/* ZOLAR */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --c0: #000000;
  --c1: #0f0f0f;
  --c2: #1a1a1a;
  --c3: #2a2a2a;
  --c4: #404040;
  --c5: #606060;
  --c6: #888888;
  --c7: #b0b0b0;
  --c8: #d0d0d0;
  --c9: #ffffff;
  --r: 10px;
  --rr: 20px;
}

html, body {
  height: 100%;
  background: var(--c0);
  color: var(--c9);
  font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

#root { height: 100vh; display: flex; }

.aw {
  display: flex;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

/* auth page */
.ap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100vh;
  background: var(--c0);
}

.af {
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.at {
  display: flex;
  background: var(--c2);
  border-radius: var(--rr);
  padding: 4px;
  gap: 2px;
}

.tb {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--c6);
  font-family: inherit;
  font-size: 13px;
  padding: 7px 12px;
  border-radius: calc(var(--rr) - 4px);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tb.ac {
  background: var(--c3);
  color: var(--c9);
}

.tb:hover:not(.ac) { color: var(--c8); }

.afc { display: flex; flex-direction: column; gap: 10px; }

.ai {
  width: 100%;
  background: var(--c2);
  border: 1px solid var(--c3);
  border-radius: var(--r);
  color: var(--c9);
  font-family: inherit;
  font-size: 14px;
  padding: 11px 14px;
  outline: none;
  transition: border-color 0.15s;
}

.ai:focus { border-color: var(--c5); }
.ai::placeholder { color: var(--c5); }

.ab {
  width: 100%;
  background: var(--c3);
  border: 1px solid var(--c4);
  border-radius: var(--r);
  color: var(--c9);
  font-family: inherit;
  font-size: 14px;
  padding: 11px;
  cursor: pointer;
  transition: background 0.15s;
}

.ab:hover { background: var(--c4); }
.ab:disabled { opacity: 0.5; cursor: not-allowed; }

.aer {
  color: var(--c6);
  font-size: 12px;
  min-height: 16px;
  text-align: center;
}

/* sidebar */
.sb {
  width: 240px;
  min-width: 240px;
  background: var(--c1);
  border-right: 1px solid var(--c2);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

.sbt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border-bottom: 1px solid var(--c2);
  min-height: 52px;
}

.sun {
  font-size: 13px;
  font-weight: 500;
  color: var(--c8);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sto { display: flex; gap: 4px; }

.snb {
  background: transparent;
  border: 1px solid var(--c3);
  border-radius: 6px;
  color: var(--c6);
  font-size: 14px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  line-height: 1;
  font-family: inherit;
}

.snb:hover { background: var(--c2); color: var(--c9); }

.sl {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sl::-webkit-scrollbar { width: 4px; }
.sl::-webkit-scrollbar-track { background: transparent; }
.sl::-webkit-scrollbar-thumb { background: var(--c3); border-radius: 2px; }

.se {
  color: var(--c5);
  font-size: 12px;
  text-align: center;
  padding: 24px 8px;
}

.slb {
  color: var(--c5);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 8px 4px;
}

.si {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px;
  border-radius: var(--r);
  cursor: pointer;
  transition: background 0.1s;
}

.si:hover { background: var(--c2); }
.si.ac { background: var(--c2); }

.sia {
  position: relative;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  background: var(--c3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sist {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c5);
  border: 2px solid var(--c1);
  position: absolute;
  bottom: -1px;
  right: -1px;
  transition: background 0.3s;
}

.sist.on { background: #4caf50; }

.siga {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.sgi {
  width: 32px;
  height: 32px;
  background: var(--c3);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  color: var(--c7);
}

.sgic {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  object-fit: cover;
}

.sin {
  font-size: 13px;
  color: var(--c8);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* chat view */
.cv {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--c0);
}

.ce {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c5);
  font-size: 13px;
}

.ch {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--c2);
  min-height: 52px;
}

.chn {
  font-size: 14px;
  font-weight: 500;
  color: var(--c9);
}

.cmb {
  background: transparent;
  border: 1px solid var(--c3);
  border-radius: 6px;
  color: var(--c6);
  font-family: inherit;
  font-size: 12px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.cmb:hover { background: var(--c2); color: var(--c9); }

.cm {
  flex: 1;
  overflow-y: auto;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cm::-webkit-scrollbar { width: 4px; }
.cm::-webkit-scrollbar-track { background: transparent; }
.cm::-webkit-scrollbar-thumb { background: var(--c3); border-radius: 2px; }

.msg {
  display: flex;
  flex-direction: column;
  max-width: 68%;
  align-self: flex-start;
  margin-bottom: 6px;
}

.msg.mi {
  align-self: flex-end;
  align-items: flex-end;
}

.mun {
  font-size: 11px;
  color: var(--c5);
  margin-bottom: 3px;
  padding-left: 2px;
}

.mb {
  background: var(--c2);
  border-radius: 14px 14px 14px 4px;
  padding: 9px 13px;
  font-size: 14px;
  color: var(--c9);
  line-height: 1.45;
  word-break: break-word;
}

.msg.mi .mb {
  background: var(--c3);
  border-radius: 14px 14px 4px 14px;
}

.mt {
  font-size: 10px;
  color: var(--c5);
  margin-top: 3px;
  padding: 0 2px;
}

.ci {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--c2);
}

.cit {
  flex: 1;
  background: var(--c2);
  border: 1px solid var(--c3);
  border-radius: var(--r);
  color: var(--c9);
  font-family: inherit;
  font-size: 14px;
  padding: 10px 14px;
  outline: none;
  resize: none;
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.45;
  transition: border-color 0.15s;
}

.cit:focus { border-color: var(--c5); }
.cit::placeholder { color: var(--c5); }
.cit::-webkit-scrollbar { width: 3px; }
.cit::-webkit-scrollbar-thumb { background: var(--c4); border-radius: 2px; }

.csb {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  background: var(--c3);
  border: 1px solid var(--c4);
  border-radius: 50%;
  color: var(--c9);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
  font-family: inherit;
}

.csb:hover { background: var(--c4); }

/* overlay/modal */
.ov {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}

.om {
  background: var(--c1);
  border: 1px solid var(--c3);
  border-radius: 14px;
  padding: 20px;
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 60vh;
  overflow-y: auto;
}

.om::-webkit-scrollbar { width: 4px; }
.om::-webkit-scrollbar-thumb { background: var(--c3); border-radius: 2px; }

.omh {
  font-size: 14px;
  font-weight: 500;
  color: var(--c8);
  margin-bottom: 4px;
}

/* user search results */
.ur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--c8);
  font-size: 13px;
  transition: background 0.1s;
}

.ur:hover { background: var(--c2); }

.ust {
  font-size: 10px;
  color: var(--c5);
}

.ust.on { color: #4caf50; }

.ue {
  color: var(--c5);
  font-size: 12px;
  text-align: center;
  padding: 12px 0;
}

/* group members */
.mbi {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 4px;
}

.mbst {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c5);
  flex-shrink: 0;
  transition: background 0.3s;
}

.mbst.on { background: #4caf50; }

.mbun {
  flex: 1;
  font-size: 13px;
  color: var(--c8);
}

.mbrl {
  font-size: 11px;
  color: var(--c5);
}