/* ==========================================================================
   SmartPath - LeadThrough -> RAPID (ABB GoFa)
   Identite visuelle alignee sur l'agent B2B PolyBots :
   lime #D1FF00, fond sombre #070317, blanc, Inter.
   ========================================================================== */

:root {
    --color-primary: #D1FF00;
    --color-primary-ink: #1a2400;
    --color-dark: #070317;
    --color-dark-light: #14102b;
    --color-gray-900: #1a1a2e;
    --color-gray-700: #3c3d4a;
    --color-gray-500: #6b7280;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    --color-gray-100: #f3f4f6;
    --color-gray-50: #f9fafb;
    --color-white: #ffffff;
    --color-danger: #d1332f;
    --color-warning: #b6790a;
    --color-success: #157347;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius-sm: 0.375rem;
    --radius-md: 0.625rem;
    --radius-lg: 1rem;

    --shadow-sm: 0 1px 2px rgba(7, 3, 23, .06);
    --shadow-md: 0 4px 12px rgba(7, 3, 23, .08);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, .35);

    --transition: 0.15s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-family);
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-gray-900);
    background: var(--color-gray-50);
    -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3, h4 { color: var(--color-dark); line-height: 1.25; font-weight: 700; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.125rem; }
p.muted, span.muted { color: var(--color-gray-500); }

/* ---------- En-tete sombre (aligne sur landing-hero de l'agent B2B) ---------- */
.hero { background: var(--color-dark); color: var(--color-white); }
.hero-nav {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1080px; margin: 0 auto; padding: 1.5rem;
}
.hero-logo { height: 32px; width: auto; }
.hero-tool-name {
    font-size: 0.75rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
    color: var(--color-primary); border: 1px solid rgba(209, 255, 0, .4); border-radius: 999px;
    padding: 0.3rem 0.85rem;
}
.hero-grid {
    max-width: 1080px; margin: 0 auto; padding: 1.5rem 1.5rem 3.5rem;
    display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.5rem; align-items: center;
}
.hero-text h1 { font-size: 2.25rem; line-height: 1.18; color: var(--color-white); margin-bottom: 1.1rem; }
.hero-lead { font-size: 1.0625rem; color: rgba(255,255,255,.78); line-height: 1.6; margin-bottom: 1.5rem; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.hero-tag {
    font-size: 0.75rem; font-weight: 600; color: rgba(255,255,255,.85);
    background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14);
    border-radius: 999px; padding: 0.35rem 0.8rem;
}

/* Visuel du cobot ABB GoFa (CRB 15000) : carte flottante sur fond sombre,
   dans le meme esprit que le mockup illustratif de l'agent B2B. */
.hero-robot-wrap { display: flex; justify-content: center; }
.hero-robot-card {
    background: linear-gradient(180deg, var(--color-dark-light), var(--color-dark));
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 1rem;
    width: 100%; max-width: 380px;
    overflow: hidden;
}
.hero-robot-img { width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
.hero-robot-caption { text-align: center; font-size: 0.75rem; color: rgba(255,255,255,.55); margin-top: 0.5rem; }

/* ---------- Corps de page ---------- */
.page-container { max-width: 1080px; margin: -2.5rem auto 0; padding: 0 1.5rem 4rem; position: relative; z-index: 2; }

.card { background: var(--color-white); border: 1px solid var(--color-gray-200); border-radius: var(--radius-lg); padding: 2rem; }
.card + .card { margin-top: 1.5rem; }
.card h2 { margin-bottom: 0.35rem; }
.card .card-subtitle { color: var(--color-gray-500); font-size: 0.875rem; margin-bottom: 1.5rem; }

