/* =========================================================
   Blockenberg — Margin Calculator  (bkbg-mgc-*)
   ========================================================= */

/* ── Wrapper ────────────────────────────────────────────── */
.bkbg-mgc-wrap {
    box-sizing:    border-box;
    border-radius: 12px;
    padding:       32px 24px;
    font-family:   inherit;
    margin:        0 auto;
}

/* ── Header ─────────────────────────────────────────────── */
.bkbg-mgc-title {
    font-family:      var(--bkbg-mgc-tt-font-family, inherit);
    font-size:        var(--bkbg-mgc-tt-font-size-d, 26px);
    font-weight:      var(--bkbg-mgc-tt-font-weight, 700);
    font-style:       var(--bkbg-mgc-tt-font-style, normal);
    text-decoration:  var(--bkbg-mgc-tt-text-decoration, none);
    text-transform:   var(--bkbg-mgc-tt-text-transform, none);
    line-height:      var(--bkbg-mgc-tt-line-height-d, 1.2);
    letter-spacing:   var(--bkbg-mgc-tt-letter-spacing-d, normal);
    word-spacing:     var(--bkbg-mgc-tt-word-spacing-d, normal);
    margin:           0 0 6px 0;
}
.bkbg-mgc-wrap h3.bkbg-mgc-title {
    font-family:      var(--bkbg-mgc-tt-font-family, inherit);
    font-size:        var(--bkbg-mgc-tt-font-size-d, 26px);
    font-weight:      var(--bkbg-mgc-tt-font-weight, 700);
    font-style:       var(--bkbg-mgc-tt-font-style, normal);
    text-decoration:  var(--bkbg-mgc-tt-text-decoration, none);
    text-transform:   var(--bkbg-mgc-tt-text-transform, none);
    line-height:      var(--bkbg-mgc-tt-line-height-d, 1.2);
    letter-spacing:   var(--bkbg-mgc-tt-letter-spacing-d, normal);
    word-spacing:     var(--bkbg-mgc-tt-word-spacing-d, normal);
    margin:           0 0 6px 0;
}
.bkbg-mgc-subtitle {
    font-family:      var(--bkbg-mgc-st-font-family, inherit);
    font-size:        var(--bkbg-mgc-st-font-size-d, 14px);
    font-weight:      var(--bkbg-mgc-st-font-weight, 400);
    font-style:       var(--bkbg-mgc-st-font-style, normal);
    text-decoration:  var(--bkbg-mgc-st-text-decoration, none);
    text-transform:   var(--bkbg-mgc-st-text-transform, none);
    line-height:      var(--bkbg-mgc-st-line-height-d, 1.5);
    letter-spacing:   var(--bkbg-mgc-st-letter-spacing-d, normal);
    word-spacing:     var(--bkbg-mgc-st-word-spacing-d, normal);
    margin:           0 0 24px 0;
}

/* ── Mode tabs ──────────────────────────────────────────── */
.bkbg-mgc-tabs {
    display:       flex;
    gap:           8px;
    flex-wrap:     wrap;
    margin-bottom: 20px;
}
.bkbg-mgc-tab {
    padding:         8px 20px;
    border-radius:   8px;
    border:          2px solid #d1d5db;
    background:      #ffffff;
    color:           #374151;
    font-size:       14px;
    font-weight:     500;
    cursor:          pointer;
    transition:      all 0.18s ease;
    white-space:     nowrap;
}
.bkbg-mgc-tab:hover {
    border-color:    #10b981;
    color:           #10b981;
}
.bkbg-mgc-tab.active {
    border-color:    var(--mgc-accent, #10b981);
    background:      var(--mgc-accent, #10b981);
    color:           #ffffff;
    font-weight:     700;
}

/* ── Inputs grid ────────────────────────────────────────── */
.bkbg-mgc-inputs {
    display:               grid;
    grid-template-columns: 1fr 1fr;
    gap:                   14px;
    margin-bottom:         22px;
}
@media (max-width: 500px) {
    .bkbg-mgc-inputs { grid-template-columns: 1fr; }
}
.bkbg-mgc-field label {
    display:       block;
    font-size:     13px;
    font-weight:   600;
    margin-bottom: 5px;
}
.bkbg-mgc-input {
    width:         100%;
    box-sizing:    border-box;
    border:        1.5px solid #e5e7eb;
    border-radius: 8px;
    padding:       10px 14px;
    font-size:     15px;
    font-family:   inherit;
    transition:    border-color 0.18s;
    outline:       none;
    -moz-appearance: textfield;
}
.bkbg-mgc-input:focus {
    border-color:  var(--mgc-accent, #10b981);
    box-shadow:    0 0 0 3px rgba(16,185,129,0.15);
}
.bkbg-mgc-input::-webkit-outer-spin-button,
.bkbg-mgc-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

