.l3i-ai-app {
    --l3i-accent: #6d3a8a;
    --l3i-accent-dark: color-mix(in srgb, var(--l3i-accent) 82%, #000);
    --l3i-soft: color-mix(in srgb, var(--l3i-accent) 9%, #fff);
    --l3i-border: #d9d6dc;
    --l3i-text: #29252d;
    --l3i-muted: #68616c;
    max-width: 1180px;
    margin: 0 auto;
    color: var(--l3i-text);
    font-size: 1rem;
    line-height: 1.6;
}

.l3i-ai-app *, .l3i-ai-app *::before, .l3i-ai-app *::after { box-sizing: border-box; }
.l3i-ai-app h1, .l3i-ai-app h2, .l3i-ai-app h3, .l3i-ai-app .l3i-ai-title { line-height: 1.2; color: var(--l3i-text); }
.l3i-ai-app h1, .l3i-ai-app .l3i-ai-title { margin: .15rem 0 1rem; font-size: clamp(2rem, 5vw, 3.5rem); }
.l3i-ai-app h2 { margin: 0 0 .75rem; font-size: clamp(1.5rem, 3vw, 2.2rem); }
.l3i-ai-app h3 { margin: .75rem 0 .5rem; font-size: 1.25rem; }
.l3i-ai-app p { margin: .4rem 0 1rem; }

.l3i-ai-hero { padding: clamp(1.5rem, 5vw, 4rem); border-radius: 1.25rem; background: linear-gradient(135deg, var(--l3i-soft), #fff 70%); border: 1px solid var(--l3i-border); }
.l3i-ai-eyebrow, .l3i-ai-kicker { margin: 0; color: var(--l3i-accent-dark); font-size: .82rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.l3i-ai-lead { font-size: 1.25rem; }
.l3i-ai-definition { color: var(--l3i-muted); }

.l3i-ai-method { margin: 2rem 0; padding: 1.5rem; border: 1px solid var(--l3i-border); border-radius: 1rem; }
.l3i-ai-method-list { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: .75rem; list-style: none; padding: 0; margin: 1rem 0 0; }
.l3i-ai-method-list li { min-width: 0; padding: .9rem .75rem; background: var(--l3i-soft); border-radius: .8rem; text-align: center; }
.l3i-ai-method-list strong { display: block; margin: 0 auto .4rem; width: 2rem; height: 2rem; line-height: 2rem; border-radius: 50%; background: var(--l3i-accent); color: #fff; }
.l3i-ai-method-list span { display: block; font-size: .88rem; }

.l3i-ai-notice, .l3i-ai-admin-note, .l3i-ai-gate { margin: 1.5rem 0; padding: 1.25rem 1.4rem; border-radius: .9rem; border-left: .35rem solid var(--l3i-accent); background: var(--l3i-soft); }
.l3i-ai-notice h2 { font-size: 1.2rem; }
.l3i-ai-admin-note { border: 1px dashed var(--l3i-accent); }

.l3i-ai-section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin: 3rem 0 1.25rem; }
.l3i-ai-section-heading > p { max-width: 34rem; color: var(--l3i-muted); }
.l3i-ai-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.l3i-ai-card { display: flex; flex-direction: column; min-height: 15.5rem; padding: 1.25rem; border: 1px solid var(--l3i-border); border-radius: 1rem; background: #fff; }
.l3i-ai-card.is-featured { border: 2px solid var(--l3i-accent); background: var(--l3i-soft); }
.l3i-ai-card p { color: var(--l3i-muted); }
.l3i-ai-card .l3i-ai-button, .l3i-ai-card .l3i-ai-lock-label { margin-top: auto; align-self: flex-start; }
.l3i-ai-card-top { display: flex; justify-content: space-between; align-items: center; gap: .75rem; }
.l3i-ai-number { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--l3i-accent); color: #fff; font-weight: 800; }
.l3i-ai-badge { display: inline-block; padding: .25rem .55rem; border-radius: 999px; background: var(--l3i-soft); color: var(--l3i-accent-dark); font-size: .75rem; font-weight: 750; }
.l3i-ai-badge.is-muted, .l3i-ai-lock-label { color: var(--l3i-muted); background: #f3f2f4; }
.l3i-ai-lock-label { display: inline-block; padding: .45rem .65rem; border-radius: .4rem; font-size: .9rem; font-weight: 700; }