/* ---------- Depot de fichiers ---------- */
.dropzone {
    border: 1.5px dashed var(--color-gray-300); border-radius: var(--radius-md);
    background: var(--color-gray-50);
    padding: 2rem 1.5rem; text-align: center;
    transition: border-color var(--transition), background var(--transition);
    cursor: pointer;
}
.dropzone.dragover { border-color: var(--color-dark); background: var(--color-gray-100); }
.dropzone-icon {
    width: 44px; height: 44px; margin: 0 auto 0.85rem; border-radius: 999px;
    background: var(--color-primary); display: flex; align-items: center; justify-content: center;
    color: var(--color-primary-ink);
}
.dropzone-icon svg { width: 22px; height: 22px; }
.dropzone-title { font-weight: 600; color: var(--color-gray-900); margin-bottom: 0.25rem; }
.dropzone-sub { font-size: 0.8125rem; color: var(--color-gray-500); margin-bottom: 1rem; }
.dropzone input[type=file] { display: none; }

.file-list { list-style: none; margin-top: 1rem; display: flex; flex-direction: column; gap: 0.5rem; }
.file-list li {
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem;
    background: var(--color-white); border: 1px solid var(--color-gray-200); border-radius: var(--radius-sm);
    padding: 0.55rem 0.85rem; font-size: 0.8125rem;
}
.file-list .file-name { display: flex; align-items: center; gap: 0.5rem; min-width: 0; }
.file-list .file-name span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list .file-remove {
    flex-shrink: 0; width: 20px; height: 20px; border-radius: 999px; border: none;
    background: var(--color-gray-100); color: var(--color-gray-500); cursor: pointer;
    font-size: 0.875rem; line-height: 1; display: flex; align-items: center; justify-content: center;
    transition: background var(--transition), color var(--transition);
}
.file-list .file-remove:hover { background: var(--color-danger); color: var(--color-white); }

/* ---------- Checkbox "AVEC IA" ---------- */
.option-toggle {
    display: flex; align-items: flex-start; gap: 0.75rem;
    background: var(--color-gray-50); border: 1px solid var(--color-gray-200); border-radius: var(--radius-md);
    padding: 1rem 1.1rem; margin-top: 1.5rem; cursor: pointer;
}
.option-toggle input[type=checkbox] {
    width: 18px; height: 18px; margin-top: 0.15rem; accent-color: var(--color-dark); cursor: pointer; flex-shrink: 0;
}
.option-toggle .option-toggle-title { font-weight: 600; color: var(--color-gray-900); font-size: 0.9375rem; }
.option-toggle .option-toggle-desc { font-size: 0.8125rem; color: var(--color-gray-500); margin-top: 0.15rem; line-height: 1.5; }

/* ---------- Curseurs de reglage (memes codes visuels que le calculateur B2B) ---------- */
.sliders { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-top: 1.5rem; }
.slider-field {
    border: 1px solid var(--color-gray-200); border-radius: var(--radius-md);
    padding: 1.1rem 1.25rem 1.25rem; background: var(--color-white);
}
.slider-field-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 0.65rem; }
.slider-field-label { font-size: 0.8125rem; font-weight: 600; color: var(--color-gray-700); }
.slider-field-value {
    font-size: 1.0625rem; font-weight: 800; color: var(--color-dark); font-variant-numeric: tabular-nums;
}
.slider-field input[type=range] {
    -webkit-appearance: none; appearance: none; width: 100%; height: 6px; border-radius: 999px;
    background: var(--color-gray-200); outline: none; cursor: pointer;
}
.slider-field input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none; width: 20px; height: 20px; border-radius: 999px;
    background: var(--color-primary); border: 3px solid var(--color-dark); cursor: pointer;
}
.slider-field input[type=range]::-moz-range-thumb {
    width: 20px; height: 20px; border-radius: 999px; border: 3px solid var(--color-dark);
    background: var(--color-primary); cursor: pointer;
}
.slider-field-bounds { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--color-gray-500); margin-top: 0.35rem; }
.slider-field-help { font-size: 0.75rem; color: var(--color-gray-500); margin-top: 0.5rem; line-height: 1.45; }

