/* ============ PallBot — Telegram dark theme ============ */
:root {
  --bg: #0e1621;
  --bg2: #17212b;
  --card: #1c2a3a;
  --card2: #20344a;
  --border: #2b3d4f;
  --text: #f1f5f9;
  --muted: #8298ac;
  --accent: #2ea6ff;
  --accent2: #59a7ff;
  --ok: #4fd17b;
  --err: #ff6b6b;
  --warn: #ffc94d;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  background-image: radial-gradient(1000px 500px at 80% -10%, rgba(46,166,255,.12), transparent 60%),
                    radial-gradient(800px 400px at 0% 0%, rgba(89,167,255,.08), transparent 55%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code {
  background: rgba(46,166,255,.12);
  border: 1px solid rgba(46,166,255,.25);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: .9em;
  color: var(--accent2);
}
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ---------- nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(14,22,33,.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand { font-size: 1.25rem; color: var(--text); }
.brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.nav-links a {
  color: var(--muted); padding: 8px 14px; border-radius: 10px; font-weight: 500;
}
.nav-links a:hover { color: var(--text); background: var(--card); text-decoration: none; }

/* ---------- layout ---------- */
.container { max-width: 1100px; margin: 0 auto; padding: 28px 20px 60px; flex: 1; width: 100%; }
.page-head { margin-bottom: 24px; }
.page-head h1 { font-size: 1.9rem; margin-bottom: 6px; }
.page-head p { color: var(--muted); }

.footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
  font-size: .9rem;
}

/* ---------- hero ---------- */
.hero { text-align: center; padding: 56px 12px 40px; }
.hero-badge {
  display: inline-block;
  background: rgba(46,166,255,.12);
  border: 1px solid rgba(46,166,255,.35);
  color: var(--accent2);
  padding: 6px 16px; border-radius: 999px;
  font-size: .85rem; font-weight: 600;
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.15; margin-bottom: 16px; }
.grad {
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { color: var(--muted); font-size: 1.1rem; max-width: 640px; margin: 0 auto 28px; }
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 22px; }
.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 999px;
  font-size: .88rem; font-weight: 500;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--muted);
}
.status-pill .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--err); }
.status-pill.on .dot { background: var(--ok); box-shadow: 0 0 10px var(--ok); }

/* ---------- cards ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 18px;
}
.card h3 { margin-bottom: 10px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 10px; flex-wrap: wrap; }
.card-head h3 { margin: 0; }
.link { font-size: .9rem; }

.grid { display: grid; gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); margin-top: 10px; }
@media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .grid-4 { grid-template-columns: 1fr; } }

.feature { transition: transform .15s, border-color .15s; }
.feature:hover { transform: translateY(-3px); border-color: var(--accent); }
.feature-icon { font-size: 2rem; margin-bottom: 10px; }
.feature h3 { margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: .92rem; line-height: 1.5; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 11px 20px;
  font-size: .98rem; font-weight: 600;
  cursor: pointer;
  transition: filter .12s, transform .05s;
  color: var(--text);
  background: var(--card2);
}
.btn:hover { filter: brightness(1.15); text-decoration: none; }
.btn:active { transform: scale(.98); }
.btn-primary { background: linear-gradient(135deg, var(--accent2), var(--accent)); color: #fff; }
.btn-outline { background: transparent; border-color: var(--accent); color: var(--accent); }
.btn-danger { background: rgba(255,107,107,.15); border-color: rgba(255,107,107,.4); color: var(--err); }
.btn-small { padding: 7px 14px; font-size: .85rem; border-radius: 9px; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }

/* ---------- forms ---------- */
label { display: block; margin: 14px 0 6px; font-weight: 600; font-size: .92rem; color: var(--text); }
input, select, textarea {
  width: 100%;
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: .98rem;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46,166,255,.15);
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .row-2 { grid-template-columns: 1fr; } }
.tool-row { display: flex; gap: 10px; margin-top: 10px; }
.tool-row input { flex: 1; }
.tool-card input[type="text"], .tool-card input[type="password"],
.tool-card select, .tool-card textarea { margin-top: 0; }
.hint { color: var(--muted); font-size: .88rem; margin-top: 14px; line-height: 1.5; }

