:root{
  --peach:#f5e1da; --peach-50:rgba(245,225,218,.5);
  --navy:#1B2455; --ink:#000; --bg:#F9F7F7; --white:#fff;
  --line:#ece7e7; --muted:#6c7088;
  --radius:12px; --shadow:0 8px 30px rgba(27,36,85,.07);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:"DM Sans",system-ui,sans-serif;font-size:16px;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
h1,h2,h3,legend{font-family:"Cabin",system-ui,sans-serif;font-weight:700;color:var(--navy)}
a{color:var(--navy);text-decoration:none}
img{max-width:100%}

/* Layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:248px;background:var(--navy);color:#fff;display:flex;flex-direction:column;padding:22px 18px;position:sticky;top:0;height:100vh}
.sidebar .brand{margin-bottom:28px;display:block;filter:brightness(0) invert(1)}
.sidebar nav{display:flex;flex-direction:column;gap:4px}
.sidebar nav a{color:#cfd3e6;padding:11px 14px;border-radius:8px;font-weight:500}
.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.12);color:#fff}
.sidebar-foot{margin-top:auto;font-size:14px;color:#aeb3cf;display:flex;flex-direction:column;gap:6px;padding-top:18px}
.sidebar-foot .logout{color:#fff;border:1px solid rgba(255,255,255,.3);padding:8px;border-radius:8px;text-align:center}
.content{flex:1;padding:34px 40px;max-width:1100px}

/* Entête de page */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;gap:16px}
.page-head h1{font-size:30px;margin:0}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:26px}
.stat-card{background:var(--white);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.stat-num{display:block;font-family:"Cabin";font-size:34px;font-weight:700;color:var(--navy)}
.stat-label{color:var(--muted);font-size:14px}

/* Recherche */
.search-bar{display:flex;gap:8px;margin-bottom:22px}
.search-bar input{flex:1;padding:11px 14px;border:1.5px solid var(--line);border-radius:8px;font-family:inherit;font-size:15px;background:#fff}

/* Tableau */
.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.data-table th,.data-table td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;vertical-align:middle}
.data-table th{background:var(--peach-50);font-family:"Cabin";color:var(--navy);font-size:13px;text-transform:uppercase;letter-spacing:.03em}
.data-table tr:last-child td{border-bottom:none}
.cell-video{display:flex;align-items:center;gap:12px}
.thumb{width:64px;height:38px;object-fit:cover;border-radius:6px;background:var(--peach);flex:none}
.thumb-empty{display:flex;align-items:center;justify-content:center;color:var(--navy);font-size:14px}
.vtitle{font-weight:500}
.cell-actions{white-space:nowrap;text-align:right}
.badge{display:inline-block;font-size:12px;padding:3px 9px;border-radius:999px;font-weight:500}
.badge-public{background:#e6f4ea;color:#1d6b3a}
.badge-private{background:#eef0f7;color:var(--navy)}
.badge-lock,.badge-exp{background:var(--peach);color:var(--navy)}

.empty{text-align:center;background:#fff;border-radius:var(--radius);padding:60px 20px;box-shadow:var(--shadow)}
.empty p{color:var(--muted);margin-bottom:16px}

/* Boutons */
.btn{display:inline-block;border:none;cursor:pointer;font-family:inherit;font-size:15px;font-weight:500;padding:10px 18px;border-radius:8px;background:var(--white);color:var(--navy);border:1.5px solid var(--line);transition:.15s}
.btn:hover{border-color:var(--navy)}
.btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-primary:hover{opacity:.9}
.btn-ghost{background:transparent}
.btn-danger{background:#c0392b;color:#fff;border-color:#c0392b}
.btn-sm{padding:7px 12px;font-size:13px}
.btn-block{display:block;width:100%;text-align:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Formulaire vidéo */
.form-grid{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start}
.form-main,.form-side{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
label{display:block;font-weight:500;color:var(--navy);margin-bottom:16px;font-size:15px}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=datetime-local],textarea,select{
  width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:8px;font-family:inherit;font-size:15px;margin-top:6px;background:#fff}
textarea{resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
fieldset{border:1px solid var(--line);border-radius:10px;padding:14px;margin:0 0 16px}
legend{padding:0 6px;font-size:14px}
.radio{font-weight:400;display:flex;align-items:center;gap:8px;margin-bottom:8px}
.radio input{width:auto;margin:0}
small{color:var(--muted)}

.upload-zone{border:2px dashed var(--peach);border-radius:10px;padding:18px;background:var(--peach-50)}
.upload-label{margin:0}
.progress{position:relative;height:26px;background:#eee;border-radius:999px;margin-top:14px;overflow:hidden}
.progress-bar{height:100%;width:0;background:var(--navy);transition:width .2s}
.progress-text{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--navy);font-weight:600}
.hidden{display:none}

.link-box{display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:var(--peach-50);border-radius:10px;padding:12px 16px;margin-bottom:20px}
.link-box code{background:#fff;padding:6px 10px;border-radius:6px;font-size:14px}
.thumb-preview{width:100%;border-radius:8px;margin-bottom:10px}

.sep{border:none;border-top:1px solid var(--line);margin:34px 0}
.danger-zone{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.replace-box,.delete-box{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.replace-box h3,.delete-box h3{margin:0 0 6px}
.replace-box p,.delete-box p{color:var(--muted);font-size:14px;margin:0 0 14px}
.delete-box{border:1px solid #f3dada}

/* Flash */
.flash{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:15px}
.flash-error{background:#fde8e8;color:#a12626}
.flash-success{background:#e6f4ea;color:#1d6b3a}

/* Connexion */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(160deg,var(--peach-50),var(--bg))}
.auth-card{background:#fff;border-radius:16px;box-shadow:var(--shadow);padding:40px;width:100%;max-width:380px;text-align:center}
.auth-logo{margin:0 auto 18px}
.auth-title{font-size:26px;margin:0}
.auth-sub{color:var(--muted);margin:.2em 0 22px}
.auth-form{text-align:left}
.auth-form label{margin-bottom:14px}

@media(max-width:900px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid,.danger-zone{grid-template-columns:1fr}
  .sidebar{width:74px;padding:18px 10px}
  .sidebar nav a span,.sidebar-foot .user{display:none}
  .content{padding:24px 18px}
}