:root {
  --bg: #0e1116;
  --bg-2: #161b22;
  --bg-3: #1f262f;
  --line: #2a313c;
  --text: #e6edf3;
  --text-dim: #9aa6b2;
  --text-mut: #6c7681;
  --accent: #f0b90b;       /* BNB yellow */
  --accent-2: #ffd24a;
  --green: #3ddc84;
  --red:   #ff5d6c;
  --orange: #ffae42;
  --blue:  #6aa6ff;
  --purple:#b88cff;
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

button { font: inherit; cursor: pointer; }
input, select { font: inherit; color: inherit; }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ----- Layout ----- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  position: sticky; top: 0; z-index: 10;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #c98e00);
  color: #0a0d12; font-size: 22px; font-weight: 700;
}
.brand-title { font-weight: 700; font-size: 16px; }
.brand-sub   { color: var(--text-dim); font-size: 12px; }

.wallet { text-align: right; }
.wallet-label { font-size: 11px; color: var(--text-mut); text-transform: uppercase; letter-spacing: 0.06em; }
.wallet-addr  { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.wallet-bal   { font-weight: 700; color: var(--accent); }

.main { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.toolbar h2 { margin: 0; font-size: 18px; }

.bots-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
.empty {
  padding: 40px;
  text-align: center;
  color: var(--text-mut);
  background: var(--bg-2);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

/* ----- Bot card ----- */
.bot-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.bot-head {
  display: flex; justify-content: space-between; align-items: flex-start; gap: 8px;
}
.bot-title  { font-weight: 700; font-size: 16px; }
.bot-addr   { font-family: ui-monospace, monospace; color: var(--text-mut); font-size: 11px; word-break: break-all; }

.badge {
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  white-space: nowrap;
}
.badge.running  { background: rgba(61,220,132,0.12); color: var(--green); }
.badge.stopped  { background: rgba(108,118,129,0.18); color: var(--text-dim); }
.badge.starting { background: rgba(106,166,255,0.14); color: var(--blue); }
.badge.stopping { background: rgba(255,174,66,0.14); color: var(--orange); }
.badge.error    { background: rgba(255,93,108,0.15); color: var(--red); }

.kv { display: flex; justify-content: space-between; gap: 8px; font-size: 13px; }
.kv .k { color: var(--text-mut); }
.kv .v { font-family: ui-monospace, monospace; }

.levels {
  background: var(--bg-3);
  border-radius: var(--radius-sm);
  padding: 8px;
  font-size: 12px;
  display: flex; flex-direction: column; gap: 4px;
  max-height: 220px; overflow-y: auto;
}
.lvl {
  display: grid;
  grid-template-columns: 24px 1fr 80px;
  gap: 8px;
  align-items: center;
  padding: 4px 6px;
  border-radius: 6px;
}
.lvl:hover { background: rgba(255,255,255,0.02); }
.lvl-k    { color: var(--text-mut); font-weight: 600; }
.lvl-tgt  { font-family: ui-monospace, monospace; }
.lvl-stat {
  text-align: right;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.lvl-stat.pending  { color: var(--text-mut); }
.lvl-stat.sticky   { color: var(--orange); }
.lvl-stat.executing{ color: var(--blue); }
.lvl-stat.filled   { color: var(--green); }
.lvl-stat.closing  { color: var(--purple); }
.lvl-stat.closed   { color: var(--text-dim); }

.bot-foot { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.bot-foot .btn { flex: 1 1 auto; min-width: 70px; }

.params { display: flex; flex-wrap: wrap; gap: 6px 12px; font-size: 12px; color: var(--text-dim); }
.params span b { color: var(--text); font-weight: 600; }

.error-line {
  background: rgba(255,93,108,0.10);
  border: 1px solid rgba(255,93,108,0.25);
  color: var(--red);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 12px;
}

/* ----- Buttons ----- */
.btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: var(--text);
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #2a313c; }
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0d12;
  font-weight: 700;
}
.btn-primary:hover { background: var(--accent-2); }
.btn-danger { background: rgba(255,93,108,0.10); border-color: rgba(255,93,108,0.4); color: var(--red); }
.btn-danger:hover { background: rgba(255,93,108,0.18); }
.btn-ghost { background: transparent; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.icon-btn {
  width: 32px; height: 32px;
  border: none; background: transparent; color: var(--text-dim);
  font-size: 24px; line-height: 1; border-radius: 6px;
}
.icon-btn:hover { background: var(--bg-3); color: var(--text); }

/* ----- Modal ----- */
.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: grid; place-items: center;
  padding: 16px;
  z-index: 100;
  backdrop-filter: blur(2px);
}
.modal.hidden { display: none; }
.modal-card {
  background: var(--bg-2);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  width: 100%;
  max-width: 520px;
  max-height: calc(100vh - 32px);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.modal-wide { max-width: 800px; }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.modal-header h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 14px; }
.modal-footer {
  display: flex; gap: 8px; justify-content: flex-end;
  padding-top: 8px; border-top: 1px solid var(--line); margin-top: 6px;
  padding: 12px 0 0 0;
}

.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 12px; color: var(--text-dim); font-weight: 500; }
.field input, .field select {
  padding: 9px 11px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: var(--text);
  width: 100%;
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(240,185,11,0.15);
}
.row { display: flex; gap: 8px; }
.row > input { flex: 1; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 540px) { .grid-2 { grid-template-columns: 1fr; } }

.hint { font-size: 11px; color: var(--text-mut); }
.hint.success { color: var(--green); }
.hint.error   { color: var(--red); }

.advanced summary {
  cursor: pointer;
  color: var(--text-dim);
  padding: 6px 0;
  user-select: none;
  font-size: 13px;
}
.advanced summary:hover { color: var(--text); }
.advanced[open] > summary { margin-bottom: 10px; }

.preview {
  background: var(--bg-3);
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  border: 1px solid var(--line);
}
.preview-title { color: var(--text-dim); font-weight: 600; margin-bottom: 8px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; }
.preview-row { display: grid; grid-template-columns: 32px 1fr 1fr; gap: 8px; padding: 3px 0; font-family: ui-monospace, monospace; }
.preview-row .lk { color: var(--text-mut); }
.preview-foot { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--line); color: var(--text-dim); display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }

.form-error {
  background: rgba(255,93,108,0.10);
  border: 1px solid rgba(255,93,108,0.3);
  color: var(--red);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
}
.hidden { display: none !important; }

/* Logs */
.logs-body {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  white-space: pre-wrap; word-break: break-word;
  background: var(--bg);
  padding: 14px;
  overflow-y: auto;
  flex: 1;
  max-height: 70vh;
  line-height: 1.5;
}
.log-line { padding: 1px 0; }
.log-line.error { color: var(--red); }
.log-line.warn  { color: var(--orange); }
.log-line.info  { color: var(--text); }
.log-line .ts   { color: var(--text-mut); }

/* Toasts */
.toast-wrap {
  position: fixed; right: 16px; bottom: 16px;
  display: flex; flex-direction: column; gap: 8px; z-index: 200;
  pointer-events: none;
}
.toast {
  background: var(--bg-3);
  border: 1px solid var(--line);
  padding: 10px 14px;
  border-radius: 8px;
  max-width: 360px;
  box-shadow: 0 6px 30px rgba(0,0,0,0.4);
  pointer-events: auto;
  animation: slideIn 0.2s ease-out;
}
.toast.success { border-color: var(--green); }
.toast.error   { border-color: var(--red); }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ----- Auth screens ----- */
.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(ellipse at top, rgba(240,185,11,0.08), transparent 60%),
    var(--bg);
}
.auth-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 32px 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 80px rgba(0,0,0,0.4);
}
.auth-logo {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #c98e00);
  color: #0a0d12; font-size: 28px; font-weight: 700;
  margin: 0 auto 16px;
}
.auth-card h1 {
  text-align: center;
  margin: 0 0 8px;
  font-size: 22px;
  font-weight: 600;
}
.auth-sub {
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  margin: 0 0 24px;
  line-height: 1.5;
}
.auth-card form { display: flex; flex-direction: column; gap: 14px; }
.btn-block { width: 100%; }
.link-btn {
  background: transparent;
  border: none;
  color: var(--text-mut);
  font-size: 12px;
  padding: 8px;
  margin-top: -4px;
}
.link-btn:hover { color: var(--text-dim); background: transparent; text-decoration: underline; }

