/* Internet speed calculator. Scoped to .sp-page; light theme to match the site layout. */
.sp-page {
    --text: #151821; --muted: #5f6776; --border: #e0e4eb; --soft: #f3f5f9; --surface: #fff;
    --dl: #2563eb; --ul: #7c3aed; --good: #15803d; --good-bg: #dcfce7; --warn: #b45309; --warn-bg: #fff7ed; --bad: #b91c1c; --bad-bg: #fee2e2;
    max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px; color: var(--text);
    font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.sp-page h1, .sp-page h2, .sp-page h3, .sp-page h4 { font-family: inherit; color: var(--text); letter-spacing: -.01em; }
.sp-hero h1 { font-size: clamp(28px, 4.5vw, 38px); line-height: 1.15; margin: 4px 0 10px; }
.sp-hero p { max-width: 760px; color: var(--muted); font-size: 17px; margin: 0; }
.sp-eyebrow { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 0; }
.sp-card { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 20px; box-shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 4px 16px rgba(16, 24, 40, .06); }
.sp-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 20px; margin-top: 20px; align-items: start; }
@media (max-width: 860px) { .sp-layout { grid-template-columns: minmax(0, 1fr); } }
.sp-results { position: sticky; top: 16px; }
@media (max-width: 860px) { .sp-results { position: static; } }

.sp-inputs h2 { font-size: 18px; margin: 22px 0 10px; display: flex; align-items: center; gap: 8px; }
.sp-inputs h2:first-child { margin-top: 0; }
.sp-inputs h2 span { width: 26px; height: 26px; border-radius: 50%; background: var(--dl); color: #fff; font-size: 14px; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.sp-inputs h2 small { font-weight: 400; color: var(--muted); font-size: 14px; }
.sp-hint { color: var(--muted); font-size: 13px; margin: 6px 0; }
.sp-presets { display: flex; flex-wrap: wrap; gap: 8px; }
.sp-chip { font: inherit; font-size: 14px; border: 1px solid var(--border); background: var(--soft); color: var(--text); border-radius: 999px; padding: 7px 14px; cursor: pointer; }
.sp-chip[aria-pressed="true"] { background: var(--dl); border-color: var(--dl); color: #fff; }

.sp-activities { display: grid; gap: 8px; }
.sp-act { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; }
.sp-act.on { border-color: #bfd3fb; background: #f7faff; }
.sp-act-name strong { display: block; font-size: 15px; }
.sp-act-name small { color: var(--muted); font-size: 12px; }
.sp-stepper { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; background: #fff; }
.sp-stepper button { border: 0; background: var(--soft); width: 34px; height: 34px; font-size: 18px; cursor: pointer; color: var(--text); }
.sp-stepper input { width: 44px; height: 34px; border: 0; text-align: center; font: 600 15px system-ui, sans-serif; -moz-appearance: textfield; }
.sp-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; }
.sp-when { grid-column: 1 / -1; font: inherit; font-size: 13px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); }
.sp-when:disabled { opacity: .5; }

.sp-details { margin-top: 12px; border: 1px solid var(--border); border-radius: 12px; padding: 10px 12px; }
.sp-details summary { cursor: pointer; font-weight: 600; }
.sp-rates { display: grid; gap: 6px; margin-top: 8px; }
.sp-rate { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; align-items: center; font-size: 13px; }
.sp-rate input { width: 64px; font: inherit; padding: 4px 6px; border: 1px solid var(--border); border-radius: 6px; }
.sp-link-btn { margin-top: 8px; border: 0; background: none; color: var(--dl); text-decoration: underline; cursor: pointer; font: inherit; font-size: 13px; padding: 0; }

.sp-current { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; }
.sp-current label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.sp-current input { width: 130px; font: inherit; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); }
.sp-btn-secondary { font: inherit; font-size: 14px; border: 1px solid var(--border); background: var(--soft); border-radius: 10px; padding: 8px 12px; cursor: pointer; color: var(--text); }

