/* ============================================================
   ROYAL ACADEMY — plateforme de formation
   Noir profond · ivoire · or
   ============================================================ */
:root{
  --bg:#08070a; --bg2:#0f0d10; --bg3:#17141a; --bg4:#1f1b23;
  --ivory:#f4efe4; --dim:#b9b3a6; --mute:#7d786e;
  --gold:#cda75a; --gold2:#e8c377;
  --line:rgba(244,239,228,.12);
  --ok:#3fcf74; --err:#ff8a80;
  --font-d:'Playfair Display',Georgia,serif;
  --font-b:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  --r:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ivory);font:15px/1.6 var(--font-b);-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
[hidden]{display:none!important}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;white-space:nowrap}
.btn:active{transform:scale(.97)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-gold{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#1a1305;box-shadow:0 8px 26px -12px rgba(205,167,90,.6)}
.btn-gold:hover:not([disabled]){transform:translateY(-1px);box-shadow:0 10px 30px -10px rgba(205,167,90,.8)}
.btn-line{border-color:rgba(244,239,228,.3);color:var(--ivory);background:transparent}
.btn-line:hover:not([disabled]){border-color:var(--gold);background:rgba(205,167,90,.08)}
.btn-danger{border-color:rgba(255,138,128,.4);color:var(--err);background:transparent}
.btn-danger:hover:not([disabled]){background:rgba(255,138,128,.1)}
.btn-sm{padding:7px 14px;font-size:12.5px}
.btn-block{width:100%}

/* ---------- Formulaires ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--dim);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:10px;border:1.5px solid var(--line);background:var(--bg3);color:var(--ivory);font:inherit;transition:border-color .2s}
.field textarea{min-height:90px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold)}
.field input::placeholder,.field textarea::placeholder{color:rgba(244,239,228,.28)}
.field .hint{font-size:12px;color:var(--mute);margin-top:5px}
.check{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--dim);cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--gold)}

.msg{padding:11px 14px;border-radius:10px;font-size:13.5px;margin-bottom:16px;border:1px solid var(--line);background:var(--bg3)}
.msg.err{border-color:rgba(255,138,128,.4);color:var(--err);background:rgba(255,138,128,.07)}
.msg.ok{border-color:rgba(63,207,116,.4);color:var(--ok);background:rgba(63,207,116,.07)}

/* ---------- Écrans d'authentification ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow:hidden}
.auth-wrap::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 45% at 20% 10%,rgba(205,167,90,.14),transparent 60%),radial-gradient(ellipse 50% 40% at 90% 90%,rgba(61,123,240,.1),transparent 60%)}
.auth-card{position:relative;width:100%;max-width:420px;background:var(--bg2);border:1px solid var(--line);border-radius:18px;padding:36px 30px}
.brand{font-family:var(--font-d);font-weight:700;letter-spacing:.06em;color:var(--gold2);font-size:15px;text-transform:uppercase;margin:0 0 6px}
.auth-card h1{font-family:var(--font-d);font-size:28px;line-height:1.2;margin:0 0 8px}
.auth-card .sub{color:var(--dim);font-size:14px;margin:0 0 26px}
.auth-links{margin-top:18px;text-align:center;font-size:13px;color:var(--dim)}
.auth-links a{color:var(--gold2)}

/* ---------- En-tête d'application ---------- */
.topbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 24px;background:rgba(8,7,10,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .brand{margin:0}
.topbar-right{display:flex;align-items:center;gap:10px}
.topbar .who{font-size:13px;color:var(--dim);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:560px){.topbar{padding:12px 16px}.topbar .who{display:none}}

.page{max-width:1100px;margin:0 auto;padding:40px 24px 80px}
.page h1{font-family:var(--font-d);font-size:clamp(26px,4vw,38px);margin:0 0 6px}
.page .lead{color:var(--dim);margin:0 0 30px}

/* ---------- Catalogue ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{background:var(--bg3);border:1px solid var(--line);border-radius:16px;overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,border-color .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(205,167,90,.45)}
.card-cover{aspect-ratio:16/8;background:radial-gradient(ellipse 70% 80% at 30% 20%,rgba(205,167,90,.28),transparent 65%),linear-gradient(160deg,#1c1720,#0d0b0e);background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:16px}
.card-cover span{font-family:var(--font-d);font-weight:700;color:var(--gold2);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-family:var(--font-d);font-size:19px;line-height:1.3;margin:0}
.card-body p{margin:0;color:var(--dim);font-size:13.5px}
.bar{height:6px;border-radius:99px;background:rgba(244,239,228,.1);overflow:hidden}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));border-radius:99px;transition:width .4s}
.bar-label{display:flex;justify-content:space-between;font-size:12px;color:var(--mute);margin-top:6px}
.empty{border:1px dashed var(--line);border-radius:16px;padding:48px 24px;text-align:center;color:var(--dim)}

