.ctts-app {
    --ctts-navy: #17384b;
    --ctts-blue: #24556f;
    --ctts-sky: #eaf3f6;
    --ctts-ink: #162832;
    --ctts-muted: #607682;
    --ctts-line: #d8e2e7;
    --ctts-bg: #f5f8f9;
    --ctts-white: #fff;
    --ctts-green: #15745b;
    --ctts-green-bg: #eaf7f2;
    --ctts-amber: #9b650c;
    --ctts-amber-bg: #fff7e5;
    --ctts-red: #aa3d3d;
    --ctts-red-bg: #fceded;
    color: var(--ctts-ink);
    font-family: inherit;
    line-height: 1.6;
    margin: 1.5rem auto 3.5rem;
    max-width: 1180px;
}

.ctts-app *,
.ctts-app *::before,
.ctts-app *::after { box-sizing: border-box; }
.ctts-app button,
.ctts-app input,
.ctts-app select { font: inherit; }
.ctts-app button { cursor: pointer; }
.ctts-app [hidden] { display: none !important; }
.ctts-app h2,
.ctts-app h3,
.ctts-app h4 { color: var(--ctts-ink); line-height: 1.2; margin-top: 0; }

.ctts-tool {
    background: var(--ctts-white);
    border: 1px solid var(--ctts-line);
    border-radius: 18px;
    box-shadow: 0 18px 45px rgba(23, 56, 75, .08);
    overflow: hidden;
}

.ctts-hero {
    align-items: flex-start;
    background: linear-gradient(135deg, #f7fafb 0%, #eaf3f6 100%);
    border-bottom: 1px solid var(--ctts-line);
    display: flex;
    gap: 32px;
    justify-content: space-between;
    padding: 44px 48px 38px;
}
.ctts-hero-copy { max-width: 760px; }
.ctts-eyebrow,
.ctts-kicker {
    color: var(--ctts-blue);
    display: block;
    font-size: .73rem;
    font-weight: 800;
    letter-spacing: .11em;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.ctts-hero h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); margin-bottom: 13px; }
.ctts-hero p { color: var(--ctts-muted); font-size: 1.04rem; margin: 0; max-width: 720px; }
.ctts-local-badge {
    align-items: center;
    background: rgba(255,255,255,.82);
    border: 1px solid #c8dadf;
    border-radius: 12px;
    color: var(--ctts-green);
    display: flex;
    flex: 0 0 auto;
    gap: 10px;
    padding: 11px 14px;
}
.ctts-local-badge > span:first-child {
    align-items: center;
    background: var(--ctts-green-bg);
    border-radius: 50%;
    display: flex;
    font-weight: 900;
    height: 28px;
    justify-content: center;
    width: 28px;
}
.ctts-local-badge strong,
.ctts-local-badge small { display: block; line-height: 1.3; }
.ctts-local-badge strong { font-size: .84rem; }
.ctts-local-badge small { color: var(--ctts-muted); font-size: .7rem; }

.ctts-mode-picker {
    display: grid;
    gap: 14px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 30px 48px 0;
}
.ctts-mode-picker button {
    align-items: center;
    background: #fff;
    border: 1px solid var(--ctts-line);
    border-radius: 12px;
    color: var(--ctts-ink);
    display: flex;
    gap: 12px;
    min-height: 76px;
    padding: 14px 17px;
    text-align: left;
    transition: .2s ease;
}
.ctts-mode-picker button:hover { border-color: var(--ctts-blue); transform: translateY(-1px); }
.ctts-mode-picker button.is-active { background: var(--ctts-navy); border-color: var(--ctts-navy); color: #fff; }
.ctts-mode-picker strong,
.ctts-mode-picker small { display: block; line-height: 1.35; }
.ctts-mode-picker small { color: var(--ctts-muted); font-size: .76rem; margin-top: 2px; }
.ctts-mode-picker .is-active small { color: #c8d9e2; }
.ctts-mode-number {
    align-items: center;
    background: var(--ctts-sky);
    border-radius: 50%;
    color: var(--ctts-blue);
    display: flex;
    flex: 0 0 34px;
    font-weight: 800;
    height: 34px;
    justify-content: center;
}
.ctts-mode-picker .is-active .ctts-mode-number { background: rgba(255,255,255,.15); color: #fff; }

.ctts-mode-panel { padding: 24px 48px 40px; }
.ctts-upload-card {
    align-items: center;
    background: var(--ctts-bg);
    border: 2px dashed #9db5c0;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    min-height: 300px;
    justify-content: center;
    padding: 36px 28px;
    text-align: center;
    transition: .2s ease;
}
.ctts-upload-card:hover,
.ctts-upload-card.is-dragging { background: #edf6f8; border-color: var(--ctts-blue); }
.ctts-file-input { height: 1px; opacity: 0; overflow: hidden; position: absolute; width: 1px; }
.ctts-upload-icon {
    align-items: center;
    background: #e7eff2;
    border-radius: 50%;
    display: flex;
    height: 64px;
    justify-content: center;
    margin-bottom: 16px;
    width: 64px;
}
.ctts-upload-icon svg { fill: none; height: 31px; stroke: var(--ctts-blue); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; width: 31px; }
.ctts-upload-card h3 { font-size: 1.25rem; margin-bottom: 5px; }
.ctts-upload-card p { color: var(--ctts-muted); margin: 0 0 17px; }
.ctts-upload-card small { color: var(--ctts-muted); display: block; font-size: .75rem; margin-top: 13px; }
.ctts-privacy-line { color: var(--ctts-muted); font-size: .76rem; margin-top: 12px; text-align: center; }
.ctts-manual-intro { align-items: center; background: var(--ctts-bg); border: 1px solid var(--ctts-line); border-radius: 14px; display: flex; flex-direction: column; min-height: 245px; justify-content: center; padding: 36px; text-align: center; }
.ctts-manual-intro h3 { margin-bottom: 7px; }
.ctts-manual-intro p { color: var(--ctts-muted); margin: 0 0 18px; }

.ctts-button {
    align-items: center;
    border: 1px solid transparent;
    border-radius: 8px;
    display: inline-flex;
    font-size: .87rem;
    font-weight: 700;
    justify-content: center;
    line-height: 1.2;
    min-height: 44px;
    padding: 11px 18px;
    text-decoration: none !important;
    transition: .18s ease;
}
.ctts-button:hover { transform: translateY(-1px); }
.ctts-button-primary { background: var(--ctts-navy); color: #fff !important; }
.ctts-button-primary:hover { background: #0f2d3d; }
.ctts-button-secondary { background: var(--ctts-blue); color: #fff !important; }
.ctts-button-ghost { background: #fff; border-color: var(--ctts-line); color: var(--ctts-navy) !important; }
.ctts-button-light { background: #fff; color: var(--ctts-navy) !important; }
.ctts-text-button { background: transparent; border: 0; color: var(--ctts-blue); font-size: .82rem; font-weight: 700; padding: 5px; text-decoration: underline; }

.ctts-status {
    border-radius: 10px;
    font-size: .86rem;
    margin: 0 48px 28px;
    padding: 12px 15px;
}
.ctts-status.is-loading { background: var(--ctts-sky); color: var(--ctts-blue); }
.ctts-status.is-success { background: var(--ctts-green-bg); color: var(--ctts-green); }
.ctts-status.is-warning { background: var(--ctts-amber-bg); color: var(--ctts-amber); }
.ctts-status.is-error { background: var(--ctts-red-bg); color: var(--ctts-red); }

