/* FMB Bends Distance Calculator — site-themed, mobile-friendly layout */

.ts-tool #fmb-calculator {
    max-width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    font-family: var(--font-body);
}

.ts-tool .fmb-app {
    --fmb-gap: 1rem;
    max-width: 100%;
}

/* Intro */
.ts-tool .fmb-intro {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.65rem;
    margin-bottom: 1rem;
    padding: 0.75rem 0.85rem;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

.ts-tool .fmb-intro p {
    flex: 1 1 14rem;
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.ts-tool .fmb-help-link {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.45rem 0.85rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.ts-tool .fmb-help-link:hover {
    border-color: var(--color-primary);
    background: rgba(10, 124, 110, 0.06);
    color: var(--color-primary-hover);
}

/* Workflow chips */
.ts-tool .fmb-steps {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.ts-tool .fmb-step {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.ts-tool .fmb-step i {
    color: var(--color-primary);
    font-size: 0.72rem;
}

.ts-tool .fmb-step--active {
    color: var(--color-text);
    border-color: var(--color-primary);
    background: rgba(10, 124, 110, 0.08);
}

/* Workspace */
.ts-tool .fmb-workspace {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--fmb-gap);
    align-items: start;
}

.ts-tool .fmb-form-col,
.ts-tool .fmb-output-col {
    min-width: 0;
}

.ts-tool .fmb-section {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: clamp(0.75rem, 2.5vw, 1.15rem);
    margin-bottom: var(--fmb-gap);
}

.ts-tool .fmb-section:last-child {
    margin-bottom: 0;
}

.ts-tool .fmb-section h2 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin: 0 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-divider);
    display: flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--color-text);
    text-align: left;
}

.ts-tool .fmb-section h2 i {
    color: var(--color-primary);
}

.ts-tool .fmb-section .form-group {
    margin-bottom: 0.85rem;
}

.ts-tool .fmb-section .form-group:last-child {
    margin-bottom: 0;
}

.ts-tool .fmb-section label {
    display: block;
    margin: 0 0 0.35rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text);
}

.ts-tool .fmb-section input,
.ts-tool .fmb-section select {
    width: 100%;
    margin: 0;
}

.ts-tool .fmb-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
}

/* Bend table */
.ts-tool .bend-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0.5rem 0 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.ts-tool .bend-table {
    width: 100%;
    min-width: 520px;
    margin: 0;
    border-collapse: collapse;
    table-layout: auto;
}

.ts-tool .bend-table th {
    background: var(--color-surface-2);
    font-size: 0.8rem;
    white-space: nowrap;
    padding: 0.55rem 0.5rem;
    border: 1px solid var(--color-border);
    text-align: center;
}

.ts-tool .bend-table td {
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    text-align: center;
    vertical-align: middle;
    font-size: 0.88rem;
}

.ts-tool .bend-table td:first-child {
    font-weight: 600;
    color: var(--color-primary);
    white-space: nowrap;
}

.ts-tool .bend-table input[type="number"],
.ts-tool .bend-table select {
    width: 100%;
    min-width: 0;
    margin: 0;
    font-size: 0.88rem;
    padding: 0.45rem 0.5rem;
}

.ts-tool .mobile-label {
    display: none;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--color-text-muted);
    margin-bottom: 0.25rem;
}

/* Buttons */
.ts-tool .fmb-btn-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.ts-tool .fmb-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    margin: 0;
    width: auto;
    box-shadow: none;
}

.ts-tool .fmb-btn--primary {
    background: var(--color-primary);
    color: #fff;
}

.ts-tool .fmb-btn--primary:hover {
    background: var(--color-primary-hover);
    transform: none;
}

.ts-tool .fmb-btn--secondary {
    background: var(--color-surface-2);
    border-color: var(--color-border);
    color: var(--color-text);
}

.ts-tool .fmb-btn--secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: none;
}

.ts-tool .fmb-btn--outline {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text-muted);
}

.ts-tool .fmb-btn--outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: none;
}

.ts-tool .fmb-btn--danger {
    background: transparent;
    border-color: var(--color-error-border);
    color: var(--color-error);
    padding: 0.4rem 0.65rem;
    font-size: 0.8rem;
}

