/* CHAT X PRIVATE – field-kit palette: dark olive, signal amber */
:root {
  --bg: #1b2118;
  --panel: #222a1e;
  --panel-2: #2a3325;
  --line: #3a4434;
  --text: #e8e6d9;
  --muted: #9ea590;
  --accent: #e0a83a;
  --accent-ink: #1b1a10;
  --mine: #3c4a2f;
  --theirs: #2c3527;
  --danger: #d4664f;
  --ok: #93b86e;
  --radius-lg: 14px;
  --radius-sm: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- brand ---------- */
.brand {
  font-weight: 800;
  letter-spacing: .14em;
  font-size: 1.55rem;
  margin: 0;
  line-height: 1.1;
}
.brand span {
  display: inline-block;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 0 .28em;
  margin: 0 .08em;
  border-radius: 4px;
  transform: skewX(-8deg);
}
.brand.small { font-size: .95rem; letter-spacing: .12em; }

/* ---------- buttons & inputs ---------- */
.btn {
  border: 1px solid var(--line);
  background: var(--panel-2);
  padding: .62rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 650; }
.btn.primary:hover { filter: brightness(1.07); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); background: transparent; }
.btn.sm { padding: .38rem .7rem; font-size: .87rem; }
.btn.block { width: 100%; }

input, select, textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: .65rem .75rem;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; }
label { display: grid; gap: .35rem; font-size: .88rem; color: var(--muted); }

.notice {
  padding: .7rem .85rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--muted);
  background: var(--panel-2);
  margin: 0 0 1rem;
}
.notice.err { border-color: var(--danger); }
.notice.ok { border-color: var(--ok); }
.hint { color: var(--muted); font-size: .84rem; margin: .6rem 0 0; }
.empty { color: var(--muted); font-size: .9rem; padding: .4rem 1rem 1rem; margin: 0; }
.muted { color: var(--muted); }

/* ---------- auth ---------- */
body.auth {
  display: grid;
  place-items: center;
  padding: 1.25rem;
  min-height: 100%;
  background:
    repeating-linear-gradient(135deg, transparent 0 22px, rgba(255,255,255,.018) 22px 23px),
    var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem 1.7rem;
}
.auth-sub { color: var(--muted); margin: .5rem 0 1.6rem; }
.auth-card form { display: grid; gap: 1rem; }
.auth-card .btn.block { margin-top: .4rem; }

/* ---------- app layout ---------- */
body.app {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: 100%;
  height: 100dvh;
  overflow: hidden;
}
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding-top: env(safe-area-inset-top);
}
.side-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  padding: .9rem 1rem .4rem;
}
.side-actions { display: flex; gap: .35rem; }
.me-line { padding: 0 1rem .8rem; color: var(--muted); font-size: .85rem; }
.me-line strong { color: var(--text); font-weight: 600; }

.search { display: flex; gap: .45rem; padding: 0 1rem .9rem; }
.search input { padding: .5rem .7rem; }

.tabs { display: flex; border-bottom: 1px solid var(--line); padding: 0 .5rem; }
.tab {
  flex: 1;
  background: none;
  border: 0;
  padding: .7rem .5rem;
  color: var(--muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: .4rem;
}
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.tab-panel { flex: 1; overflow-y: auto; min-height: 0; padding-bottom: env(safe-area-inset-bottom); }

.badge {
  background: var(--accent);
  color: var(--accent-ink);
  font-size: .72rem;
  font-weight: 700;
  min-width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  padding: 0 .35rem;
}

.conv-list, .req-list { list-style: none; margin: 0; padding: 0; }
.conv {
  display: flex;
  gap: .75rem;
  padding: .75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.conv:hover { background: var(--panel-2); }
.conv.active { background: var(--panel-2); box-shadow: inset 3px 0 0 var(--accent); }
.avatar {
  flex: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--mine);
  color: var(--text);
  display: grid;
  place-items: center;
  font-weight: 700;
}
.conv-body { flex: 1; min-width: 0; display: grid; gap: .15rem; align-content: center; }
.conv-top, .conv-bottom { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.conv-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-time { color: var(--muted); font-size: .76rem; flex: none; }
.conv-preview { color: var(--muted); font-size: .87rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.list-title { font-size: .85rem; font-weight: 600; color: var(--muted); margin: 1rem 1rem .4rem; }
.req {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: .6rem;
  padding: .75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,.04);
}
.req-info { display: grid; gap: .1rem; }
.req-info span { font-size: .84rem; }
.req-actions { display: flex; gap: .35rem; }
.status.pending { color: var(--muted); }
.status.declined { color: var(--danger); }

