#cpt-calc-root {
    --cpt-accent: #ec6a2b;
    --cpt-accent-light: #fdf0ea;
    --cpt-accent-hover: #d45a1f;
    --cpt-dark: #1e2a38;
    --cpt-mid: #3a4a5c;
    --cpt-light: #f4f6f8;
    --cpt-border: #d8dde3;
    --cpt-white: #ffffff;
    --cpt-radius: 10px;
    --cpt-shadow: 0 2px 12px rgba(30,42,56,.07);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
    max-width: 860px;
    margin: 2rem auto;
    color: var(--cpt-dark);
    line-height: 1.7;
    box-sizing: border-box;
}
#cpt-calc-root *, #cpt-calc-root *::before, #cpt-calc-root *::after {
    box-sizing: border-box; margin: 0; padding: 0;
}
.hero-section { display:None }
#cpt-calc-root .cpt-calc-box {
    background: var(--cpt-white);
    border: 1.5px solid var(--cpt-border);
    border-radius: var(--cpt-radius);
    padding: 2rem;
    box-shadow: var(--cpt-shadow);
    margin-bottom: 2.5rem;
}
#cpt-calc-root .cpt-calc-box h2 {
    font-size: 1.6rem; font-weight: 800; color: var(--cpt-dark);
    margin: 0 0 .25rem; text-align: center;
}
#cpt-calc-root .cpt-calc-box > p.cpt-subtitle {
    text-align: center; color: var(--cpt-mid); font-size: .92rem; margin: 0 0 .5rem;
}
#cpt-calc-root .cpt-accent-bar {
    width: 50px; height: 4px; background: var(--cpt-accent);
    border-radius: 2px; margin: 0 auto 1.25rem;
}
#cpt-calc-root .cpt-diagram { display: flex; justify-content: center; margin: .5rem 0 .75rem; }
#cpt-calc-root .cpt-diagram svg { width: 100%; max-width: 340px; height: auto; }
#cpt-calc-root .cpt-hint {
    text-align: center; font-size: .85rem; color: var(--cpt-mid);
    margin-bottom: 1rem; font-weight: 500;
}
#cpt-calc-root .cpt-hint strong { color: var(--cpt-accent); font-weight: 700; }
#cpt-calc-root .cpt-grid3 {
    display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .85rem; overflow: hidden;
}
@media (max-width: 640px) { #cpt-calc-root .cpt-grid3 { grid-template-columns: 1fr; } }
#cpt-calc-root .cpt-field { min-width: 0; display: flex; flex-direction: column; }
#cpt-calc-root .cpt-field label {
    font-size: .78rem; font-weight: 600; color: var(--cpt-mid);
    margin-bottom: .3rem; text-transform: uppercase; letter-spacing: .4px;
}
#cpt-calc-root .cpt-input-wrap {
    display: flex; border: 1.5px solid var(--cpt-border);
    border-radius: 8px; overflow: hidden; transition: all .2s;
    position: relative; min-width: 0;
}
#cpt-calc-root .cpt-input-wrap:focus-within {
    border-color: var(--cpt-accent);
    box-shadow: 0 0 0 3px rgba(236,106,43,.12);
}
#cpt-calc-root .cpt-input-wrap input {
    flex: 1; border: none; padding: .65rem .8rem; font-size: 1rem;
    font-family: inherit; color: var(--cpt-dark); outline: none;
    background: transparent; min-width: 0;
}
#cpt-calc-root .cpt-input-wrap .cpt-unit {
    display: flex; align-items: center; padding: 0 .7rem;
    background: var(--cpt-light); color: var(--cpt-mid);
    font-size: .8rem; font-weight: 600; white-space: nowrap;
    border-left: 1.5px solid var(--cpt-border);
}
#cpt-calc-root .cpt-input-wrap.cpt-computed {
    border-color: var(--cpt-accent); background: var(--cpt-accent-light);
}
#cpt-calc-root .cpt-input-wrap.cpt-computed input {
    color: var(--cpt-accent); font-weight: 700;
}
#cpt-calc-root .cpt-computed-label { color: var(--cpt-accent) !important; }
#cpt-calc-root .cpt-computed-label::after {
    content: " \2713  calculé"; font-size: .65rem; font-weight: 700;
    color: var(--cpt-white); background: var(--cpt-accent);
    padding: 1px 5px; border-radius: 3px; margin-left: 6px;
    vertical-align: middle; letter-spacing: .2px;
}
#cpt-calc-root .cpt-reset {
    display: none; text-align: center; margin-top: .5rem;
}
#cpt-calc-root .cpt-reset.cpt-show { display: block; }
#cpt-calc-root .cpt-reset a {
    font-size: .82rem; color: var(--cpt-mid); cursor: pointer;
    text-decoration: underline; font-weight: 600;
}
#cpt-calc-root .cpt-reset a:hover { color: var(--cpt-accent); }
#cpt-calc-root .cpt-results {
    display: none; background: var(--cpt-light); border: 1.5px solid var(--cpt-border);
    border-radius: var(--cpt-radius); padding: 1.15rem 1.35rem; margin-top: 1.15rem;
    animation: cptFade .3s ease;
}
#cpt-calc-root .cpt-results.cpt-show { display: block; }
@keyframes cptFade { from{opacity:0;transform:translateY(5px)} to{opacity:1;transform:translateY(0)} }
#cpt-calc-root .cpt-results-title {
    font-size: .8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: .5px; color: var(--cpt-accent); margin-bottom: .75rem;
}
#cpt-calc-root .cpt-result-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(165px,1fr)); gap: .65rem;
}
#cpt-calc-root .cpt-result-item {
