/* ============================================================
   OnlineTDS.com — Free TDS Tools (shared styles for /tool/)
   Matches the look of the existing calculator pages.
   ============================================================ */
:root {
    --t-navy: #122b63;
    --t-navy-2: #1a3d8f;
    --t-amber: #f9b319;
    --t-green: #25A032;
    --t-bg: #f6f8fc;
    --t-line: #dbe5f3;
    --t-soft: #eef4ff;
    --t-muted: #6c7b92;
    --t-text: #3a4a65;
    --t-red: #c0292a;
}

/* ── hero ── */
.tool-hero { background: linear-gradient(135deg, var(--t-navy) 0%, var(--t-navy-2) 100%); padding: 48px 0 40px; color: #fff; }
.tool-hero h1 { font-size: 36px; font-weight: 800; line-height: 1.2; margin-bottom: 12px; color: #fff !important; }
.tool-hero p { font-size: 17px; color: #c5d5f5; margin-bottom: 0; max-width: 760px; }
.tool-hero .crumbs { font-size: 13px; color: #c5d5f5; margin-bottom: 14px; }
.tool-hero .crumbs a { color: #fff; text-decoration: none; }
.tool-hero .crumbs a:hover { text-decoration: underline; }
.tool-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 30px; padding: 5px 14px; font-size: 13px; color: #fff; margin-bottom: 16px; }
.tool-badge i { color: var(--t-amber); }
.hero-stats { display: inline-flex; gap: 28px; flex-wrap: wrap; justify-content: center; }
.hero-stats .num { font-size: 28px; font-weight: 800; color: var(--t-amber); text-align: center; }
.hero-stats .lbl { font-size: 13px; color: #c5d5f5; text-align: center; }

/* ── tool area ── */
.tool-section { background: var(--t-bg); padding: 44px 0 56px; }
.tool-card { background: #fff; border-radius: 20px; box-shadow: 0 12px 40px rgba(15,23,42,0.09); padding: 36px 40px; }
.tool-card + .tool-card { margin-top: 24px; }
.tool-card-title { font-size: 21px; font-weight: 700; color: var(--t-navy); margin-bottom: 6px; }
.tool-card-sub { font-size: 15px; color: var(--t-muted); margin-bottom: 26px; }
.tool-section label, .form-label-custom { font-size: 14px; font-weight: 600; color: var(--t-text); margin-bottom: 6px; display: block; }
.tool-section .form-control, .tool-section .form-select { border-radius: 10px; border: 1.5px solid var(--t-line); font-size: 15px; min-height: 46px; color: var(--t-navy); }
.tool-section .form-select { width: 100%; max-width: 100%; min-width: 0; text-overflow: ellipsis; }
.tool-section .row > * { min-width: 0; }
.tool-section textarea.form-control { min-height: 140px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.tool-section .form-control:focus, .tool-section .form-select:focus { border-color: var(--t-navy-2); box-shadow: 0 0 0 3px rgba(26,61,143,0.12); }
.field-hint { font-size: 12px; color: var(--t-muted); margin-top: 4px; }
.btn-tool { background: var(--t-navy); color: #fff; border: none; border-radius: 12px; font-size: 16px; font-weight: 700; padding: 13px 22px; width: 100%; cursor: pointer; transition: background .2s; }
.btn-tool:hover { background: var(--t-navy-2); color: #fff; }
.btn-tool i { margin-right: 8px; }
.btn-ghost { background: #fff; color: var(--t-navy-2); border: 1.5px solid var(--t-line); border-radius: 12px; font-size: 14px; font-weight: 600; padding: 10px 16px; cursor: pointer; }
.btn-ghost:hover { background: var(--t-soft); }
.seg { display: inline-flex; background: var(--t-soft); border-radius: 12px; padding: 4px; gap: 4px; flex-wrap: wrap; }
.seg button { border: none; background: transparent; border-radius: 9px; padding: 8px 14px; font-size: 14px; font-weight: 600; color: var(--t-navy-2); cursor: pointer; }
.seg button.on { background: var(--t-navy); color: #fff; }