/* ---------- Boutons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem; font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    transition: filter var(--transition), background var(--transition), opacity var(--transition);
}
.btn-primary { background: var(--color-primary); color: var(--color-primary-ink); }
.btn-primary:hover:not(:disabled) { filter: brightness(0.95); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-outline { background: transparent; border-color: var(--color-gray-300); color: var(--color-gray-900); }
.btn-outline:hover:not(:disabled) { border-color: var(--color-gray-500); }
.btn-block { width: 100%; }
.btn-lg { padding: 0.9rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8125rem; }

.btn .spinner {
    width: 15px; height: 15px; border-radius: 999px;
    border: 2px solid rgba(26,36,0,.25); border-top-color: var(--color-primary-ink);
    animation: spin 0.7s linear infinite; display: none;
}
.btn.loading .spinner { display: inline-block; }
.btn.loading .btn-label-idle { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Alertes ---------- */
.alert { border-radius: var(--radius-sm); padding: 0.85rem 1rem; font-size: 0.875rem; margin-top: 1.25rem; }
.alert-error { background: #fbe9e8; color: var(--color-danger); }
.alert-success { background: #e7f6ee; color: var(--color-success); }
.alert-info { background: var(--color-gray-100); color: var(--color-gray-700); }

/* ---------- Resultats ---------- */
.results { margin-top: 1.75rem; display: flex; flex-direction: column; gap: 0.85rem; }
.result-card {
    border: 1px solid var(--color-gray-200); border-radius: var(--radius-md); padding: 1.1rem 1.25rem;
    background: var(--color-white);
}
.result-card.result-error { border-color: #f3c9c7; background: #fdf5f4; }
.result-card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.result-card-name { font-weight: 700; font-size: 0.9375rem; color: var(--color-dark); word-break: break-all; }
.result-card-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.badge { display: inline-block; padding: 0.2rem 0.6rem; border-radius: 999px; font-size: 0.72rem; font-weight: 700; white-space: nowrap; }
.badge-mode { background: var(--color-gray-100); color: var(--color-gray-700); text-transform: uppercase; letter-spacing: .03em; }
.badge-ia { background: var(--color-primary); color: var(--color-primary-ink); }
.badge-error { background: #fbe9e8; color: var(--color-danger); }
.result-card-resume { list-style: none; margin: 0.5rem 0 0.85rem; font-size: 0.8125rem; color: var(--color-gray-700); }
.result-card-resume li { padding: 0.2rem 0 0.2rem 1.1rem; position: relative; line-height: 1.5; }
.result-card-resume li::before { content: "-"; position: absolute; left: 0; color: var(--color-gray-300); }
.result-card-resume li.warn { color: var(--color-warning); }
.result-card-error-msg { font-size: 0.8125rem; color: var(--color-danger); }
.results-actions { display: flex; justify-content: flex-end; margin-top: 1.25rem; }

/* ---------- Bloc explicatif ---------- */
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.info-item { padding: 0.25rem 0; }
.info-item .info-num {
    width: 30px; height: 30px; border-radius: 999px; background: var(--color-primary); color: var(--color-primary-ink);
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9375rem; margin-bottom: 0.65rem;
}
.info-item h3 { font-size: 0.9375rem; margin-bottom: 0.35rem; }
.info-item p { font-size: 0.8125rem; color: var(--color-gray-700); line-height: 1.55; }

.footer { text-align: center; padding: 2rem 1.5rem; color: var(--color-gray-500); font-size: 0.8125rem; }

@media (max-width: 860px) {
    .hero-grid { grid-template-columns: 1fr; padding-bottom: 2.5rem; }
    .hero-robot-wrap { order: -1; }
    .hero-robot-card { max-width: 300px; margin: 0 auto; }
    .page-container { margin-top: -1.5rem; }
    .sliders { grid-template-columns: 1fr; }
    .info-grid { grid-template-columns: 1fr; }
    .card { padding: 1.5rem; }
}