/* ============================================================
   Benzo Chat — Styles
   ============================================================ */

*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}

:root{
  --bg:#0a0a0c;--bg-2:#131019;--bg-3:#1c1825;--bg-4:#262032;
  --border:#2a2338;--text:#f4f2f9;--text-2:#a9a3ba;--text-3:#756f88;
  --accent:#d946ef;--accent-2:#a78bfa;--accent-soft:rgba(217,70,239,.12);
  --brand-gradient:linear-gradient(135deg,#a78bfa 0%,#ec4899 50%,#f59e0b 100%);
  --danger:#dc2626;--success:#059669;
  --shadow-sm:0 1px 3px rgba(0,0,0,.3);
  --shadow-md:0 4px 14px rgba(0,0,0,.4);
  --shadow-lg:0 16px 40px rgba(0,0,0,.5);
  --shadow-xl:0 32px 70px rgba(0,0,0,.6);
}

html,body{height:100%;overflow:hidden}
body{
  background:var(--bg);color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,system-ui,sans-serif;
  line-height:1.5;-webkit-font-smoothing:antialiased;
}
button{font-family:inherit;cursor:pointer;border:0;background:transparent;color:inherit}
input,textarea{font-family:inherit;color:inherit}
a{color:var(--accent);text-decoration:none}
img{display:block;max-width:100%}

/* ---------- LOADING ---------- */
.loading-screen{
  position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:20px;background:var(--bg);z-index:9999;
}
.loading-logo{font-size:56px;animation:floaty 2s ease-in-out infinite}
.loading-spinner{
  width:44px;height:44px;border:3px solid var(--border);
  border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;
}
.loading-text{color:var(--text-3);font-weight:600;font-size:14px}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ---------- SIGN IN ---------- */
.signin-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:
    radial-gradient(circle at 20% 20%, rgba(167,139,250,.18), transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(236,72,153,.14), transparent 50%),
    var(--bg);
}
.signin-card{
  width:100%;max-width:420px;background:var(--bg-2);border-radius:22px;
  padding:40px 32px;box-shadow:var(--shadow-xl);border:1px solid var(--border);text-align:center;
}
.signin-logo{font-size:56px;margin-bottom:12px}
.signin-card h1{font-size:28px;font-weight:900;letter-spacing:-.03em;margin-bottom:6px}
.signin-card p{color:var(--text-2);font-size:14px;margin-bottom:28px}
.signin-card label{
  display:block;text-align:left;font-size:12px;font-weight:700;
  color:var(--text-2);margin-bottom:16px;
}
.signin-card input{
  width:100%;margin-top:6px;padding:13px 15px;background:var(--bg-3);
  border:1px solid var(--border);border-radius:11px;font-size:14px;transition:all .15s;
}
.signin-card input:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.signin-card button[type=submit]{
  width:100%;padding:14px;background:var(--brand-gradient);
  color:#fff;font-weight:800;border-radius:11px;font-size:14px;
  margin-top:8px;transition:all .15s;box-shadow:0 6px 20px rgba(217,70,239,.35);
}
.signin-card button[type=submit]:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.08)}
.signin-card button[type=submit]:disabled{opacity:.5;cursor:not-allowed}
.signin-error{
  margin:12px 0;padding:11px 14px;background:rgba(220,38,38,.1);
  color:#f87171;border-radius:10px;font-size:13px;font-weight:600;text-align:left;
}
.signin-alt{margin-top:24px;font-size:12.5px;color:var(--text-3);line-height:1.6}

/* ---------- APP SHELL ---------- */
.chat-app{
  display:grid;grid-template-columns:360px 1fr;
  height:100vh;background:var(--bg-2);
}

/* ---------- SIDEBAR ---------- */
.chat-sidebar{
  display:flex;flex-direction:column;
  border-right:1px solid var(--border);background:var(--bg-2);min-width:0;
}
.chat-sidebar-head{
  padding:16px 20px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-shrink:0;
}
.chat-sidebar-head h2{font-size:19px;font-weight:900;letter-spacing:-.02em}
.sidebar-actions{display:flex;gap:6px}
.icon-btn{
  width:36px;height:36px;border-radius:10px;background:var(--bg-3);
  border:1px solid var(--border);color:var(--text-2);font-size:15px;
  display:flex;align-items:center;justify-content:center;transition:all .15s;
}
.icon-btn:hover{background:var(--bg-4);color:var(--danger);border-color:var(--danger)}
.new-msg-btn{
  width:36px;height:36px;border-radius:10px;background:var(--brand-gradient);
  color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;
  transition:all .15s;box-shadow:0 4px 12px rgba(217,70,239,.28);
}
.new-msg-btn:hover{filter:brightness(1.1);transform:translateY(-1px)}

.chat-search{padding:12px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.chat-search input{
  width:100%;padding:11px 14px;background:var(--bg-3);
  border:1px solid var(--border);border-radius:11px;font-size:13.5px;
}
.chat-search input:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}

.chat-conv-list{flex:1;overflow-y:auto;padding:6px;min-height:0}
.chat-conv-list::-webkit-scrollbar{width:6px}
.chat-conv-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:6px}

.empty-conv{
  padding:60px 24px;text-align:center;color:var(--text-3);
  font-size:13px;line-height:1.6;
}
.empty-conv .icon{font-size:48px;opacity:.3;margin-bottom:14px}

.conv-item{
  display:flex;gap:12px;padding:12px 14px;border-radius:12px;
  cursor:pointer;transition:background .12s;align-items:center;
}
.conv-item:hover{background:var(--bg-3)}
.conv-item.active{background:var(--accent-soft)}
.conv-avatar{
  width:50px;height:50px;border-radius:50%;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;flex-shrink:0;
  position:relative;overflow:hidden;
}
.conv-avatar img{width:100%;height:100%;object-fit:cover}
.online-dot{
  position:absolute;bottom:0;right:0;width:14px;height:14px;
  background:#10b981;border:2.5px solid var(--bg-2);border-radius:50%;
}
.conv-info{flex:1;min-width:0}
.conv-name{
  font-size:14px;font-weight:800;margin-bottom:3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.conv-preview{
  font-size:12.5px;color:var(--text-3);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500;
}
.conv-preview strong{color:var(--text-2);font-weight:700}
.conv-meta{
  display:flex;flex-direction:column;align-items:flex-end;gap:4px;flex-shrink:0;
}
.conv-time{font-size:10.5px;color:var(--text-3);font-weight:700}
.conv-badge{
  background:var(--accent);color:#fff;font-size:10.5px;font-weight:800;
  padding:2px 8px;border-radius:100px;min-width:20px;text-align:center;
}

/* ---------- MAIN PANE ---------- */
.chat-main{display:flex;flex-direction:column;background:var(--bg);min-width:0;position:relative}

.chat-main-empty{
  flex:1;display:flex;align-items:center;justify-content:center;
  flex-direction:column;text-align:center;padding:40px 20px;color:var(--text-3);
}
.chat-main-empty .icon{font-size:72px;opacity:.2;margin-bottom:20px}
.chat-main-empty h3{font-size:22px;font-weight:900;color:var(--text-2);margin-bottom:10px}
.chat-main-empty p{font-size:14px;max-width:360px;line-height:1.6}

.chat-main-active{display:flex;flex-direction:column;height:100%;width:100%}

.chat-header{
  padding:14px 22px;border-bottom:1px solid var(--border);
  background:var(--bg-2);display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.back-btn{
  width:36px;height:36px;border-radius:10px;background:transparent;
  color:var(--text-2);font-size:20px;display:none;
  align-items:center;justify-content:center;
}
.back-btn:hover{background:var(--bg-3)}
.ch-avatar{
  width:44px;height:44px;border-radius:50%;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px;
  position:relative;overflow:hidden;flex-shrink:0;
}
.ch-avatar img{width:100%;height:100%;object-fit:cover}
.ch-info{flex:1;min-width:0}
.ch-name{
  font-size:15px;font-weight:800;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ch-status{font-size:12px;color:var(--text-3);margin-top:2px;font-weight:600}
.ch-status.online{color:#10b981}

.ch-call-btn{
  width:44px;height:44px;border-radius:50%;background:var(--brand-gradient);
  color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .15s;box-shadow:0 4px 12px rgba(217,70,239,.28);
}
.ch-call-btn:hover:not(:disabled){transform:scale(1.06)}
.ch-call-btn:disabled{opacity:.3;cursor:not-allowed;box-shadow:none}

.chat-messages{
  flex:1;overflow-y:auto;padding:20px 24px 12px;
  display:flex;flex-direction:column;gap:4px;min-height:0;
}
.chat-messages::-webkit-scrollbar{width:8px}
.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:8px}

.msg-day-sep{
  align-self:center;font-size:11.5px;color:var(--text-3);font-weight:800;
  padding:6px 14px;background:var(--bg-3);border-radius:100px;
  margin:14px 0 6px;letter-spacing:.3px;
}
.msg-row{
  display:flex;gap:8px;max-width:72%;align-items:flex-end;
}
.msg-row.own{margin-left:auto;flex-direction:row-reverse}
.msg-row.not-first .msg-avatar{visibility:hidden}
.msg-avatar{
  width:30px;height:30px;border-radius:50%;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:11px;flex-shrink:0;overflow:hidden;
}
.msg-avatar img{width:100%;height:100%;object-fit:cover}
.msg-row.own .msg-avatar{display:none}
.msg-bubble{
  padding:10px 15px;border-radius:18px;background:var(--bg-2);
  border:1px solid var(--border);font-size:14.5px;line-height:1.5;
  color:var(--text);word-break:break-word;white-space:pre-wrap;
}
.msg-row.own .msg-bubble{
  background:var(--brand-gradient);color:#fff;border-color:transparent;
}
.msg-time{
  font-size:10.5px;color:var(--text-3);font-weight:700;
  padding:0 4px;align-self:flex-end;white-space:nowrap;
}

.chat-typing{
  padding:4px 24px 0;height:22px;font-size:12px;
  color:var(--text-3);font-weight:600;flex-shrink:0;
}
.typing-dots{display:inline-flex;gap:3px;vertical-align:middle;margin-left:6px}
.typing-dots span{
  width:4px;height:4px;border-radius:50%;background:var(--text-3);
  animation:typingBounce 1.2s infinite;
}
.typing-dots span:nth-child(2){animation-delay:.15s}
.typing-dots span:nth-child(3){animation-delay:.3s}
@keyframes typingBounce{
  0%,60%,100%{transform:translateY(0);opacity:.4}
  30%{transform:translateY(-4px);opacity:1}
}

.chat-input-wrap{
  padding:12px 20px 18px;border-top:1px solid var(--border);
  background:var(--bg-2);flex-shrink:0;
}
.chat-input-row{display:flex;gap:10px;align-items:flex-end}
.chat-input-row textarea{
  flex:1;min-height:46px;max-height:160px;padding:13px 16px;
  background:var(--bg-3);border:1px solid var(--border);border-radius:23px;
  font-size:14.5px;resize:none;line-height:1.4;transition:all .15s;
}
.chat-input-row textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.chat-send-btn{
  width:46px;height:46px;border-radius:50%;background:var(--brand-gradient);
  color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;
  flex-shrink:0;transition:all .15s;box-shadow:0 4px 12px rgba(217,70,239,.28);
}
.chat-send-btn:hover:not(:disabled){transform:scale(1.06)}
.chat-send-btn:disabled{opacity:.35;cursor:not-allowed;transform:none}

/* ---------- MODAL ---------- */
.modal{
  position:fixed;inset:0;background:rgba(10,8,16,.7);
  backdrop-filter:blur(6px);z-index:2000;
  align-items:center;justify-content:center;padding:16px;
  display:flex;
}
.modal-box{
  background:var(--bg-2);border-radius:18px;width:100%;max-width:500px;
  max-height:80vh;display:flex;flex-direction:column;overflow:hidden;
  box-shadow:var(--shadow-xl);border:1px solid var(--border);
  animation:scaleIn .2s ease-out;
}
@keyframes scaleIn{from{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}
.modal-head{
  padding:18px 22px;border-bottom:1px solid var(--border);
  display:flex;justify-content:space-between;align-items:center;
}
.modal-head h3{font-size:17px;font-weight:900}
.modal-close{
  width:32px;height:32px;border-radius:50%;background:var(--bg-3);
  color:var(--text-2);font-size:15px;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--bg-4)}
.modal-body{padding:18px 22px;overflow-y:auto;flex:1}
.modal-body > input{
  width:100%;padding:13px 16px;background:var(--bg-3);
  border:1px solid var(--border);border-radius:12px;font-size:14px;margin-bottom:16px;
}
.modal-body > input:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);
}
.user-results-hint{
  padding:24px;text-align:center;color:var(--text-3);font-size:13px;
}
.user-result{
  display:flex;gap:12px;padding:12px;border-radius:12px;cursor:pointer;
  align-items:center;transition:background .12s;
}
.user-result:hover{background:var(--bg-3)}
.ur-av{
  width:46px;height:46px;border-radius:50%;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:16px;flex-shrink:0;overflow:hidden;
}
.ur-av img{width:100%;height:100%;object-fit:cover}
.ur-info{flex:1;min-width:0}
.ur-name{font-size:14px;font-weight:800;margin-bottom:2px}
.ur-email{
  font-size:12px;color:var(--text-3);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.ur-role{
  font-size:10px;font-weight:800;padding:3px 9px;border-radius:100px;
  background:var(--accent-soft);color:var(--accent);
  text-transform:uppercase;letter-spacing:.4px;
}

/* ---------- INCOMING CALL ---------- */
.call-overlay{
  position:fixed;inset:0;z-index:3000;
  background:linear-gradient(135deg, rgba(15,10,31,.96), rgba(76,29,149,.96));
  backdrop-filter:blur(24px);
  display:flex;align-items:center;justify-content:center;padding:24px;
  animation:fadeIn .25s;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.call-card{text-align:center;color:#fff;max-width:420px;width:100%}
.call-avatar{
  width:130px;height:130px;border-radius:50%;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:900;font-size:48px;margin:0 auto 26px;
  overflow:hidden;animation:pulseCall 1.6s ease-in-out infinite;
}
@keyframes pulseCall{
  0%,100%{box-shadow:0 0 0 0 rgba(236,72,153,.7)}
  50%{box-shadow:0 0 0 28px rgba(236,72,153,0)}
}
.call-avatar img{width:100%;height:100%;object-fit:cover}
.call-name{font-size:28px;font-weight:900;letter-spacing:-.03em;margin-bottom:8px}
.call-subtitle{
  font-size:15px;opacity:.85;margin-bottom:44px;
  display:flex;align-items:center;justify-content:center;gap:8px;
}
.call-dots{display:inline-flex;gap:3px}
.call-dots span{width:5px;height:5px;border-radius:50%;background:#fff;animation:typingBounce 1.2s infinite}
.call-dots span:nth-child(2){animation-delay:.15s}
.call-dots span:nth-child(3){animation-delay:.3s}
.call-actions{display:flex;gap:36px;justify-content:center}
.call-btn{
  width:72px;height:72px;border-radius:50%;font-size:28px;
  display:flex;align-items:center;justify-content:center;
  transition:transform .15s;box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.call-btn:hover{transform:scale(1.08)}
.call-btn-reject{background:#dc2626;color:#fff}
.call-btn-accept{background:#10b981;color:#fff;animation:pulseAccept 1.4s ease-in-out infinite}
@keyframes pulseAccept{
  0%,100%{box-shadow:0 10px 30px rgba(16,185,129,.4)}
  50%{box-shadow:0 10px 30px rgba(16,185,129,.95)}
}

/* ---------- ACTIVE CALL BAR ---------- */
.active-call-bar{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,#0f0a1f,#4c1d95);color:#fff;
  border-radius:100px;padding:10px 14px 10px 10px;
  display:flex;align-items:center;gap:14px;z-index:2500;
  box-shadow:0 12px 40px rgba(0,0,0,.5);
  animation:slideDown .3s ease-out;
  border:1px solid rgba(255,255,255,.1);
}
@keyframes slideDown{
  from{transform:translateX(-50%) translateY(-100%);opacity:0}
  to{transform:translateX(-50%) translateY(0);opacity:1}
}
.acb-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--brand-gradient);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;flex-shrink:0;overflow:hidden;
}
.acb-avatar img{width:100%;height:100%;object-fit:cover}
.acb-info{min-width:0;max-width:200px}
.acb-name{
  font-size:14px;font-weight:800;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.acb-timer{
  font-size:11.5px;opacity:.8;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.acb-actions{display:flex;gap:6px}
.acb-btn{
  width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.15);
  color:#fff;font-size:17px;display:flex;align-items:center;justify-content:center;
  transition:all .15s;
}
.acb-btn:hover{background:rgba(255,255,255,.25)}
.acb-btn.active{background:rgba(220,38,38,.35)}
.acb-end{background:#dc2626}
.acb-end:hover{background:#b91c1c}

/* ---------- TOAST ---------- */
.toast{
  position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);
  padding:12px 22px;background:var(--text);color:var(--bg);
  border-radius:100px;font-size:13.5px;font-weight:600;
  box-shadow:var(--shadow-xl);z-index:5000;
  opacity:0;pointer-events:none;transition:all .3s;
  max-width:90vw;text-align:center;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.success{background:var(--success);color:#fff}
.toast.error{background:var(--danger);color:#fff}

/* ---------- MOBILE ---------- */
@media (max-width: 768px){
  .chat-app{grid-template-columns:1fr;position:relative}
  .chat-main{
    position:absolute;inset:0;z-index:5;
    transform:translateX(100%);
    transition:transform .28s cubic-bezier(.32,.72,0,1);
    background:var(--bg);
  }
  .chat-app.chat-open .chat-main{transform:translateX(0)}
  .chat-header .back-btn{display:flex}
  .chat-messages{padding:16px 16px 8px}
  .msg-row{max-width:85%}
  .chat-input-wrap{padding:10px 14px 16px}
  .active-call-bar{top:8px;padding:8px 12px 8px 8px;gap:10px}
  .acb-info{max-width:110px}
  .call-avatar{width:110px;height:110px;font-size:42px}
  .call-name{font-size:24px}
  .call-btn{width:64px;height:64px;font-size:24px}
  .modal{padding:0;align-items:flex-end}
  .modal-box{
    border-radius:18px 18px 0 0;max-width:100%;
    padding-bottom:env(safe-area-inset-bottom,0px);
  }
}