/* ==========================================================================
   MyShopMetrics — Calculator Page Styles
   Shared styles for all /calculators/*/index.html pages
   Requires shared.css loaded first
   ========================================================================== */

/* ---------- Page Layout ---------- */
.calc-page {
    max-width: 720px;
    margin: 0 auto;
    padding: 28px var(--msm-side-pad) 60px;
}

/* ---------- Breadcrumb ---------- */
.calc-breadcrumb {
    font-size: 0.8rem;
    color: var(--msm-text-muted);
    margin-bottom: 16px;
}

.calc-breadcrumb a {
    color: var(--msm-accent);
}

.calc-breadcrumb a:hover {
    text-decoration: underline;
}

/* ---------- Page Header ---------- */
.calc-title {
    font-size: clamp(1.4rem, 3.5vw, 1.85rem);
    font-weight: 800;
    color: var(--msm-text);
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.calc-desc {
    color: var(--msm-text-secondary);
    font-size: 0.92rem;
    margin-bottom: 28px;
    line-height: 1.5;
}

/* ---------- Calculator Card ---------- */
.calc-card {
    background: var(--msm-bg-card);
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-lg);
    padding: 24px;
    box-shadow: var(--msm-shadow-sm);
}

/* ---------- Tabs ---------- */
.calc-tabs {
    display: flex;
    gap: 6px;
    margin-bottom: 22px;
}

.calc-tab {
    flex: 1;
    padding: 10px 8px;
    font-family: var(--msm-font);
    font-size: 0.83rem;
    font-weight: 600;
    text-align: center;
    color: var(--msm-text-secondary);
    background: var(--msm-bg-raised);
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-sm);
    cursor: pointer;
    transition: all var(--msm-transition);
}

.calc-tab:hover,
.calc-tab.active {
    color: var(--msm-accent);
    border-color: var(--msm-accent);
    background: var(--msm-accent-subtle);
}

/* ---------- Input Grid ---------- */
.calc-inputs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 18px;
}

.calc-input-group {}

.calc-input-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--msm-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.calc-input {
    width: 100%;
    padding: 11px 12px;
    font-family: var(--msm-font);
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    color: var(--msm-text);
    background: var(--msm-bg-input);
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-sm);
    outline: none;
    text-align: center;
    transition: border-color var(--msm-transition);
}

.calc-input:focus {
    border-color: var(--msm-accent);
    box-shadow: 0 0 0 2px var(--msm-accent-subtle);
}

.calc-input::placeholder {
    color: var(--msm-text-muted);
    opacity: 0.6;
}

/* Select inputs */
.calc-select {
    width: 100%;
    padding: 11px 12px;
    font-family: var(--msm-font);
    font-size: 0.92rem;
    color: var(--msm-text);
    background: var(--msm-bg-input);
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-sm);
    outline: none;
    cursor: pointer;
    transition: border-color var(--msm-transition);
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.calc-select:focus {
    border-color: var(--msm-accent);
    box-shadow: 0 0 0 2px var(--msm-accent-subtle);
}

/* ---------- Result Box ---------- */
.calc-result {
    margin-top: 18px;
    padding: 18px;
    background: var(--msm-success-subtle);
    border: 1px solid rgba(34, 197, 94, 0.25);
    border-radius: var(--msm-radius-sm);
    text-align: center;
}

.calc-result-label {
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--msm-success);
    margin-bottom: 4px;
}

.calc-result-value {
    font-size: 1.7rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
    color: var(--msm-success);
}

.calc-result-sub {
    font-size: 0.83rem;
    color: var(--msm-text-secondary);
    margin-top: 4px;
}

/* Accent result variant */
.calc-result--accent {
    background: var(--msm-accent-subtle);
    border-color: rgba(6, 182, 212, 0.25);
}

.calc-result--accent .calc-result-label,
.calc-result--accent .calc-result-value {
    color: var(--msm-accent);
}

/* ---------- Clear Button ---------- */
.calc-clear {
    display: block;
    margin: 18px auto 0;
    padding: 8px 22px;
    font-family: var(--msm-font);
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--msm-text-secondary);
    background: var(--msm-bg-raised);
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-sm);
    cursor: pointer;
    transition: all var(--msm-transition);
}

.calc-clear:hover {
    border-color: var(--msm-accent);
    color: var(--msm-accent);
}

/* ---------- Formula Note ---------- */
.calc-formula {
    margin-top: 22px;
    padding: 16px;
    background: var(--msm-bg-raised);
    border: 1px solid var(--msm-border);
    border-left: 3px solid var(--msm-accent);
    border-radius: var(--msm-radius-sm);
    font-size: 0.84rem;
    color: var(--msm-text-secondary);
    line-height: 1.7;
}

.calc-formula strong {
    color: var(--msm-text);
}

/* ---------- Unit Toggle ---------- */
.calc-unit-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 18px;
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-sm);
    overflow: hidden;
    width: fit-content;
}

