/* =============================================================================
   CO Print Press — Phase 2B-2 styles (UPDATED FOR PART D)
   -----------------------------------------------------------------------------
   Tabs, modal dialogs, option groups, variant tables, live margin preview,
   plus radio cards & variant pricing preview (Part D additions).
   ========================================================================== */

/* TAB BAR */
.cpp-tabbar {
    display: flex;
    gap: 0;
    border-bottom: 3px solid var(--cpp-ink);
    margin-bottom: var(--cpp-s5);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.cpp-tabbar__tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px var(--cpp-s4);
    font-family: var(--cpp-font-mono);
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cpp-ink-soft);
    border: 2px solid transparent;
    border-bottom: none;
    margin-bottom: -3px;
    background: transparent;
    transition: background .15s, color .15s;
    white-space: nowrap;
}
.cpp-tabbar__tab:hover { background: var(--cpp-paper-2); color: var(--cpp-ink); }
.cpp-tabbar__tab.is-active {
    background: var(--cpp-paper);
    color: var(--cpp-magenta);
    border-color: var(--cpp-ink);
    border-bottom: 3px solid var(--cpp-paper);
}
.cpp-tabbar__icon { color: var(--cpp-magenta); font-size: 14px; }
.cpp-tabbar__tab.is-active .cpp-tabbar__icon { color: var(--cpp-magenta); }

/* DIALOG MODALS */
.cpp-dialog {
    border: 3px solid var(--cpp-ink);
    box-shadow: 8px 8px 0 var(--cpp-magenta);
    background: var(--cpp-paper);
    padding: var(--cpp-s5) var(--cpp-s5) var(--cpp-s4);
    max-width: 600px;
    width: 90vw;
    color: var(--cpp-ink);
    font-family: var(--cpp-font-body);
}
.cpp-dialog::backdrop { background: rgba(22, 22, 22, 0.7); }
.cpp-dialog h3 {
    font-family: var(--cpp-font-display);
    font-size: 1.4rem;
    font-weight: 900;
    margin: 0 0 var(--cpp-s3);
    padding-bottom: var(--cpp-s2);
    border-bottom: 2px solid var(--cpp-ink);
}
.cpp-dialog__actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--cpp-s2);
    margin: var(--cpp-s4) 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--cpp-rule);
    padding-top: var(--cpp-s3);
}

/* OPTION GROUPS */
.cpp-options-section {}
.cpp-optgroup {
    background: var(--cpp-paper);
    border: 2px solid var(--cpp-ink);
    box-shadow: 4px 4px 0 var(--cpp-ink);
    margin-bottom: var(--cpp-s4);
}
.cpp-optgroup__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--cpp-s3);
    padding: var(--cpp-s4) var(--cpp-s4);
    background: var(--cpp-paper-2);
    border-bottom: 2px solid var(--cpp-ink);
    flex-wrap: wrap;
}
.cpp-optgroup__head h3 {
    font-family: var(--cpp-font-display);
    font-size: 1.2rem;
    font-weight: 900;
    margin: 0;
}
.cpp-optgroup__head-actions { display: flex; gap: var(--cpp-s3); align-items: center; }

/* MARGIN PREVIEW (sidebar of pricing tab) */
.cpp-margin-preview {
    background: var(--cpp-ink) !important;
    color: var(--cpp-paper);
    border-color: var(--cpp-ink) !important;
    box-shadow: 6px 6px 0 var(--cpp-yellow) !important;
}
.cpp-margin-preview h2,
.cpp-margin-preview .cpp-account__sub {
    color: var(--cpp-yellow);
    border-bottom-color: rgba(255, 250, 240, 0.2);
    padding-bottom: 8px;
    margin-bottom: var(--cpp-s3);
}
.cpp-margin-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 6px 0;
    font-family: var(--cpp-font-mono);
    font-size: 12px;
    color: rgba(255, 250, 240, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.cpp-margin-row strong {
    color: var(--cpp-paper);
    font-family: var(--cpp-font-display);
    font-size: 1.05rem;
    font-weight: 700;
}
.cpp-margin-row strong.is-negative { color: var(--cpp-magenta); }
.cpp-margin-row--big strong { font-size: 1.6rem; color: var(--cpp-yellow); }
.cpp-margin-row--big.is-negative strong { color: var(--cpp-magenta); }
.cpp-margin-rule { height: 2px; background: rgba(255, 250, 240, 0.2); margin: var(--cpp-s2) 0; }
.cpp-margin-suggested {
    margin-top: var(--cpp-s3);
    padding: 10px 12px;
    background: rgba(255, 212, 0, 0.1);
    border-left: 3px solid var(--cpp-yellow);
    font-family: var(--cpp-font-mono);
    font-size: 11px;
    color: rgba(255, 250, 240, 0.85);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.cpp-margin-suggested strong { color: var(--cpp-yellow); font-family: var(--cpp-font-display); text-transform: none; font-size: 1rem; }

/* =================================================================
   PHASE 2B-2 PART D — RADIO CARDS + VARIANT PRICING PREVIEW
   ================================================================= */
.cpp-radio-card {
    display: flex;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 8px;
    border: 2px solid var(--cpp-rule);
    background: var(--cpp-paper);
    cursor: pointer;
    transition: border-color .15s, background .15s;
}
.cpp-radio-card:hover {
    border-color: var(--cpp-magenta);
}
.cpp-radio-card input[type="radio"] {
    margin-top: 4px;
    flex-shrink: 0;
}
.cpp-radio-card input[type="radio"]:checked ~ span {
    color: var(--cpp-ink);
}
.cpp-radio-card:has(input:checked) {
    border-color: var(--cpp-magenta);
    background: rgba(236, 0, 140, 0.04);
    box-shadow: 3px 3px 0 var(--cpp-magenta);
}
.cpp-radio-card span {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.95rem;
}
.cpp-radio-card span strong {
    font-family: var(--cpp-font-display);
    font-weight: 700;
    font-size: 1rem;
}
.cpp-radio-card span em {
    font-style: normal;
    font-size: 0.82rem;
    color: var(--cpp-ink-soft);
    line-height: 1.4;
}

.cpp-variant-preview {
    background: var(--cpp-ink);
    color: var(--cpp-paper);
    padding: 14px 16px;
    margin: 0 0 var(--cpp-s3);
    border-left: 4px solid var(--cpp-yellow);
}
.cpp-variant-preview__row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-family: var(--cpp-font-mono);
    font-size: 11px;
    color: rgba(255, 250, 240, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.cpp-variant-preview__row strong {
    font-family: var(--cpp-font-display);
    font-weight: 700;
    color: var(--cpp-yellow);
    font-size: 1rem;
    text-transform: none;
    letter-spacing: 0;
}
.cpp-variant-preview__warn {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 250, 240, 0.15);
    font-size: 11px;
    color: var(--cpp-yellow);
    line-height: 1.4;
}

/* RESPONSIVE */
@media (max-width: 720px) {
    .cpp-tabbar__tab { padding: 8px 12px; font-size: 11px; }
    .cpp-dialog { padding: var(--cpp-s4) var(--cpp-s3); }
    .cpp-optgroup__head { flex-direction: column; align-items: flex-start; }
}