/* Outil IA d'analyse & de reporting — feuille de style */
:root{
  --bg:#0f1220; --card:#1a1e33; --line:#2a2f4a; --ink:#eef0f8; --muted:#9aa3c0;
  --blue:#4f7cff; --green:#22c55e; --purple:#a855f7; --orange:#ff8a3d;
  --radius:14px;
}
*{box-sizing:border-box;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;}
a{color:var(--blue);}
.container{max-width:1000px;margin:0 auto;padding:0 20px 60px;}
header.topbar{border-bottom:1px solid var(--line);padding:16px 20px;display:flex;
  align-items:center;gap:10px;}
header.topbar .brand{font-weight:800;font-size:18px;}

.hero{padding:48px 0 24px;text-align:center;}
.hero__title{font-size:34px;margin:0 0 10px;letter-spacing:-.5px;}
.hero__accent{background:linear-gradient(90deg,var(--blue),var(--purple));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__subtitle{color:var(--muted);max-width:620px;margin:0 auto;}
.hero__badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:18px;}
.badge{padding:5px 12px;border-radius:20px;font-size:12.5px;font-weight:600;
  border:1px solid var(--line);background:#161a2e;}
.badge--blue{color:#9db6ff;} .badge--green{color:#86efac;}
.badge--purple{color:#d8b4fe;} .badge--orange{color:#ffb98a;}

.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px;}
@media(max-width:720px){.card-grid{grid-template-columns:1fr;}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:0 8px 30px rgba(0,0,0,.25);}
.card--primary{border-color:#33407a;}
.card__title{margin:0 0 4px;font-size:18px;}
.card__desc{color:var(--muted);margin:0 0 16px;font-size:14px;}

.dropzone{position:relative;border:2px dashed var(--line);border-radius:12px;
  padding:28px;text-align:center;transition:.15s;cursor:pointer;background:#141830;}
.dropzone.dragover{border-color:var(--blue);background:#182142;}
.dropzone__input{position:absolute;inset:0;opacity:0;cursor:pointer;}
.dropzone__icon{font-size:34px;}
.dropzone__text{font-weight:600;margin:8px 0 2px;}
.dropzone__sub{color:var(--muted);font-size:13px;margin:0;}
.dropzone__limit{display:inline-block;margin-top:8px;font-size:11.5px;color:var(--muted);}
.dropzone__preview{display:flex;align-items:center;gap:10px;justify-content:center;}
.dropzone__file-name{font-weight:600;}
.dropzone__clear{background:none;border:none;color:var(--muted);cursor:pointer;font-size:16px;}

.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border:none;border-radius:10px;padding:12px 18px;font-size:15px;font-weight:700;
  cursor:pointer;transition:.15s;}
.btn--primary{background:linear-gradient(90deg,var(--blue),#6a5cff);color:#fff;}
.btn--primary:hover{filter:brightness(1.08);}
.btn--full{width:100%;margin-top:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn--ghost{background:#1d2340;color:var(--ink);border:1px solid var(--line);}

.report{margin-top:28px;}
.report h2,.report h3{border-bottom:1px solid var(--line);padding-bottom:8px;}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;}
.stat .k{color:var(--muted);font-size:12px;}
.stat .v{font-size:20px;font-weight:800;}
.charts{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media(max-width:720px){.charts{grid-template-columns:1fr;}}
.charts img{width:100%;border:1px solid var(--line);border-radius:10px;background:#fff;}
.narrative{background:#141830;border:1px solid var(--line);border-radius:12px;
  padding:18px;white-space:pre-wrap;}
table{border-collapse:collapse;width:100%;font-size:14px;}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;}
th{background:#161a2e;}
.muted{color:var(--muted);}
.flash{background:#3a1d1d;border:1px solid #6b2b2b;color:#ffb4b4;padding:10px 14px;
  border-radius:10px;margin:14px 0;}


