:root{
  --bg: #0f172a; --card: #111827; --muted: #1f2937; --accent: #22c55e; --accent-2: #14b8a6;
  --text: #e5e7eb; --text-dim: #9ca3af; --danger: #ef4444;
}
*{ box-sizing: border-box; } html{ direction: rtl; }
body{ margin:0; font-family: 'Tajawal', system-ui, sans-serif; background: var(--bg); color: var(--text); }
.container{ max-width: 1100px; margin: 0 auto; padding: 16px; }
.card{ background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)); border: 1px solid rgba(255,255,255,0.08); border-radius: 16px; padding: 16px; backdrop-filter: blur(6px); box-shadow: 0 8px 24px rgba(0,0,0,0.25); }
.header{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:16px; }
.brand{ font-weight:800; letter-spacing:0.5px; } .brand .dot{ color: var(--accent); }
.button{ appearance:none; border:0; border-radius:12px; padding:10px 14px; cursor:pointer; background: var(--accent); color:#03140a; font-weight:700; transition: transform .06s ease; }
.button:hover{ transform: translateY(-1px);} .button.secondary{ background: var(--muted); color: var(--text); }
.link{ color: var(--accent-2); text-decoration: none; }
.form{ display:grid; gap:12px; margin-top:12px; }
.input, select{ width:100%; padding:12px 14px; border-radius:10px; border:1px solid rgba(255,255,255,0.08); background: var(--card); color: var(--text); }
.helper{ color: var(--text-dim); font-size:14px; }
.rooms-grid{ display:grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap:14px; }
.room-card{ display:flex; flex-direction:column; gap:8px; } .room-title{ font-weight:800; font-size:18px; } .room-desc{ color:var(--text-dim); font-size:14px; }
.chat-layout{ display:grid; grid-template-columns: 1fr 280px; gap:14px; }
@media (max-width: 900px){ .chat-layout{ grid-template-columns: 1fr; } .sidebar{ position:fixed; inset:0 0 0 auto; width:86%; max-width:340px; transform: translateX(100%); transition: transform .2s ease; z-index:30; background: var(--bg); padding:16px; } .sidebar.open{ transform: translateX(0); } .sidebar-backdrop{ position:fixed; inset:0; background: rgba(0,0,0,0.35); z-index:20; display:none; } .sidebar-backdrop.show{ display:block; } }
.nav{ display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:10px; } .nav-left{ display:flex; align-items:center; gap:8px; } .back{ background: var(--muted); border-radius:10px; padding:8px 10px; color: var(--text); text-decoration:none; }
.chat-card{ display:flex; flex-direction:column; height: calc(100vh - 170px); } .messages{ flex:1; overflow:auto; display:flex; flex-direction:column; gap:10px; padding:8px; }
.msg{ padding:10px 12px; border:1px solid rgba(255,255,255,0.07); border-radius:12px; background: rgba(255,255,255,0.03); } .msg.me{ border-color: rgba(34,197,94,0.45); background: rgba(34,197,94,0.06); } .msg .meta{ display:flex; gap:8px; align-items:center; color: var(--text-dim); font-size:12px; margin-bottom:4px; } .msg .text{ line-height:1.7; }
.input-row{ display:flex; gap:8px; margin-top:8px; } .textbox{ flex:1; }
.sidebar .title{ font-weight:800; margin-bottom:10px; } .user{ display:flex; align-items:center; gap:10px; padding:8px; border-radius:10px; background: rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.07); } .user .flag{ font-size:20px; } .user .name{ font-weight:700; } .user .country{ color: var(--text-dim); font-size:12px; }
.small{ font-size:12px; color: var(--text-dim); } .notice{ color: var(--accent-2); }