/* ---------- results ---------- */
.result-box { margin-top: 16px; min-height: 8px; line-height: 1.6; }
.result-box:empty { display: none; }
.ok { color: var(--ok); font-weight: 600; }
.err { color: var(--err); }
.kv { display: flex; justify-content: space-between; gap: 14px; padding: 7px 0; border-bottom: 1px solid rgba(43,61,79,.5); }
.kv:last-child { border-bottom: none; }
.kv span { color: var(--muted); }
.kv b { text-align: right; word-break: break-all; }

/* ---------- howto ---------- */
.howto { margin-top: 44px; }
.howto h2 { margin-bottom: 20px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }
.step { display: flex; gap: 14px; align-items: flex-start; color: var(--muted); line-height: 1.5; }
.step b { color: var(--text); }
.step-num {
  flex: 0 0 38px; height: 38px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- chat ---------- */
.chat-card { display: flex; flex-direction: column; height: 560px; padding: 14px; }
.chat-log {
  flex: 1; overflow-y: auto;
  display: flex; flex-direction: column; gap: 10px;
  padding: 8px 6px 14px;
}
.msg { display: flex; }
.msg.user { justify-content: flex-end; }
.bubble {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 16px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg.bot .bubble { background: var(--card2); border-bottom-left-radius: 4px; }
.msg.user .bubble { background: linear-gradient(135deg, var(--accent2), var(--accent)); color: #fff; border-bottom-right-radius: 4px; }
.chat-input { display: flex; gap: 10px; border-top: 1px solid var(--border); padding-top: 12px; }

/* ---------- login ---------- */
.login-wrap { display: flex; justify-content: center; padding: 60px 0; }
.login-card { max-width: 400px; width: 100%; text-align: center; }
.login-logo { font-size: 3rem; margin-bottom: 8px; }
.login-card h1 { font-size: 1.5rem; margin-bottom: 6px; }
.login-card form { margin-top: 18px; text-align: left; }
.login-card .hint { margin-top: 16px; }
.alert { padding: 10px 14px; border-radius: 10px; margin: 12px 0; font-size: .92rem; }
.alert-err { background: rgba(255,107,107,.12); border: 1px solid rgba(255,107,107,.4); color: var(--err); }

/* ---------- admin ---------- */
.admin-head { margin-bottom: 22px; }
.admin-head h1 { font-size: 1.6rem; margin-bottom: 12px; }
.admin-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.admin-tabs a {
  padding: 8px 16px; border-radius: 10px;
  background: var(--card); border: 1px solid var(--border);
  color: var(--muted); font-weight: 500; font-size: .92rem;
}
.admin-tabs a:hover { color: var(--text); text-decoration: none; border-color: var(--accent); }
.admin-tabs a.active { background: rgba(46,166,255,.15); border-color: var(--accent); color: var(--accent); }
.admin-tabs a.logout { margin-left: auto; color: var(--err); border-color: rgba(255,107,107,.35); }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
@media (max-width: 900px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
.stat { margin-bottom: 0; }
.stat-label { color: var(--muted); font-size: .85rem; margin-bottom: 6px; }
.stat-val { font-size: 1.5rem; font-weight: 700; }
.stat-val.ok { color: var(--ok); }
.stat-val.bad { color: var(--err); }
.stat-sub { color: var(--muted); font-size: .8rem; margin-top: 4px; }

.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th { text-align: left; color: var(--muted); font-weight: 600; padding: 10px 8px; border-bottom: 1px solid var(--border); }
.table td { padding: 10px 8px; border-bottom: 1px solid rgba(43,61,79,.5); vertical-align: top; }
.table tr:hover td { background: rgba(46,166,255,.05); }

.log-table { max-height: 320px; overflow-y: auto; }
.log-row {
  display: grid; grid-template-columns: 130px 60px 90px 1fr;
  gap: 10px; padding: 6px 4px; border-bottom: 1px solid rgba(43,61,79,.4);
  font-size: .85rem; align-items: baseline;
}
.log-time { color: var(--muted); }
.log-level { font-weight: 700; text-transform: uppercase; font-size: .72rem; }
.log-level.info { color: var(--accent2); }
.log-level.error { color: var(--err); }
.log-level.warn { color: var(--warn); }
.log-src { color: var(--muted); }
.log-msg { word-break: break-word; }

.owner-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.owner-item {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg2); border: 1px solid var(--border);
  padding: 10px 14px; border-radius: 10px;
}