.icon-toggle {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-mut);
  padding: 8px 12px;
}
.icon-toggle:hover { color: var(--text); }

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  word-break: break-all;
}

.topbar-right {
  display: flex; align-items: center; gap: 12px;
}
.topbar-actions { display: flex; gap: 4px; }


/* ===================== Multi-chain UI additions ===================== */

/* Chain tabs */
.chain-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.chain-tab {
  background: var(--bg-2);
  color: var(--text-mut);
  border: 1px solid var(--line);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
  font-weight: 500;
}
.chain-tab:hover {
  background: var(--bg-3);
  color: var(--text);
}
.chain-tab.active {
  background: var(--accent);
  color: #0a0a0a;
  border-color: var(--accent);
  font-weight: 600;
}
.chain-tab .cnt {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  background: rgba(0,0,0,0.25);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
}
.chain-tab.active .cnt {
  background: rgba(0,0,0,0.2);
  color: inherit;
}
.chain-tab:not(.active) .cnt {
  background: var(--bg-3);
  color: var(--text-mut);
}

/* Chain badge on bot card */
.chain-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  margin-left: 6px;
  vertical-align: middle;
  letter-spacing: 0.04em;
}
.chain-badge.chain-bsc {
  background: #f0b90b22;
  color: #f0b90b;
  border: 1px solid #f0b90b44;
}
.chain-badge.chain-eth {
  background: #627eea22;
  color: #8aa3ff;
  border: 1px solid #627eea55;
}

/* Multi-chain balances in topbar */
.wallet-balances {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 2px;
}
.wallet-balances .bal {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  font-size: 12px;
  color: var(--text-mut);
}
.wallet-balances .bal .bal-amt {
  color: var(--text);
  font-weight: 600;
}
.wallet-balances .bal-error {
  color: #e87a7a;
}

/* Inline hint in form labels */
.hint-inline {
  font-weight: 400;
  font-size: 11px;
  color: var(--text-mut);
  margin-left: 4px;
}

/* Make gas settings details a bit more distinct */
.advanced summary {
  font-weight: 600;
  font-size: 13px;
}

/* ===================== Mobile responsive ===================== */

@media (max-width: 768px) {
  /* Topbar */
  .topbar {
    padding: 10px 14px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .brand-logo { width: 32px; height: 32px; font-size: 18px; }
  .brand-title { font-size: 14px; }
  .wallet-addr { font-size: 11px; }

  /* Chain tabs */
  .chain-tabs { gap: 4px; margin-bottom: 10px; }
  .chain-tab { padding: 5px 10px; font-size: 12px; }

  /* Toolbar */
  .toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .toolbar h2 { font-size: 16px; }
  .search-wrap { max-width: 100% !important; margin-right: 0 !important; }
  .toolbar-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .toolbar-actions .btn {
    font-size: 12px;
    padding: 7px 8px;
  }
  .toolbar-actions .btn-primary {
    grid-column: 1 / -1;
  }

  /* Bot cards — одна колонка */
  .bots-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* Bot card */
  .bot-card { padding: 12px; gap: 10px; }
  .bot-title { font-size: 14px; }
  .bot-addr { font-size: 10px; }
  .kv { font-size: 12px; }

  /* Levels */
  .levels { font-size: 11px; max-height: 180px; }

  /* Bot footer buttons */
  .bot-foot {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }
  .bot-foot .btn { min-width: unset; font-size: 12px; padding: 7px 8px; }

  /* Modal */
  .modal { padding: 8px; }
  .modal-card { max-height: calc(100vh - 16px); border-radius: 10px; }
  .modal-body { padding: 12px; gap: 10px; }
  .grid-2 { grid-template-columns: 1fr; }

  /* Main padding */
  .main { padding: 12px 12px; }
}

@media (max-width: 480px) {
  .topbar-right { gap: 6px; }
  .wallet-balances .bal { font-size: 11px; }
  .chain-tab .cnt { display: none; }
  .toolbar-actions {
    grid-template-columns: 1fr 1fr;
  }
}