/* /calculator page — matches the reference site's calculator.php layout
   1:1 (page-container/page-title/credit-scale/package-selector/calc-layout),
   rebuilt against our own real catalog + package data. Shared tokens/chrome
   in detail-pages.css. */

.page-container { max-width: 1200px; margin: 0 auto; padding: 48px 24px 80px; }

.page-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    color: var(--white);
    text-align: center;
    margin-bottom: 40px;
    letter-spacing: -0.02em;
}

/* ===== Credit Scale ===== */
.credit-scale {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px 28px;
    display: flex;
    align-items: center;
    gap: 24px;
    margin-bottom: 36px;
    overflow-x: auto;
}
.credit-scale-label { display: flex; align-items: center; gap: 10px; flex-shrink: 0; white-space: nowrap; }
.credit-scale-label svg { width: 20px; height: 20px; color: var(--primary); }
.credit-scale-label span { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--text); }
.credit-scale-items { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.credit-scale-chip { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; background: rgba(57,178,245,0.08); border: 1px solid rgba(57,178,245,0.2); border-radius: 10px; white-space: nowrap; }
.chip-name { font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--text); }
.chip-credit { font-family: var(--font-display); font-size: 12px; font-weight: 700; color: var(--primary); }

/* ===== Package Selector ===== */
.package-selector { margin-bottom: 36px; }
.package-selector-label { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.package-selector-label svg { width: 20px; height: 20px; color: var(--primary); }
.package-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.package-card { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; cursor: pointer; transition: all 0.3s ease; text-align: center; }
.package-card:hover { background: var(--bg-card-hover, var(--bg-elevated)); border-color: var(--border-light); }
.package-card.active { border-color: var(--primary); background: rgba(57,178,245,0.08); }
.package-card .pkg-popular { position: absolute; top: -10px; left: 50%; transform: translateX(-50%); background: var(--gradient); color: var(--white); font-family: var(--font-display); font-size: 10px; font-weight: 700; padding: 3px 10px; border-radius: 20px; text-transform: uppercase; letter-spacing: 0.04em; white-space: nowrap; }
.package-card .pkg-radio { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--border-light); margin: 0 auto 10px; display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; }
.package-card.active .pkg-radio { border-color: var(--primary); background: var(--primary); }
.package-card.active .pkg-radio::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--white); }
.package-card .pkg-credits { font-family: var(--font-display); font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 2px; }
.package-card .pkg-price { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.package-card .pkg-per-credit { font-size: 11px; color: var(--text-dim); }
.package-card.active .pkg-per-credit { color: var(--text-muted); }
.package-empty { color: var(--text-dim); font-size: 13px; }

/* ===== Calculator Layout ===== */
.calc-layout { display: grid; grid-template-columns: 1fr 380px; gap: 28px; align-items: start; }

.calc-products { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.calc-table-head { display: grid; grid-template-columns: 36px 1fr 80px 80px 40px; align-items: center; padding: 14px 20px; border-bottom: 1px solid var(--border); font-family: var(--font-display); font-size: 12px; font-weight: 600; color: var(--text-dim); letter-spacing: 0.04em; text-transform: uppercase; }
.calc-table-head span:not(:first-child) { text-align: center; }

.calc-category { border-bottom: 1px solid var(--border); }
.calc-category:last-child { border-bottom: none; }

.calc-cat-row { display: grid; grid-template-columns: 36px 1fr 80px 80px 40px; align-items: center; padding: 14px 20px; cursor: pointer; transition: background 0.2s ease; user-select: none; }
.calc-cat-row:hover { background: rgba(255,255,255,0.02); }
.calc-cat-row.active { background: rgba(57,178,245,0.08); border-left: 3px solid var(--primary); padding-left: 17px; }
.calc-cat-row .calc-row-name { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--white); }
.calc-cat-row .calc-row-credit, .calc-cat-row .calc-row-price { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--primary); text-align: center; }

.calc-radio { width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--border-light); display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; flex-shrink: 0; }
.calc-cat-row.active .calc-radio { border-color: var(--primary); background: var(--primary); }
.calc-cat-row.active .calc-radio::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--white); }

.calc-toggle-btn { background: none; border: none; color: var(--text-dim); cursor: pointer; padding: 4px; display: flex; align-items: center; justify-content: center; transition: all 0.3s ease; }
.calc-toggle-btn svg { width: 18px; height: 18px; transition: transform 0.3s var(--ease-out-expo); }
.calc-toggle-btn:hover { color: var(--primary); }
.calc-category.expanded .calc-toggle-btn svg { transform: rotate(180deg); }

