/* ==========================================
   STUDIO YG V6 — CLEAN LAYOUT
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  --bg:#0a0b14;--bg2:#12131f;--bg3:#191a2a;--surface:#1e1f32;
  --border:rgba(255,255,255,.06);--border-h:rgba(255,255,255,.12);
  --text:#e8e6f0;--text2:rgba(232,230,240,.55);
  --accent:#6c63ff;--accent-h:#7f78ff;--accent-g:rgba(108,99,255,.12);
  --teal:#38d9a9;--gold:#f0c040;--red:#ff6b6b;
  --radius:14px;--radius-sm:10px;
  --sans:'Outfit',system-ui,-apple-system,sans-serif;
  --mono:'Space Grotesk',monospace;
  --sidebar-w:240px;--ease:cubic-bezier(.4,0,.2,1);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow:hidden;height:100dvh}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border-h);border-radius:99px}

/* LOGIN */
.login-screen{display:flex;align-items:center;justify-content:center;min-height:100dvh;background:var(--bg);padding:20px}
.login-card{width:100%;max-width:380px;text-align:center}
.login-mark{width:64px;height:64px;background:var(--accent);color:#fff;font-family:var(--mono);font-weight:700;font-size:24px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;margin-bottom:24px}
.login-card h1{font-size:32px;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}
.login-card p{color:var(--text2);margin-bottom:32px;font-size:14px}
.login-card form{display:flex;flex-direction:column;gap:12px}
.login-card input{background:var(--surface);border:1px solid var(--border);color:var(--text);padding:14px 18px;border-radius:var(--radius-sm);font-size:15px;font-family:var(--sans);outline:none;transition:border .2s var(--ease)}
.login-card input:focus{border-color:var(--accent)}
.login-card button{background:var(--accent);color:#fff;border:none;padding:14px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all .2s var(--ease);font-family:var(--sans)}
.login-card button:hover{background:var(--accent-h);transform:translateY(-1px)}

/* TOP NAV (mobile) */
.topnav{display:none;position:fixed;top:0;left:0;right:0;height:52px;background:var(--bg2);border-bottom:1px solid var(--border);z-index:200;align-items:center;padding:0 16px;gap:12px}
.menu-btn{background:none;border:none;width:32px;height:32px;display:flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}
.menu-btn span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px}
.topnav-brand{flex:1;font-weight:600;font-size:16px;letter-spacing:-.01em}
.topnav-brand strong{color:var(--accent)}
.topnav-badge{background:var(--accent-g);color:var(--accent);padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}

/* SIDEBAR */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:300;transition:transform .3s var(--ease)}
.sidebar-brand{padding:20px;display:flex;align-items:center;gap:12px}
.brand-mark{width:36px;height:36px;background:var(--accent);color:#fff;font-family:var(--mono);font-weight:700;font-size:14px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.brand-name{font-weight:700;font-size:18px;letter-spacing:-.02em}
.sidebar-nav{flex:1;overflow-y:auto;padding:0 10px}
.nav-section-label{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text2);padding:14px 12px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--text2);text-decoration:none;font-size:13.5px;font-weight:450;cursor:pointer;transition:all .15s var(--ease);margin-bottom:1px}
.nav-item:hover{background:var(--accent-g);color:var(--text)}
.nav-item.active{background:var(--accent-g);color:var(--accent);font-weight:600}
.nav-ico{width:17px;height:17px;flex-shrink:0;opacity:.7}
.nav-item.active .nav-ico{opacity:1;color:var(--accent)}
.nav-divider{height:1px;background:var(--border);margin:6px 12px}
.sidebar-footer{padding:12px;border-top:1px solid var(--border)}
.logout-btn{width:100%;padding:9px;background:transparent;border:1px solid var(--border);color:var(--text2);border-radius:var(--radius-sm);font-size:12px;cursor:pointer;font-family:var(--sans)}
.logout-btn:hover{border-color:var(--red);color:var(--red)}
.overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:250;}

/* MAIN — full viewport, scrollable */
.main{margin-left:var(--sidebar-w);height:100dvh;overflow-y:auto;padding:24px 28px;transition:margin .3s var(--ease)}

/* PANELS */
.panel{display:none;animation:fadeUp .25s var(--ease)}
.panel.active{display:flex;flex-direction:column}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

/* Panel layout: form on top, results fill remaining space */
.panel-form{flex-shrink:0}
.panel-results{flex:1;min-height:0;overflow-y:auto;margin-top:16px;padding-right:4px}

/* SUB TABS */
.sub-tabs{display:flex;gap:6px;margin-bottom:16px;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch;flex-shrink:0}
.sub-tab{background:var(--surface);border:1px solid var(--border);color:var(--text2);padding:7px 14px;border-radius:99px;font-size:12.5px;font-weight:500;cursor:pointer;white-space:nowrap;transition:all .15s var(--ease);font-family:var(--sans)}
.sub-tab:hover{border-color:var(--border-h);color:var(--text)}
.sub-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}
.sub-panel{display:none;animation:fadeUp .2s var(--ease)}
.sub-panel.active{display:flex;flex-direction:column;flex:1;min-height:0}