/* ── Result cards ───────────────────────────────────────── */
.bkbg-mgc-cards {
    display:               grid;
    grid-template-columns: repeat(2, 1fr);
    gap:                   12px;
    margin-bottom:         20px;
}
@media (max-width: 440px) {
    .bkbg-mgc-cards { grid-template-columns: 1fr; }
}
.bkbg-mgc-card {
    border-radius: 10px;
    padding:       14px 16px;
    border-left:   4px solid var(--mgc-accent, #10b981);
    transition:    transform 0.15s;
}
.bkbg-mgc-card:hover {
    transform:     translateY(-2px);
}
.bkbg-mgc-card-label {
    font-size:      11px;
    font-weight:    600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color:          #6b7280;
    margin-bottom:  6px;
}
.bkbg-mgc-card-value {
    font-size:   22px;
    font-weight: 700;
    line-height: 1.1;
}

/* ── Breakdown bar ──────────────────────────────────────── */
.bkbg-mgc-bar-section {
    margin-bottom:  20px;
}
.bkbg-mgc-bar-heading {
    font-size:     12px;
    font-weight:   600;
    margin-bottom: 7px;
}
.bkbg-mgc-bar-track {
    display:       flex;
    border-radius: 8px;
    overflow:      hidden;
    height:        28px;
}
.bkbg-mgc-bar-cost {
    display:         flex;
    align-items:     center;
    justify-content: center;
    color:           #ffffff;
    font-size:       11px;
    font-weight:     700;
    transition:      width 0.4s ease;
    min-width:       0;
    overflow:        hidden;
}
.bkbg-mgc-bar-profit {
    display:         flex;
    align-items:     center;
    justify-content: center;
    color:           #ffffff;
    font-size:       11px;
    font-weight:     700;
    transition:      width 0.4s ease;
    min-width:       0;
    overflow:        hidden;
}
.bkbg-mgc-bar-legend {
    display:    flex;
    gap:        16px;
    margin-top: 6px;
}
.bkbg-mgc-bar-legend span {
    font-size:   12px;
    font-weight: 600;
}

/* ── Margin health scale ────────────────────────────────── */
.bkbg-mgc-scale {
    border-radius: 10px;
    padding:       14px 16px;
    border:        1.5px solid #e5e7eb;
    margin-bottom: 8px;
}
.bkbg-mgc-scale-header {
    display:         flex;
    justify-content: space-between;
    align-items:     center;
    margin-bottom:   8px;
}
.bkbg-mgc-scale-label {
    font-size:   13px;
    font-weight: 600;
}
.bkbg-mgc-scale-status {
    font-size:   13px;
    font-weight: 700;
}
.bkbg-mgc-scale-track {
    background:    #e5e7eb;
    border-radius: 999px;
    height:        8px;
    overflow:      hidden;
}
.bkbg-mgc-scale-fill {
    height:        100%;
    border-radius: 999px;
    transition:    width 0.4s ease, background 0.3s;
}
.bkbg-mgc-scale-ticks {
    display:         flex;
    justify-content: space-between;
    margin-top:      4px;
}
.bkbg-mgc-scale-ticks span {
    font-size: 11px;
    color:     #9ca3af;
}

/* ── Error state ────────────────────────────────────────── */
.bkbg-mgc-error {
    background:    #fef2f2;
    border:        1.5px solid #fca5a5;
    border-radius: 8px;
    padding:       12px 16px;
    color:         #dc2626;
    font-size:     14px;
    font-weight:   500;
    margin-bottom: 16px;
}

/* ── Animations ─────────────────────────────────────────── */
@keyframes bkbg-mgc-fadein {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0);   }
}
.bkbg-mgc-cards,
.bkbg-mgc-bar-section,
.bkbg-mgc-scale {
    animation: bkbg-mgc-fadein 0.3s ease both;
}

/* ── Responsive typography ──────────────────────────────── */
@media (max-width: 1024px) {
    .bkbg-mgc-title,
    .bkbg-mgc-wrap h3.bkbg-mgc-title    { font-size: var(--bkbg-mgc-tt-font-size-t, 26px); line-height: var(--bkbg-mgc-tt-line-height-t, 1.2); letter-spacing: var(--bkbg-mgc-tt-letter-spacing-t, normal); word-spacing: var(--bkbg-mgc-tt-word-spacing-t, normal); }
    .bkbg-mgc-subtitle { font-size: var(--bkbg-mgc-st-font-size-t, 14px); line-height: var(--bkbg-mgc-st-line-height-t, 1.5); letter-spacing: var(--bkbg-mgc-st-letter-spacing-t, normal); word-spacing: var(--bkbg-mgc-st-word-spacing-t, normal); }
}
@media (max-width: 767px) {
    .bkbg-mgc-title,
    .bkbg-mgc-wrap h3.bkbg-mgc-title    { font-size: var(--bkbg-mgc-tt-font-size-m, 26px); line-height: var(--bkbg-mgc-tt-line-height-m, 1.2); letter-spacing: var(--bkbg-mgc-tt-letter-spacing-m, normal); word-spacing: var(--bkbg-mgc-tt-word-spacing-m, normal); }
    .bkbg-mgc-subtitle { font-size: var(--bkbg-mgc-st-font-size-m, 14px); line-height: var(--bkbg-mgc-st-line-height-m, 1.5); letter-spacing: var(--bkbg-mgc-st-letter-spacing-m, normal); word-spacing: var(--bkbg-mgc-st-word-spacing-m, normal); }
}