/* ---------- Lecteur de formation ---------- */
.player-layout{display:grid;grid-template-columns:340px 1fr;min-height:calc(100vh - 57px)}
.sidebar{border-right:1px solid var(--line);background:var(--bg2);overflow-y:auto;max-height:calc(100vh - 57px);position:sticky;top:57px}
.side-head{padding:20px 20px 14px;border-bottom:1px solid var(--line)}
.side-head h2{font-family:var(--font-d);font-size:16px;line-height:1.35;margin:0 0 12px}
.mod{border-bottom:1px solid var(--line)}
.mod-title{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:14px 20px;background:none;border:none;color:var(--ivory);text-align:left;font-size:13.5px;font-weight:600;cursor:pointer;line-height:1.4}
.mod-title:hover{background:rgba(244,239,228,.03)}
.mod-title .chev{transition:transform .25s;color:var(--mute);flex-shrink:0}
.mod.open .chev{transform:rotate(180deg)}
.mod-lessons{display:none;padding-bottom:8px}
.mod.open .mod-lessons{display:block}
.les{width:100%;display:flex;gap:11px;align-items:flex-start;padding:10px 20px 10px 24px;background:none;border:none;border-left:3px solid transparent;color:var(--dim);font-size:13px;text-align:left;cursor:pointer;line-height:1.4}
.les:hover{background:rgba(244,239,228,.03);color:var(--ivory)}
.les.active{border-left-color:var(--gold);background:rgba(205,167,90,.08);color:var(--ivory)}
.dot{width:18px;height:18px;border-radius:50%;border:1.5px solid var(--mute);flex-shrink:0;margin-top:1px;display:flex;align-items:center;justify-content:center;font-size:11px;color:#06120a}
.les.done .dot{background:var(--ok);border-color:var(--ok)}
.main{padding:28px 32px 70px;min-width:0}
.crumb{font-size:12.5px;color:var(--mute);margin-bottom:8px}
.main h1{font-family:var(--font-d);font-size:clamp(22px,3vw,30px);line-height:1.25;margin:0 0 20px}
.video{position:relative;aspect-ratio:16/9;background:#000;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--mute);text-align:center;padding:20px}
.lesson-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin:20px 0}
.lesson-actions .nav{display:flex;gap:10px}
.desc{color:var(--dim);white-space:pre-wrap;margin-bottom:24px}
.res h3{font-size:14px;margin:0 0 10px;color:var(--gold2);letter-spacing:.05em;text-transform:uppercase}
.res a{display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;background:var(--bg3);margin-bottom:8px;font-size:14px}
.res a:hover{border-color:var(--gold)}
.side-toggle{display:none}
@media(max-width:900px){
  .player-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;max-height:none;border-right:none;border-bottom:1px solid var(--line);display:none}
  .sidebar.show{display:block}
  .side-toggle{display:inline-flex}
  .main{padding:20px 16px 60px}
}

/* ---------- Admin ---------- */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:28px}
.tab{padding:11px 18px;background:none;border:none;border-bottom:2px solid transparent;color:var(--dim);font-weight:600;font-size:14px;cursor:pointer}
.tab.active{color:var(--gold2);border-bottom-color:var(--gold)}
.split{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}
@media(max-width:800px){.split{grid-template-columns:minmax(0,1fr)}}
.split>*,.player-layout>*{min-width:0}
.lesson-actions .nav{flex-wrap:wrap}
.table-wrap{overflow-x:auto;max-width:100%}
.list{display:flex;flex-direction:column;gap:6px}
.list-item{padding:11px 14px;border-radius:10px;border:1px solid var(--line);background:var(--bg3);cursor:pointer;font-size:14px;text-align:left;color:var(--ivory)}
.list-item.active{border-color:var(--gold);background:rgba(205,167,90,.08)}
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:24px;margin-bottom:20px}
.panel h2{font-family:var(--font-d);font-size:20px;margin:0 0 18px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1;min-width:160px}
.mod-card{border:1px solid var(--line);border-radius:12px;background:var(--bg3);margin-bottom:14px}
.mod-card-head{display:flex;gap:8px;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.mod-card-head input{flex:1;background:transparent;border:1px solid transparent;color:var(--ivory);font:600 14px var(--font-b);padding:6px 8px;border-radius:8px;min-width:0}
.mod-card-head input:focus{outline:none;border-color:var(--gold);background:var(--bg)}
.les-row{display:flex;align-items:center;gap:8px;padding:9px 14px;border-bottom:1px solid var(--line);font-size:13.5px}
.les-row:last-of-type{border-bottom:none}
.les-row .t{flex:1;min-width:0}
.les-row .tag{font-size:11px;padding:2px 8px;border-radius:99px;border:1px solid var(--line);color:var(--mute)}
.les-row .tag.yt{color:var(--ok);border-color:rgba(63,207,116,.4)}
.icon-btn{background:none;border:1px solid var(--line);color:var(--dim);border-radius:8px;width:30px;height:30px;cursor:pointer;font-size:13px}
.icon-btn:hover{border-color:var(--gold);color:var(--ivory)}
.add-row{padding:10px 14px}
table.t{width:100%;border-collapse:collapse;font-size:13.5px}
.t th{text-align:left;color:var(--mute);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.06em;padding:10px 12px;border-bottom:1px solid var(--line)}
.t td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
.t .bar{min-width:90px}
.table-wrap{overflow-x:auto}
.pill{font-size:11.5px;padding:3px 9px;border-radius:99px;border:1px solid var(--line);color:var(--dim)}
.pill.ok{color:var(--ok);border-color:rgba(63,207,116,.4)}
.pill.wait{color:var(--gold2);border-color:rgba(205,167,90,.4)}

.modal-back{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}
.modal{background:var(--bg2);border:1px solid var(--line);border-radius:16px;padding:26px;width:100%;max-width:560px;max-height:92vh;overflow-y:auto}
.modal h3{font-family:var(--font-d);font-size:20px;margin:0 0 18px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}

.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--bg4);border:1px solid var(--line);padding:11px 20px;border-radius:99px;font-size:13.5px;z-index:200;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.toast.err{border-color:rgba(255,138,128,.5);color:var(--err)}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--gold);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:60px;color:var(--dim)}

.cover-box{aspect-ratio:1200/630;max-width:420px;border-radius:10px;border:1.5px dashed var(--line);background:var(--bg3) center/cover no-repeat;display:flex;align-items:center;justify-content:center;color:var(--mute);font-size:13px}