/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; background: var(--bg); color: var(--tx1); font-family: var(--sans); font-size: 14px; -webkit-font-smoothing: antialiased; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea { color-scheme: dark; }
[data-theme="light"] input, [data-theme="light"] select, [data-theme="light"] textarea { color-scheme: light; }
::-webkit-scrollbar { width: 3px; height: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line2); border-radius: 2px; }

/* ── APP SHELL ── */
#app { display: flex; flex-direction: column; height: 100dvh; }

/* ── TOPBAR ── */
#topbar {
  height: var(--topbar-h);
  background: var(--bg1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center;
  padding: 0 16px; gap: 12px;
  flex-shrink: 0; z-index: 100;
}
.brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(135deg, rgba(34,197,94,.2), rgba(59,130,246,.15));
  border: 1px solid rgba(34,197,94,.3);
  display: flex; align-items: center; justify-content: center;
}
.brand-mark svg { width: 14px; height: 14px; }
.brand-name { font-size: 14px; font-weight: 700; letter-spacing: -.03em; color: var(--tx1); }
.brand-tag { font-size: 11px; color: var(--tx3); font-family: var(--mono); }
.topbar-spacer { flex: 1; }
@media (max-width: 600px) {
  .topbar-spacer { display: none; }
}
.ls-pill {
  display: flex; align-items: center; gap: 5px;
  font-size: 10px; font-family: var(--mono);
  padding: 3px 8px; border-radius: 20px;
  border: 1px solid var(--line2); background: var(--bg2);
  color: var(--tx3); white-space: nowrap; max-width: 160px;
  overflow: hidden; cursor: pointer; transition: border-color .2s, background .2s;
  flex-shrink: 1; min-width: 0; position: relative;
}
.ls-pill:hover { border-color: var(--line2); color: var(--tx2); }
.ls-pill.loading  { border-color: rgba(245,158,11,.4); background: rgba(245,158,11,.06); }
.ls-pill.generating { border-color: rgba(34,197,94,.35); background: rgba(34,197,94,.05); }
.ls-pill.processing { border-color: rgba(59,130,246,.35); background: rgba(59,130,246,.05); }
/* progress bar at bottom of pill */
.ls-pill .ls-bar {
  position: absolute; bottom: 0; left: 0; height: 2px;
  border-radius: 0 0 20px 20px; transition: width .3s;
}
.ls-pill.loading   .ls-bar { background: var(--amber); }
.ls-pill.generating .ls-bar { background: var(--accent); animation: ls-bar-pulse 1.2s ease-in-out infinite; }
.ls-pill.processing .ls-bar { background: var(--blue); }
@keyframes ls-bar-pulse { 0%,100%{opacity:.5} 50%{opacity:1} }
/* spinner dot */
.ls-pill .ls-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; background: var(--tx4); transition: all .3s; }
.ls-pill .ls-dot.online  { background: var(--accent); box-shadow: var(--glow-g); }
.ls-pill .ls-dot.error   { background: var(--red); }
.ls-pill .ls-dot.checking{ background: var(--amber); animation: pulse .8s infinite; }
/* spinner ring replaces dot when active */
.ls-pill .ls-dot.loading,
.ls-pill .ls-dot.generating,
.ls-pill .ls-dot.processing {
  background: transparent;
  border-radius: 50%;
  width: 7px; height: 7px;
  border: 1.5px solid transparent;
  animation: spin .7s linear infinite;
}
.ls-pill .ls-dot.loading    { border-top-color: var(--amber); border-right-color: rgba(245,158,11,.3); }
.ls-pill .ls-dot.generating { border-top-color: var(--accent); border-right-color: rgba(34,197,94,.3); }
.ls-pill .ls-dot.processing { border-top-color: var(--blue); border-right-color: rgba(59,130,246,.3); }
.ls-pill .ls-icon { font-size: 11px; flex-shrink: 0; }
.ls-pill .ls-model { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; min-width: 0; }
.ls-pill .ls-state { font-size: 9px; flex-shrink: 0; padding: 1px 5px; border-radius: 8px; margin-left: 2px; }
.ls-pill .ls-state.generating { background: rgba(34,197,94,.15); color: var(--accent); }
.ls-pill .ls-state.loading    { background: rgba(245,158,11,.15); color: var(--amber); }
.ls-pill .ls-state.processing { background: rgba(59,130,246,.15); color: var(--blue); }
@media (max-width: 600px) {
  /* iOS Safari zoom prevention: inputs must be ≥16px or it ignores maximum-scale */
  input, textarea, select, .inp, .iv-input, .prompt-edit-area {
    font-size: 16px !important;
  }
  #live-status {
    gap: 5px;
    flex-wrap: nowrap !important; overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    justify-content: center !important;
    padding: 0 10px;
  }
  #live-status::-webkit-scrollbar { display: none; }
  /* expanded pills on mobile: show model name, no width cap */
  .ls-pill { font-size: 10px; padding: 4px 10px; max-width: none; flex-shrink: 0; min-width: 110px; }
  .ls-pill .ls-model { display: block; }
}
#machine-badges { display: flex; gap: 6px; }
.mbadge {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-family: var(--mono); color: var(--tx3);
  padding: 4px 10px; border-radius: 20px;
  border: 1px solid var(--line2); background: var(--bg2);
  cursor: pointer; transition: border-color .2s;
}
.mbadge:hover { border-color: var(--line2); color: var(--tx2); }
.mbadge .mdot { width: 6px; height: 6px; border-radius: 50%; background: var(--tx4); transition: all .3s; flex-shrink: 0; }
.mbadge .mdot.online  { background: var(--accent); box-shadow: var(--glow-g); }
.mbadge .mdot.error   { background: var(--red); }
.mbadge .mdot.checking{ background: var(--amber); animation: pulse .8s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ls-progress { from{width:0} to{width:100%} }

/* ── LAYOUT BODY ── */
#body { flex: 1; display: flex; overflow: hidden; }

/* ── SIDEBAR NAV ── */
#leftnav {
  width: var(--nav-w); flex-shrink: 0;
  background: var(--bg1);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  align-items: center; padding: 8px 0; gap: 2px;
}
.nav-btn {
  width: 42px; height: 42px; border-radius: var(--r-sm);
  border: none; background: transparent;
  color: var(--tx3); font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s; position: relative;
}
.nav-btn:hover { background: var(--bg3); color: var(--tx2); }
.nav-btn.active { background: rgba(34,197,94,.1); color: var(--accent); }
.nav-btn.active::before {
  content: '';
  position: absolute; left: 0; top: 50%;
  transform: translateY(-50%);
  width: 3px; height: 22px;
  background: var(--accent); border-radius: 0 3px 3px 0;
}
.nav-btn-label { font-size: 8px; font-family: var(--mono); color: inherit; line-height: 1; }

/* ── CONTENT ── */
#content { flex: 1; overflow: hidden; display: flex; flex-direction: column; }
.panel { flex: 1; overflow: hidden; display: none; flex-direction: column; }
.panel.active { display: flex; }

/* ── SECTION HEADER ── */
.section-bar {
  min-height: 38px; flex-shrink: 0;
  background: var(--bg1); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; padding: 6px 16px; gap: 10px;
  flex-wrap: wrap;
}
.section-title { font-size: 12px; font-weight: 600; color: var(--tx1); }
.section-sub { font-size: 11px; color: var(--tx3); font-family: var(--mono); }
.section-actions { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

/* ── BUTTONS ── */
.btn {
  font-size: 12px; font-weight: 500; padding: 6px 12px;
  border-radius: var(--r-sm); border: 1px solid var(--line2);
  background: var(--bg3); color: var(--tx2);
  transition: all .15s; white-space: nowrap;
}
.btn:hover { border-color: var(--line2); background: var(--bg4); color: var(--tx1); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #000; font-weight: 600; }
.btn-primary:hover { background: var(--accent2); border-color: var(--accent2); }
.btn-danger { border-color: rgba(239,68,68,.3); background: rgba(239,68,68,.08); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,.15); }
.btn-sm { font-size: 11px; padding: 4px 9px; }

/* ── INPUT PRIMITIVES ── */
.inp {
  background: var(--bg); border: 1px solid var(--line2);
  border-radius: var(--r-sm); padding: 6px 10px;
  font-size: 12px; font-family: var(--mono); color: var(--tx1);
  outline: none; transition: border-color .15s;
}
.inp:focus { border-color: var(--blue); }
.inp::placeholder { color: var(--tx4); }