/* Palette et thème modernisé */
:root{
  --ink:#10002b;
  --deep:#240046;
  --vio-700:#3C096C;
  --vio-600:#5A189A;
  --vio-500:#7B2CBF;
  --vio-400:#9D4EDD;
  --vio-300:#C77DFF;
  --vio-200:#E0AAFF;
}
*{box-sizing:border-box}
html,body{height:100%}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,"Helvetica Neue",sans-serif;margin:0;color:#1b1b1b;background:
  radial-gradient(1200px 600px at 10% -10%, var(--vio-200) 0%, #faf7ff 40%, #fff 100%)}

.container{max-width:1180px;margin:0 auto;padding:0 18px}
.main-content{padding:28px 0}

/* Header */
.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(60,9,108,.15);
  background:linear-gradient(90deg,var(--deep) 0%,var(--vio-600) 50%,var(--vio-400) 100%);
  box-shadow:0 6px 20px rgba(16,0,43,.15)}
.header-content{display:flex;align-items:center;justify-content:space-between;height:68px}
.site-header .logo{position:static;left:auto}
.logo{font-weight:800;color:#fff;text-decoration:none;font-size:22px;letter-spacing:.2px}
.nav{display:flex;align-items:center;justify-content:flex-end;gap:0;flex-wrap:nowrap;width:100%}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px}
.nav a{margin-left:0;color:#fff;text-decoration:none;opacity:.9;padding:3px 5px;border-radius:10px;transition:all .2s;font-size:14px}
.nav a:hover{opacity:1;background:rgba(231,220,255,.14)}
/* Force ordering of right-aligned items */
.nav .home{order:1}
.nav .messages{order:2}
.nav .logout{order:3}
.nav .nav-dropdown{order:4}
/* Dropdown in header */
.nav details.nav-dropdown{display:flex;align-items:center;position:relative;margin-left:0}
.nav details.nav-dropdown > summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;margin:0;padding:0}
.nav details.nav-dropdown > summary::-webkit-details-marker{display:none}
.nav details.nav-dropdown > summary::marker{display:none;content:''}
.nav details.nav-dropdown > summary a{color:#fff;text-decoration:none;opacity:.9;padding:3px 5px;border-radius:10px;display:inline-block;font-size:14px}
.nav details.nav-dropdown > summary a:hover{opacity:1;background:rgba(231,220,255,.14)}
.nav details.nav-dropdown[open] > summary a{opacity:1;background:rgba(231,220,255,.14)}
/* Caret arrow next to Mon espace */
.nav details.nav-dropdown > summary .caret{display:inline-block;margin-left:6px;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid #fff;transition:transform .15s ease;cursor:pointer}
.nav details.nav-dropdown[open] > summary .caret{transform:rotate(180deg)}
.nav .dropdown-menu{position:absolute;right:0;top:100%;background:#fff;color:#1b1b1b;border:1px solid rgba(60,9,108,.12);border-radius:12px;box-shadow:0 8px 24px rgba(16,0,43,.12);min-width:220px;padding:8px;z-index:20}
.nav-left .dropdown-menu{left:0;right:auto}
/* Dropdown visibility control */
.nav details.nav-dropdown .dropdown-menu{display:none;flex-direction:column;gap:6px}
.nav details.nav-dropdown[open] .dropdown-menu{display:flex}
.nav .dropdown-menu{display:flex;flex-direction:column;gap:6px}
.nav .dropdown-menu a{display:block;color:#1b1b1b;padding:8px 10px;margin:0;border-radius:8px}
.nav .dropdown-menu a:hover{background:#f7f1ff;color:var(--vio-700)}

/* Hero */
.hero{background:linear-gradient(180deg, rgba(157,78,221,.12), rgba(199,125,255,.08));
  border:1px solid rgba(60,9,108,.12);padding:28px;border-radius:24px;box-shadow:0 10px 26px rgba(16,0,43,.08);text-align:center;margin-bottom:16px}
.hero h1{margin:0 0 8px;font-size:32px;color:#1b1335}
.hero .subtitle{color:#5b5b6a;margin:0 0 16px}
.hero-search{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-search .field{min-width:240px}

/* Chips & Badges */
.chip-group{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 16px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid rgba(60,9,108,.15);
  background:#fff;color:var(--vio-700);text-decoration:none;box-shadow:0 6px 16px rgba(16,0,43,.04)}
.chip:hover{background:#f7f1ff;border-color:rgba(157,78,221,.5)}
.badge{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:700;font-size:12px}
.badge-cat{background:rgba(157,78,221,.15);color:var(--vio-600);border:1px solid rgba(157,78,221,.35)}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.card{background:#fff;border:1px solid rgba(60,9,108,.12);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;
  box-shadow:0 8px 24px rgba(16,0,43,.08);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(16,0,43,.13)}
.card img{width:100%;height:200px;object-fit:cover;background:#ddd}
.card .content{padding:14px}
.card .title{font-weight:700;margin:0 0 8px;color:#1b1335}
.card .meta{color:#5b5b6a;font-size:14px}
.card .price{margin-top:8px;font-weight:800;color:var(--vio-600)}

/* Forms */
.form{background:#fff;border:1px solid rgba(60,9,108,.12);border-radius:16px;padding:18px;box-shadow:0 8px 24px rgba(16,0,43,.05)}
.form-row{display:flex;gap:14px;flex-wrap:wrap}
.form-row .field{flex:1;min-width:240px}
label{display:block;margin-bottom:6px;color:#4a4765;font-weight:600}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],select,textarea{
  width:100%;padding:12px 12px;border:1px solid #d7c6ff;border-radius:12px;background:#fff;transition:border-color .15s,box-shadow .15s}
textarea{min-height:120px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--vio-500);box-shadow:0 0 0 4px rgba(157,78,221,.18)}

/* Buttons */
button{background:linear-gradient(90deg,var(--vio-500),var(--vio-400));color:#fff;border:none;border-radius:12px;padding:11px 16px;cursor:pointer;
  font-weight:700;letter-spacing:.2px;box-shadow:0 8px 18px rgba(60,9,108,.22);transition:transform .12s ease,box-shadow .12s ease,opacity .12s}
button:hover{transform:translateY(-1px);box-shadow:0 12px 22px rgba(60,9,108,.28)}
button.secondary{background:linear-gradient(90deg,var(--vio-700),var(--vio-600))}

/* Alerts */
.alert{padding:10px;border-radius:12px;margin-bottom:10px}
.alert.error{background:#fee2e2;color:#8a0f0f;border:1px solid #f7b4b4}
.alert.success{background:#e7ffef;color:#0f6c3a;border:1px solid #b8f3cf}

/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}
.gallery img{width:100%;height:200px;object-fit:cover;border-radius:12px;box-shadow:0 8px 18px rgba(16,0,43,.08)}

/* Filters */
.filters{background:#fff;border:1px solid rgba(60,9,108,.12);border-radius:16px;padding:14px;margin-bottom:18px;box-shadow:0 8px 24px rgba(16,0,43,.06)}

/* Footer */
.site-footer{background:#fff;border-top:1px solid rgba(60,9,108,.12);margin-top:40px}
.site-footer .container{padding:22px 0;color:#5b5b6a}

/* Links and headings */
h1,h2,h3{color:#1b1335}
a{color:var(--vio-600)}
a:hover{color:var(--vio-400)}