:root {
  --bg: #03080d;
  --panel: rgba(5, 15, 23, .91);
  --panel2: rgba(8, 20, 31, .94);

  --cyan: #00ddff;
  --lime: #c6ff00;
  --purple: #ef62ff;

  --text: #d8f4ff;
  --muted: #6f8fa0;

  --border: #007fa5;
  --soft-border: #164557;

  --radius: 13px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  min-height: 100vh;

  background:
    radial-gradient(circle at 50% -20%, rgba(0,221,255,.13), transparent 38%),
    radial-gradient(circle at 90% 90%, rgba(198,255,0,.04), transparent 30%),
    linear-gradient(160deg,#020609,#071019 55%,#02070b);

  color: var(--text);

  font-family:
    "JetBrains Mono",
    "Fira Code",
    "Noto Sans Mono",
    monospace;
}

button,
input {
  font: inherit;
}

button {
  color: var(--text);

  background:
    linear-gradient(
      180deg,
      rgba(13,30,43,.95),
      rgba(5,15,23,.95)
    );

  border: 1px solid var(--border);
  border-radius: 10px;

  padding: 10px 15px;

  cursor: pointer;

  transition: .16s ease;
}

button:hover {
  color: var(--cyan);
  border-color: var(--cyan);

  box-shadow:
    0 0 12px rgba(0,221,255,.16),
    inset 0 0 12px rgba(0,221,255,.04);
}

button:disabled,
input:disabled {
  opacity: .38;
  cursor: default;
}

input {
  color: var(--text);
  background: rgba(1,7,12,.88);

  border: 1px solid var(--soft-border);
  border-radius: 9px;

  padding: 13px 15px;

  outline: none;
}

input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 10px rgba(0,221,255,.13);
}


/* =======================================================================
   PAGE
   ======================================================================= */

.page {
  width: min(1500px, 97%);
  margin: 18px auto 35px;
}


/* =======================================================================
   TOP BAR
   ======================================================================= */

.topbar {
  min-height: 76px;

  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 12px 18px;

  background: var(--panel);

  border: 1px solid var(--border);
  border-radius: var(--radius);

  box-shadow:
    0 10px 35px rgba(0,0,0,.35),
    inset 0 0 25px rgba(0,221,255,.025);
}

.brand {
  display: flex;
  align-items: center;
  gap: 15px;
}

.brand-mark {
  width: 48px;
  height: 48px;

  display: grid;
  place-items: center;

  color: var(--cyan);

  font-size: 39px;
  line-height: 1;

  text-shadow: 0 0 14px rgba(0,221,255,.5);
}

.brand h1 {
  margin: 0;

  color: var(--cyan);

  font-size: 27px;
  letter-spacing: 1px;
}

.brand p {
  margin: 4px 0 0;

  color: var(--cyan);

  font-size: 13px;
  letter-spacing: 2px;
}

.network-badge {
  display: flex;
  align-items: center;
  gap: 10px;

  padding: 10px 15px;

  color: var(--cyan);

  border: 1px solid var(--border);
  border-radius: 10px;

  background: rgba(5,16,24,.8);
}

.network-badge span:last-child {
  color: var(--lime);
}

.status-dot,
.live-dot,
.lime-dot,
.cyan-dot {
  display: inline-block;

  width: 9px;
  height: 9px;

  border-radius: 50%;
}

.status-dot,
.lime-dot,
.live-dot {
  background: var(--lime);
  box-shadow: 0 0 8px rgba(198,255,0,.7);
}

.cyan-dot {
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0,221,255,.7);
}


/* =======================================================================
   LOGIN
   ======================================================================= */

.login-screen {
  display: grid;
  place-items: center;

  padding: 55px 0;
}

.login-panel {
  width: min(850px,100%);

  padding: 27px;

  background: var(--panel);

  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.section-label {
  margin-bottom: 9px;

  color: var(--cyan);

  font-size: 12px;
  letter-spacing: 2px;
}

.categories-label {
  margin-top: 30px;
}

.login-panel h2 {
  margin: 0 0 15px;

  font-size: 19px;
}

#nickname {
  width: min(450px,100%);
}

#categories {
  display: grid;

  grid-template-columns:
    repeat(4,1fr);

  gap: 12px;
}

#categories button {
  min-height: 62px;

  display: flex;
  align-items: center;
  gap: 10px;

  font-weight: 600;
}

#categories button:hover {
  color: var(--lime);
  border-color: var(--lime);

  box-shadow:
    0 0 15px rgba(198,255,0,.12);
}


/* =======================================================================
   ROOM HEADER
   ======================================================================= */

#room {
  margin-top: 14px;
}

.room-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding: 10px 13px;

  background: var(--panel);

  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.room-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.room-prefix {
  color: var(--muted);
}

#room-name {
  color: var(--lime);
}

#connection-status {
  margin-left: 15px;

  color: var(--cyan);

  font-size: 12px;
}

#leave {
  color: var(--purple);
  border-color: rgba(239,98,255,.7);
}

#leave:hover {
  border-color: var(--purple);

  box-shadow:
    0 0 14px rgba(239,98,255,.16);
}


/* =======================================================================
   WORKSPACE
   ======================================================================= */

.workspace {
  display: grid;

  grid-template-columns:
    240px minmax(0,1fr);

  gap: 12px;

  margin-top: 12px;
}


/* =======================================================================
   USERS
   ======================================================================= */

.users-panel {
  min-height: 680px;

  padding: 15px;

  background: var(--panel);

  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.panel-title {
  display: flex;
  align-items: center;
  justify-content: space-between;

  padding-bottom: 13px;
  margin-bottom: 12px;

  color: var(--cyan);

  border-bottom: 1px solid var(--soft-border);

  font-size: 13px;
}

#users {
  display: grid;
  gap: 7px;
}

#users button {
  width: 100%;

  text-align: left;

  border-color: transparent;

  background: transparent;
}

#users button:hover {
  border-color: var(--cyan);
}

#users button.selected {
  color: var(--lime);

  border-color: var(--lime);

  background:
    rgba(198,255,0,.055);

  box-shadow:
    0 0 13px rgba(198,255,0,.1);
}


/* =======================================================================
   CHAT
   ======================================================================= */

.chat {
  min-width: 0;
  min-height: 680px;

  display: flex;
  flex-direction: column;

  padding: 12px;

  background: var(--panel);

  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.chat-status {
  display: flex;
  align-items: center;
  gap: 9px;

  min-height: 35px;

  padding: 4px 8px 12px;

  color: var(--muted);

  border-bottom:
    1px solid var(--soft-border);

  font-size: 12px;
}


/* =======================================================================
   CHAT SCREEN
   ======================================================================= */

.chat-screen {
  position: relative;

  flex: 1;

  min-height: 390px;

  margin: 10px 0;

  overflow: hidden;

  background:
    radial-gradient(
      circle at center,
      rgba(0,221,255,.035),
      transparent 60%
    ),
    rgba(0,4,7,.84);

  border: 1px solid var(--soft-border);
  border-radius: 10px;

  box-shadow:
    inset 0 0 45px rgba(0,0,0,.7);
}

.chat-screen::before {
  content: "";

  pointer-events: none;

  position: absolute;
  inset: 0;

  opacity: .16;

  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      rgba(0,221,255,.035) 4px
    );
}

#messages {
  position: absolute;

  inset: 0;

  overflow-y: auto;

  padding: 25px;

  scrollbar-width: thin;
  scrollbar-color:
    var(--border) transparent;
}

.message {
  margin-bottom: 12px;

  line-height: 1.5;

  text-shadow:
    0 0 6px rgba(0,221,255,.08);
}

.message strong {
  color: var(--cyan);
}


/* =======================================================================
   MESSAGE BAR
   ======================================================================= */

#message-form {
  display: grid;

  grid-template-columns:
    minmax(0,1fr) 140px;

  gap: 10px;
}

#send {
  color: var(--lime);

  border-color:
    rgba(198,255,0,.7);
}

#send:hover {
  border-color: var(--lime);

  box-shadow:
    0 0 14px rgba(198,255,0,.14);
}


/* =======================================================================
   VIDEO
   ======================================================================= */

#start-video {
  align-self: flex-start;

  margin-top: 12px;

  color: var(--cyan);
}

#video-area {
  margin-top: 12px;

  padding: 12px;

  background:
    rgba(1,7,11,.75);

  border: 1px solid var(--soft-border);
  border-radius: 10px;
}

.video-grid {
  display: grid;

  grid-template-columns:
    1fr 1fr;

  gap: 10px;

  margin-bottom: 10px;
}

.video-box {
  position: relative;
}

.video-label {
  display: flex;
  align-items: center;
  gap: 7px;

  margin-bottom: 7px;

  color: var(--muted);

  font-size: 12px;
}

.video-grid video {
  width: 100%;

  aspect-ratio: 16/9;

  display: block;

  object-fit: cover;

  background: #000;

  border: 1px solid var(--border);
  border-radius: 9px;
}

#hangup-video {
  color: var(--purple);

  border-color:
    rgba(239,98,255,.65);
}


/* =======================================================================
   DEBUG
   ======================================================================= */

#debug-panel {
  margin-top: 12px;

  padding: 12px;

  background: var(--panel);

  border: 1px solid var(--soft-border);
  border-radius: var(--radius);
}

.debug-header {
  display: flex;
  align-items: center;
  justify-content: space-between;

  color: var(--cyan);
}

.debug-header button {
  padding: 6px 9px;

  font-size: 11px;
}

#debug-log {
  height: 130px;

  overflow: auto;

  margin: 10px 0 0;

  padding: 10px;

  color: #7894a1;

  background: #010406;

  border: 1px solid #102c39;
  border-radius: 8px;

  font-size: 10px;

  white-space: pre-wrap;
  word-break: break-word;
}


/* =======================================================================
   RESPONSIVE
   ======================================================================= */

@media (max-width: 850px) {

  .workspace {
    grid-template-columns: 1fr;
  }

  .users-panel {
    min-height: auto;
  }

  #users {
    grid-template-columns:
      repeat(auto-fit,minmax(130px,1fr));
  }

  #categories {
    grid-template-columns:
      repeat(2,1fr);
  }

  .network-badge {
    display: none;
  }

}

@media (max-width: 600px) {

  .page {
    width: 95%;
  }

  .brand h1 {
    font-size: 21px;
  }

  .brand-mark {
    display: none;
  }

  #categories {
    grid-template-columns: 1fr;
  }

  .video-grid {
    grid-template-columns: 1fr;
  }

  #message-form {
    grid-template-columns: 1fr;
  }

  .room-info {
    flex-wrap: wrap;
  }

}


/* Purple + orange outer frame */

.page {
  position: relative;
  padding: 3px;

  border: 1px solid #ef62ff;
  border-radius: 17px;

  box-shadow:
    0 0 0 3px #ff8a00,
    0 0 18px rgba(239, 98, 255, .20),
    0 0 32px rgba(255, 138, 0, .10);
}

.page::before {
  content: "";
  position: absolute;
  inset: -7px;
  pointer-events: none;

  border: 1px solid rgba(255, 138, 0, .75);
  border-radius: 21px;

  box-shadow:
    0 0 14px rgba(255, 138, 0, .12);
}