/* ── Reset & tokens ─────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:        #080c14;
  --bg2:       #0d1424;
  --surface:   #111827;
  --surface2:  #1a2438;
  --border:    rgba(99,179,237,.1);
  --border2:   rgba(99,179,237,.18);
  --accent:    #25d366;
  --accent2:   #128c7e;
  --glow:      rgba(37,211,102,.3);
  --text:      #e2e8f0;
  --muted:     #64748b;
  --muted2:    #94a3b8;
  --danger:    #ef4444;
  --warn:      #f59e0b;
  --info:      #3b82f6;
  --radius:    14px;
  --radius-lg: 20px;
  --radius-sm: 8px;
  --ease:      cubic-bezier(.4,0,.2,1);
}

body{
  font-family:'Inter',sans-serif;
  background:var(--bg);
  color:var(--text);
  height:100vh;
  display:flex;
  overflow:hidden;
}

/* ── Sidebar ─────────────────────────────────────────────────────── */
#sidebar{
  width:260px;
  min-width:260px;
  background:var(--bg2);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  overflow:hidden;
}

.sidebar-header{
  padding:20px 16px 12px;
  border-bottom:1px solid var(--border);
  display:flex;
  flex-direction:column;
  gap:12px;
}

.brand{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:1.1rem;
  font-weight:700;
  color:var(--accent);
}
.brand svg{width:24px;height:24px;fill:var(--accent)}

.btn-icon-label{
  display:flex;
  align-items:center;
  gap:7px;
  width:100%;
  padding:9px 12px;
  background:rgba(37,211,102,.1);
  border:1px solid rgba(37,211,102,.25);
  border-radius:var(--radius-sm);
  color:var(--accent);
  font-family:inherit;
  font-size:.82rem;
  font-weight:600;
  cursor:pointer;
  transition:.2s var(--ease);
}
.btn-icon-label:hover{background:rgba(37,211,102,.18);border-color:rgba(37,211,102,.4)}
.btn-icon-label svg{width:16px;height:16px;flex-shrink:0}

.search-wrap{
  display:flex;
  align-items:center;
  gap:8px;
  margin:10px 12px 6px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:7px 10px;
}
.search-wrap svg{width:15px;height:15px;color:var(--muted);flex-shrink:0}
.search-wrap input{
  background:none;border:none;outline:none;
  color:var(--text);font-family:inherit;font-size:.82rem;width:100%;
}
.search-wrap input::placeholder{color:var(--muted)}

#user-list{
  list-style:none;
  overflow-y:auto;
  flex:1;
  padding:6px 8px;
  display:flex;
  flex-direction:column;
  gap:2px;
}

.user-item{
  display:flex;
  align-items:center;
  gap:10px;
  padding:9px 10px;
  border-radius:var(--radius-sm);
  cursor:pointer;
  transition:.18s var(--ease);
  border:1px solid transparent;
}
.user-item:hover{background:var(--surface)}
.user-item.active{background:var(--surface2);border-color:var(--border2)}

.user-avatar{
  width:32px;height:32px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:.8rem;font-weight:700;color:#fff;flex-shrink:0;
  text-transform:uppercase;
}
.user-info{flex:1;min-width:0}
.user-info strong{display:block;font-size:.85rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-info span{font-size:.72rem;color:var(--muted2)}

.user-dots{
  display:flex;gap:3px;flex-shrink:0;
}
.status-dot{width:7px;height:7px;border-radius:50%}
.dot-connected{background:var(--accent)}
.dot-qr{background:var(--warn)}
.dot-off{background:var(--surface2);border:1px solid var(--muted)}

.sidebar-empty{
  display:none;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:40px 20px;
  text-align:center;
  color:var(--muted);
  flex:1;
}
.sidebar-empty svg{width:40px;height:40px;opacity:.4}
.sidebar-empty p{font-size:.85rem;font-weight:500}
.sidebar-empty small{font-size:.75rem;opacity:.7}

/* ── Main ────────────────────────────────────────────────────────── */
#main{
  flex:1;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
}

.main-empty{
  flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:40px;
  color:var(--muted);
}
.main-empty-icon{
  width:72px;height:72px;
  border-radius:50%;
  background:var(--surface);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:4px;
}
.main-empty-icon svg{width:36px;height:36px;opacity:.5}
.main-empty h2{font-size:1.2rem;font-weight:600;color:var(--text)}
.main-empty p{font-size:.875rem;color:var(--muted2);max-width:320px;line-height:1.6}

#user-dashboard{padding:28px 32px;display:flex;flex-direction:column;gap:28px}

.dash-header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
}
.dash-header>div:first-child{display:flex;align-items:center;gap:16px}
.dash-avatar{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;font-weight:700;color:#fff;text-transform:uppercase;flex-shrink:0;
}
.dash-header h1{font-size:1.4rem;font-weight:700;margin-bottom:2px}
.dash-meta{font-size:.8rem;color:var(--muted2)}
.dash-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ── Sessions grid ───────────────────────────────────────────────── */
.sessions-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(240px,1fr));
  gap:16px;
}

.session-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  display:flex;flex-direction:column;gap:14px;
  transition:.2s var(--ease);
  position:relative;
  overflow:hidden;
}
.session-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent,transparent);
  transition:.3s var(--ease);
}
.session-card.s-connected::before{background:linear-gradient(90deg,var(--accent),var(--accent2))}
.session-card.s-qr::before{background:linear-gradient(90deg,var(--warn),#d97706)}
.session-card.s-connecting::before,.session-card.s-reconnecting::before{background:linear-gradient(90deg,var(--info),#2563eb)}

.session-card:hover{border-color:var(--border2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.3)}

.sc-head{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}
.sc-head strong{font-size:.9rem;font-weight:600;line-height:1.3;word-break:break-word}

.sc-badge{
  display:flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:100px;
  font-size:.68rem;font-weight:600;white-space:nowrap;flex-shrink:0;
}
.sc-badge .dot{width:6px;height:6px;border-radius:50%}
.b-connected{background:rgba(37,211,102,.12);color:var(--accent);border:1px solid rgba(37,211,102,.25)}
.b-connected .dot{background:var(--accent);animation:blink 2s infinite}
.b-qr{background:rgba(245,158,11,.12);color:var(--warn);border:1px solid rgba(245,158,11,.25)}
.b-qr .dot{background:var(--warn);animation:blink 1s infinite}
.b-connecting,.b-reconnecting{background:rgba(59,130,246,.12);color:var(--info);border:1px solid rgba(59,130,246,.25)}
.b-connecting .dot,.b-reconnecting .dot{background:var(--info);animation:blink .8s infinite}
.b-disconnected{background:rgba(100,116,139,.1);color:var(--muted2);border:1px solid rgba(100,116,139,.2)}
.b-disconnected .dot{background:var(--muted)}

@keyframes blink{0%,100%{opacity:1}50%{opacity:.4}}

.sc-phone{font-size:.78rem;color:var(--muted2);display:flex;align-items:center;gap:5px}
.sc-phone svg{width:13px;height:13px;flex-shrink:0}

.sc-foot{display:flex;gap:8px;flex-wrap:wrap}

/* ── Buttons ─────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 20px;border-radius:100px;
  font-family:inherit;font-size:.82rem;font-weight:600;
  cursor:pointer;border:none;transition:.2s var(--ease);white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex-shrink:0}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 4px 16px var(--glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px var(--glow)}
.btn-ghost{background:var(--surface2);color:var(--muted2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface);color:var(--text);border-color:var(--border2)}
.btn-danger{background:rgba(239,68,68,.1);color:var(--danger);border:1px solid rgba(239,68,68,.25)}
.btn-danger:hover{background:rgba(239,68,68,.2);transform:translateY(-1px)}
.btn-sm{padding:6px 14px;font-size:.76rem}
.btn:disabled{opacity:.45;pointer-events:none}

.sessions-empty{
  display:flex;flex-direction:column;align-items:center;
  gap:10px;padding:60px 20px;text-align:center;color:var(--muted);
}
.sessions-empty svg{width:44px;height:44px;opacity:.4}
.sessions-empty p{font-size:.88rem;font-weight:500}
.sessions-empty small{font-size:.75rem;opacity:.7}

/* ── Modals ──────────────────────────────────────────────────────── */
.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.65);
  display:flex;align-items:center;justify-content:center;
  z-index:100;backdrop-filter:blur(4px);
  animation:fadeIn .2s var(--ease);
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.modal{
  background:var(--surface);
  border:1px solid var(--border2);
  border-radius:var(--radius-lg);
  padding:28px;
  width:90%;max-width:400px;
  display:flex;flex-direction:column;gap:16px;
  box-shadow:0 32px 64px rgba(0,0,0,.5);
  animation:slideUp .25s var(--ease);
  position:relative;
}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
.modal h3{font-size:1.05rem;font-weight:700}