.l3i-ai-tool-panel { scroll-margin-top: 2rem; margin: 3rem 0; padding: clamp(1rem, 3vw, 2rem); border: 2px solid var(--l3i-accent); border-radius: 1.2rem; background: #fff; box-shadow: 0 1rem 2.5rem rgba(37, 25, 43, .08); }
.l3i-ai-tool-panel[hidden] { display: none !important; }
.l3i-ai-tool-heading { display: flex; align-items: start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; }
.l3i-ai-close { flex: 0 0 auto; width: 2.75rem; height: 2.75rem; border: 1px solid var(--l3i-border); border-radius: 50%; background: #fff; color: var(--l3i-text); font-size: 1.6rem; line-height: 1; cursor: pointer; }

.l3i-ai-form[hidden], .l3i-ai-result[hidden] { display: none !important; }
.l3i-ai-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.l3i-ai-field-wide { grid-column: 1 / -1; }
.l3i-ai-field label { display: block; margin-bottom: .35rem; font-weight: 750; }
.l3i-ai-field input, .l3i-ai-field select, .l3i-ai-field textarea, .l3i-ai-output { width: 100%; padding: .8rem .9rem; border: 1px solid #aaa4ad; border-radius: .55rem; background: #fff; color: var(--l3i-text); font: inherit; }
.l3i-ai-field textarea, .l3i-ai-output { resize: vertical; }
.l3i-ai-field input:focus, .l3i-ai-field select:focus, .l3i-ai-field textarea:focus, .l3i-ai-output:focus, .l3i-ai-button:focus-visible, .l3i-ai-close:focus-visible { outline: 3px solid color-mix(in srgb, var(--l3i-accent) 38%, transparent); outline-offset: 2px; border-color: var(--l3i-accent); }
.l3i-ai-privacy-inline { padding: .75rem 1rem; background: #f6f5f7; border-radius: .5rem; color: var(--l3i-muted); }
.l3i-ai-country-note { padding: 1rem; border: 1px solid #b88c00; border-radius: .6rem; background: #fff8dc; }
.l3i-ai-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.25rem; }
.l3i-ai-button { display: inline-flex; justify-content: center; align-items: center; min-height: 2.75rem; padding: .68rem 1rem; border: 2px solid var(--l3i-accent); border-radius: .55rem; background: var(--l3i-accent); color: #fff !important; font-weight: 800; text-decoration: none !important; cursor: pointer; }
.l3i-ai-button:hover { filter: brightness(.93); }
.l3i-ai-button-secondary { background: #fff; color: var(--l3i-accent-dark) !important; }
.l3i-ai-button-ghost { border-color: transparent; background: #f1eff2; color: var(--l3i-text) !important; }
.l3i-ai-output { min-height: 24rem; background: #faf9fb; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .93rem; line-height: 1.5; }
.l3i-ai-copy-status { min-height: 1.5rem; color: var(--l3i-accent-dark); font-weight: 750; }
.l3i-ai-gate { margin-top: 3rem; padding: clamp(1.25rem, 4vw, 2.5rem); }

@media (max-width: 960px) {
    .l3i-ai-method-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .l3i-ai-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
    .l3i-ai-section-heading { display: block; }
    .l3i-ai-method-list, .l3i-ai-grid, .l3i-ai-fields { grid-template-columns: 1fr; }
    .l3i-ai-field-wide { grid-column: auto; }
    .l3i-ai-card { min-height: 0; }
    .l3i-ai-actions .l3i-ai-button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .l3i-ai-app * { scroll-behavior: auto !important; }
}

/* Simplification du parcours et amélioration du contraste */
.l3i-ai-method,
.l3i-ai-section-heading {
    background: #fff;
    color: var(--l3i-text);
}