.sp-rec { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 8px 0; }
.sp-rec div { background: var(--soft); border-radius: 12px; padding: 12px 14px; }
.sp-rec b { display: block; font-size: 36px; line-height: 1.1; font-variant-numeric: tabular-nums; }
.sp-rec div:first-child b { color: var(--dl); }
.sp-rec div:last-child b { color: var(--ul); }
.sp-rec span { color: var(--muted); font-size: 13px; }
.sp-verdict { border-radius: 12px; padding: 10px 12px; margin: 10px 0; font-size: 14px; }
.sp-verdict[hidden] { display: none; }
.sp-verdict strong, .sp-verdict span { display: block; }
.sp-verdict span + span { margin-top: 2px; }
.sp-verdict[data-state="good"] { background: var(--good-bg); color: var(--good); }
.sp-verdict[data-state="warn"] { background: var(--warn-bg); color: var(--warn); }
.sp-verdict[data-state="bad"] { background: var(--bad-bg); color: var(--bad); }
.sp-results h3 { font-size: 15px; margin: 18px 0 8px; }
.sp-legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--muted); }
.sp-legend span::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.sp-legend .d::before { background: #93b4f5; }
.sp-legend .u::before { background: var(--ul); height: 3px; vertical-align: 3px; }
.sp-legend .p::before { background: var(--dl); }
.sp-chart { display: block; width: 100%; height: auto; margin-top: 6px; }
.sp-chart .sp-bar { fill: #93b4f5; }
.sp-chart .sp-bar.peak { fill: var(--dl); }
.sp-chart .sp-upline { fill: none; stroke: var(--ul); stroke-width: 2; stroke-linejoin: round; }
.sp-chart .sp-grid { stroke: var(--border); stroke-width: 1; }
.sp-chart .sp-axis { fill: var(--muted); font-size: 10px; font-family: system-ui, sans-serif; }
.sp-break { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 10px; }
@media (max-width: 480px) { .sp-break { grid-template-columns: 1fr; } }
.sp-break h4 { font-size: 13px; margin: 0 0 6px; color: var(--muted); font-weight: 600; }
.sp-break-row { position: relative; display: flex; justify-content: space-between; gap: 6px; font-size: 12px; padding: 4px 0 6px; }
.sp-break-row i { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--dl); border-radius: 2px; }
#sp-break-up .sp-break-row i { background: var(--ul); }
.sp-advice { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sp-adv { border-left: 4px solid var(--border); background: var(--soft); border-radius: 0 10px 10px 0; padding: 9px 12px; font-size: 13px; }
.sp-adv strong { display: block; font-size: 14px; }
.sp-adv span { color: var(--muted); display: block; }
.sp-adv a { display: inline-block; margin-top: 4px; color: var(--dl); font-weight: 600; text-decoration: none; }
.sp-adv.good { border-left-color: var(--good); }
.sp-adv.warn { border-left-color: var(--warn); }
.sp-adv.bad { border-left-color: var(--bad); }
.sp-adv.info { border-left-color: var(--dl); }
.sp-table-wrap { overflow-x: auto; }
.sp-table { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
.sp-table th, .sp-table td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.sp-table th { color: var(--muted); font-weight: 600; font-size: 12px; }

.sp-content { margin-top: 20px; }
.sp-content h2 { font-size: 20px; margin: 18px 0 8px; }
.sp-content h2:first-child { margin-top: 0; }
.sp-content a, .sp-links a { color: var(--dl); }
.sp-faq details { border-top: 1px solid var(--border); padding: 10px 0; }
.sp-faq details:last-of-type { border-bottom: 1px solid var(--border); }
.sp-faq summary { cursor: pointer; font-weight: 600; }
.sp-faq p { color: var(--muted); margin: 6px 0 0; }
.sp-links { font-size: 13px; color: var(--muted); margin-top: 16px; }

/* Quick / detailed modes */
.sp-mode { display: inline-flex; flex-wrap: wrap; max-width: 100%; background: var(--soft); border: 1px solid var(--border); border-radius: 12px; padding: 3px; margin-bottom: 16px; }
.sp-mode button { font: inherit; font-size: 14px; font-weight: 600; border: 0; background: none; color: var(--muted); padding: 7px 14px; border-radius: 9px; cursor: pointer; }
.sp-mode button[aria-selected="true"] { background: #fff; color: var(--text); box-shadow: 0 1px 3px rgba(16, 24, 40, .12); }
.sp-inputs:not([data-mode="detailed"]) .sp-h-current > span, .sp-inputs:not([data-mode="detailed"]) .sp-h-plan > span { display: none; }
.sp-h-current em { font-style: normal; }
.sp-inputs[data-mode="handle"] .sp-h-current small { display: none; }
.sp-quick { border-bottom: 1px solid var(--border); padding-bottom: 14px; margin-bottom: 4px; }
.sp-q-progress { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); font-weight: 600; }
.sp-q-bar { flex: 1; height: 6px; background: var(--soft); border-radius: 3px; overflow: hidden; }
.sp-q-bar i { display: block; height: 100%; width: 0; background: var(--dl); border-radius: 3px; transition: width .25s ease; }
.sp-inputs h2.sp-q-title { font-size: 20px; margin: 14px 0 4px; display: block; outline: none; }
.sp-q-options { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; margin-top: 10px; }
.sp-q-opt { font: inherit; font-size: 15px; text-align: left; border: 1px solid var(--border); background: #fff; color: var(--text); border-radius: 12px; padding: 12px 14px; cursor: pointer; min-height: 48px; }
.sp-q-opt:hover { border-color: #bfd3fb; background: #f7faff; }
.sp-q-opt[aria-pressed="true"] { border-color: var(--dl); background: #eef4ff; box-shadow: inset 0 0 0 1px var(--dl); font-weight: 600; }
.sp-q-check { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; margin-top: 6px; cursor: pointer; }
.sp-q-check input { width: 18px; height: 18px; }
.sp-q-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 14px; }
.sp-q-nav button:disabled { opacity: .45; cursor: default; }
.sp-btn-primary { font: inherit; font-size: 14px; font-weight: 600; border: 1px solid var(--dl); background: var(--dl); color: #fff; border-radius: 10px; padding: 8px 16px; cursor: pointer; }
.sp-q-done { padding-top: 2px; }
.sp-q-note { margin-top: 12px; }
.sp-devices { display: grid; gap: 4px; margin-top: 16px; font-weight: 600; font-size: 14px; }
.sp-devices select { font: inherit; font-weight: 400; max-width: 260px; padding: 7px 8px; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); }

/* Three levels */
.sp-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin: 4px 0 10px; }
.sp-level { border: 1px solid var(--border); border-radius: 12px; padding: 9px 10px; position: relative; }
.sp-level.main { border-color: var(--dl); background: #f7faff; }
.sp-level.yours::after { content: "You"; position: absolute; top: -9px; right: 8px; background: var(--good); color: #fff; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 999px; }
.sp-level-name { display: block; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.sp-level b { display: block; font-size: 18px; margin: 2px 0; font-variant-numeric: tabular-nums; white-space: nowrap; }
.sp-level b i { font-style: normal; font-size: 13px; color: var(--muted); margin-left: 1px; }
.sp-level small { display: block; color: var(--muted); font-size: 12px; line-height: 1.35; }
@media (max-width: 420px) { .sp-levels { grid-template-columns: minmax(0, 1fr); } .sp-level b { display: inline-block; margin-right: 6px; } }

@media (max-width: 480px) { .sp-mode { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; box-sizing: border-box; } .sp-mode button { padding: 7px 4px; font-size: 13px; line-height: 1.25; } }
.sp-verdict[data-state="info"] { background: #eef4ff; color: #1e40af; }

