/* ============================================================================
   2007-era Facebook layout with clear/light chrome, plus a dark theme.
   Every colour goes through a variable, so the two themes stay in step.
   Theme is chosen by data-theme on <html>; with no choice saved we follow the
   operating system via prefers-color-scheme.
   ========================================================================== */
:root {
  --page:        #ffffff;
  --panel:       #ffffff;   /* cards, chat windows */
  --panel-2:     #f2f3f5;   /* panel headers, active nav */
  --hover:       #f7f8fa;
  --bar-bg:      rgba(255,255,255,.92);
  --line:        #d4d6da;
  --line-soft:   #e8eaed;
  --text:        #1c1e21;
  --ink:         #1c1e21;   /* wordmark, headings */
  --muted:       #8a8f98;
  --link:        #2f3a4a;
  --btn-bg:      #f2f3f5;
  --btn-bg-hover:#e4e6eb;
  --btn-border:  #ccd0d5;
  --input-bg:    #ffffff;
  --input-border:#ccd0d5;
  --msg-bg:      #f1f1f1;
  --msg-border:  #e0e0e0;
  --msg-mine:    #e9f0f7;
  --msg-mine-bd: #cfdcea;
  --quote-bg:    #fffbe6;
  --quote-bd:    #f0e4b0;
  --quote-text:  #6b5a1e;
  --toast-bg:    #fffbe6;
  --toast-bd:    #e2c822;
  --toast-text:  #5a4a10;
  --green:       #5a9e34;
  --online:      #8ac36a;
  --bad:         #d02b2b;
  --shadow:      rgba(0,0,0,.12);
}

:root[data-theme="dark"] {
  --page:        #15171a;
  --panel:       #1e2126;
  --panel-2:     #262a30;
  --hover:       #23272d;
  --bar-bg:      rgba(24,26,30,.94);
  --line:        #363b42;
  --line-soft:   #2b2f35;
  --text:        #e4e6eb;
  --ink:         #f0f2f5;
  --muted:       #9aa0a8;
  --link:        #b8c4d4;
  --btn-bg:      #2b3038;
  --btn-bg-hover:#353b45;
  --btn-border:  #454c56;
  --input-bg:    #14171a;
  --input-border:#3a4048;
  --msg-bg:      #2a2f36;
  --msg-border:  #363c44;
  --msg-mine:    #2b3a4d;
  --msg-mine-bd: #3a4f68;
  --quote-bg:    #2c2919;
  --quote-bd:    #4a432180;
  --quote-text:  #d8cc95;
  --toast-bg:    #2c2919;
  --toast-bd:    #6b5f2a;
  --toast-text:  #e6dcae;
  --online:      #7dc95f;
  --bad:         #ff6b61;
  --shadow:      rgba(0,0,0,.5);
}

/* Follow the OS unless the visitor has explicitly picked a theme. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page:        #15171a;
    --panel:       #1e2126;
    --panel-2:     #262a30;
    --hover:       #23272d;
    --bar-bg:      rgba(24,26,30,.94);
    --line:        #363b42;
    --line-soft:   #2b2f35;
    --text:        #e4e6eb;
    --ink:         #f0f2f5;
    --muted:       #9aa0a8;
    --link:        #b8c4d4;
    --btn-bg:      #2b3038;
    --btn-bg-hover:#353b45;
    --btn-border:  #454c56;
    --input-bg:    #14171a;
    --input-border:#3a4048;
    --msg-bg:      #2a2f36;
    --msg-border:  #363c44;
    --msg-mine:    #2b3a4d;
    --msg-mine-bd: #3a4f68;
    --quote-bg:    #2c2919;
    --quote-bd:    #4a432180;
    --quote-text:  #d8cc95;
    --toast-bg:    #2c2919;
    --toast-bd:    #6b5f2a;
    --toast-text:  #e6dcae;
    --online:      #7dc95f;
    --bad:         #ff6b61;
    --shadow:      rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--page); color: var(--text);
  font: 11px/1.28 "lucida grande", tahoma, verdana, arial, sans-serif;
}
a, .link { color: var(--link); text-decoration: none; cursor: pointer; }
a:hover, .link:hover { text-decoration: underline; }
button { font: inherit; cursor: pointer; }
input, textarea { font: inherit; }
h2 { font-size: 13px; color: var(--ink); margin: 0 0 8px; }
[hidden] { display: none !important; }

.btn, #authForm button[type=submit], #composer button, .composer-msg button {
  background: var(--btn-bg); color: var(--ink); border: 1px solid var(--btn-border);
  padding: 3px 12px; font-weight: bold; font-size: 11px;
}
.btn:hover, #authForm button[type=submit]:hover,
#composer button:hover, .composer-msg button:hover { background: var(--btn-bg-hover); }

input[type=text], input[type=password], input:not([type]), textarea {
  border: 1px solid var(--input-border); background: var(--input-bg);
  color: var(--text); padding: 3px 4px; outline: none;
}
input:focus, textarea:focus { border-color: var(--muted); }
::placeholder { color: var(--muted); }

/* ----------------------------------------------------------- auth page --- */
.auth { min-height: 100vh; background: var(--page); display: block; }
.auth::before {
  content: "budbl";
  display: block; background: var(--panel); color: var(--ink);
  border-bottom: 1px solid var(--line);
  font-size: 20px; font-weight: bold; letter-spacing: -.5px; padding: 8px 16px 9px;
}
.auth-card {
  width: 240px; margin: 26px 0 0 16px;
  border: 1px solid var(--line); background: var(--panel); padding: 10px 12px 14px;
}
.auth-card h1 { display: none; }
.tagline { color: var(--muted); font-size: 11px; margin: 0 0 10px; }
.tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.tab {
  flex: 1; padding: 3px 6px; background: var(--panel-2); color: var(--link);
  border: 1px solid var(--line); font-size: 11px;
}
.tab.active { background: var(--btn-bg-hover); color: var(--ink); border-color: var(--btn-border); font-weight: bold; }
#authForm { display: flex; flex-direction: column; }
#authForm input { display: block; width: 100%; margin: 0 0 8px; }
#authForm button[type=submit] { align-self: flex-start; margin-top: 2px; }
.error { color: var(--bad); font-size: 11px; min-height: 14px; margin-bottom: 4px; }

/* ------------------------------------------------------------- topbar --- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 14px;
  padding: 0 14px; height: 40px;
  background: var(--bar-bg); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: bold; font-size: 19px; color: var(--ink); letter-spacing: -.5px; }
.topbar nav { display: flex; gap: 2px; margin-right: auto; }
.navbtn {
  position: relative; background: transparent; border: none; color: var(--muted);
  padding: 5px 10px; font-size: 11px;
}
.navbtn:hover { background: var(--hover); color: var(--ink); }
.navbtn.active { background: var(--btn-bg-hover); color: var(--ink); font-weight: bold; }
.badge {
  display: inline-block; min-width: 15px; padding: 0 4px; margin-left: 4px;
  background: var(--bad); color: #fff; font-size: 10px; font-weight: bold;
  text-align: center; border-radius: 2px;
}
.me { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 11px; }
.me .link { color: var(--muted); text-decoration: underline; }
#themeBtn {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  font-size: 13px; line-height: 1; padding: 3px 6px;
}
#themeBtn:hover { background: var(--hover); border-color: var(--line); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.online { background: var(--online); }
.dot.reconnecting { background: #e8b23a; animation: pulse 1s infinite; }
.dot.offline { background: var(--bad); }
@keyframes pulse { 50% { opacity: .3; } }

main { max-width: 700px; margin: 0 auto; padding: 14px 12px 60px; }
.view-head { display: flex; align-items: center; justify-content: space-between; }
.hint { color: var(--muted); font-size: 11px; }

/* ---------------------------------------------------------- composer --- */
#composer { background: var(--panel); border: 1px solid var(--line); padding: 0 0 8px; margin-bottom: 12px; }
#composer::before {
  content: "What's on your mind?";
  display: block; background: var(--panel-2); border-bottom: 1px solid var(--line-soft);
  padding: 5px 8px; font-weight: bold; color: var(--ink); font-size: 11px;
}
#composerBody { width: calc(100% - 16px); margin: 8px; resize: vertical; min-height: 46px; }
.composer-row { display: flex; align-items: center; justify-content: space-between; padding: 0 8px; }
.pill {
  display: block; width: 100%; margin-bottom: 10px; padding: 4px;
  border: 1px solid var(--line); background: var(--panel-2);
  color: var(--link); font-weight: bold; font-size: 11px; text-align: center;
}

/* ------------------------------------------------------------- lists --- */
.list { display: flex; flex-direction: column; gap: 8px; }
.card { background: var(--panel); border: 1px solid var(--line); padding: 8px 10px; }
.card-head { display: flex; align-items: baseline; gap: 6px; margin-bottom: 3px; }
.name { font-weight: bold; color: var(--link); font-size: 12px; }
.handle, .time { color: var(--muted); font-size: 10px; }
.body { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 12px; }
.card-actions { display: flex; gap: 8px; margin-top: 7px; padding-top: 6px; border-top: 1px solid var(--line-soft); }
.action { background: none; border: none; color: var(--link); font-size: 11px; padding: 0; }
.action:hover { text-decoration: underline; }
.action.on { color: var(--bad); font-weight: bold; }
.action.danger { color: var(--bad); }

/* ---------------------------------------------------------- messages --- */
.conv-list { display: flex; flex-direction: column; border: 1px solid var(--line); }
.conv {
  text-align: left; width: 100%; padding: 7px 9px; background: var(--panel);
  border: none; border-bottom: 1px solid var(--line-soft); color: var(--text);
}
.conv:last-child { border-bottom: none; }
.conv:hover { background: var(--hover); }
.conv .who { display: flex; align-items: center; gap: 5px; font-weight: bold; color: var(--link); }
.conv .preview { color: var(--muted); font-size: 11px; margin-top: 2px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv .ctx { color: var(--muted); font-size: 10px; margin-top: 2px; }
.mini-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); display: inline-block; }
.mini-dot.online { background: var(--online); }

/* ------------------------------------------------- docked chat windows --- */
#chatDock {
  position: fixed; right: 12px; bottom: 0; z-index: 40;
  display: flex; align-items: flex-end; gap: 8px; flex-direction: row-reverse;
  pointer-events: none;
}
.chatwin {
  pointer-events: auto; width: 290px; display: flex; flex-direction: column;
  background: var(--panel); border: 1px solid var(--line); border-bottom: none;
  box-shadow: 0 -2px 10px var(--shadow);
}
.chatwin.min .chatwin-body { display: none; }
.chatwin-head {
  display: flex; align-items: center; gap: 6px; padding: 6px 8px;
  background: var(--panel-2); color: var(--ink); cursor: pointer;
  border-bottom: 1px solid var(--line-soft);
}
.chatwin-head .title {
  font-weight: bold; font-size: 11px; flex: 1; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chatwin-head .iconbtn { background: none; border: none; color: var(--muted); font-size: 12px; line-height: 1; padding: 0 3px; }
.chatwin-head .iconbtn:hover { color: var(--ink); }
.chatwin-body { display: flex; flex-direction: column; height: 300px; }
.chatwin .ctx {
  padding: 5px 8px; background: var(--quote-bg); border-bottom: 1px solid var(--quote-bd);
  color: var(--quote-text); font-size: 10px;
}
.msgs { flex: 1; overflow-y: auto; padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.msgs .empty-hint { color: var(--muted); font-size: 11px; margin: auto; text-align: center; padding: 0 12px; }
.msg { max-width: 82%; padding: 5px 8px; background: var(--msg-bg); border: 1px solid var(--msg-border); }
.msg.mine { align-self: flex-end; background: var(--msg-mine); border-color: var(--msg-mine-bd); }
.msg .meta { font-size: 9px; color: var(--muted); margin-top: 2px; display: flex; gap: 5px; }
.msg.mine .meta { justify-content: flex-end; }
.msg.pending { opacity: .6; }
.msg.failed { border-color: var(--bad); }
.typing { color: var(--muted); font-size: 10px; padding: 0 8px 4px; height: 14px; font-style: italic; }
.composer-msg { display: flex; gap: 5px; padding: 6px; border-top: 1px solid var(--line-soft); background: var(--panel-2); }
.composer-msg input { flex: 1; }
.retry { background: none; border: none; color: var(--bad); text-decoration: underline; font-size: 9px; }

/* ------------------------------------------------------------ people --- */
#peopleSearch, #adminSearch { width: 100%; padding: 3px 5px; margin-bottom: 10px; }
.person { display: flex; align-items: center; gap: 8px; }
.person .grow { flex: 1; }

.notif.unread { border-left: 3px solid var(--muted); background: var(--quote-bg); }

/* -------------------------------------------------------------- admin --- */
.card.banned { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 8%, var(--panel)); }
.tag { margin-left: 6px; padding: 0 5px; font-size: 9px; font-weight: bold; vertical-align: middle; border: 1px solid; }
.admin-tag { background: var(--panel-2); color: var(--ink); border-color: var(--line); }
.ban-tag { background: color-mix(in srgb, var(--bad) 15%, var(--panel)); color: var(--bad); border-color: var(--bad); }

.toast {
  position: fixed; bottom: 14px; left: 50%; transform: translateX(-50%);
  background: var(--toast-bg); border: 1px solid var(--toast-bd); color: var(--toast-text);
  padding: 6px 14px; font-size: 11px; z-index: 50;
}

/* ------------------------------------------------------------- mobile --- */
@media (max-width: 640px) {
  main { padding: 10px 8px 40px; }
  .topbar { gap: 8px; padding: 0 8px; }
  .navbtn { padding: 4px 6px; }
  .brand { font-size: 16px; }
  .me span:not(.dot) { display: none; }
  .auth-card { width: auto; margin: 20px 12px 0; }

  #chatDock { right: 0; left: 0; gap: 0; }
  .chatwin { width: 100vw; border-left: none; border-right: none; }
  .chatwin-body { height: 66vh; }
  .chatwin:not(:first-child) { display: none; }
  .msg { max-width: 88%; }
}
