/* ============================================
   MIDNIGHT LABS — Login Screen
   ============================================ */
#login {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.lw {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: fadeUp 0.5s ease both;
}
.lw-eye {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--t4);
  margin-bottom: 48px;
}
.lw-h {
  font-size: 40px;
  font-weight: 700;
  color: var(--tx);
  letter-spacing: -0.03em;
  text-align: center;
  margin-bottom: 10px;
  line-height: 1.05;
}
.lw-h span { color: var(--ac); }
.lw-s {
  font-size: 15px;
  color: var(--t3);
  text-align: center;
  margin-bottom: 40px;
  max-width: 380px;
  line-height: 1.6;
}
.lw-discord {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #5865f2;
  border: none;
  border-radius: var(--rsm);
  color: #fff;
  font-family: var(--f);
  font-size: 14px;
  font-weight: 700;
  padding: 12px 26px;
  cursor: pointer;
  box-shadow: 0 0 0 1px rgba(88,101,242,.5), 0 4px 20px rgba(88,101,242,.22);
  transition: background .14s, box-shadow .18s, transform .1s;
  animation: fadeUp .48s ease both .2s;
}
.lw-discord:hover {
  background: #4752c4;
  box-shadow: 0 0 0 1px rgba(88,101,242,.7), 0 6px 26px rgba(88,101,242,.34);
  transform: translateY(-1px);
}
.lw-discord:active { transform: none; }
.lw-discord svg { width: 20px; height: 20px; flex-shrink: 0; }
.lw-terms {
  font-size: 12px;
  color: var(--t4);
  margin-top: 20px;
  animation: fadeUp .48s ease both .32s;
  text-align: center;
}
.lw-terms a { color: var(--t3); text-decoration: none; transition: color .12s; }
.lw-terms a:hover { color: var(--t2); }

/* Invite code gate */
.invite-gate {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: fadeUp .48s ease both .18s;
  margin-bottom: 16px;
}
.invite-input-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--rs);
  border: 1px solid var(--bd);
  border-radius: var(--rsm);
  overflow: hidden;
  transition: border-color .14s, box-shadow .14s;
}
.invite-input-wrap:focus-within {
  border-color: var(--ac);
  box-shadow: 0 0 0 2px rgba(91,127,255,.15);
}
.invite-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--tx);
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 11px 14px;
  min-width: 200px;
}
.invite-input::placeholder {
  color: var(--t4);
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--f);
  font-weight: 400;
}
.invite-submit {
  background: var(--ac);
  border: none;
  color: #fff;
  font-family: var(--f);
  font-size: 13px;
  font-weight: 700;
  padding: 11px 18px;
  cursor: pointer;
  transition: background .14s;
  white-space: nowrap;
}
.invite-submit:hover { background: #4a6ae5; }
.invite-submit:disabled {
  opacity: .5;
  cursor: not-allowed;
}
.invite-err {
  font-size: 12px;
  color: var(--rd);
  min-height: 16px;
  text-align: center;
  transition: opacity .14s;
}
.invite-skip {
  background: transparent;
  border: none;
  color: var(--t4);
  font-family: var(--f);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--rxs);
  transition: all .12s;
  margin-top: 4px;
}
.invite-skip:hover { color: var(--t2); background: var(--hv); }
.invite-gate.verified .invite-input-wrap {
  border-color: #3ecf8e;
  box-shadow: 0 0 0 2px rgba(62,207,142,.15);
}
.invite-gate.verified .invite-input { color: #3ecf8e; }
.invite-gate.verified .invite-submit {
  background: #3ecf8e;
  pointer-events: none;
}

/* === App Shell === */
#app { display: none; height: 100dvh; overflow: hidden; }
.shell { display: flex; height: 100%; }

