:root {
  --bg: #0a0710;
  --bg-2: #120a1f;
  --panel: rgba(18, 10, 31, 0.72);
  --cyan: #00f0ff;
  --magenta: #ff2bd6;
  --violet: #8a5bff;
  --text: #d7e7ff;
  --muted: #6f7ba3;
  --danger: #ff4d6d;
  --grid-line: rgba(138, 91, 255, 0.12);
}

* {
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan) rgba(10, 7, 16, 0.8);
}

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

body {
  font-family: "Share Tech Mono", monospace;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(255, 43, 214, 0.12), transparent 60%),
    radial-gradient(1000px 700px at -10% 110%, rgba(0, 240, 255, 0.12), transparent 60%),
    linear-gradient(160deg, var(--bg), var(--bg-2));
  background-attachment: fixed;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.scanlines {
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0) 2px,
    rgba(0, 0, 0, 0.18) 3px
  );
  mix-blend-mode: multiply;
  pointer-events: none;
  z-index: 50;
}

.hidden {
  display: none !important;
}

/* ---- Logo ---- */
.logo {
  font-family: "Orbitron", sans-serif;
  letter-spacing: 3px;
  color: var(--cyan);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
  margin: 0;
}
.logo span {
  color: var(--magenta);
  text-shadow: 0 0 8px rgba(255, 43, 214, 0.6);
}
.logo.small {
  font-size: 1.1rem;
}

/* ---- Login gate ---- */
.gate {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  height: 100%;
}
.gate-card {
  position: relative;
  width: min(440px, 92vw);
  padding: 36px 32px;
  background: var(--panel);
  border: 1px solid rgba(0, 240, 255, 0.25);
  border-radius: 14px;
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 0 1px rgba(255, 43, 214, 0.08),
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 40px rgba(138, 91, 255, 0.18);
}
.ffc-logo {
  display: block;
  width: 80px;
  height: 80px;
  margin: 0 auto 12px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
}
.gate-card .logo {
  font-size: 2.2rem;
  text-align: center;
}
.tagline {
  color: var(--muted);
  text-align: center;
  margin: 6px 0 26px;
}
#login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
#login-form label {
  color: var(--cyan);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}
input,
textarea {
  font-family: inherit;
  color: var(--text);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(138, 91, 255, 0.4);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus,
textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px rgba(0, 240, 255, 0.18), 0 0 18px rgba(0, 240, 255, 0.25);
}
button {
  font-family: "Orbitron", sans-serif;
  letter-spacing: 2px;
  cursor: pointer;
  color: #060010;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  border: none;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 700;
  transition: transform 0.08s, box-shadow 0.15s, filter 0.15s;
}
button:hover {
  box-shadow: 0 0 18px rgba(255, 43, 214, 0.5);
  filter: brightness(1.08);
}
button:active {
  transform: translateY(1px);
}
.hint {
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
  margin: 18px 0 0;
}
code {
  color: var(--magenta);
}

/* ---- App shell ---- */
.app {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 18px;
  border-bottom: 1px solid rgba(0, 240, 255, 0.18);
  background: rgba(10, 7, 16, 0.6);
  backdrop-filter: blur(6px);
}
.topbar .me {
  color: var(--muted);
}
.topbar .me strong {
  color: var(--cyan);
}
.topbar .status {
  margin-left: auto;
  color: var(--muted);
  font-size: 0.85rem;
}
.status.online {
  color: #57ffa8;
  text-shadow: 0 0 8px rgba(87, 255, 168, 0.5);
}
.status.offline {
  color: var(--danger);
}

.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 0;
}
.roster {
  border-right: 1px solid rgba(138, 91, 255, 0.18);
  padding: 14px;
  overflow-y: auto;
  background: rgba(8, 5, 14, 0.4);
}
.roster h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 2px;
  color: var(--violet);
  margin: 0 0 12px;
}
.roster h2 span {
  color: var(--cyan);
}
#roster-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#roster-list li {
  font-size: 0.9rem;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}
#roster-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #57ffa8;
  box-shadow: 0 0 8px #57ffa8;
}

.chat {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.messages {
  list-style: none;
  margin: 0;
  padding: 18px;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.msg {
  max-width: 72ch;
  padding: 8px 12px;
  border-radius: 10px;
  background: rgba(18, 10, 31, 0.7);
  border-left: 2px solid var(--violet);
  word-wrap: break-word;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  animation: pop 0.18s ease-out;
}
.msg .who {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 8px;
}
.msg .time {
  color: var(--muted);
  font-size: 0.72rem;
  margin-left: 8px;
}
.msg.mine {
  align-self: flex-end;
  border-left: none;
  border-right: 2px solid var(--magenta);
  background: rgba(45, 14, 40, 0.6);
}
.msg.mine .who {
  color: var(--magenta);
}
.msg.system {
  align-self: center;
  background: transparent;
  border: none;
  color: var(--muted);
  font-style: italic;
  font-size: 0.82rem;
}
@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.composer {
  border-top: 1px solid rgba(0, 240, 255, 0.18);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(10, 7, 16, 0.6);
}
.composer textarea {
  resize: none;
  max-height: 160px;
}
.composer-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}
.byte-count {
  color: var(--muted);
  font-size: 0.8rem;
}
.byte-count.over {
  color: var(--danger);
}
.composer-meta button {
  margin-left: auto;
}

.toast {
  position: absolute;
  bottom: 86px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 77, 109, 0.16);
  border: 1px solid var(--danger);
  color: #ffd2da;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  box-shadow: 0 0 20px rgba(255, 77, 109, 0.3);
}

/* ---- Cyberpunk Scrollbars ---- */

/* Webkit (Chrome, Safari, Edge) */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(10, 7, 16, 0.8);
  border-left: 1px solid rgba(0, 240, 255, 0.15);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--cyan), var(--magenta));
  border-radius: 4px;
  box-shadow: 0 0 6px rgba(0, 240, 255, 0.5), 0 0 12px rgba(255, 43, 214, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.8), 0 0 20px rgba(138, 91, 255, 0.5);
}

::-webkit-scrollbar-corner {
  background: var(--bg);
}

/* Textarea resize handle */
textarea {
  resize: vertical;
}

textarea::-webkit-resizer {
  background: linear-gradient(135deg, transparent 50%, var(--cyan) 50%, var(--cyan) 60%, transparent 60%, transparent 70%, var(--magenta) 70%, var(--magenta) 80%, transparent 80%);
}

/* Selections */
::selection {
  background: rgba(0, 240, 255, 0.3);
  color: #fff;
}

/* Focus outlines */
:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

/* Input / button cyberpunk states */
input:focus,
textarea:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 8px rgba(0, 240, 255, 0.3), inset 0 0 4px rgba(0, 240, 255, 0.1);
}

button:active {
  transform: scale(0.97);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.6), 0 0 30px rgba(255, 43, 214, 0.3);
}

@media (max-width: 720px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .roster {
    display: none;
  }
}