/* MyChat local — Brainfusion-donkerstijl (gebaseerd op brainfusion-modern theme)
   Vars: --bf-bg #14152b · --bf-bg2 #1b1d3a · --bf-surface #20224a · --bf-border #2e3160
         --bf-text #e9eaf6 · --bf-muted #a6abd6 · --bf-blue #5b8cff · --bf-purple #a855f7 */
:root {
  --bf-bg: #14152b;
  --bf-bg2: #1b1d3a;
  --bf-surface: #20224a;
  --bf-border: #2e3160;
  --bf-text: #e9eaf6;
  --bf-muted: #a6abd6;
  --bf-blue: #5b8cff;
  --bf-purple: #a855f7;
  --bf-grad: linear-gradient(135deg, var(--bf-blue), var(--bf-purple));
  --bf-shadow: 0 12px 30px rgba(91, 140, 255, .18);
}
* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  background: var(--bf-bg);
  color: var(--bf-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  min-height: 100vh;
}

/* --- header (donker, titel in gradient) --- */
header {
  background: var(--bf-bg2);
  border-bottom: 1px solid var(--bf-border);
  color: var(--bf-text);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.01em;
  background: var(--bf-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.poc {
  background: var(--bf-surface);
  color: var(--bf-muted);
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid var(--bf-border);
}
.status {
  font-size: 13px;
  color: var(--bf-muted);
  margin-left: auto;
}

/* --- layout --- */
main { max-width: 760px; margin: 28px auto; padding: 0 16px; }

/* --- cards / setup --- */
.setup {
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--bf-shadow);
}
.setup h2 {
  margin: 0 0 18px;
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

/* --- auth tabs --- */
.auth-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.auth-tabs .tab {
  background: transparent;
  color: var(--bf-muted);
  border: 1px solid var(--bf-border);
  padding: 9px 16px;
  margin-top: 0;
  border-radius: 10px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: border-color .15s, color .15s, background .15s;
}
.auth-tabs .tab:hover { color: var(--bf-text); border-color: var(--bf-blue); }
.auth-tabs .tab.active {
  background: var(--bf-grad);
  color: #fff;
  border-color: transparent;
}

/* --- form fields --- */
label {
  display: block;
  font-size: 13px;
  color: var(--bf-muted);
  margin: 14px 0 6px;
  font-weight: 500;
}
.opt { color: var(--bf-muted); font-size: 12px; font-weight: 400; opacity: .8; }
input, select {
  width: 100%;
  padding: 11px 13px;
  background: var(--bf-bg2);
  color: var(--bf-text);
  border: 1px solid var(--bf-border);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus {
  outline: 0;
  border-color: var(--bf-blue);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, .22);
}
input::placeholder { color: var(--bf-muted); opacity: .7; }
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23a6abd6' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 13px center;
  padding-right: 34px;
  cursor: pointer;
}
select option { background: var(--bf-surface); color: var(--bf-text); }

/* --- buttons --- */
button {
  background: var(--bf-grad);
  color: #fff;
  border: 0;
  padding: 12px 22px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 18px;
  font-family: inherit;
  transition: transform .15s, box-shadow .15s, background .15s;
}
button:hover { transform: translateY(-2px); box-shadow: var(--bf-shadow); }
button:active { transform: translateY(0); }
.ghost {
  background: transparent;
  color: var(--bf-text);
  border: 1px solid var(--bf-border);
  margin-left: 10px;
}
.ghost:hover { background: var(--bf-surface); border-color: var(--bf-blue); box-shadow: none; }
.ghost.small { margin-top: 0; margin-left: 0; padding: 7px 12px; font-size: 12px; }

/* --- misc --- */
.error { color: #f5a3c7; font-size: 13px; margin-top: 12px; min-height: 18px; font-weight: 500; }
.me-lang { font-size: 14px; color: var(--bf-muted); margin: 10px 0 18px; }
.me-lang b { color: var(--bf-text); }
.hint {
  font-size: 12.5px;
  color: var(--bf-muted);
  margin-top: 18px;
  line-height: 1.6;
  opacity: .85;
}