.ts-tool .fmb-btn--danger:hover {
    background: var(--color-error-bg);
    transform: none;
}

.ts-tool .fmb-btn-row .fmb-btn {
    flex: 1 1 auto;
}

/* Output panel */
.ts-tool .fmb-output-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: clamp(0.75rem, 2.5vw, 1.15rem);
    min-height: 8rem;
}

.ts-tool .fmb-output-panel h2 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    margin: 0 0 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-divider);
    color: var(--color-text);
    text-align: left;
}

.ts-tool #loading {
    display: none;
    text-align: center;
    margin: 0 0 0.65rem;
    padding: 0.5rem;
    font-size: 0.88rem;
    color: var(--color-primary);
    background: rgba(10, 124, 110, 0.08);
    border-radius: var(--radius-sm);
}

.ts-tool #progress-bar {
    width: 100%;
    display: none;
    margin-bottom: 0.75rem;
    height: 0.35rem;
    accent-color: var(--color-primary);
}

.ts-tool #results.fmb-results {
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.85rem;
    margin: 0;
    min-height: 3rem;
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--color-text);
}

.ts-tool #results.fmb-results:empty::before {
    content: 'Results will appear here after you calculate distances.';
    color: var(--color-text-muted);
    font-weight: 500;
}

.ts-tool #results.fmb-results strong {
    color: var(--color-primary);
}

.ts-tool #bend-visual.fmb-visual {
    margin-top: 0.85rem;
    text-align: center;
}

.ts-tool #bend-visual.fmb-visual:empty {
    display: none;
}

.ts-tool #bend-visual canvas {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

/* How it works */
.ts-tool .fmb-help {
    margin-top: 1.5rem;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.ts-tool .fmb-help > h2 {
    text-align: center;
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 3vw, 1.45rem);
    margin: 0 0 1rem;
    color: var(--color-text);
}

.ts-tool .fmb-guide-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
    gap: 0.75rem;
}

.ts-tool .fmb-guide-step {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    box-shadow: var(--shadow-sm);
}

.ts-tool .fmb-guide-icon {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: rgba(10, 124, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.65rem;
}

.ts-tool .fmb-guide-icon i {
    color: var(--color-primary);
    font-size: 1.1rem;
}

.ts-tool .fmb-guide-step h3 {
    font-size: 0.95rem;
    margin: 0 0 0.5rem;
    color: var(--color-text);
}

.ts-tool .fmb-guide-step p,
.ts-tool .fmb-guide-step li {
    font-size: 0.84rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin: 0 0 0.45rem;
}

.ts-tool .fmb-guide-step ul {
    margin: 0;
    padding-left: 1.15rem;
}

@media (max-width: 991px) {
    .ts-tool .fmb-workspace {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .ts-tool .fmb-steps {
        display: none;
    }

    .ts-tool .fmb-form-row {
        grid-template-columns: 1fr;
    }

    .ts-tool .fmb-btn-row .fmb-btn {
        flex: 1 1 100%;
    }

    .ts-tool .bend-table-wrap {
        border: 0;
        overflow: visible;
    }

    .ts-tool .bend-table {
        min-width: 0;
    }

    .ts-tool .bend-table,
    .ts-tool .bend-table thead,
    .ts-tool .bend-table tbody,
    .ts-tool .bend-table th,
    .ts-tool .bend-table td,
    .ts-tool .bend-table tr {
        display: block;
        width: 100%;
    }

    .ts-tool .bend-table thead {
        display: none;
    }

    .ts-tool .bend-table tbody {
        display: flex;
        flex-direction: column;
        gap: 0.65rem;
    }

    .ts-tool .bend-table tbody tr {
        padding: 0.75rem;
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
    }

    .ts-tool .bend-table td {
        border: 0;
        padding: 0.35rem 0;
        text-align: left;
    }

    .ts-tool .bend-table td:first-child {
        font-size: 0.95rem;
        margin-bottom: 0.25rem;
        padding-bottom: 0.35rem;
        border-bottom: 1px solid var(--color-divider);
    }

    .ts-tool .mobile-label {
        display: block;
    }
}