.ctts-form { border-top: 1px solid var(--ctts-line); padding: 36px 48px 44px; }
.ctts-form-heading,
.ctts-result-heading {
    align-items: flex-start;
    display: flex;
    gap: 20px;
    justify-content: space-between;
    margin-bottom: 22px;
}
.ctts-form-heading h3,
.ctts-result-heading h3 { font-size: 1.5rem; margin: 0; }
.ctts-source-pill { background: var(--ctts-sky); border-radius: 999px; color: var(--ctts-blue); flex: 0 0 auto; font-size: .73rem; font-weight: 800; padding: 7px 12px; }
.ctts-detected { align-items: center; background: var(--ctts-green-bg); border: 1px solid #bfe1d6; border-radius: 10px; color: var(--ctts-green); display: flex; justify-content: space-between; margin-bottom: 24px; padding: 12px 15px; }
.ctts-detected strong,
.ctts-detected span { display: block; }
.ctts-detected span { color: var(--ctts-muted); font-size: .76rem; }
.ctts-form fieldset { border: 0; border-top: 1px solid var(--ctts-line); margin: 0; padding: 26px 0 30px; }
.ctts-form legend { color: var(--ctts-navy); font-size: .93rem; font-weight: 800; padding: 0 14px 0 0; }
.ctts-field-grid { display: grid; gap: 20px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.ctts-field { display: block; }
.ctts-field-wide { grid-column: 1 / -1; }
.ctts-field > span:first-child { color: var(--ctts-ink); display: block; font-size: .83rem; font-weight: 700; margin-bottom: 6px; }
.ctts-field input,
.ctts-field select {
    background: #fff;
    border: 1px solid #bdccd3;
    border-radius: 8px;
    color: var(--ctts-ink);
    height: 46px;
    outline: 0;
    padding: 8px 11px;
    width: 100%;
}
.ctts-field input:focus,
.ctts-field select:focus { border-color: var(--ctts-blue); box-shadow: 0 0 0 3px rgba(36,85,111,.12); }
.ctts-field small { color: var(--ctts-muted); display: block; font-size: .72rem; line-height: 1.35; margin-top: 5px; }
.ctts-input-money,
.ctts-input-percent { display: block; position: relative; }
.ctts-input-money input,
.ctts-input-percent input { padding-right: 38px; }
.ctts-input-money b,
.ctts-input-percent b { color: var(--ctts-muted); font-size: .82rem; position: absolute; right: 13px; top: 11px; }
.ctts-check { align-items: flex-start; display: flex; gap: 10px; padding-top: 4px; }
.ctts-check input { flex: 0 0 18px; height: 18px; margin-top: 3px; width: 18px; }
.ctts-check strong,
.ctts-check small { display: block; }
.ctts-check strong { font-size: .82rem; }
.ctts-check small { color: var(--ctts-muted); font-size: .72rem; margin-top: 2px; }
.ctts-advanced { background: var(--ctts-bg); border: 1px solid var(--ctts-line); border-radius: 11px; margin: 0 0 28px; }
.ctts-advanced summary { color: var(--ctts-navy); cursor: pointer; font-size: .86rem; font-weight: 800; padding: 15px 17px; }
.ctts-advanced[open] summary { border-bottom: 1px solid var(--ctts-line); }
.ctts-advanced .ctts-field-grid { padding: 20px; }
.ctts-form-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.ctts-results { background: #f8fafb; border-top: 1px solid var(--ctts-line); padding: 40px 48px 48px; }
.ctts-result-heading p { color: var(--ctts-muted); margin: 7px 0 0; max-width: 720px; }
.ctts-result-actions { display: flex; flex: 0 0 auto; gap: 8px; }
.ctts-alerts { display: grid; gap: 9px; margin-bottom: 18px; }
.ctts-alert { border-radius: 9px; font-size: .8rem; padding: 10px 13px; }
.ctts-alert.is-warning { background: var(--ctts-amber-bg); color: #755018; }
.ctts-alert.is-danger { background: var(--ctts-red-bg); color: #7d3030; }
.ctts-alert.is-info { background: var(--ctts-sky); color: var(--ctts-blue); }
.ctts-scenario-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 18px; }
.ctts-scenario {
    background: #fff;
    border: 1px solid var(--ctts-line);
    border-radius: 12px;
    min-width: 0;
    overflow: hidden;
    padding: 20px;
    position: relative;
}
.ctts-scenario.is-best { border-color: #73b49f; box-shadow: 0 10px 24px rgba(21,116,91,.1); }
.ctts-best-label { background: var(--ctts-green); border-radius: 0 0 0 8px; color: #fff; font-size: .65rem; font-weight: 800; letter-spacing: .05em; padding: 5px 9px; position: absolute; right: 0; text-transform: uppercase; top: 0; }
.ctts-scenario h4 { font-size: 1rem; margin-bottom: 12px; }
.ctts-scenario-value { color: var(--ctts-navy); font-size: clamp(1.45rem, 2.5vw, 2rem); font-weight: 850; letter-spacing: -.03em; line-height: 1; }
.ctts-scenario-caption { color: var(--ctts-muted); display: block; font-size: .7rem; margin: 5px 0 14px; }
.ctts-scenario dl { border-top: 1px solid var(--ctts-line); margin: 0; padding-top: 10px; }
.ctts-scenario dl div { display: flex; font-size: .75rem; gap: 9px; justify-content: space-between; padding: 4px 0; }
.ctts-scenario dt { color: var(--ctts-muted); }
.ctts-scenario dd { font-weight: 700; margin: 0; text-align: right; }
.ctts-scenario-note { background: var(--ctts-bg); border-radius: 6px; color: var(--ctts-muted); font-size: .68rem; line-height: 1.35; margin-top: 10px; padding: 7px 8px; }
.ctts-comparison-card { background: #fff; border: 1px solid var(--ctts-line); border-radius: 12px; margin-bottom: 18px; padding: 20px; }
.ctts-card-heading { align-items: flex-start; display: flex; justify-content: space-between; margin-bottom: 15px; }
.ctts-card-heading span { color: var(--ctts-muted); display: block; font-size: .67rem; }
.ctts-card-heading h4 { font-size: .98rem; margin: 1px 0 0; }
.ctts-bars { display: grid; gap: 12px; }
.ctts-bar-row { align-items: center; display: grid; gap: 12px; grid-template-columns: 110px minmax(0, 1fr) 112px; }
.ctts-bar-label { font-size: .76rem; font-weight: 700; }
.ctts-bar-track { background: #edf1f3; border-radius: 999px; height: 13px; overflow: hidden; }
.ctts-bar-fill { background: var(--ctts-blue); border-radius: inherit; height: 100%; min-width: 2px; }
.ctts-bar-row.is-best .ctts-bar-fill { background: var(--ctts-green); }
.ctts-bar-value { font-size: .76rem; font-weight: 800; text-align: right; }
.ctts-detail-grid { display: grid; gap: 18px; grid-template-columns: 1.35fr .85fr; }
.ctts-detail-grid > .ctts-comparison-card { margin-bottom: 0; }
.ctts-table-wrap,
.ctts-responsive-table { overflow-x: auto; }
.ctts-table,
.ctts-responsive-table table { border-collapse: collapse; font-size: .76rem; min-width: 650px; width: 100%; }
.ctts-table th,
.ctts-table td,
.ctts-responsive-table th,
.ctts-responsive-table td { border-bottom: 1px solid var(--ctts-line); padding: 9px 10px; text-align: right; }
.ctts-table th:first-child,
.ctts-table td:first-child,
.ctts-responsive-table th:first-child,
.ctts-responsive-table td:first-child { text-align: left; }
.ctts-table th,
.ctts-responsive-table th { background: var(--ctts-bg); color: var(--ctts-navy); font-weight: 800; }
.ctts-reading { color: var(--ctts-muted); font-size: .78rem; }
.ctts-reading p { margin: 0 0 10px; }
.ctts-reading strong { color: var(--ctts-ink); }
.ctts-method-box { background: #eef3f5; border-radius: 10px; color: var(--ctts-muted); font-size: .72rem; line-height: 1.45; margin-top: 18px; padding: 13px 15px; }
.ctts-disclaimer { background: #fff; border-top: 1px solid var(--ctts-line); color: var(--ctts-muted); font-size: .7rem; padding: 15px 48px; text-align: center; }