/* --- chat --- */
.chat {
  background: var(--bf-surface);
  border: 1px solid var(--bf-border);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 150px);
  max-height: 740px;
  box-shadow: var(--bf-shadow);
}
.chat-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--bf-border);
  font-size: 13px;
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--bf-bg2);
}
.chat-header b { color: #fff; }
.chat-header .room, .chat-header .peers { color: var(--bf-muted); }
.chat-header .peers { margin-right: auto; }
.chat-header .room { color: var(--bf-blue); font-weight: 600; }
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bf-bg);
}
.msg {
  max-width: 80%;
  padding: 11px 15px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  word-wrap: break-word;
  border: 1px solid var(--bf-border);
}
.msg.mine {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(91,140,255,.16), rgba(168,85,247,.16));
  border-color: rgba(91,140,255,.35);
}
.msg.theirs { align-self: flex-start; background: var(--bf-surface); }
.msg .from {
  font-size: 11px;
  color: var(--bf-muted);
  margin-bottom: 4px;
  font-weight: 600;
  letter-spacing: .02em;
}
.msg .orig {
  color: var(--bf-muted);
  font-size: 12px;
  font-style: italic;
  margin-top: 6px;
  opacity: .8;
}
.msg .translation {
  background: rgba(168, 85, 247, .14);
  color: var(--bf-text);
  padding: 5px 8px;
  border-radius: 7px;
  margin-top: 5px;
  display: inline-block;
  border: 1px solid rgba(168, 85, 247, .25);
}
.msg .translation.fail {
  background: rgba(245, 163, 199, .12);
  border-color: rgba(245, 163, 199, .3);
  color: #f5a3c7;
}
.lang-tag {
  display: inline-block;
  background: var(--bf-grad);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 5px;
  margin-left: 5px;
  text-transform: uppercase;
  letter-spacing: .04em;
  vertical-align: middle;
}
.typing-indicator {
  padding: 4px 18px 8px;
  font-size: 12px;
  color: var(--bf-muted);
  font-style: italic;
  min-height: 20px;
  opacity: 0;
  transition: opacity .2s;
}
.typing-indicator.active { opacity: 1; }
.composer {
  display: flex;
  gap: 10px;
  padding: 14px;
  border-top: 1px solid var(--bf-border);
  background: var(--bf-bg2);
}
.composer input { flex: 1; margin: 0; }
.composer button { margin-top: 0; flex-shrink: 0; }
.hidden { display: none; }

/* --- auth-form extra velden --- */
.field-group { } /* wrapper voor voorwaardelijke groepen */
/* 2FA-stap (vaste gebruikers) */
.twofa { max-width: 380px; margin: 0 auto; text-align: left; }
.twofa h2 { text-align: center; margin: 0 0 14px; }
.twofa .hint { text-align: center; margin-bottom: 18px; }
.twofa #twofa-code { text-align: center; letter-spacing: 6px; font-size: 20px; font-weight: 600; }
.twofa #twofa-back { margin-top: 10px; width: 100%; }
.optional { margin: 18px 0 4px; border: 1px solid var(--bf-border); border-radius: 10px; padding: 4px 14px 14px; background: var(--bf-bg2); }
.optional summary { cursor: pointer; padding: 10px 0; font-size: 13px; color: var(--bf-blue); font-weight: 600; list-style: none; }
.optional summary::-webkit-details-marker { display: none; }
.optional summary::before { content: "＋ "; color: var(--bf-muted); }
.optional[open] summary::before { content: "－ "; }
textarea {
  width: 100%; padding: 11px 13px; background: var(--bf-bg2); color: var(--bf-text);
  border: 1px solid var(--bf-border); border-radius: 10px; font-size: 15px; font-family: inherit;
  resize: vertical; min-height: 60px; transition: border-color .15s, box-shadow .15s;
}
textarea:focus { outline: 0; border-color: var(--bf-blue); box-shadow: 0 0 0 3px rgba(91,140,255,.22); }
.checkbox-row { display: flex; align-items: flex-start; gap: 10px; margin: 16px 0 6px; font-size: 14px; color: var(--bf-text); }
.checkbox-row input[type=checkbox] { width: auto; margin-top: 3px; accent-color: var(--bf-blue); }
.checkbox-row a { color: var(--bf-blue); }
.rules-text {
  margin-top: 8px; padding: 12px 14px; background: var(--bf-bg); border: 1px solid var(--bf-border);
  border-radius: 10px; font-size: 13px; color: var(--bf-muted); line-height: 1.55; font-style: italic;
}
.me-meta { font-size: 13px; color: var(--bf-muted); margin: 0 0 18px; }
.me-meta .muted { color: var(--bf-muted); }
.guest-badge {
  display: inline-block; background: rgba(168,85,247,.18); color: var(--bf-purple);
  font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 5px;
  border: 1px solid rgba(168,85,247,.3); text-transform: uppercase; letter-spacing: .04em; margin-left: 6px;
}

/* --- scrollbar (subtle, donker) --- */
.messages::-webkit-scrollbar { width: 10px; }
.messages::-webkit-scrollbar-track { background: transparent; }
.messages::-webkit-scrollbar-thumb { background: var(--bf-border); border-radius: 10px; }
.messages::-webkit-scrollbar-thumb:hover { background: var(--bf-blue); }

/* --- mobile --- */
@media (max-width: 600px) {
  main { margin: 14px auto; padding: 0 10px; }
  header { padding: 11px 16px; gap: 10px; }
  header h1 { font-size: 19px; }
  .status { font-size: 12px; }
  .chat { height: calc(100vh - 120px); max-height: none; border-radius: 14px; }
  .msg { max-width: 88%; font-size: 13px; }
  .setup { padding: 20px; border-radius: 14px; }
  .setup h2 { font-size: 1.3rem; }
  .composer { padding: 10px; }
}