/* Check my speed */
.sp-handle { margin-top: 6px; }
.sp-handle h3 { font-size: 16px; margin: 18px 0 8px; }
.sp-alone { display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr)); gap: 8px; }
.sp-alone-item { background: var(--soft); border-radius: 12px; padding: 10px 12px; }
.sp-alone-item b { display: block; font-size: 26px; line-height: 1.1; color: var(--dl); font-variant-numeric: tabular-nums; }
.sp-alone-item span { display: block; font-size: 13px; }
.sp-alone-item small { display: block; font-size: 11px; color: var(--muted); }
.sp-alone-item.none b { color: var(--bad); }
.sp-alone-note { grid-column: 1 / -1; margin: 2px 0 0; }
.sp-mix { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 10px; }
@media (max-width: 560px) { .sp-mix { grid-template-columns: minmax(0, 1fr); } }
.sp-mix-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 6px 8px 6px 10px; border: 1px solid var(--border); border-radius: 10px; font-size: 14px; }
.sp-mix-row.on { border-color: #bfd3fb; background: #f7faff; }
.sp-mix-row .sp-stepper button { width: 30px; height: 30px; }
.sp-mix-row .sp-stepper input { width: 36px; height: 30px; }
.sp-meters { display: grid; gap: 10px; margin-top: 14px; }
.sp-meter-top { display: flex; justify-content: space-between; font-size: 13px; color: var(--muted); }
.sp-meter-top b { color: var(--text); font-variant-numeric: tabular-nums; }
.sp-meter-bar { position: relative; height: 12px; background: var(--soft); border-radius: 6px; margin-top: 4px; overflow: hidden; }
.sp-meter-bar i { position: absolute; left: 0; top: 0; bottom: 0; background: var(--dl); border-radius: 6px; transition: width .2s ease; }
.sp-meter.u .sp-meter-bar i { background: var(--ul); }
.sp-meter.tight .sp-meter-bar i { background: #f59e0b; }
.sp-meter.over .sp-meter-bar i { background: var(--bad); }
.sp-meter-bar em { position: absolute; top: 0; bottom: 0; width: 2px; background: rgba(21, 24, 33, .35); }
.sp-mix-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 10px; }
.sp-mix-actions .sp-link-btn { margin-top: 0; }

/* Am I overpaying? */
.sp-plan-grid { display: grid; grid-template-columns: auto repeat(3, minmax(0, 1fr)); gap: 8px 10px; align-items: end; }
.sp-plan-grid label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.sp-plan-grid input, .sp-plan-grid select { font: inherit; width: 100%; min-width: 0; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); background: #fff; box-sizing: border-box; }
.sp-plan-row { font-size: 14px; font-weight: 600; padding-bottom: 9px; }
.sp-money { display: flex; }
.sp-money select { width: auto; flex: none; border-radius: 8px 0 0 8px; border-right: 0; padding: 8px 4px; }
.sp-money input { border-radius: 0 8px 8px 0; }
@media (max-width: 560px) {
    .sp-plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sp-plan-row { grid-column: 1 / -1; padding: 6px 0 0; }
    .sp-plan-grid label:has(.sp-money), .sp-plan-grid label:nth-of-type(6) { grid-column: 1 / -1; }
}

/* Share and print */
.sp-shared { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 12px; background: #eef4ff; color: #1e40af; border-radius: 10px; padding: 8px 12px; font-size: 14px; margin-bottom: 12px; }
.sp-shared .sp-link-btn { margin: 0; }
.sp-shared[hidden] { display: none; }
.sp-share { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }
.sp-share-msg { font-size: 13px; color: var(--good); font-weight: 600; flex-basis: 100%; }
.sp-share-msg:empty { display: none; }
.sp-share-url { width: 100%; font: inherit; font-size: 12px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; color: var(--text); box-sizing: border-box; }
.sp-print-only { display: none; }
@media print {
    body header:not(.sp-hero), body nav, body footer, .navbar { display: none !important; }
    .sp-page { padding: 0; max-width: none; font-size: 12px; }
    .sp-hero, .sp-inputs, .sp-content, .sp-guides, .sp-share, .sp-no-print, .sp-shared { display: none !important; }
    .sp-layout { display: block; margin: 0; }
    .sp-card { box-shadow: none; border: 0; padding: 0; }
    .sp-results { position: static; }
    .sp-print-only { display: block; margin-bottom: 10px; }
    .sp-print-only h2 { font-size: 20px; margin: 0 0 2px; }
    .sp-print-only p { margin: 2px 0; }
    .sp-page * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .sp-rec div, .sp-level, .sp-verdict, .sp-adv { break-inside: avoid; }
    .sp-chart { max-height: 180px; }
    .sp-adv a { display: none; }
}

/* Guides */
.sp-guides { margin-top: 20px; }
.sp-guides h2 { font-size: 14px; margin: 0 0 10px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.sp-guide-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.sp-guide-cards a { display: block; border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; text-decoration: none; color: var(--text); background: #fff; }
.sp-guide-cards a:hover { border-color: #bfd3fb; background: #f7faff; }
.sp-guide-cards strong { display: block; font-size: 15px; color: var(--dl); }
.sp-guide-cards span { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }