/* style.css - Elegant dark chat, safe-area aware */

/* --- root / variables --- */
:root{
  --bg:#06090b;
  --panel:#07131a;
  --muted:#9fb4bf;
  --accent:#10b981;
  --accent-2:#06b6d4;
  --glass: rgba(255,255,255,0.03);
  --bubble-radius:18px;
  --max-width:960px;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:#e6eef3;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial;}
.app-root{display:flex;flex-direction:column;height:100vh;}

/* Ensure content not hidden under iOS status bar */
.header {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: calc(env(safe-area-inset-top) + 10px) 14px 10px 14px; /* top includes safe-area */
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
  border-bottom: 1px solid rgba(255,255,255,0.02);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(6px);
}

/* left area: logo + title */
.header-left { display:flex; gap:10px; align-items:center; }
.header-logo { width:40px; height:40px; border-radius:10px; object-fit:cover; box-shadow: 0 8px 20px rgba(2,6,12,0.6); }
.header-title-wrap { line-height:1; }
.header-title { font-size:16px; font-weight:700; color:#fff; }
.header-sub { font-size:12px; color:var(--muted); margin-top:2px; }

/* right area: enable button */
.header-right { display:flex; align-items:center; gap:8px; }
.btn { border: none; cursor: pointer; padding:8px 12px; border-radius:10px; font-weight:700; }
.btn-notify { background: linear-gradient(135deg,var(--accent),#34d399); color:#021916; box-shadow: 0 8px 24px rgba(3,9,13,0.65); }
.btn-send { background: linear-gradient(135deg,#0ea5a5,var(--accent-2)); color:#001216; padding:10px 14px; border-radius:12px; font-weight:800; }

/* Messages area - center content and constrain width for large screens */
.messages {
  flex:1;
  overflow-y:auto;
  padding:14px 12px 18px 12px;
  display:flex;
  flex-direction:column;
  gap:10px;
  align-items:center; /* center the message column on wide screens */
}

/* Inner message column container (keeps center width) */
.messages > .msg-col {
  width:100%;
  max-width:var(--max-width);
  display:flex;
  flex-direction:column;
  gap:10px;
}

/* message row */
.msg {
  max-width:78%;
  padding:10px 14px;
  border-radius: var(--bubble-radius);
  line-height:1.35;
  word-wrap:break-word;
  white-space:pre-wrap; /* preserve normal spacing */
  box-shadow: 0 12px 30px rgba(2,6,12,0.6);
  font-size:15px;
}

/* incoming (other) */
.msg.other { align-self:flex-start; background: linear-gradient(180deg,#0c1416,#071014); border:1px solid rgba(255,255,255,0.03); color:#e6eef3; border-bottom-left-radius:6px; }
/* name above bubble */
.msg.other .name { font-size:12px; color:var(--muted); margin-bottom:6px; font-weight:700; }

/* my messages */
.msg.me { align-self:flex-end; background: linear-gradient(135deg,#34d399,#10b981); color:#022018; border-bottom-right-radius:6px; }

/* meta (timestamp) */
.meta { font-size:11px; opacity:0.65; margin-top:8px; }

/* Composer / input bar */
.composer {
  border-top:1px solid rgba(255,255,255,0.02);
  background: linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.35));
  padding: calc(env(safe-area-inset-bottom) + 10px) 12px 12px 12px; /* bottom safe area */
  position: sticky;
  bottom: 0;
  z-index:40;
}

.composer-inner {
  display:flex;
  gap:10px;
  max-width:var(--max-width);
  margin:0 auto;
  align-items:center;
}

.composer-input {
  flex:1;
  padding:12px 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.03);
  background: rgba(255,255,255,0.02);
  color:#e6eef3;
  outline:none;
  font-size:15px;
}

/* small screens */
@media (max-width:640px){
  .header-logo { width:34px; height:34px; }
  .header { padding: calc(env(safe-area-inset-top) + 8px) 12px 8px 12px; }
  .messages { padding:10px; }
  .composer-inner { padding:0 6px; }
  .composer-input { font-size:16px; padding:12px; }
}