:root {
    --bo-primary: #001931;
    --bo-accent: #C89705;
    --bo-accent-hover: #b08504;
    --bo-text: #1a1a1a;
    --bo-muted: #6b7280;
    --bo-border: #e5e7eb;
    --bo-bg: #f9fafb;
    --bo-white: #ffffff;
    --bo-error: #dc2626;
    --bo-error-bg: #fef2f2;
    --bo-error-border: #fecaca;
    --bo-success: #059669;
    --bo-success-bg: #f0fdf4;
    --bo-success-border: #bbf7d0;
}

.beonline-calc *,
.beonline-calc *::before,
.beonline-calc *::after {
    box-sizing: border-box;
}

.beonline-calc {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--bo-text);
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 0;
}

.beonline-calc__intro {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--bo-bg);
    border-left: 3px solid var(--bo-accent);
    border-radius: 4px;
}
.beonline-calc__intro p:last-child { margin-bottom: 0; }

.beonline-calc__layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: flex-start;
}

@media (max-width: 900px) {
    .beonline-calc__layout {
        grid-template-columns: 1fr;
    }
}

.beonline-calc__form {
    background: var(--bo-white);
    border: 1px solid var(--bo-border);
    border-radius: 6px;
    padding: 1.5rem;
}

.beonline-calc__honeypot {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.beonline-calc .screen-reader-text {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.beonline-calc__section {
    border: none;
    margin: 0 0 1.5rem;
    padding: 0 0 1.5rem;
    border-bottom: 1px dashed var(--bo-border);
}

.beonline-calc__section:last-of-type {
    border-bottom: none;
}

.beonline-calc__section legend {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1rem;
    color: var(--bo-primary);
    margin-bottom: 0.75rem;
    padding: 0;
}

.beonline-calc__field {
    margin-bottom: 1rem;
    position: relative;
}

.beonline-calc__field label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.4rem;
    color: var(--bo-text);
}

.beonline-calc__field .required {
    color: var(--bo-accent);
}

.beonline-calc__field input,
.beonline-calc__select {
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 1px solid var(--bo-border);
    border-radius: 4px;
    background: var(--bo-bg);
    font-size: 1rem;
    color: var(--bo-text);
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.beonline-calc__field input:focus,
.beonline-calc__select:focus {
    outline: none;
    border-color: var(--bo-accent);
    background: var(--bo-white);
    box-shadow: 0 0 0 3px rgba(200, 151, 5, 0.15);
}

.beonline-calc__field input::placeholder {
    color: var(--bo-muted);
}

.beonline-calc__field.is-invalid input {
    border-color: var(--bo-error);
    background: #fff;
}

.beonline-calc__field.is-invalid input:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.beonline-calc__field-error {
    display: none;
    color: var(--bo-error);
    font-size: 0.85rem;
    margin-top: 0.3rem;
    min-height: 1em;
}

.beonline-calc__field.is-invalid .beonline-calc__field-error {
    display: block;
}

.beonline-calc__field-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .beonline-calc__field-row {
        grid-template-columns: 1fr;
    }
}

.beonline-calc__options {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.beonline-calc__option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border: 1px solid var(--bo-border);
    border-radius: 4px;
    background: var(--bo-bg);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, transform 0.05s;
}

.beonline-calc__option:hover {
    border-color: var(--bo-accent);
}

.beonline-calc__option:active {
    transform: scale(0.998);
}

.beonline-calc__option input {
    margin: 0;
    accent-color: var(--bo-accent);
    flex-shrink: 0;
}

.beonline-calc__option input:focus-visible {
    outline: 2px solid var(--bo-accent);
    outline-offset: 3px;
}

.beonline-calc__option:has(input:checked) {
    border-color: var(--bo-accent);
    background: rgba(200, 151, 5, 0.08);
}

.beonline-calc__option-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    gap: 1rem;
}

.beonline-calc__option-name {
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.beonline-calc__option-price {
    color: var(--bo-muted);
    font-size: 0.9rem;
    white-space: nowrap;
}

.beonline-calc__option-price small {
    font-size: 0.8em;
}

.beonline-calc__device-image {
    margin-bottom: 0.75rem;
    text-align: center;
}

.beonline-calc__device-image img {
    max-width: 120px;
    max-height: 120px;
    height: auto;
}

.beonline-calc__section-desc {
    margin: 0 0 0.75rem;
    color: var(--bo-muted);
    font-size: 0.85rem;
    line-height: 1.5;
}

.beonline-calc__help {
    display: block;
    margin-top: 0.4rem;
    color: var(--bo-muted);
    font-size: 0.85rem;
}

.beonline-calc__combo-note {
    background: rgba(200, 151, 5, 0.08);
    border-left: 3px solid var(--bo-accent);
    padding: 0.75rem 1rem;
    margin: 1rem 0;
    font-size: 0.9rem;
}

/* Tooltips ----------------------------------------------------------------- */

.beonline-calc__tooltip-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border: 1px solid var(--bo-muted);
    background: transparent;
    border-radius: 50%;
    color: var(--bo-muted);
    font-size: 10px;
    font-style: italic;
    font-family: Georgia, serif;
    line-height: 1;
    cursor: help;
    padding: 0;
    position: relative;
    flex-shrink: 0;
}

.beonline-calc__tooltip-trigger:hover,
.beonline-calc__tooltip-trigger:focus-visible,
.beonline-calc__tooltip-trigger.is-active {
    color: var(--bo-white);
    background: var(--bo-primary);
    border-color: var(--bo-primary);
    outline: none;
}