/* ── results ── */
.result-panel { background: #fff; border-radius: 20px; box-shadow: 0 12px 40px rgba(15,23,42,0.09); padding: 28px 30px; height: 100%; }
.result-title { font-size: 16px; font-weight: 700; color: var(--t-navy); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1.5px solid #edf2fb; }
.result-placeholder { text-align: center; padding: 40px 20px; color: #a0aec0; }
.result-placeholder i { font-size: 40px; margin-bottom: 14px; display: block; }
.metric-box { border-radius: 14px; padding: 16px; margin-bottom: 12px; text-align: center; }
.metric-box.blue { background: var(--t-soft); } .metric-box.amber { background: #fff8e6; } .metric-box.red { background: #fff1f1; } .metric-box.green { background: #e8f8ef; }
.metric-label { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 6px; }
.metric-box.blue .metric-label { color: #163f9c; } .metric-box.amber .metric-label { color: #a07000; } .metric-box.red .metric-label { color: var(--t-red); } .metric-box.green .metric-label { color: #1a7a45; }
.metric-value { font-size: 26px; font-weight: 800; color: var(--t-navy); font-variant-numeric: tabular-nums; }
.metric-box.amber .metric-value { color: #c07800; } .metric-box.red .metric-value { color: var(--t-red); } .metric-box.green .metric-value { color: #1a7a45; }
.kv { width: 100%; font-size: 14px; }
.kv td { padding: 9px 4px; border-bottom: 1px solid #edf2fb; vertical-align: top; }
.kv tr:last-child td { border-bottom: none; }
.kv td:first-child { color: var(--t-muted); width: 46%; }
.kv td:last-child { font-weight: 700; color: var(--t-navy); text-align: right; font-variant-numeric: tabular-nums; }
.kv tr.total td { font-size: 15px; color: var(--t-navy); } .kv tr.total td:last-child { color: var(--t-red); }
.note { border-radius: 10px; font-size: 13px; padding: 10px 14px; margin-top: 12px; line-height: 1.6; }
.note.warn { background: #fff8e6; color: #7a5600; border: 1px solid #f9d87a; }
.note.info { background: var(--t-soft); color: #163f9c; border: 1px solid #b5cef7; }
.note.ok { background: #e8f8ef; color: #17643a; border: 1px solid #a8e0bf; }
.note.bad { background: #fff1f1; color: #9b1c1d; border: 1px solid #f3b9b9; }
.pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 20px; white-space: nowrap; }
.pill.ok { background: #e8f8ef; color: #1a7a45; } .pill.bad { background: #fff1f1; color: var(--t-red); } .pill.warn { background: #fff8e6; color: #a07000; } .pill.info { background: var(--t-soft); color: #163f9c; } .pill.grey { background: #eef0f4; color: #5a6578; }

/* ── data tables ── */
.data-wrap { overflow-x: auto; border: 1px solid var(--t-line); border-radius: 14px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.data-table th { background: var(--t-navy); color: #fff; padding: 11px 12px; text-align: left; font-weight: 700; position: sticky; top: 0; }
.data-table td { padding: 10px 12px; border-bottom: 1px solid var(--t-line); color: #2d3748; vertical-align: top; }
.data-table tr:nth-child(even) td { background: #f9fbfe; }
.data-table tr:hover td { background: var(--t-soft); }
.data-table .code { font-weight: 800; color: var(--t-navy); font-variant-numeric: tabular-nums; font-size: 15px; }
.data-table tr.past td { color: #9aa5b8; }
.data-table tr.next td { background: #fff8e6 !important; }

/* ── SEO prose ── */
.seo-section { background: #fff; padding: 56px 0 46px; }
.seo-section .container { max-width: 960px; }
.seo-section h2 { font-size: 26px; font-weight: 800; color: var(--t-navy); margin: 30px 0 14px; }
.seo-section h2:first-child { margin-top: 0; }
.seo-section h3 { font-size: 19px; font-weight: 700; color: var(--t-navy-2); margin: 24px 0 10px; }
.seo-section p, .seo-section li { font-size: 15.5px; color: #4a5568; line-height: 1.85; }
.seo-section ul, .seo-section ol { padding-left: 22px; }
.seo-section li { margin-bottom: 6px; }
.seo-section a { color: var(--t-navy-2); font-weight: 600; }
.rate-table { width: 100%; border-collapse: collapse; margin: 16px 0 26px; font-size: 14px; }
.rate-table th { background: var(--t-navy); color: #fff; padding: 11px 13px; text-align: left; }
.rate-table td { padding: 10px 13px; border-bottom: 1px solid var(--t-line); color: #2d3748; }
.rate-table tr:nth-child(even) td { background: var(--t-bg); }
.table-scroll { overflow-x: auto; }
.verify-box { background: #fff8e6; border-left: 4px solid var(--t-amber); border-radius: 8px; padding: 14px 18px; font-size: 14px; color: #6b4e00; margin: 18px 0; line-height: 1.7; }
.soft-cta { background: var(--t-soft); border: 1px solid #b5cef7; border-radius: 14px; padding: 18px 22px; margin: 24px 0; display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.soft-cta p { margin: 0; color: var(--t-navy); font-weight: 600; }
.soft-cta a.go { background: var(--t-green); color: #fff !important; border-radius: 10px; padding: 10px 18px; text-decoration: none; font-weight: 700; white-space: nowrap; }

