/* ═══════════════════════════════════
   CLOSERIAI — Styles principaux
   ═══════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body,#root{height:100%;background:#0d0d0f;color:#ececf1;font-family:'Sora',sans-serif;font-size:14px}
::-webkit-scrollbar{width:4px}
::-webkit-scrollbar-thumb{background:#2e2e3a;border-radius:4px}
button{font-family:'Sora',sans-serif}

:root{
  --bg:#0d0d0f; --sidebar:#111113; --surface:#18181c; --surface2:#1e1e24;
  --border:#252530; --border2:#2e2e3a; --text:#ececf1; --text2:#acacbe;
  --muted:#666680; --red:#ff4757; --purple:#8b5cf6; --green:#10b981;
}

/* ── AUTH ── */
#auth-screen{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;align-items:center;justify-content:center}
.auth-box{text-align:center;width:90%;max-width:360px}
.auth-icon{font-size:40px;margin-bottom:16px}
.auth-title{font-size:28px;font-weight:800;color:#f0f0ff;letter-spacing:-.5px;margin-bottom:6px}
.auth-sub{font-size:13px;color:#555;margin-bottom:28px;line-height:1.6}
.auth-input{width:100%;background:#111;border:1px solid var(--border);border-radius:12px;padding:14px 16px;color:#f0f0f0;font-size:16px;font-family:'JetBrains Mono',monospace;outline:none;text-align:center;letter-spacing:3px;margin-bottom:10px;transition:border-color .2s}
.auth-input:focus{border-color:rgba(232,74,95,.5)}
.auth-input::placeholder{color:#333;letter-spacing:0;font-family:'Sora',sans-serif;font-size:13px}
.auth-btn{width:100%;background:linear-gradient(135deg,var(--red),var(--purple));border:none;border-radius:12px;padding:14px;color:#fff;font-size:15px;font-weight:700;cursor:pointer;transition:opacity .2s;box-shadow:0 4px 20px rgba(232,74,95,.3)}
.auth-btn:hover{opacity:.88}
.auth-msg{font-size:12px;margin-top:10px;min-height:18px}
.auth-msg.err{color:#ef4444}
.auth-msg.ok{color:var(--green)}
.auth-hint{margin-top:20px;font-size:11px;color:#333}

/* ── APP ── */
#app{display:none;height:100vh;overflow:hidden}
#app.show{display:flex}

/* ── SIDEBAR ── */
#sidebar{width:260px;flex-shrink:0;background:var(--sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;height:100vh;overflow:hidden;transition:transform .25s ease;z-index:20}
.sidebar-top{padding:14px 12px 10px;flex-shrink:0}
.new-chat-btn{width:100%;display:flex;align-items:center;gap:10px;background:transparent;border:1px solid var(--border2);border-radius:10px;padding:10px 14px;color:var(--text2);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}
.new-chat-btn:hover{background:var(--surface);color:var(--text)}
.sidebar-label{font-size:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:var(--muted);padding:14px 16px 6px}
#history-list{flex:1;overflow-y:auto;padding:0 8px 8px}
.empty-history{padding:16px;text-align:center;color:var(--muted);font-size:12px}
.hist-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:8px;cursor:pointer;transition:all .15s;color:var(--text2);font-size:12.5px}
.hist-item:hover{background:var(--surface);color:var(--text)}
.hist-item.active{background:var(--surface2);color:var(--text)}
.hist-icon{font-size:13px;flex-shrink:0}
.hist-item-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist-item-del{display:none;width:20px;height:20px;border-radius:5px;background:transparent;border:none;color:var(--muted);font-size:11px;cursor:pointer;align-items:center;justify-content:center}
.hist-item:hover .hist-item-del{display:flex}
.hist-item-del:hover{background:rgba(255,71,87,.15);color:var(--red)}
.sidebar-bottom{padding:12px;border-top:1px solid var(--border);flex-shrink:0}
.ctx-toggle-btn{width:100%;display:flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--border2);border-radius:8px;padding:9px 12px;color:var(--muted);font-size:12px;font-weight:500;cursor:pointer;transition:all .2s}
.ctx-toggle-btn:hover{background:var(--surface);color:var(--text2)}
.ctx-toggle-btn.has-ctx{color:var(--green);border-color:rgba(16,185,129,.25)}
.ctx-dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex-shrink:0}
#ctx-drawer{display:none;background:var(--surface);border-top:1px solid var(--border);padding:12px;flex-shrink:0}
#ctx-drawer.open{display:block}
.ctx-field{margin-bottom:8px}
.ctx-field label{font-size:10px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:3px}
.ctx-field input{width:100%;background:var(--surface2);border:1px solid var(--border2);border-radius:7px;padding:7px 10px;color:var(--text);font-size:12px;font-family:'Sora',sans-serif;outline:none}
.ctx-field input:focus{border-color:rgba(139,92,246,.4)}
.ctx-field input::placeholder{color:var(--muted)}