/* CARD */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;transition:border .2s var(--ease);flex-shrink:0}
.card:hover{border-color:var(--border-h)}
.card h3{font-size:16px;font-weight:600;letter-spacing:-.01em;margin-bottom:12px}
.hint{color:var(--text2);font-size:12px;margin-bottom:12px}

/* FIELDS — compact */
.field{margin-bottom:12px}
.field label{display:block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text2);margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;background:var(--bg3);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:8px;font-size:13.5px;font-family:var(--sans);outline:none;transition:border .2s var(--ease)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}
.field textarea{resize:vertical;min-height:40px}
.field select{cursor:pointer;-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236c63ff' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:32px}
.field-row{display:flex;gap:10px}
.field-sm{max-width:90px}
.char-hint{display:block;text-align:right;font-size:10px;color:var(--text2);margin-top:3px}

/* BUTTONS */
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.btn{background:var(--accent);color:#fff;border:none;padding:10px 20px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s var(--ease);font-family:var(--sans);display:inline-flex;align-items:center;gap:6px}
.btn:hover{background:var(--accent-h);transform:translateY(-1px);box-shadow:0 4px 14px rgba(108,99,255,.2)}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text2)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-g);box-shadow:none}
.btn-sm{padding:6px 12px;font-size:11.5px;border-radius:6px}
.btn-audio-inline{background:var(--accent-g);color:var(--accent);border:1px solid rgba(108,99,255,.2);padding:6px 12px;border-radius:6px;font-size:11.5px;font-weight:600;cursor:pointer;transition:all .15s var(--ease);font-family:var(--sans)}
.btn-audio-inline:hover{background:var(--accent);color:#fff}
.btn-audio-inline:disabled{opacity:.4;cursor:not-allowed}
.btn-copy-inline{background:rgba(255,255,255,.04);color:var(--text2);border:1px solid var(--border);padding:6px 12px;border-radius:6px;font-size:11.5px;cursor:pointer;font-family:var(--sans)}
.btn-copy-inline:hover{border-color:var(--teal);color:var(--teal)}

/* RESULTS */
.results{flex:1;overflow-y:auto;min-height:0;padding-right:4px}
.result-block{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:12px;transition:border .2s var(--ease)}
.result-block:hover{border-color:var(--accent)}
.result-content{white-space:pre-wrap;line-height:1.7;font-size:14px;margin-bottom:14px}
.result-bar{display:flex;gap:6px;flex-wrap:wrap;padding-top:12px;border-top:1px solid var(--border)}
.result-code pre{background:#07080f;padding:14px;border-radius:8px;overflow-x:auto;font-size:12px;line-height:1.5;font-family:var(--mono);max-height:300px;overflow-y:auto}
.result-preview iframe{width:100%;height:400px;border:1px solid var(--border);border-radius:8px;background:#fff;margin-top:10px}
.inline-player{margin-top:10px;display:none}
.inline-player audio{width:100%;border-radius:6px}
.inline-player-actions{display:flex;gap:6px;margin-top:6px}
.empty{text-align:center;padding:24px;color:var(--text2);font-size:13px}

/* AUDIO */
.card audio{width:100%;margin:10px 0;border-radius:6px}
.audio-meta{font-size:12px;color:var(--text2);margin-bottom:10px}
.history-item{display:flex;justify-content:space-between;align-items:center;padding:10px;background:var(--bg3);border:1px solid var(--border);border-radius:8px;margin-bottom:6px;transition:border .15s var(--ease)}
.history-item:hover{border-color:var(--accent)}
.history-item h4{font-size:13px;color:var(--accent);margin-bottom:2px;font-weight:500}
.history-item p{font-size:12px;color:var(--text);opacity:.8;margin:0}
.history-item small{font-size:10px;color:var(--text2)}
.hist-btns{display:flex;gap:4px}
.hist-btn{background:var(--accent-g);border:1px solid rgba(108,99,255,.2);color:var(--accent);width:28px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px;transition:all .15s var(--ease)}
.hist-btn:hover{background:var(--accent);color:#fff}

/* CHAT */
.chat-wrap{display:flex;flex-direction:column;height:calc(100dvh - 56px)}
.chat-feed{flex:1;overflow-y:auto;padding:12px 0;display:flex;flex-direction:column;gap:10px}
.msg{max-width:80%}
.msg-user{align-self:flex-end}
.msg-ai{align-self:flex-start}
.bubble{padding:10px 14px;border-radius:12px;line-height:1.6;font-size:14px;white-space:pre-wrap}
.msg-user .bubble{background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.msg-ai .bubble{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px}
.msg-actions{display:flex;gap:6px;margin-top:6px}
.chat-bar{display:flex;gap:10px;padding:12px 0 0;border-top:1px solid var(--border);align-items:flex-end;flex-shrink:0}
.chat-bar textarea{flex:1;background:var(--surface);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:8px;font-size:13.5px;font-family:var(--sans);outline:none;resize:none;max-height:100px}
.chat-bar textarea:focus{border-color:var(--accent)}
.btn-send{width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:10px;flex-shrink:0}

/* TOASTS */
.toasts{position:fixed;top:12px;right:12px;z-index:9999;display:flex;flex-direction:column;gap:6px;pointer-events:none}
.toast{padding:10px 16px;border-radius:8px;font-size:12.5px;font-weight:500;pointer-events:auto;animation:slideIn .3s var(--ease);backdrop-filter:blur(12px)}
.toast-ok{background:rgba(56,217,169,.92);color:#07080f}
.toast-err{background:rgba(255,107,107,.92);color:#fff}
.toast-info{background:rgba(108,99,255,.92);color:#fff}
@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

.spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .5s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* RESPONSIVE */
@media(max-width:768px){
  body{overflow:auto;height:auto}
  .topnav{display:flex}
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none}
  .overlay.show{display:block}
  .main{margin-left:0;height:auto;min-height:100dvh;padding:64px 14px 20px}
  .field-row{flex-direction:column}
  .sub-tabs{gap:4px}.sub-tab{padding:6px 11px;font-size:11.5px}
  .msg{max-width:92%}
  .chat-wrap{height:calc(100dvh - 64px)}
  .result-preview iframe{height:300px}
}

/* MOBILE SIDEBAR FIX */
@media(max-width:768px){
  .sidebar{
    background:var(--bg2) !important;
    width:280px !important;
    box-shadow:8px 0 32px rgba(0,0,0,.5);
    padding-top:60px;
  }
  .sidebar.open{
    transform:translateX(0) !important;
  }
  .sidebar .nav-item{
    font-size:15px !important;
    padding:12px 16px !important;
  }
  .sidebar .nav-ico{
    width:20px !important;
    height:20px !important;
  }
  .sidebar .nav-section-label{
    font-size:12px !important;
    padding:18px 16px 8px !important;
  }
  .overlay{
    backdrop-filter:none !important;
    -webkit-backdrop-filter:none !important;
    background:rgba(0,0,0,.5) !important;
  }
}

/* EDIT MODE */
.result-edit{width:100%;background:var(--bg);border:2px solid var(--accent);color:var(--text);padding:16px;border-radius:8px;font-size:14px;font-family:var(--sans);line-height:1.7;resize:vertical;min-height:100px;outline:none;transition:border .2s var(--ease)}
.result-edit:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(56,217,169,.12)}
.btn-edit-inline{background:rgba(240,192,64,.1);color:var(--gold);border:1px solid rgba(240,192,64,.25);padding:6px 12px;border-radius:6px;font-size:11.5px;font-weight:600;cursor:pointer;transition:all .15s var(--ease);font-family:var(--sans)}
.btn-edit-inline:hover{background:var(--gold);color:var(--bg)}

/* PROJECTS */
.project-bar{margin-bottom:12px}
.project-bar select{width:100%;background:var(--bg3);border:1px solid var(--accent);color:var(--accent);padding:8px 12px;border-radius:8px;font-size:13px;font-family:var(--sans);cursor:pointer}
.project-badge{display:inline-block;background:var(--accent-g);color:var(--accent);padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600;margin-right:6px}
.project-badge.done{background:rgba(56,217,169,.12);color:var(--teal)}
.project-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px;cursor:pointer;transition:all .15s var(--ease)}
.project-card:hover{border-color:var(--accent);transform:translateY(-1px)}
.project-card h4{font-size:15px;font-weight:600;margin-bottom:4px}
.project-card p{font-size:12px;color:var(--text2);margin:0}
.project-card .project-meta{display:flex;gap:8px;align-items:center;margin-top:8px}
.project-chapters{margin-bottom:16px}
.chapter-item{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:8px;transition:border .15s var(--ease)}
.chapter-item:hover{border-color:var(--accent)}
.chapter-item h5{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:4px}
.chapter-item p{font-size:12.5px;line-height:1.5;color:var(--text);max-height:80px;overflow:hidden}
.chapter-actions{display:flex;gap:6px;margin-top:8px}

/* AUDIO INTÉGRÉ DANS LES RÉSULTATS */
.result-audio{background:var(--bg);border:1px solid rgba(108,99,255,.15);border-radius:8px;padding:12px;margin-top:10px}
.result-audio audio{width:100%;height:40px;border-radius:6px}
.result-audio-bar{display:flex;align-items:center;gap:8px;margin-top:8px}
.result-audio-info{font-size:11px;color:var(--text2);margin-left:auto}

/* LP IMPORT BOX */
.lp-import-box{background:var(--accent-g);border:1px solid rgba(108,99,255,.25);border-radius:var(--radius-sm);padding:14px;margin-bottom:16px}
.lp-import-badge{display:inline-block;background:var(--accent);color:#fff;padding:3px 8px;border-radius:4px;font-size:11px;font-weight:600;margin-bottom:8px}