.ctts-editorial { color: #263a44; margin: 64px auto 0; max-width: 940px; }
.ctts-editorial h2 { font-size: clamp(1.45rem, 2.6vw, 2rem); margin: 2.2em 0 .65em; }
.ctts-editorial h3 { font-size: 1.2rem; margin: 1.7em 0 .45em; }
.ctts-editorial p { margin: 0 0 1.1em; }
.ctts-editorial-intro { text-align: center; }
.ctts-editorial-intro h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); margin: .2em 0 .5em; }
.ctts-lead { color: var(--ctts-muted); font-size: 1.08rem; }
.ctts-byline { color: var(--ctts-muted); font-size: .78rem; font-weight: 650; margin-top: 14px !important; }
.ctts-index { align-items: center; background: var(--ctts-bg); border: 1px solid var(--ctts-line); border-radius: 10px; display: flex; flex-wrap: wrap; gap: 10px 18px; margin: 32px 0 46px; padding: 15px 18px; }
.ctts-index strong { color: var(--ctts-navy); font-size: .82rem; }
.ctts-index a { color: var(--ctts-blue); font-size: .8rem; font-weight: 650; }
.ctts-note,
.ctts-warning { border-left: 4px solid var(--ctts-blue); border-radius: 0 8px 8px 0; margin: 24px 0; padding: 15px 18px; }
.ctts-note { background: var(--ctts-sky); }
.ctts-warning { background: var(--ctts-amber-bg); border-left-color: #c28a28; }
.ctts-sources { background: var(--ctts-bg); border: 1px solid var(--ctts-line); border-radius: 12px; margin-top: 46px; padding: 4px 28px 18px; }
.ctts-sources li { margin: 5px 0; }
.ctts-faq details { border-bottom: 1px solid var(--ctts-line); }
.ctts-faq summary { color: var(--ctts-ink); cursor: pointer; font-weight: 750; padding: 15px 4px; }
.ctts-faq details p { color: var(--ctts-muted); font-size: .91rem; padding: 0 4px 15px; }
.ctts-cta { align-items: center; background: var(--ctts-navy); border-radius: 15px; color: #fff; display: flex; gap: 30px; justify-content: space-between; margin-top: 52px; padding: 32px 36px; }
.ctts-cta h2 { color: #fff; font-size: 1.45rem; margin: 0 0 7px; }
.ctts-cta p { color: #d4e1e6; font-size: .9rem; margin: 0; max-width: 650px; }
.ctts-cta .ctts-eyebrow { color: #9ec9dc; }