/* ── MAIN ── */
#main{flex:1;display:flex;flex-direction:column;height:100vh;overflow:hidden}
#topbar{display:flex;align-items:center;gap:10px;padding:0 16px;height:52px;border-bottom:1px solid var(--border);background:rgba(13,13,15,.9);backdrop-filter:blur(20px);flex-shrink:0;z-index:10}
.toggle-btn{width:32px;height:32px;border-radius:8px;background:transparent;border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);transition:all .2s;flex-shrink:0}
.toggle-btn:hover{color:var(--text);background:var(--surface)}
.topbar-title{font-weight:600;font-size:14px;color:var(--text);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.logout-btn{background:transparent;border:1px solid var(--border2);border-radius:8px;padding:5px 10px;color:var(--muted);font-size:11px;font-weight:600;cursor:pointer;transition:all .2s;flex-shrink:0}
.logout-btn:hover{color:#ef4444;border-color:rgba(239,68,68,.3)}

/* ── CHAT ── */
#chat{flex:1;overflow-y:auto}
.chat-wrap{max-width:720px;margin:0 auto;padding:28px 20px 20px}

/* ── EMPTY STATE ── */
#empty{text-align:center;padding:48px 16px 32px;animation:fadeIn .4s ease}
.empty-logo{font-size:40px;margin-bottom:16px}
.empty-title{font-size:24px;font-weight:700;color:var(--text);letter-spacing:-.5px;margin-bottom:8px}
.empty-sub{font-size:13px;color:var(--muted);margin-bottom:32px}
.suggestions-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;max-width:540px;margin:0 auto}
.upload-card{grid-column:1/-1;background:var(--surface);border:1px dashed var(--border2);border-radius:14px;padding:18px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:14px}
.upload-card:hover{border-color:rgba(139,92,246,.4);background:rgba(139,92,246,.04)}
.upload-icon{font-size:26px;flex-shrink:0}
.upload-title{font-size:13px;font-weight:600;color:var(--text2);margin-bottom:2px}
.upload-hint{font-size:11px;color:var(--muted)}
.suggestion-card{background:var(--surface);border:1px solid var(--border2);border-radius:14px;padding:14px;cursor:pointer;text-align:left;transition:all .2s}
.suggestion-card:hover{background:var(--surface2);border-color:rgba(139,92,246,.3);transform:translateY(-1px)}
.s-icon{font-size:20px;margin-bottom:6px}
.s-text{font-size:12.5px;color:var(--text2);line-height:1.5}

/* ── MESSAGES ── */
.msg-group{margin-bottom:24px;animation:fadeUp .3s ease}
.msg-user-row{display:flex;justify-content:flex-end;margin-bottom:5px}
.msg-user-bubble{background:var(--surface2);border:1px solid var(--border2);border-radius:18px 18px 4px 18px;padding:11px 16px;max-width:80%;color:var(--text);font-size:14px;line-height:1.7}
.msg-user-img-row{display:flex;justify-content:flex-end;margin-bottom:5px}
.msg-user-img-wrap{max-width:260px;border-radius:12px;overflow:hidden;border:1px solid var(--border2)}
.msg-user-img-wrap img{width:100%;display:block;max-height:360px;object-fit:contain;background:var(--surface)}
.msg-ai-row{display:flex;gap:10px;align-items:flex-start}
.ai-avatar{width:30px;height:30px;border-radius:9px;flex-shrink:0;margin-top:2px;background:linear-gradient(135deg,var(--red),var(--purple));display:flex;align-items:center;justify-content:center;font-size:14px}
.msg-ai-content{flex:1;min-width:0}
.msg-plain{background:var(--surface);border:1px solid var(--border2);border-radius:12px;padding:13px 16px;color:var(--text);font-size:14px;line-height:1.8;white-space:pre-wrap;word-break:break-word}