.calc-unit-btn {
    padding: 7px 18px;
    font-family: var(--msm-font);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--msm-text-secondary);
    background: var(--msm-bg-raised);
    border: none;
    cursor: pointer;
    transition: all var(--msm-transition);
}

.calc-unit-btn.active {
    background: var(--msm-accent);
    color: #fff;
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
    .calc-inputs {
        grid-template-columns: 1fr;
    }

    .calc-tabs {
        flex-direction: column;
    }

    .calc-card {
        padding: 18px 14px;
    }
}

/* ---------- Multi-result grid (MRR-style calculators) ---------- */
.calc-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.calc-results-grid .calc-result {
    margin-top: 0;
}

/* ---------- Table styles (reference pages) ---------- */
.calc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    margin-top: 16px;
}

.calc-table th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--msm-text-muted);
    text-align: left;
    padding: 10px 12px;
    border-bottom: 2px solid var(--msm-border);
}

.calc-table td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--msm-border);
    color: var(--msm-text-secondary);
    font-variant-numeric: tabular-nums;
}

.calc-table tr:hover td {
    background: var(--msm-bg-raised);
}

/* ---------- Info/warning boxes ---------- */
.calc-info {
    padding: 14px 16px;
    background: var(--msm-accent-subtle);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: var(--msm-radius-sm);
    font-size: 0.85rem;
    color: var(--msm-text-secondary);
    margin-top: 16px;
}

.calc-info strong {
    color: var(--msm-accent);
}

/* ---------- Educational Content ---------- */
.calc-learn {
    max-width: 720px;
    margin: 0 auto;
    padding: 32px clamp(20px, 5vw, 60px) 0;
}

.calc-learn__section {
    margin-bottom: 28px;
}

.calc-learn__heading {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--msm-text, var(--text, #2c3e50));
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.calc-learn__text {
    font-size: 0.9rem;
    color: var(--msm-text-secondary, var(--text-secondary, #4b5563));
    line-height: 1.7;
    margin-bottom: 12px;
}

.calc-learn__list {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
}

.calc-learn__list li {
    font-size: 0.88rem;
    color: var(--msm-text-secondary, var(--text-secondary, #4b5563));
    line-height: 1.6;
    padding: 4px 0 4px 20px;
    position: relative;
}

.calc-learn__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: var(--msm-accent, var(--accent, #3b82f6));
    border-radius: 50%;
}

.calc-learn__related {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.calc-learn__related-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--msm-bg-raised, var(--bg-raised, #f8f9fa));
    border: 1px solid var(--msm-border, var(--border, #e2e8f0));
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--msm-text, var(--text, #2c3e50));
    transition: border-color 0.15s ease, color 0.15s ease;
    text-decoration: none;
}

.calc-learn__related-link:hover {
    border-color: var(--msm-accent, var(--accent, #3b82f6));
    color: var(--msm-accent, var(--accent, #3b82f6));
}

.calc-learn__related-desc {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--msm-text-muted, var(--text-muted, #9ca3af));
    display: block;
}

/* ---------- Email Capture ---------- */
.email-capture {
    max-width: 720px;
    margin: 48px auto 0;
    padding: 0 clamp(20px, 5vw, 60px);
}

.email-capture__inner {
    background: var(--msm-bg-card, #fff);
    border: 1px solid var(--msm-border, var(--border, #e2e8f0));
    border-left: 3px solid var(--msm-accent, var(--accent, #3b82f6));
    border-radius: 8px;
    padding: 28px 28px 20px;
}

.email-capture__title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--msm-text);
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

.email-capture__desc {
    font-size: 0.88rem;
    color: var(--msm-text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

.email-capture__form {
    display: flex;
    gap: 8px;
}

.email-capture__input {
    flex: 1;
    padding: 11px 14px;
    font-family: var(--msm-font);
    font-size: 0.92rem;
    color: var(--msm-text);
    background: var(--msm-bg-input);
    border: 1px solid var(--msm-border);
    border-radius: var(--msm-radius-sm);
    outline: none;
    transition: border-color var(--msm-transition);
}

.email-capture__input:focus {
    border-color: var(--msm-accent);
    box-shadow: 0 0 0 2px var(--msm-accent-subtle);
}

.email-capture__input::placeholder {
    color: var(--msm-text-muted);
}

.email-capture__btn {
    padding: 11px 24px;
    font-family: var(--msm-font);
    font-size: 0.88rem;
    font-weight: 600;
    color: #fff;
    background: var(--msm-accent);
    border: none;
    border-radius: var(--msm-radius-sm);
    cursor: pointer;
    transition: background var(--msm-transition);
    white-space: nowrap;
}

.email-capture__btn:hover {
    background: var(--msm-accent-hover);
}

.email-capture__fine {
    font-size: 0.75rem;
    color: var(--msm-text-muted);
    margin-top: 10px;
}

.email-capture__success {
    padding: 16px 0 4px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--msm-success);
}

@media (max-width: 600px) {
    .email-capture__form {
        flex-direction: column;
    }

    .email-capture__inner {
        padding: 22px 18px 16px;
    }
}