muted: #5f6772;
    --sag-line: #d8dde3;
    --sag-bg: #f7f8fa;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--sag-ink);
}

.sag-grid {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 820px) {
    .sag-grid { grid-template-columns: 1fr; }
}

/* --- Controls panel --------------------------------------------- */
.sag-panel {
    background: var(--sag-bg);
    border: 1px solid var(--sag-line);
    border-radius: 8px;
    padding: 20px;
}

.sag-field { margin-bottom: 16px; }

.sag-field label {
    display: block;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--sag-ink);
}

.sag-field .sag-unit {
    color: var(--sag-muted);
    font-weight: 400;
}

.sag-field input {
    width: 100%;
    box-sizing: border-box;
    padding: 9px 11px;
    font-size: 15px;
    border: 1px solid #c3ccd4;
    border-radius: 6px;
    background: #fff;
}

.sag-field input:focus {
    outline: none;
    border-color: var(--sag-black);
    box-shadow: 0 0 0 3px rgba(255, 212, 0, 0.45);
}

/* --- Result readout --------------------------------------------- */
.sag-readout {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--sag-line);
}

.sag-readout .sag-label {
    display: inline-block;
    font-size: 12px;
    color: var(--sag-black);
    background: var(--sag-yellow);
    padding: 2px 8px;
    border-radius: 3px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sag-readout .sag-value {
    font-size: 30px;
    font-weight: 700;
    color: var(--sag-black);
    line-height: 1.15;
    margin-top: 6px;
}

.sag-readout .sag-value .sag-value-unit {
    font-size: 15px;
    color: var(--sag-muted);
    font-weight: 400;
    margin-left: 4px;
}

.sag-secondary {
    margin-top: 10px;
    font-size: 13px;
    color: var(--sag-muted);
}

.sag-secondary strong { color: var(--sag-ink); }

.sag-note {
    margin-top: 8px;
    font-size: 12px;
    color: var(--sag-muted);
    min-height: 1em;
}

.sag-error {
    display: none;
    margin-top: 12px;
    padding: 9px 11px;
    font-size: 13px;
    color: #3d3000;
    background: #fff6d6;
    border: 1px solid var(--sag-yellow);
    border-left: 4px solid var(--sag-black);
    border-radius: 6px;
}

/* --- 3D view ----------------------------------------------------- */
.sag-viz-wrap {
    border: 1px solid var(--sag-line);
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
}

.sag-viz {
    width: 100%;
    height: 440px;
    display: block;
    background: #000;
}

.sag-viz-caption {
    padding: 8px 14px;
    font-size: 12px;
    color: var(--sag-muted);
    border-top: 1px solid var(--sag-line);
    background: var(--sag-bg);
}

.sag-viz-caption em { color: var(--sag-ink); font-style: normal; font-weight: 600; }

/* --- Formula block ---------------------------------------------- */
.sag-formula {
    margin-top: 22px;
    padding: 16px 18px;
    background: var(--sag-bg);
    border: 1px solid var(--sag-line);
    border-radius: 8px;
    font-size: 15px;
}

.sag-formula .sag-eq {
    font-size: 17px;
    margin-bottom: 8px;
}