@media (max-width: 840px) {
    .ctts-hero { display: block; padding: 34px 28px 30px; }
    .ctts-local-badge { margin-top: 20px; width: max-content; }
    .ctts-mode-picker { padding: 24px 28px 0; }
    .ctts-mode-panel,
    .ctts-form,
    .ctts-results { padding-left: 28px; padding-right: 28px; }
    .ctts-status { margin-left: 28px; margin-right: 28px; }
    .ctts-scenario-grid { grid-template-columns: 1fr; }
    .ctts-detail-grid { grid-template-columns: 1fr; }
    .ctts-cta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 600px) {
    .ctts-app { margin-top: .5rem; }
    .ctts-tool { border-radius: 10px; }
    .ctts-hero { padding: 28px 20px; }
    .ctts-local-badge { width: 100%; }
    .ctts-mode-picker { grid-template-columns: 1fr; padding: 20px 20px 0; }
    .ctts-mode-panel,
    .ctts-form,
    .ctts-results { padding: 20px; }
    .ctts-status { margin: 0 20px 20px; }
    .ctts-upload-card { min-height: 270px; padding: 26px 16px; }
    .ctts-field-grid { grid-template-columns: 1fr; }
    .ctts-field-wide { grid-column: auto; }
    .ctts-form-heading,
    .ctts-result-heading { display: block; }
    .ctts-source-pill { display: inline-block; margin-top: 10px; }
    .ctts-result-actions { flex-direction: column; margin-top: 17px; }
    .ctts-bar-row { gap: 7px; grid-template-columns: 82px minmax(0, 1fr) 86px; }
    .ctts-disclaimer { padding-left: 20px; padding-right: 20px; }
    .ctts-editorial { margin-top: 44px; }
    .ctts-sources { padding-left: 18px; padding-right: 18px; }
    .ctts-cta { padding: 26px 22px; }
}

@media print {
    body * { visibility: hidden !important; }
    .ctts-app,
    .ctts-app .ctts-tool,
    .ctts-app .ctts-results,
    .ctts-app .ctts-results * { visibility: visible !important; }
    .ctts-app { left: 0; margin: 0; max-width: none; position: absolute; top: 0; width: 100%; }
    .ctts-tool { border: 0; box-shadow: none; }
    .ctts-hero,
    .ctts-mode-picker,
    .ctts-mode-panel,
    .ctts-status,
    .ctts-form,
    .ctts-disclaimer,
    .ctts-editorial,
    .ctts-result-actions { display: none !important; }
    .ctts-results { background: #fff; border: 0; display: block !important; padding: 0; }
    .ctts-scenario-grid { grid-template-columns: repeat(3, 1fr); }
    .ctts-scenario,
    .ctts-comparison-card { break-inside: avoid; box-shadow: none; }
    .ctts-detail-grid { display: block; }
    .ctts-detail-grid > article { margin-bottom: 15px; }
    @page { margin: 14mm; size: A4; }
}