/* === Sidebar === */
#sb {
  width: var(--sw);
  height: 100%;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--sf);
  border-right: 1px solid var(--bs);
  transition: width .2s cubic-bezier(.4,0,.2,1), opacity .18s;
  overflow: hidden;
  animation: slideL .28s ease both;
}
#sb.col { width: 0; opacity: 0; pointer-events: none; }
.sb-hd { padding: 16px 12px 10px; flex-shrink: 0; }
.sb-wm {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--tx);
  padding: 6px 6px;
  margin-bottom: 10px;
  white-space: nowrap;
}
.sb-wm small {
  color: var(--ac);
  font-size: 9.5px;
  letter-spacing: .28em;
  vertical-align: super;
  margin-left: 2px;
}
.sb-close-mobile {
  position: absolute;
  top: 14px;
  right: 12px;
  display: none;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--rs);
  border: 1px solid var(--bd);
  border-radius: var(--rsm);
  color: var(--t3);
  cursor: pointer;
  transition: all .12s;
}
.sb-close-mobile:hover { color: var(--tx); border-color: var(--t4); }
.sb-close-mobile svg { width: 18px; height: 18px; }
.sb-nc {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--rsm);
  background: transparent;
  border: 1px solid var(--bd);
  color: var(--t2);
  font-family: var(--f);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s, color .12s;
}
.sb-nc:hover { background: var(--hv); color: var(--tx); }
.sb-nc svg { width: 14px; height: 14px; flex-shrink: 0; }
.sb-sr {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 8px 0 2px;
  padding: 7px 10px;
  background: var(--rs);
  border: 1px solid transparent;
  border-radius: var(--rsm);
  transition: border-color .14s;
}
.sb-sr:focus-within { border-color: var(--bd); }
.sb-sr svg { width: 13px; height: 13px; color: var(--t4); flex-shrink: 0; }
.sb-si {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--tx);
  font-family: var(--f);
  font-size: 13px;
}
.sb-si::placeholder { color: var(--t4); }
.sb-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 2px 6px 4px;
  scrollbar-width: thin;
  scrollbar-color: var(--bd) transparent;
}
.sb-nav::-webkit-scrollbar { width: 3px; }
.sb-nav::-webkit-scrollbar-thumb { background: var(--bd); border-radius: 2px; }
.sb-lbl {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--t4);
  padding: 14px 8px 5px;
}
.sb-none { font-size: 13px; color: var(--t4); padding: 10px 8px; }
.ci {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 6px 8px;
  border-radius: var(--rsm);
  cursor: pointer;
  position: relative;
  transition: background .1s;
  min-width: 0;
}
.ci:hover { background: var(--hv); }
.ci.active { background: var(--hv); }
.ci.active::before {
  content: "";
  position: absolute;
  left: 0; top: 18%; bottom: 18%;
  width: 2px;
  background: var(--ac);
  border-radius: 0 2px 2px 0;
}
.ci-t {
  flex: 1;
  font-size: 13px;
  color: var(--t2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .1s;
}
.ci:hover .ci-t, .ci.active .ci-t { color: var(--tx); }
.ci-a { display: none; align-items: center; flex-shrink: 0; }
.ci:hover .ci-a { display: flex; }
.ci-mb {
  background: transparent;
  border: none;
  color: var(--t3);
  cursor: pointer;
  padding: 3px 4px;
  border-radius: var(--rxs);
  display: flex;
  transition: color .1s, background .1s;
}
.ci-mb:hover { color: var(--t2); background: rgba(255,255,255,.06); }
.ci-mb svg { width: 13px; height: 13px; }
.ci-inp {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--tx);
  font-family: var(--f);
  font-size: 13px;
  min-width: 0;
}
.sb-arc {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: var(--rsm);
  border: none;
  background: transparent;
  color: var(--t4);
  font-family: var(--f);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
  transition: background .1s, color .1s;
  margin-top: 4px;
}
.sb-arc:hover { background: var(--hv); color: var(--t2); }
.sb-arc svg { width: 13px; height: 13px; flex-shrink: 0; }
.sb-bk {
  display: flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--t3);
  cursor: pointer;
  font-family: var(--f);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 10px 8px 6px;
  border-radius: var(--rsm);
  transition: color .12s;
}
.sb-bk:hover { color: var(--t2); }
.sb-bk svg { width: 12px; height: 12px; }
.arc-rs {
  background: transparent;
  border: none;
  padding: 2px 7px;
  border-radius: var(--rxs);
  font-family: var(--f);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--t4);
  cursor: pointer;
  transition: color .12s, background .12s;
}
.arc-rs:hover { color: var(--ac); background: var(--ag); }