/* ---------- chat pane ---------- */
.chat { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.chat-placeholder { flex: 1; display: grid; place-items: center; color: var(--muted); padding: 2rem; text-align: center; }
.chat-inner { flex: 1; display: flex; flex-direction: column; min-height: 0; }

.chat-head {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .6rem .75rem;
  padding-top: calc(.6rem + env(safe-area-inset-top));
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.chat-title { flex: 1; font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon-btn {
  background: none;
  border: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--muted);
  flex: none;
}
.icon-btn:hover { background: var(--panel-2); color: var(--text); }
#backBtn { display: none; }

.settings {
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
  padding: .85rem 1rem 1rem;
}
.settings select { margin-top: .1rem; }

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem clamp(.6rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: .3rem;
  overscroll-behavior: contain;
}
.msg { display: flex; }
.msg.mine { justify-content: flex-end; }
.bubble {
  max-width: min(78%, 560px);
  padding: .45rem .65rem .3rem;
  border-radius: var(--radius-lg);
  background: var(--theirs);
}
.msg.mine .bubble { background: var(--mine); border-bottom-right-radius: 4px; }
.msg.theirs .bubble { border-bottom-left-radius: 4px; }
.text { white-space: pre-wrap; word-wrap: break-word; overflow-wrap: anywhere; }
.media {
  display: block;
  max-width: 100%;
  max-height: 340px;
  border-radius: 10px;
  margin: .15rem 0 .2rem;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
img.media { cursor: zoom-in; }
.meta { display: flex; justify-content: flex-end; gap: .3rem; font-size: .7rem; color: var(--muted); margin-top: .1rem; }
.tick.read { color: var(--accent); }

.composer {
  display: flex;
  align-items: flex-end;
  gap: .4rem;
  padding: .6rem .7rem;
  padding-bottom: calc(.6rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: var(--panel);
}
.composer textarea { resize: none; max-height: 140px; line-height: 1.35; padding: .6rem .75rem; }
.attach { cursor: pointer; }
.send { flex: none; }

.viewer {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 8, .94);
  display: grid;
  place-items: center;
  z-index: 50;
  cursor: zoom-out;
  -webkit-user-select: none;
  user-select: none;
}
.viewer img { max-width: 96vw; max-height: 92vh; -webkit-touch-callout: none; pointer-events: none; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(5.5rem + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--text);
  color: var(--bg);
  padding: .6rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  max-width: calc(100vw - 2rem);
  z-index: 60;
}
.toast.err { background: var(--danger); color: #fff; }

/* ---------- mobile ---------- */
@media (max-width: 759px) {
  body.app { grid-template-columns: 1fr; }
  .chat { display: none; }
  body.app.in-chat .sidebar { display: none; }
  body.app.in-chat .chat { display: flex; height: 100%; height: 100dvh; }
  #backBtn { display: inline-grid; }
  .bubble { max-width: 85%; }
}

/* ---------- admin ---------- */
body.admin { min-height: 100%; }
.admin-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem clamp(1rem, 4vw, 2.5rem);
  padding-top: calc(1rem + env(safe-area-inset-top));
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.admin-main { max-width: 1080px; margin: 0 auto; padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 3rem; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.2rem 1.3rem 1.3rem;
  margin-bottom: 1.25rem;
}
.panel h2 { font-size: 1.05rem; margin: 0 0 1rem; display: flex; align-items: baseline; gap: .7rem; flex-wrap: wrap; }
.count { font-size: .84rem; font-weight: 400; color: var(--muted); }
.grid-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .8rem; align-items: end; }

.table-wrap { overflow-x: auto; }
table.users { width: 100%; border-collapse: collapse; font-size: .9rem; }
.users th { text-align: left; font-weight: 600; color: var(--muted); padding: .5rem .6rem; border-bottom: 1px solid var(--line); white-space: nowrap; }
.users td { padding: .7rem .6rem; border-bottom: 1px solid rgba(255,255,255,.05); vertical-align: middle; }
.users td small { display: block; color: var(--muted); font-size: .76rem; margin-top: .2rem; }
.users tr.off .uname { color: var(--muted); }
.uname { font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: .35rem; }
.actions form { margin: 0; }
.pill { display: inline-block; font-size: .76rem; padding: .12rem .5rem; border-radius: 999px; font-weight: 600; }
.pill.on { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--ok); }
.pill.off { background: color-mix(in srgb, var(--danger) 22%, transparent); color: var(--danger); }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }