/* ── CBM Calculator v1.2.0 ───────────────────────────────────────────────── */

.cbmcalculator {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--cbmcal-text, #000);
    background: var(--cbmcal-bg, #fff);
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--cbmcal-border, #ddd);
    border-radius: var(--cbmcal-radius, 8px);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.cbmcalculator *, .cbmcalculator *::before, .cbmcalculator *::after {
    box-sizing: border-box;
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.cbmcal-header {
    background: linear-gradient(135deg, var(--cbmcal-header, #563d7c), color-mix(in srgb, var(--cbmcal-header, #563d7c), #000 20%));
    color: #fff;
    font-size: 1.05em;
    font-weight: 700;
    padding: 12px 16px;
    text-align: center;
    letter-spacing: 0.3px;
}

/* ── Row layout ──────────────────────────────────────────────────────────── */
.cbmcal-row {
    display: flex;
    align-items: center;
    padding: 7px 14px;
    border-bottom: 1px solid var(--cbmcal-border, #eee);
    gap: 10px;
    min-height: 38px;
    transition: background 0.15s ease;
}
.cbmcal-row:hover {
    background: rgba(0,0,0,0.015);
}
.cbmcal-label {
    width: 40%;
    flex-shrink: 0;
    font-size: 13px;
    font-weight: 500;
}
.cbmcal-value {
    flex: 1;
    display: flex;
    align-items: center;
}
.cbmcal-inline {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-wrap: wrap;
}

/* ── UOM row — both selects side by side ─────────────────────────────────── */
.cbmcal-uom-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ── Inputs ───────────────────────────────────────────────────────────────── */
.cbmcal-input {
    width: 100%;
    padding: 5px 8px;
    border: 1px solid var(--cbmcal-border, #ccc);
    border-radius: calc(var(--cbmcal-radius, 8px) * 0.4);
    font-size: 13px;
    line-height: 1.4;
    background: #fff;
    color: var(--cbmcal-text, #000);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.cbmcal-input:focus {
    outline: none;
    border-color: var(--cbmcal-primary, #563d7c);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--cbmcal-primary, #563d7c), transparent 80%);
}
.cbmcal-input[readonly] {
    background: #f7f7f8;
    cursor: default;
    font-weight: 600;
    color: var(--cbmcal-primary, #563d7c);
}
.cbmcal-input[readonly]:focus {
    border-color: var(--cbmcal-border, #ccc);
    box-shadow: none;
}
.cbmcal-input-xs { width: 72px; flex: 0 0 72px; }
.cbmcal-input-sm { width: 100px; flex: 0 0 100px; }

/* ── Unit labels ─────────────────────────────────────────────────────────── */
.cbmcal-unit {
    font-size: 11px;
    color: #888;
    margin-right: 6px;
    flex-shrink: 0;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ── Selects ──────────────────────────────────────────────────────────────── */
.cbmcal-select-dim,
.cbmcal-select-wt {
    padding: 5px 8px;
    border: 1px solid var(--cbmcal-border, #ccc);
    border-radius: calc(var(--cbmcal-radius, 8px) * 0.4);
    font-size: 13px;
    line-height: 1.4;
    background: #fff;
    color: var(--cbmcal-text, #000);
    height: 32px;
    appearance: auto;
    cursor: pointer;
    transition: border-color 0.2s ease;
}
.cbmcal-select-dim:focus,
.cbmcal-select-wt:focus {
    outline: none;
    border-color: var(--cbmcal-primary, #563d7c);
}
.cbmcal-select-dim { min-width: 80px; }
.cbmcal-select-wt  { min-width: 60px; }

/* ── Volume results bar ──────────────────────────────────────────────────── */
.cbmcal-results-header,
.cbmcal-results-row {
    display: flex;
    padding: 8px 14px;
    gap: 10px;
    border-bottom: 1px solid var(--cbmcal-border, #eee);
}
.cbmcal-results-header {
    background: var(--cbmcal-primary, #563d7c);
    color: #fff;
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.cbmcal-results-header > div,
.cbmcal-results-row > div {
    flex: 1;
    text-align: center;
}
.cbmcal-results-row input[type="text"] {
    width: 100%;
    text-align: center;
    padding: 5px;
    border: 1px solid var(--cbmcal-border, #eee);
    border-radius: calc(var(--cbmcal-radius, 8px) * 0.4);
    background: #f7f7f8;
    font-size: 14px;
    font-weight: 700;
    color: var(--cbmcal-primary, #563d7c);
}

/* ── Error ────────────────────────────────────────────────────────────────── */
.cbmcal-error {
    color: #c00;
    font-size: 0.82em;
    padding: 6px 14px;
    min-height: 12px;
}
.cbmcal-error:empty { min-height: 0; padding: 0; }