.l3i-ai-section-heading {
    padding: 1.25rem 1.4rem;
    border: 1px solid var(--l3i-border);
    border-radius: .9rem;
    align-items: center;
}

.l3i-ai-form-intro {
    display: flex;
    flex-direction: column;
    gap: .15rem;
    margin: 0 0 1.25rem;
    padding: 1rem 1.1rem;
    border-left: .3rem solid var(--l3i-accent);
    border-radius: .65rem;
    background: var(--l3i-soft);
}

.l3i-ai-form-intro span,
.l3i-ai-field small,
.l3i-ai-advanced > p,
.l3i-ai-result-intro {
    color: var(--l3i-muted);
}

.l3i-ai-optional {
    color: var(--l3i-muted);
    font-size: .88em;
    font-weight: 600;
}

.l3i-ai-field small {
    display: block;
    margin-top: .35rem;
    font-size: .88rem;
    line-height: 1.4;
}

.l3i-ai-advanced {
    margin-top: 1.25rem;
    border: 1px solid var(--l3i-border);
    border-radius: .8rem;
    background: #faf9fb;
    overflow: clip;
}

.l3i-ai-advanced summary,
.l3i-ai-output-details summary {
    cursor: pointer;
    color: var(--l3i-text);
    font-weight: 800;
}

.l3i-ai-advanced summary {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
    background: var(--l3i-soft);
}

.l3i-ai-advanced summary span {
    color: var(--l3i-accent-dark);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.l3i-ai-advanced[open] summary {
    border-bottom: 1px solid var(--l3i-border);
}

.l3i-ai-advanced > p {
    margin: 1rem 1.1rem;
}

.l3i-ai-advanced .l3i-ai-fields {
    padding: 0 1.1rem 1.1rem;
}

.l3i-ai-form-error {
    margin-top: 1rem;
    padding: .8rem 1rem;
    border-left: .3rem solid #b42318;
    border-radius: .5rem;
    background: #fff1f0;
    color: #7a271a;
    font-weight: 750;
}

.l3i-ai-result-intro {
    max-width: 48rem;
}

.l3i-ai-result-actions {
    margin: .75rem 0 0;
}

.l3i-ai-output-details {
    margin-top: 1rem;
    border: 1px solid var(--l3i-border);
    border-radius: .7rem;
    background: #faf9fb;
}

.l3i-ai-output-details summary {
    padding: .9rem 1rem;
}

.l3i-ai-output-details[open] summary {
    border-bottom: 1px solid var(--l3i-border);
}

.l3i-ai-output-details .l3i-ai-output {
    display: block;
    min-height: 18rem;
    margin: 0;
    border: 0;
    border-radius: 0 0 .7rem .7rem;
}

@media (max-width: 640px) {
    .l3i-ai-tool-panel, .l3i-ai-result { scroll-margin-top: 12rem; }
    .l3i-ai-section-heading { padding: 1rem; }
    .l3i-ai-advanced summary { align-items: center; }
    .l3i-ai-output-details .l3i-ai-output { min-height: 16rem; max-height: 55vh; }
}



/* 2026-09-21 — Ce que le livre ouvre, dans l outil gratuit. */
.l3i-ai-bonus{margin:1.4rem 0 0;padding:1rem 1.15rem;border:1px dashed rgba(109,58,138,.45);border-radius:12px;background:rgba(109,58,138,.06)}
.l3i-ai-bonus__titre{margin:0 0 .4rem;font-size:1.02rem}
.l3i-ai-bonus__intro{margin:0 0 .6rem;font-size:.95rem;line-height:1.55;opacity:.92}
.l3i-ai-bonus__liste{margin:0 0 .75rem;padding-left:1.15rem}
.l3i-ai-bonus__liste li{margin:0 0 .3rem;font-size:.95rem;line-height:1.45}
.l3i-ai-bonus__lien{display:inline-block;font-size:.95rem;font-weight:600;text-decoration:underline;color:var(--l3i-accent,#6d3a8a)}