.beonline-calc__tooltip {
    position: fixed;
    z-index: 999999;
    width: max-content;
    max-width: 280px;
    background: var(--bo-primary);
    color: var(--bo-white);
    padding: 0.65rem 0.85rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 400;
    font-style: normal;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.45;
    text-align: left;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
    white-space: normal;
    top: 0;
    left: 0;
}

.beonline-calc__tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--bo-primary);
}

.beonline-calc__tooltip.is-visible {
    opacity: 1 !important;
    visibility: visible !important;
}

@media (max-width: 600px) {
    .beonline-calc__tooltip {
        max-width: 220px;
    }
}

/* Messages ---------------------------------------------------------------- */

.beonline-calc__messages {
    margin: 1rem 0;
    min-height: 0;
}

.beonline-calc__messages.is-error {
    color: var(--bo-error);
    background: var(--bo-error-bg);
    border: 1px solid var(--bo-error-border);
    padding: 0.75rem 1rem;
    border-radius: 4px;
}

.beonline-calc__messages.is-success {
    color: var(--bo-success);
    background: var(--bo-success-bg);
    border: 1px solid var(--bo-success-border);
    padding: 0.75rem 1rem;
    border-radius: 4px;
}

/* Submit button ----------------------------------------------------------- */

.beonline-calc__submit {
    position: relative;
    width: 100%;
    background: var(--bo-accent);
    color: var(--bo-white);
    border: none;
    border-radius: 4px;
    padding: 0.95rem 1rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
    overflow: hidden;
}

.beonline-calc__submit:hover:not(:disabled) {
    background: var(--bo-accent-hover);
}

.beonline-calc__submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.beonline-calc__submit-spinner {
    display: none;
    width: 16px;
    height: 16px;
    margin-left: 0.5rem;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: var(--bo-white);
    border-radius: 50%;
    vertical-align: middle;
    animation: beonline-spin 0.7s linear infinite;
}

.beonline-calc--submitting .beonline-calc__submit-spinner {
    display: inline-block;
}

@keyframes beonline-spin {
    to { transform: rotate(360deg); }
}

/* Summary ----------------------------------------------------------------- */

.beonline-calc__summary {
    background: var(--bo-white);
    border: 1px solid var(--bo-border);
    border-radius: 6px;
    padding: 1.5rem;
    position: -webkit-sticky;
    position: sticky;
    top: 100px;
    align-self: start;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

@media (max-width: 900px) {
    .beonline-calc__summary {
        position: static;
        max-height: none;
    }
}

.beonline-calc__summary-title {
    margin: 0 0 1rem;
    font-size: 1.1rem;
    color: var(--bo-primary);
    font-weight: 700;
}

.beonline-calc__summary-customer {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--bo-border);
}

.beonline-calc__summary-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.4rem 0;
    font-size: 0.9rem;
}

.beonline-calc__summary-label {
    color: var(--bo-muted);
}

.beonline-calc__summary-value {
    color: var(--bo-text);
    font-weight: 500;
    text-align: right;
    word-break: break-word;
}

.beonline-calc__summary-items:empty + .beonline-calc__summary-empty {
    display: block;
}

.beonline-calc__summary-empty {
    display: none;
    padding: 1rem 0;
    color: var(--bo-muted);
    font-size: 0.85rem;
    font-style: italic;
    text-align: center;
}

.beonline-calc__summary-section {
    padding: 0.4rem 0;
    border-bottom: 1px dotted var(--bo-border);
}

.beonline-calc__summary-section:last-child {
    border-bottom: none;
}

.beonline-calc__summary-section-title {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--bo-text);
    font-weight: 500;
}

.beonline-calc__summary-item {
    display: flex;
    justify-content: space-between;
    padding-left: 0.75rem;
    font-size: 0.85rem;
    color: var(--bo-muted);
    margin-top: 0.2rem;
}

.beonline-calc__summary-totals {
    border-top: 2px solid var(--bo-primary);
    padding-top: 0.75rem;
    margin-bottom: 1rem;
}

.beonline-calc__total {
    display: flex;
    justify-content: space-between;
    padding: 0.4rem 0;
    font-size: 1rem;
    font-weight: 700;
}

.beonline-calc__total--monthly {
    color: var(--bo-primary);
    font-size: 1.1rem;
}

.beonline-calc__total--onetime {
    color: var(--bo-text);
}

/* Thank-you screen -------------------------------------------------------- */

.beonline-calc--success .beonline-calc__layout {
    display: none;
}

.beonline-calc__thankyou {
    background: var(--bo-success-bg);
    border: 1px solid var(--bo-success-border);
    border-radius: 6px;
    padding: 2rem;
    text-align: center;
}
.beonline-calc__thankyou h2 { color: var(--bo-success); margin-top: 0; }
.beonline-calc__thankyou p { line-height: 1.5; }

/* Toast ------------------------------------------------------------------- */

.beonline-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 99999;
    min-width: 280px;
    max-width: 360px;
    padding: 1rem 1.25rem;
    border-radius: 6px;
    color: var(--bo-white);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 0.95rem;
    line-height: 1.4;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.2s, transform 0.2s;
}
.beonline-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}
.beonline-toast--success { background: var(--bo-success); }
.beonline-toast--error   { background: var(--bo-error); }

/* Generic --------------------------------------------------------------- */

.beonline-error {
    color: var(--bo-error);
    background: var(--bo-error-bg);
    border: 1px solid var(--bo-error-border);
    padding: 1rem;
    border-radius: 4px;
}

.beonline-calc--submitting .beonline-calc__form {
    pointer-events: none;
    opacity: 0.85;
}