/* ── FAQ ── */
.faq-section { background: var(--t-bg); padding: 56px 0; }
.faq-section .container { max-width: 960px; }
.faq-section h2 { font-size: 28px; font-weight: 800; color: var(--t-navy); margin-bottom: 26px; }
.faq-section details { background: #fff; border: 1px solid var(--t-line); border-radius: 12px; margin-bottom: 10px; padding: 0 20px; }
.faq-section summary { font-weight: 700; font-size: 15.5px; color: var(--t-navy); padding: 16px 0; cursor: pointer; list-style: none; position: relative; padding-right: 26px; }
.faq-section summary::-webkit-details-marker { display: none; }
.faq-section summary::after { content: "+"; position: absolute; right: 0; top: 13px; font-size: 22px; color: var(--t-navy-2); }
.faq-section details[open] summary::after { content: "–"; }
.faq-section details p { font-size: 14.5px; color: #4a5568; line-height: 1.8; padding-bottom: 16px; margin: 0; }

/* ── related tools ── */
.related-tools { background: #fff; padding: 46px 0; }
.related-tools h2 { font-size: 24px; font-weight: 800; color: var(--t-navy); margin-bottom: 20px; }
.rt-card { display: block; background: var(--t-bg); border: 1px solid var(--t-line); border-radius: 16px; padding: 20px; height: 100%; text-decoration: none; transition: transform .15s, box-shadow .15s; }
.rt-card:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(15,23,42,.08); }
.rt-card i { font-size: 22px; color: var(--t-navy-2); margin-bottom: 12px; display: block; }
.rt-card h3 { font-size: 16px; font-weight: 700; color: var(--t-navy); margin-bottom: 6px; }
.rt-card p { font-size: 13px; color: var(--t-muted); margin: 0; line-height: 1.6; }

/* ── big CTA ── */
.tool-cta { background: var(--t-navy); padding: 56px 0; }
.tool-cta h2 { font-size: 30px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.tool-cta p { font-size: 16.5px; color: #c5d5f5; margin-bottom: 0; }
.tool-cta .chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.tool-cta .chip { font-size: 12.5px; color: #c5d5f5; background: rgba(255,255,255,.1); border-radius: 20px; padding: 6px 12px; }
.tool-cta .chip i { color: var(--t-amber); margin-right: 6px; }
.cta-btns { display: flex; flex-direction: column; gap: 12px; }
.cta-btns a { display: block; text-align: center; border-radius: 12px; padding: 14px 20px; font-weight: 700; font-size: 16px; text-decoration: none; }
.cta-btns .primary { background: var(--t-green); color: #fff; }
.cta-btns .primary:hover { background: #1d7a28; color: #fff; }
.cta-btns .secondary { background: #fff; color: var(--t-navy); }
.cta-btns .tertiary { color: var(--t-amber); border: 1.5px solid rgba(249,179,25,.5); }

/* ── whatsapp ── */
.whatsapp_btn { position: fixed; bottom: 24px; right: 24px; z-index: 999; }
.w_btn { background: #25D366; color: #fff; width: 54px; height: 54px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; box-shadow: 0 4px 16px rgba(37,211,102,0.4); text-decoration: none; }
.w_btn:hover { color: #fff; }

@media (max-width: 767px) {
    .tool-hero { padding: 32px 0 28px; }
    .tool-hero h1 { font-size: 25px; }
    .tool-hero p { font-size: 15.5px; }
    .tool-card { padding: 22px 16px; border-radius: 16px; }
    .result-panel { padding: 22px 16px; }
    .metric-value { font-size: 22px; }
    .seo-section h2 { font-size: 22px; }
    .tool-cta h2 { font-size: 24px; }
    .kv td:first-child { width: 50%; }
}
@media print {
    .top_header, .header, .tool-cta, .related-tools, .footer, .whatsapp_btn, .faq-section { display: none !important; }
}