/* ── Action bar ──────────────────────────────────────────────────────────── */
.cbmcal-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.cbmcal-btn {
    background: var(--cbmcal-button, #563d7c);
    color: #fff;
    border: none;
    border-radius: calc(var(--cbmcal-radius, 8px) * 0.4);
    padding: 7px 16px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    line-height: 1.4;
    transition: opacity 0.15s ease, transform 0.1s ease;
}
.cbmcal-btn:hover { opacity: 0.88; }
.cbmcal-btn:active { transform: scale(0.97); }
.cbmcal-btn-reset {
    background: transparent;
    color: var(--cbmcal-primary, #563d7c);
    border: 1.5px solid var(--cbmcal-primary, #563d7c);
}
.cbmcal-btn-reset:hover {
    background: var(--cbmcal-primary, #563d7c);
    color: #fff;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */
.cbmcal-footer {
    height: 4px;
    background: linear-gradient(90deg, var(--cbmcal-primary, #563d7c), color-mix(in srgb, var(--cbmcal-primary, #563d7c), #000 20%));
    opacity: 0.35;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Multiple Products table
   ═══════════════════════════════════════════════════════════════════════════ */

.cbmcal-multi-table-wrap {
    overflow-x: auto;
    padding: 10px 14px 0;
    width: 100%;
}
.cbmcal-multi-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.cbmcal-multi-table th {
    background: var(--cbmcal-primary, #563d7c);
    color: #fff;
    padding: 7px 5px;
    text-align: center;
    white-space: nowrap;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.cbmcal-multi-table td {
    padding: 5px 4px;
    border-bottom: 1px solid var(--cbmcal-border, #eee);
    vertical-align: middle;
    text-align: center;
}
.cbmcal-multi-table tbody tr:nth-child(even) td {
    background: rgba(0,0,0,0.015);
}
.cbmcal-multi-table .cbmcal-totals-row td {
    background: #f5f5f5;
    font-weight: bold;
    border-top: 2px solid var(--cbmcal-primary, #563d7c);
}
.cbmcal-multi-table .cbmcal-input {
    width: 56px;
    font-size: 11px;
    padding: 3px 4px;
    text-align: center;
}
.cbmcal-multi-table .cbmcal-desc {
    width: 86px;
    text-align: left;
}
.cbmcal-multi-table .cbmcal-row-num {
    font-weight: 700;
    color: var(--cbmcal-primary, #563d7c);
    width: 24px;
}

.cbmcal-remove-row {
    background: #dc3545;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 3px 7px;
    cursor: pointer;
    font-size: 11px;
    line-height: 1.2;
    transition: background 0.15s ease;
}
.cbmcal-remove-row:hover { background: #b02a37; }

/* ═══════════════════════════════════════════════════════════════════════════
   Container Fitting cards
   ═══════════════════════════════════════════════════════════════════════════ */

.cbmcal-container-grid {
    display: flex;
    gap: 12px;
    padding: 16px 14px;
    flex-wrap: wrap;
}
.cbmcal-container-card {
    flex: 1;
    min-width: 85px;
    text-align: center;
    border: 2px solid var(--cbmcal-primary, #563d7c);
    border-radius: var(--cbmcal-radius, 8px);
    padding: 14px 8px;
    background: var(--cbmcal-bg, #fff);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.cbmcal-container-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.cbmcal-container-title {
    font-weight: 700;
    color: var(--cbmcal-primary, #563d7c);
    font-size: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.cbmcal-container-value input[type="text"] {
    width: 80%;
    text-align: center;
    font-size: 24px;
    font-weight: 800;
    border: none;
    border-bottom: 2px solid var(--cbmcal-primary, #563d7c);
    background: transparent;
    outline: none;
    color: var(--cbmcal-text, #000);
    padding: 2px 0;
}
.cbmcal-container-label {
    font-size: 11px;
    color: #888;
    margin-top: 6px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 480px) {
    .cbmcal-row { padding: 5px 10px; gap: 6px; }
    .cbmcal-label { width: 36%; font-size: 12px; }
    .cbmcal-input { font-size: 12px; padding: 4px 6px; }
    .cbmcal-input-xs { width: 60px; flex: 0 0 60px; }
    .cbmcal-container-grid { gap: 6px; padding: 10px 10px; }
    .cbmcal-container-value input[type="text"] { font-size: 18px; }
    .cbmcal-multi-table .cbmcal-input { width: 44px; font-size: 10px; }
    .cbmcal-uom-row { flex-wrap: wrap; }
}