.calc-sub-list { max-height: 0; overflow: hidden; transition: max-height 0.5s var(--ease-out-expo); background: rgba(0,0,0,0.15); }
.calc-category.expanded .calc-sub-list { max-height: 800px; }
.calc-sub-row { display: grid; grid-template-columns: 36px 1fr 80px 80px 40px; align-items: center; padding: 11px 20px 11px 32px; cursor: pointer; transition: background 0.2s ease; user-select: none; border-top: 1px solid rgba(255,255,255,0.03); }
.calc-sub-row:hover { background: rgba(255,255,255,0.02); }
.calc-sub-row .calc-row-name { font-size: 13px; color: var(--text-muted); font-weight: 500; }
.calc-sub-row .calc-row-credit, .calc-sub-row .calc-row-price { font-size: 13px; color: var(--text-dim); text-align: center; font-weight: 500; }
.calc-sub-row.selected .calc-row-name { color: var(--white); }
.calc-sub-row.selected .calc-row-credit, .calc-sub-row.selected .calc-row-price { color: var(--primary); }

.calc-check { width: 20px; height: 20px; border-radius: 6px; border: 2px solid var(--border-light); display: flex; align-items: center; justify-content: center; transition: all 0.2s ease; flex-shrink: 0; }
.calc-sub-row.selected .calc-check { border-color: var(--primary); background: var(--primary); }
.calc-sub-row.selected .calc-check::after { content: ''; width: 10px; height: 10px; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 12 12' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M2.5 6L5 8.5L9.5 3.5' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"); background-size: contain; background-repeat: no-repeat; }

/* ===== Summary ===== */
.calc-summary { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; position: sticky; top: 80px; }
.calc-summary-title { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--white); padding: 20px 24px; border-bottom: 1px solid var(--border); }
.calc-summary-head { display: grid; grid-template-columns: 1fr 80px 80px; padding: 12px 24px; font-family: var(--font-display); font-size: 11px; font-weight: 600; color: var(--text-dim); letter-spacing: 0.04em; text-transform: uppercase; border-bottom: 1px solid var(--border); }
.calc-summary-head span:not(:first-child) { text-align: center; }
.calc-summary-body { min-height: 60px; max-height: 280px; overflow-y: auto; }
.calc-summary-body::-webkit-scrollbar { width: 4px; }
.calc-summary-body::-webkit-scrollbar-track { background: transparent; }
.calc-summary-body::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
.calc-summary-empty { padding: 24px; text-align: center; font-size: 13px; color: var(--text-dim); }
.calc-summary-row { display: grid; grid-template-columns: 1fr 80px 80px; padding: 12px 24px; border-bottom: 1px solid rgba(255,255,255,0.03); animation: calcFadeIn 0.3s ease; }
@keyframes calcFadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
.calc-summary-row .sum-name { font-size: 13px; font-weight: 600; color: var(--white); font-family: var(--font-display); }
.calc-summary-row .sum-credit, .calc-summary-row .sum-price { font-size: 13px; font-weight: 600; color: var(--text-muted); text-align: center; }

.calc-total-row { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px 8px; border-top: 1px solid var(--border); }
.calc-total-label { font-family: var(--font-display); font-size: 14px; font-weight: 600; color: var(--primary); }
.calc-total-credits { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--primary); }
.calc-total-price { margin: 12px 20px 20px; padding: 20px 24px; background: var(--gradient); border-radius: 12px; font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--white); text-align: left; }
.calc-note { padding: 0 24px 20px; font-size: 11px; color: var(--text-dim); line-height: 1.5; font-style: italic; }

/* ===== Buy Button ===== */
.calc-buy-btn { display: none; align-items: center; justify-content: center; gap: 10px; width: calc(100% - 40px); margin: 0 20px 20px; padding: 16px 28px; background: var(--gradient); color: var(--white); font-family: var(--font-display); font-size: 16px; font-weight: 700; border: none; border-radius: 12px; cursor: pointer; text-decoration: none; transition: all 0.3s var(--ease-out-expo); letter-spacing: -0.01em; }
.calc-buy-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(57,178,245,0.3); }
.calc-buy-btn:active { transform: translateY(0); }
.calc-buy-btn svg { width: 20px; height: 20px; transition: transform 0.3s ease; }
.calc-buy-btn:hover svg { transform: translateX(4px); }
.calc-buy-btn.visible { display: flex; animation: calcBuyBtnIn 0.4s var(--ease-out-expo); }
@keyframes calcBuyBtnIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .calc-layout { grid-template-columns: 1fr; }
    .calc-summary { position: static; }
    .credit-scale { flex-direction: column; align-items: flex-start; gap: 14px; }
}
@media (max-width: 600px) {
    .page-container { padding: 32px 16px 60px; }
    .calc-table-head, .calc-cat-row, .calc-sub-row { grid-template-columns: 32px 1fr 60px 60px 32px; padding-left: 12px; padding-right: 12px; }
    .calc-sub-row { padding-left: 20px; }
    .calc-cat-row .calc-row-name { font-size: 13px; }
    .calc-sub-row .calc-row-name { font-size: 12px; }
    .calc-total-price { font-size: 26px; }
    .credit-scale-chip { padding: 6px 12px; }
    .chip-name { font-size: 12px; }
    .chip-credit { font-size: 11px; }
    .package-cards { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
    .package-card { padding: 12px; }
    .package-card .pkg-credits { font-size: 18px; }
    .package-card .pkg-price { font-size: 14px; }
}