/* ============ v2: loader, banner, logo, PWA, channel cards ============ */

/* ---------- loading screen ---------- */
.loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .6s ease;
}
.loader.hide { opacity: 0; pointer-events: none; }
.loader-box {
  display: flex; flex-direction: column; align-items: center; gap: 18px;
  padding: 24px;
}
.loader-gif {
  width: min(220px, 55vw);
  height: auto;
  border-radius: 18px;
  box-shadow: 0 0 60px rgba(46,166,255,.25);
}
.loader-spinner {
  display: flex; gap: 7px;
  opacity: 0; transition: opacity .3s;
}
.loader-gif[style*="display: none"] + .loader-spinner,
.loader-box:has(.loader-gif[style*="none"]) .loader-spinner { opacity: 1; }
.loader-spinner span {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent);
  animation: bounce 1s infinite ease-in-out;
}
.loader-spinner span:nth-child(2) { animation-delay: .15s; }
.loader-spinner span:nth-child(3) { animation-delay: .3s; }
@keyframes bounce {
  0%, 80%, 100% { transform: scale(.55); opacity: .45; }
  40% { transform: scale(1); opacity: 1; }
}
.loader-text { color: var(--muted); font-size: .95rem; letter-spacing: .4px; }

/* ---------- nav logo ---------- */
.brand { display: inline-flex; align-items: center; gap: 10px; }
.nav-logo {
  width: 42px; height: 42px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
}
@media (max-width: 560px) { .nav-logo { width: 36px; height: 36px; } }

/* ---------- hero banner ---------- */
.hero-banner-wrap { margin-bottom: 22px; }
.hero-banner {
  width: 100%;
  max-width: 860px;
  max-height: 420px;
  object-fit: contain;
  border-radius: 20px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 60px rgba(0,0,0,.45), 0 0 40px rgba(46,166,255,.14);
  margin: 0 auto;
  display: block;
  background: var(--bg2);
}
@media (max-width: 640px) {
  .hero-banner { max-height: 260px; border-radius: 14px; }
  .hero { padding-top: 30px; }
}

/* ---------- chat top bar ---------- */
.chat-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 12px; flex-wrap: wrap;
  font-size: .9rem;
}

/* ---------- channel cards ---------- */
.ch-list { display: flex; flex-direction: column; gap: 14px; }
.ch-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  display: flex; gap: 16px; justify-content: space-between;
  flex-wrap: wrap;
}
.ch-info { flex: 1; min-width: 260px; }
.ch-name { font-size: 1.05rem; margin-bottom: 6px; }
.ch-type {
  display: inline-block; font-size: .72rem; font-weight: 700;
  background: rgba(46,166,255,.14); color: var(--accent);
  border: 1px solid rgba(46,166,255,.3);
  padding: 2px 9px; border-radius: 999px;
  vertical-align: middle; text-transform: uppercase; letter-spacing: .5px;
}
.ch-meta { color: var(--muted); font-size: .85rem; line-height: 1.6; }
.ch-detail { margin-top: 8px; font-size: .85rem; line-height: 1.5; }
.ch-actions {
  display: flex; flex-direction: column; gap: 8px;
  align-items: stretch;
}
.ch-actions .btn { width: 190px; }
@media (max-width: 640px) {
  .ch-actions { flex-direction: row; flex-wrap: wrap; }
  .ch-actions .btn { width: auto; }
}

/* ---------- PWA ---------- */
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
main.container { animation: fadein .35s ease; }

/* ============ v3: chips, channel showroom, live ============ */
.chat-chips {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 4px 6px 12px;
}
.chip {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: .82rem;
  cursor: pointer;
  transition: all .12s;
}
.chip:hover { border-color: var(--accent); color: var(--text); }

.ch-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.ch-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 0; }
.ch-item-qr { flex: 0 0 96px; text-align: center; }
.ch-item-qr img {
  width: 96px; height: 96px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  padding: 4px;
}
.ch-item-info { flex: 1; min-width: 0; }
.ch-item-name { font-size: 1rem; margin-bottom: 6px; word-break: break-word; }
@media (max-width: 560px) {
  .ch-grid { grid-template-columns: 1fr; }
  .ch-item { flex-direction: column-reverse; align-items: center; text-align: center; }
}

.live-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--ok); margin-left: 6px;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .3; } }