.modal label{font-size:.78rem;font-weight:500;color:var(--muted2);margin-bottom:-8px}
.modal input{
  background:var(--surface2);border:1px solid var(--border2);
  border-radius:var(--radius-sm);padding:10px 14px;
  color:var(--text);font-family:inherit;font-size:.875rem;outline:none;
  transition:.2s var(--ease);
}
.modal input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(37,211,102,.15)}
.modal input::placeholder{color:var(--muted)}
.modal-actions{display:flex;gap:10px;justify-content:flex-end}
.modal-sm{max-width:340px}
.confirm-msg{font-size:.85rem;color:var(--muted2);line-height:1.5}
.modal-close{
  position:absolute;top:16px;right:16px;
  background:none;border:none;cursor:pointer;
  color:var(--muted);padding:4px;border-radius:6px;
  transition:.15s;display:flex;
}
.modal-close:hover{color:var(--text);background:var(--surface2)}
.modal-close svg{width:18px;height:18px}

/* ── QR modal ────────────────────────────────────────────────────── */
.modal-qr{max-width:340px;align-items:center;text-align:center}
.modal-qr h3{font-size:1rem}
.qr-modal-sub{font-size:.78rem;color:var(--muted2);line-height:1.5}
.qr-modal-sub strong{color:var(--text)}
.qr-container{
  width:200px;height:200px;
  border-radius:16px;
  overflow:hidden;
  background:var(--surface2);
  display:flex;align-items:center;justify-content:center;
  position:relative;
  border:2px solid var(--border2);
}
.qr-container img{width:100%;height:100%;display:block}
.qr-spinner{
  width:44px;height:44px;
  border:3px solid rgba(37,211,102,.15);
  border-top-color:var(--accent);
  border-radius:50%;
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.qr-expire{font-size:.72rem;color:var(--muted);display:flex;align-items:center;gap:4px}

/* ── Toasts ──────────────────────────────────────────────────────── */
#toast-container{
  position:fixed;bottom:24px;right:24px;
  display:flex;flex-direction:column;gap:10px;z-index:999;
}
.toast{
  display:flex;align-items:center;gap:10px;
  background:var(--surface);border:1px solid var(--border2);
  padding:12px 18px;border-radius:var(--radius);
  font-size:.82rem;font-weight:500;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
  animation:toastIn .3s var(--ease);pointer-events:none;
  max-width:300px;
}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast.toast-success{border-left:3px solid var(--accent)}
.toast.toast-error{border-left:3px solid var(--danger)}
.toast.toast-info{border-left:3px solid var(--info)}

/* ── API Modal ───────────────────────────────────────────────────── */
.modal-api{max-width:560px;gap:0;padding:28px;overflow-y:auto;max-height:90vh}
.modal-api h3{font-size:1.05rem;margin-bottom:4px}
.api-subtitle{font-size:.8rem;color:var(--muted2);margin-bottom:8px}
.api-section{border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;display:flex;flex-direction:column;gap:8px;margin-top:12px}
.api-section-head{display:flex;align-items:center;gap:8px;margin-bottom:2px}
.api-section label{font-size:.72rem;font-weight:500;color:var(--muted2)}
.api-badge{font-size:.65rem;font-weight:700;padding:2px 8px;border-radius:100px;background:rgba(100,116,139,.2);color:var(--muted2);text-transform:uppercase;letter-spacing:.04em}
.api-badge-green{background:rgba(37,211,102,.12);color:var(--accent)}
.api-badge-purple{background:rgba(167,139,250,.12);color:#a78bfa}
.api-method{font-size:.68rem;font-weight:700;background:rgba(59,130,246,.12);color:#60a5fa;padding:2px 8px;border-radius:100px}
.copy-row{display:flex;align-items:center;gap:6px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:7px 10px}
.copy-row code{flex:1;font-family:monospace;font-size:.75rem;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.copy-btn{background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;border-radius:6px;transition:.15s;display:flex;flex-shrink:0}
.copy-btn:hover{color:var(--text);background:var(--surface2)}
.copy-btn svg{width:15px;height:15px}
.api-pre{font-family:monospace;font-size:.72rem;line-height:1.6;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;color:var(--muted2);overflow-x:auto;white-space:pre}
.api-hint{font-size:.72rem;color:var(--muted);line-height:1.5}
.api-hint code{background:var(--bg);padding:1px 5px;border-radius:4px;font-size:.7rem;color:var(--muted2)}
.api-session-item{border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;margin-top:8px;display:flex;flex-direction:column;gap:6px}
.api-session-item strong{font-size:.78rem;color:var(--text)}

/* ── Scrollbar ───────────────────────────────────────────────────── */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--surface2);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:var(--border2)}