/* ── AI CARDS ── */
.ai-cards{display:flex;flex-direction:column;gap:8px}
.ai-card{border-radius:12px;overflow:hidden}
.ai-card-header{display:flex;align-items:center;gap:7px;padding:10px 13px 0}
.card-emoji{font-size:14px}
.ai-card-label{font-size:10px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase}
.ai-card-body{padding:8px 13px 13px;font-size:13.5px;line-height:1.85;white-space:pre-wrap;color:var(--text2);position:relative;word-break:break-word}
.ai-card-body.hc{padding-right:76px}
.card-fire{background:rgba(255,71,87,.06);border:1px solid rgba(255,71,87,.15)}
.card-fire .ai-card-label{color:#ff6b7a}
.card-soft{background:rgba(139,92,246,.06);border:1px solid rgba(139,92,246,.15)}
.card-soft .ai-card-label{color:#a78bfa}
.card-express{background:rgba(245,158,11,.06);border:1px solid rgba(245,158,11,.15)}
.card-express .ai-card-label{color:#fbbf24}
.card-brain{background:rgba(16,185,129,.04);border:1px solid rgba(16,185,129,.12)}
.card-brain .ai-card-label{color:#34d399}
.card-brain .ai-card-body{color:#6ee7b7;font-size:13px}
.copy-btn{position:absolute;top:6px;right:8px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:7px;padding:5px 10px;color:var(--muted);font-size:11px;font-weight:600;cursor:pointer;font-family:'JetBrains Mono',monospace;transition:all .2s}
.copy-btn:hover{color:var(--text)}
.copy-btn.ok{color:var(--green);border-color:rgba(16,185,129,.3);background:rgba(16,185,129,.07)}
.copy-all-btn{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:8px;background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.2);border-radius:10px;padding:9px 16px;color:#a78bfa;font-size:12px;font-weight:700;cursor:pointer;transition:all .2s;width:100%}
.copy-all-btn:hover{background:rgba(139,92,246,.14)}
.copy-all-btn.ok{color:var(--green);border-color:rgba(16,185,129,.3);background:rgba(16,185,129,.07)}
.typing-cursor::after{content:'|';animation:blinkC .7s ease infinite;color:var(--purple);margin-left:1px}

/* ── LOADING ── */
.loading-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:16px}
.loading-bubble{background:var(--surface);border:1px solid var(--border2);border-radius:12px;padding:14px 18px;display:flex;align-items:center;gap:8px}
.dot{width:5px;height:5px;border-radius:50%;background:var(--purple);animation:dotP 1.4s infinite}
.dot:nth-child(2){animation-delay:.15s}.dot:nth-child(3){animation-delay:.3s}
.loading-text{color:var(--muted);font-size:12px;margin-left:4px}

/* ── INPUT ── */
#input-area{padding:10px 16px 18px;border-top:1px solid var(--border);background:rgba(13,13,15,.96);backdrop-filter:blur(20px);flex-shrink:0;z-index:10}
.input-wrap{max-width:720px;margin:0 auto}
#pending-imgs{display:none;gap:6px;flex-wrap:wrap;margin-bottom:8px;padding:8px 10px;background:var(--surface);border:1px solid var(--border2);border-radius:10px}
#pending-imgs.show{display:flex}
.pending-img-wrap{position:relative}
.pending-img-thumb{width:52px;height:52px;object-fit:cover;border-radius:7px;border:1px solid var(--border2);display:block}
.pending-remove{position:absolute;top:-4px;right:-4px;width:16px;height:16px;border-radius:50%;background:var(--red);border:2px solid var(--bg);color:#fff;font-size:8px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.pending-count{display:flex;align-items:center;color:var(--muted);font-size:11px;margin-left:4px}
.input-box{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border2);border-radius:14px;padding:5px 5px 5px 14px;transition:border-color .2s}
.input-box:focus-within{border-color:rgba(139,92,246,.4)}
#text-input{flex:1;background:transparent;border:none;outline:none;color:var(--text);font-size:16px;font-family:'Sora',sans-serif;padding:9px 0;line-height:1.5}
#text-input::placeholder{color:var(--muted);font-size:14px}
.input-actions{display:flex;align-items:center;gap:6px;flex-shrink:0}
.img-btn{width:36px;height:36px;border-radius:9px;background:transparent;border:1px solid var(--border2);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);font-size:16px;transition:all .2s}
.img-btn:hover{background:var(--surface2);color:var(--text2)}
#send-btn{width:36px;height:36px;border-radius:9px;border:none;background:var(--surface2);color:var(--muted);font-size:18px;cursor:default;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0}
#send-btn.on{background:linear-gradient(135deg,var(--red),var(--purple));color:#fff;cursor:pointer;box-shadow:0 4px 16px rgba(139,92,246,.35)}
#send-btn.on:hover{opacity:.9;transform:scale(1.05)}

/* ── DRAG ── */
#drag-overlay{display:none;position:fixed;inset:0;z-index:100;background:rgba(13,13,15,.92);backdrop-filter:blur(10px);align-items:center;justify-content:center}
#drag-overlay.show{display:flex}
.drag-box{border:2px dashed rgba(139,92,246,.5);border-radius:22px;padding:60px 80px;text-align:center}
.drag-icon{font-size:48px;margin-bottom:12px}
.drag-title{color:#a78bfa;font-size:20px;font-weight:700;margin-bottom:6px}
.drag-sub{color:var(--muted);font-size:13px}

/* ── SIDEBAR OVERLAY ── */
#sidebar-overlay{display:none;position:fixed;inset:0;z-index:40;background:rgba(0,0,0,.5)}
#sidebar-overlay.show{display:block}

/* ── NOTIFICATIONS ── */
.notif-container{position:fixed;top:16px;right:16px;z-index:9999;display:flex;flex-direction:column;gap:8px;max-width:320px;width:calc(100% - 32px)}
.notif{background:#1e1e26;border:1px solid rgba(139,92,246,.35);border-radius:12px;padding:14px 16px;box-shadow:0 8px 32px rgba(0,0,0,.5);animation:slideInR .3s ease}
.notif-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.notif-title{font-size:11px;font-weight:700;color:#a78bfa;letter-spacing:.5px}
.notif-close{background:none;border:none;color:#555;cursor:pointer;font-size:14px;padding:0;line-height:1;transition:color .15s}
.notif-close:hover{color:#f0f0f0}
.notif-text{font-size:13px;color:#ececf1;line-height:1.6;white-space:pre-wrap;word-break:break-word}
@keyframes slideInR{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:translateX(0)}}

/* ── ANIMATIONS ── */
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes dotP{0%,80%,100%{transform:scale(.5);opacity:.3}40%{transform:scale(1);opacity:1}}
@keyframes blinkC{0%,100%{opacity:1}50%{opacity:0}}

/* ── MOBILE ── */
@media(max-width:768px){
  #sidebar{position:fixed;left:0;top:0;height:100vh;z-index:50;transform:translateX(-100%) !important;box-shadow:4px 0 24px rgba(0,0,0,.5)}
  #sidebar.open{transform:translateX(0) !important}
  #topbar{padding:0 12px;height:50px}
  .topbar-title{font-size:13px}
  .logout-btn{padding:5px 8px;font-size:10px}
  .chat-wrap{padding:16px 12px}
  #empty{padding:28px 8px 20px}
  .empty-title{font-size:20px}
  .empty-sub{font-size:12px;margin-bottom:20px}
  .suggestions-grid{grid-template-columns:1fr;max-width:100%}
  .msg-user-bubble{max-width:88%;font-size:13px}
  .ai-card-body{font-size:13px}
  #input-area{padding:8px 10px 16px}
  .input-box{padding:4px 4px 4px 12px}
  #text-input{font-size:16px;padding:10px 0}
  .img-btn,.toggle-btn{width:34px;height:34px}
  #send-btn{width:34px;height:34px;font-size:16px}
  .copy-btn{padding:4px 8px;font-size:10px}
  .drag-box{padding:40px 30px}
}