    background: var(--cpt-white); border-radius: 8px;
    padding: .75rem .9rem; border: 1px solid var(--cpt-border);
}
#cpt-calc-root .cpt-result-label {
    font-size: .72rem; font-weight: 600; color: var(--cpt-mid);
    text-transform: uppercase; letter-spacing: .3px; margin-bottom: .15rem;
}
#cpt-calc-root .cpt-result-value {
    font-size: 1.3rem; font-weight: 800; color: var(--cpt-dark);
}
#cpt-calc-root .cpt-result-value small {
    font-size: .72rem; font-weight: 600; color: var(--cpt-mid); margin-left: 2px;
}
#cpt-calc-root .cpt-reco {
    margin-top: .75rem; padding: .8rem 1rem; border-radius: 8px;
    background: var(--cpt-accent-light); border-left: 4px solid var(--cpt-accent);
    font-size: .88rem; color: var(--cpt-dark);
}
#cpt-calc-root .cpt-reco strong { color: var(--cpt-accent); }
#cpt-calc-root .cpt-error {
    color: #c0392b; font-size: .85rem; font-weight: 600;
    margin-top: .4rem; display: none;
}
#cpt-calc-root .cpt-error.cpt-show { display: block; }
#cpt-calc-root .cpt-article { margin-top: 1rem; }
#cpt-calc-root .cpt-article h2 {
    font-size: 1.4rem; font-weight: 800; color: var(--cpt-dark);
    margin: 2.25rem 0 .65rem; padding-bottom: .35rem;
    border-bottom: 3px solid var(--cpt-accent); display: inline-block;
}
#cpt-calc-root .cpt-article h3 {
    font-size: 1.12rem; font-weight: 700; color: var(--cpt-dark); margin: 1.65rem 0 .45rem;
}
#cpt-calc-root .cpt-article p {
    color: var(--cpt-dark); font-size: .94rem; margin: 0 0 .85rem;
}
#cpt-calc-root .cpt-article strong { color: var(--cpt-accent); }
#cpt-calc-root .cpt-article ul { margin: 0 0 1rem 1.2rem; padding: 0; }
#cpt-calc-root .cpt-article ul li {
    font-size: .93rem; color: var(--cpt-dark); margin-bottom: .4rem;
    list-style: none; position: relative; padding-left: .15rem;
}
#cpt-calc-root .cpt-article ul li::before {
    content: ""; position: absolute; left: -1rem; top: .55rem;
    width: 6px; height: 6px; border-radius: 50%; background: var(--cpt-accent);
}
#cpt-calc-root .cpt-highlight {
    background: var(--cpt-accent-light); border-left: 4px solid var(--cpt-accent);
    border-radius: 0 8px 8px 0; padding: 1rem 1.15rem; margin: 1.25rem 0; font-size: .92rem;
}
#cpt-calc-root .cpt-highlight strong { color: var(--cpt-accent); }
#cpt-calc-root .cpt-table-wrap { overflow-x: auto; margin: 1rem 0 1.5rem; }
#cpt-calc-root .cpt-table { width: 100%; border-collapse: collapse; font-size: .87rem; }
#cpt-calc-root .cpt-table th {
    background: var(--cpt-accent); color: #fff; padding: .6rem .7rem;
    text-align: left; font-weight: 700; font-size: .78rem;
    text-transform: uppercase; letter-spacing: .3px;
}
#cpt-calc-root .cpt-table th:first-child { border-radius: 8px 0 0 0; }
#cpt-calc-root .cpt-table th:last-child { border-radius: 0 8px 0 0; }
#cpt-calc-root .cpt-table td {
    padding: .5rem .7rem; border-bottom: 1px solid var(--cpt-border); color: var(--cpt-dark);
}
#cpt-calc-root .cpt-table tr:nth-child(even) td { background: var(--cpt-light); }
#cpt-calc-root .cpt-table tr:last-child td:first-child { border-radius: 0 0 0 8px; }
#cpt-calc-root .cpt-table tr:last-child td:last-child { border-radius: 0 0 8px 0; }
#cpt-calc-root .cpt-formula {
    background: var(--cpt-dark); color: #f0f0f0; border-radius: 8px;
    padding: 1rem 1.25rem; margin: 1rem 0; font-family: "Courier New", monospace;
    font-size: .92rem; line-height: 1.9; overflow-x: auto;
}
#cpt-calc-root .cpt-formula span { color: var(--cpt-accent); font-weight: 700; }
#cpt-calc-root .cpt-faq-item {
    border: 1px solid var(--cpt-border); border-radius: var(--cpt-radius);
    margin-bottom: .6rem; overflow: hidden; transition: box-shadow .2s;
}
#cpt-calc-root .cpt-faq-item:hover { box-shadow: 0 2px 8px rgba(30,42,56,.06); }
#cpt-calc-root .cpt-faq-q {
    display: flex; align-items: center; justify-content: space-between;
    padding: .85rem 1.1rem; cursor: pointer; background: var(--cpt-white);
    font-size: .93rem; font-weight: 700; color: var(--cpt-dark);
    border: none; width: 100%; text-align: left; font-family: inherit; gap: .75rem;
}
#cpt-calc-root .cpt-faq-q:hover { color: var(--cpt-accent); }
#cpt-calc-root .cpt-faq-arrow {
    flex-shrink: 0; width: 20px; height: 20px; transition: transform .25s; color: var(--cpt-accent);
}
#cpt-calc-root .cpt-faq-item.cpt-open .cpt-faq-arrow { transform: rotate(180deg); }
#cpt-calc-root .cpt-faq-a {
    max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .25s ease;
    padding: 0 1.1rem; font-size: .9rem; color: var(--cpt-mid); background: var(--cpt-light);
}
#cpt-calc-root .cpt-faq-item.cpt-open .cpt-faq-a { max-height: 600px; padding: .9rem 1.1rem; }