/* Sidebar bottom */
.sb-bt { flex-shrink: 0; border-top: 1px solid var(--bs); padding: 8px 6px 10px; }
.sb-tb {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 10px;
  border-radius: var(--rsm);
  border: none;
  background: transparent;
  color: var(--t3);
  font-family: var(--f);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background .1s, color .1s;
}
.sb-tb:hover { background: var(--hv); color: var(--tx); }
.sb-tb svg { width: 14px; height: 14px; flex-shrink: 0; }
.sb-ur {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 10px;
  border-radius: var(--rsm);
  cursor: pointer;
  transition: background .1s;
}
.sb-ur:hover { background: var(--hv); }
.sb-ui { flex: 1; min-width: 0; }
.sb-un {
  font-size: 13px;
  font-weight: 600;
  color: var(--tx);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sb-up { font-size: 11px; color: var(--t4); }
.sb-uc { color: var(--t4); display: flex; }
.sb-uc svg { width: 13px; height: 13px; }

/* Snippets panel (inline sidebar) */
.snip-panel { display: none; flex-direction: column; border-top: 1px solid var(--bs); flex-shrink: 0; max-height: 280px; overflow: hidden; }
.snip-panel.open { display: flex; }
.snip-hd { display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; flex-shrink: 0; cursor: pointer; }
.snip-hd-l { font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--t3); }
.snip-hd-close { background: transparent; border: none; color: var(--t4); cursor: pointer; display: flex; padding: 2px; border-radius: var(--rxs); transition: color .1s; }
.snip-hd-close:hover { color: var(--t2); }
.snip-hd-close svg { width: 12px; height: 12px; }
.snip-cats { display: flex; gap: 4px; padding: 0 10px 8px; flex-wrap: wrap; flex-shrink: 0; }
.snip-cat { background: transparent; border: 1px solid var(--bd); border-radius: 999px; color: var(--t3); font-family: var(--f); font-size: 10.5px; font-weight: 700; padding: 3px 9px; cursor: pointer; transition: all .12s; white-space: nowrap; }
.snip-cat:hover, .snip-cat.on { background: var(--ag); border-color: rgba(91,127,255,.3); color: var(--ac); }
.snip-list { flex: 1; overflow-y: auto; padding: 0 8px 8px; scrollbar-width: thin; scrollbar-color: var(--bd) transparent; }
.snip-item { padding: 7px 10px; border-radius: var(--rsm); cursor: pointer; transition: background .1s; border-bottom: 1px solid var(--bs); }
.snip-item:last-child { border-bottom: none; }
.snip-item:hover { background: var(--hv); }
.snip-name { font-size: 12.5px; font-weight: 600; color: var(--tx); margin-bottom: 2px; }
.snip-desc { font-size: 11.5px; color: var(--t3); line-height: 1.4; }

/* === Main area === */
#main { flex: 1; min-width: 0; display: flex; flex-direction: column; height: 100dvh; overflow: hidden; }
.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--bs);
  background: var(--bg);
}
.tb-btn {
  background: transparent;
  border: none;
  color: var(--t3);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--rsm);
  display: flex;
  align-items: center;
  transition: background .12s, color .12s;
  flex-shrink: 0;
}
.tb-btn:hover { background: var(--hv); color: var(--t2); }
.tb-btn svg { width: 16px; height: 16px; }
.tb-title {
  font-size: 13px;
  color: var(--t3);
  font-weight: 500;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

/* Model switcher */
.model-sw { position: relative; flex-shrink: 0; }
.model-sw-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--rs);
  border: 1px solid var(--bd);
  border-radius: var(--rsm);
  padding: 6px 11px;
  cursor: pointer;
  font-family: var(--f);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--t2);
  transition: all .13s;
  white-space: nowrap;
}
.model-sw-btn:hover { background: var(--hv); color: var(--tx); border-color: var(--bd); }
.model-sw-btn .ms-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; animation: pulse 2.5s ease-in-out infinite; }
.model-sw-btn svg { width: 11px; height: 11px; color: var(--t4); }
.model-dd {
  position: absolute; right: 0; top: calc(100% + 5px);
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: var(--rsm);
  padding: 4px;
  min-width: 200px;
  box-shadow: 0 8px 28px rgba(0,0,0,.5);
  display: none;
  z-index: 50;
}
.model-dd.open { display: block; animation: fadeUp .12s ease both; }
.model-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  border-radius: var(--rxs);
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  font-family: var(--f);
  text-align: left;
  transition: background .1s;
}
.model-opt:hover, .model-opt.on { background: var(--hv); }
.model-opt-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.model-opt-info { flex: 1; min-width: 0; }
.model-opt-name { font-size: 13px; font-weight: 600; color: var(--tx); margin-bottom: 2px; }
.model-opt-desc { font-size: 11px; color: var(--t3); }
.model-opt-check { width: 14px; height: 14px; color: var(--ac); flex-shrink: 0; opacity: 0; }
.model-opt.on .model-opt-check { opacity: 1; }

/* Locked / Coming Soon tier */
.model-opt.locked {
  cursor: not-allowed;
  opacity: 0.55;
}
.model-opt.locked:hover { background: transparent; }
.model-opt.locked .model-opt-name,
.model-opt.locked .model-opt-desc { color: var(--t4); }
.model-opt-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(168,85,247,.15);
  border: 1px solid rgba(168,85,247,.3);
  color: #a855f7;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  flex-shrink: 0;
  margin-left: auto;
}

/* Sidebar backdrop overlay (mobile only) */
#sb-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 199;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity .22s ease;
}
#sb-overlay.open {
  display: block;
  opacity: 1;
}

/* Messages left indicator */
.msg-left {
  font-family: var(--f);
  font-size: 11px;
  font-weight: 600;
  color: var(--ac);
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(91,127,255,0.08);
  border: 1px solid rgba(91,127,255,0.2);
  white-space: nowrap;
  user-select: none;
  display: flex;
  align-items: center;
}
.msg-left.low {
  color: #ff6b6b;
  background: rgba(255,107,107,.08);
  border-color: rgba(255,107,107,.2);
}
.msg-left:empty { display: none; }

/* KB switcher */
.kb-sw {
  display: flex;
  background: var(--rs);
  border: 1px solid var(--bd);
  border-radius: var(--rsm);
  padding: 2px;
  gap: 2px;
  margin-right: 12px;
}
.kb-opt {
  background: transparent;
  border: none;
  font-family: var(--f);
  font-size: 11px;
  font-weight: 700;
  color: var(--t4);
  padding: 5px 10px;
  border-radius: var(--rxs);
  cursor: pointer;
  transition: all .12s;
  white-space: nowrap;
}
.kb-opt:hover { color: var(--t2); }
.kb-opt.on {
  background: var(--sf);
  color: var(--ac);
  box-shadow: 0 2px 4px rgba(0,0,0,.15);
}

/* Mobile overrides */
@media (max-width: 768px) {
  #sb {
    position: fixed;
    z-index: 200;
    top: 0;
    left: 0;
    height: 100dvh;
    width: var(--sw);
    transform: translateX(-100%);
    transition: transform .24s cubic-bezier(.4,0,.2,1);
    opacity: 1;
    pointer-events: auto;
  }
  /* On mobile, .col means CLOSED (translated off-screen) — default state */
  #sb.col {
    transform: translateX(-100%);
    width: var(--sw);
    opacity: 1;
    pointer-events: none;
  }
  /* When sidebar is open on mobile (no .col class), slide in */
  #sb:not(.col) {
    transform: translateX(0);
  }
  .sb-close-mobile { display: flex; }
  #input-wrap { padding: 10px 14px 18px; }
  .pg { grid-template-columns: 1fr; }
  .st-ct { padding: 24px 20px; }
  .st-nv { width: 148px; }
  .ck-bd { flex-direction: column; }
  .ck-form { width: 100%; border-left: none; border-top: 1px solid var(--bs); }
  #snip-sidebar { width: 260px; }
}