/* Classes de l'interface Flask actuelle : navigation et rapport complet. */
html{scroll-padding-top:24px;}
body{overflow-wrap:anywhere;}
.container{width:100%;max-width:1120px;padding:0 24px;}
.main>.container{padding-top:24px;padding-bottom:48px;}
.header{background:#111528;border-bottom:1px solid var(--line);}
.header>.container{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:12px;padding-bottom:12px;}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--ink);
  text-decoration:none;font-size:20px;font-weight:800;white-space:nowrap;}
.logo-icon{font-size:24px;line-height:1;}
.logo-text{letter-spacing:-.4px;}
.nav{display:flex;align-items:center;flex-wrap:wrap;gap:6px;}
.nav-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;
  padding:10px 14px;color:#cbd3ed;text-decoration:none;border-radius:9px;font-size:14px;font-weight:600;}
.nav-link:hover,.nav-link--accent{background:#232c4d;color:#fff;}
:where(a,button,input):focus-visible{outline:3px solid #a9c0ff;outline-offset:4px;}
.hero{padding:32px 0 16px;}
.hero__content{max-width:760px;margin:auto;}
.hero__title{font-size:clamp(28px,4vw,40px);line-height:1.2;}
.hero__subtitle{margin-top:18px;line-height:1.7;}
.badge{display:inline-block;max-width:100%;line-height:1.5;}
.badge--gray{color:#cbd3ed;}
.demo-banner{background:#17223c;border:1px solid #354a78;border-left:4px solid #80a5ff;
  border-radius:12px;padding:16px 20px;margin:0 0 24px;}
.demo-banner strong{font-size:15px;color:#dce7ff;}
.demo-banner p{margin:5px 0 0;color:#bdcbe9;font-size:14px;line-height:1.6;}
.demo-banner__content{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;margin-bottom:24px;}
.card,.card__header,.card-grid>*,.report-header__left,.report-header__right{min-width:0;}
.card__header{margin-bottom:18px;}
.card__header .card__desc{margin-bottom:0;}
.card--dark{background:#14182b;}
.feature-list{list-style:none;padding:0;margin:0;display:grid;gap:0;}
.feature-list__item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);}
.feature-list__item:first-child{padding-top:0;}
.feature-list__item:last-child{border-bottom:0;padding-bottom:0;}
.feature-list__item>div{min-width:0;}
.feature-list__item strong{display:block;font-size:14px;}
.feature-list__item p{margin:3px 0 0;font-size:13px;color:var(--muted);line-height:1.5;}
.feature-list__icon{display:flex;align-items:center;justify-content:center;flex:0 0 32px;
  width:32px;height:32px;border-radius:8px;background:#232942;font-size:18px;}
.btn{min-height:44px;max-width:100%;text-decoration:none;line-height:1.4;text-align:center;white-space:normal;}
.btn--secondary{background:#dce7ff;color:#14203d;border:1px solid #a9c0ff;}
.btn--secondary:hover{background:#eff4ff;}
.btn__icon{flex-shrink:0;}
.upload-form{margin:0;}
.dropzone__input{width:100%;height:100%;}
.dropzone__clear{position:relative;z-index:1;min-width:44px;min-height:44px;flex-shrink:0;}
.dropzone__file-name{min-width:0;overflow-wrap:anywhere;}
.dropzone__file-icon{flex-shrink:0;}
.code-block{max-width:100%;overflow:auto;padding:16px;border:1px solid var(--line);
  border-radius:10px;background:#0e1220;font-size:13px;white-space:pre;}
.alert{padding:14px 18px;border:1px solid #46577f;border-radius:10px;margin-bottom:18px;background:#1a2540;}
.alert--error{background:#352126;border-color:#75404b;color:#ffcbce;}
.alert__icon{margin-right:6px;}
.footer{border-top:1px solid var(--line);color:var(--muted);font-size:12px;}
.footer>.container{padding-top:20px;padding-bottom:24px;}
.footer p{margin:0;}

.report-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:26px 0;}
.report-header__title{font-size:clamp(24px,3.5vw,34px);line-height:1.25;margin:0 0 8px;}
.report-header__file{font-size:14px;color:var(--muted);margin:0;}
.report-header__right{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:10px;}
.stat-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:28px;}
.stat-card{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px;}
.stat-card__value{font-size:28px;font-weight:800;line-height:1.25;font-variant-numeric:tabular-nums;}
.stat-card__label{font-size:13px;color:var(--muted);margin-top:6px;}
.section{margin:26px 0;min-width:0;}
.section-title{font-size:21px;line-height:1.35;margin:0 0 16px;}
.narrative-text{font-size:15px;line-height:1.8;overflow-wrap:anywhere;white-space:pre-wrap;}
.narrative-text p:first-child{margin-top:0;}
.narrative-text p:last-child{margin-bottom:0;}
.narrative-text h2,.narrative-text h3{font-size:18px;line-height:1.4;margin:22px 0 10px;}
.narrative-text ul,.narrative-text ol{padding-left:22px;}
.narrative-text li{margin:6px 0;}
.chart-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.chart-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--card);}
.chart-card__title{font-size:15px;line-height:1.4;margin:0;padding:14px 16px;}
.chart-card__img{display:block;width:100%;max-width:100%;height:auto;object-fit:contain;background:#fff;}
.table-scroll{width:100%;max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;
  border:1px solid var(--line);border-radius:10px;-webkit-overflow-scrolling:touch;}
.data-table{width:100%;min-width:850px;font-size:13px;font-variant-numeric:tabular-nums;}
.data-table th,.data-table td{padding:10px 12px;white-space:nowrap;}
.data-table th{font-size:12px;color:#cbd3ed;}
.data-table__col-name{font-weight:600;color:#dbe4ff;}
.text-warning{color:#ffd38f;}.text-danger{color:#ffb4bd;}
.outlier-block{border-top:1px solid var(--line);padding-top:16px;margin-top:16px;}
.outlier-block__header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.outlier-block__bounds{font-size:13px;color:var(--muted);margin:10px 0;}
.outlier-block__values{display:flex;gap:8px;flex-wrap:wrap;}
.outlier-tag,.cat-tag{display:inline-block;max-width:100%;padding:5px 9px;border:1px solid var(--line);
  border-radius:7px;background:#14182c;font-size:12px;}
.outlier-tag--more{color:#ffcfaa;}
.trend-grid,.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.trend-card,.cat-card{min-width:0;background:#14182b;border:1px solid var(--line);border-radius:10px;padding:16px;}
.trend-card__col,.cat-card__col{font-size:14px;font-weight:700;margin-bottom:10px;}
.trend-card__dir{font-size:20px;font-weight:700;margin-bottom:8px;}
.trend-card__dir--hausse{color:#9ae9b4;}.trend-card__dir--baisse{color:#ffb4bd;}
.trend-card__dir--stable{color:#bbcef9;}
.trend-card__r2,.trend-card__slope,.cat-card__unique{color:var(--muted);font-size:13px;}
.cat-card__top{display:flex;flex-wrap:wrap;gap:7px;font-size:13px;margin-top:12px;}
.cat-card__top>strong{width:100%;}
.actions-bar{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 0;}

@media(max-width:720px){
  .container{padding-left:18px;padding-right:18px;}
  .header>.container{flex-wrap:wrap;gap:6px;}
  .nav{width:100%;justify-content:space-between;gap:4px;}
  .nav-link{padding:10px 12px;}
  .hero{padding-top:20px;}
  .card-grid,.chart-grid{grid-template-columns:minmax(0,1fr);}
  .card{padding:18px;}
  .report-header{align-items:flex-start;flex-direction:column;gap:14px;}
  .report-header__right{justify-content:flex-start;}
  .trend-grid,.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .demo-banner__content{align-items:flex-start;flex-direction:column;gap:14px;}
}
@media(max-width:440px){
  .container{padding-left:14px;padding-right:14px;}
  .hero__badges{gap:6px;}
  .hero__subtitle{font-size:14px;}
  .badge{font-size:11.5px;padding:4px 9px;}
  .nav-link{padding:10px;font-size:13px;}
  .demo-banner{padding:14px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .stat-card{padding:14px;}
  .stat-card__value{font-size:25px;}
  .trend-grid,.cat-grid{grid-template-columns:minmax(0,1fr);}
  .actions-bar>.btn{width:100%;}
}