/* PurringBot Arbitrage — KuCoin Dark Theme */

/* ── Reset & Base ────────────────────────────────────────────────────────── */
.pb-wrap *,
.pb-wrap *::before,
.pb-wrap *::after { box-sizing: border-box; margin: 0; padding: 0; }

.pb-wrap {
  --pb-bg:          #0A0C14;
  --pb-surface:     #141722;
  --pb-surface-2:   #1A1F30;
  --pb-border:      #1E2436;
  --pb-green:       #26DE81;
  --pb-green-dim:   rgba(38,222,129,0.12);
  --pb-green-glow:  rgba(38,222,129,0.6);
  --pb-red:         #FF4757;
  --pb-red-dim:     rgba(255,71,87,0.12);
  --pb-yellow:      #FFA502;
  --pb-blue:        #4A90E2;
  --pb-blue-dim:    rgba(74,144,226,0.15);
  --pb-text:        #EAECF0;
  --pb-muted:       #8892A4;
  --pb-radius:      4px;
  --pb-font-mono:   'Courier New', 'Lucida Console', monospace;
  --pb-font-sans:   -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  background: var(--pb-bg);
  color: var(--pb-text);
  font-family: var(--pb-font-sans);
  font-size: 14px;
  line-height: 1.5;
  padding: 20px;
  min-height: 600px;
}

/* ── Auth Layout ─────────────────────────────────────────────────────────── */
.pb-auth-center {
  max-width: 440px;
  margin: 60px auto;
}

.pb-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--pb-font-mono);
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 2px;
  color: var(--pb-text);
  margin-bottom: 32px;
}

/* ── Tabs ────────────────────────────────────────────────────────────────── */
.pb-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  padding: 4px;
  margin-bottom: 20px;
}

.pb-tab {
  background: none;
  border: none;
  color: var(--pb-muted);
  padding: 8px 12px;
  border-radius: calc(var(--pb-radius) - 2px);
  cursor: pointer;
  font-family: var(--pb-font-sans);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.pb-tab--active,
.pb-tab:hover {
  background: var(--pb-green);
  color: var(--pb-bg);
}

/* ── Cards ───────────────────────────────────────────────────────────────── */
.pb-card {
  background: var(--pb-surface);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  overflow: hidden;
  position: relative;
}

.pb-card--profit { overflow: hidden; }

.pb-card--overflow { overflow: hidden; }

.pb-profit-bg-icon {
  position: absolute;
  top: 0; right: 0;
  padding: 12px;
  pointer-events: none;
}

.pb-card-header {
  padding: 12px 16px;
}

.pb-card-header--bordered {
  border-bottom: 1px solid var(--pb-border);
  background: rgba(255,255,255,0.02);
}

.pb-card-header--flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pb-card-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--pb-text);
  margin-bottom: 4px;
}

.pb-card-title--sm {
  font-size: 11px;
  font-weight: 500;
  color: var(--pb-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 0;
}

.pb-card-desc {
  font-size: 13px;
  color: var(--pb-muted);
  margin-top: 4px;
}

.pb-card-body {
  padding: 16px;
}

/* ── Dashboard Grid ──────────────────────────────────────────────────────── */
.pb-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 860px) {
  .pb-grid { grid-template-columns: 1fr; }
}

.pb-col-left,
.pb-col-right { display: flex; flex-direction: column; gap: 16px; }

/* ── Wallet ──────────────────────────────────────────────────────────────── */
.pb-balance {
  font-family: var(--pb-font-mono);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.pb-wallet-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

/* ── Profit Widget ───────────────────────────────────────────────────────── */
.pb-profit-total {
  font-family: var(--pb-font-mono);
  font-size: 36px;
  font-weight: 700;
  color: var(--pb-green);
  letter-spacing: -1px;
  position: relative;
  z-index: 1;
}

.pb-profit-meta {
  font-size: 12px;
  color: var(--pb-muted);
  margin-top: 6px;
  display: flex;
  gap: 8px;
  position: relative;
  z-index: 1;
}

.pb-green { color: var(--pb-green); }

/* ── Badges ──────────────────────────────────────────────────────────────── */
.pb-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--pb-font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
  text-transform: uppercase;
}

.pb-badge--connected {
  background: var(--pb-green-dim);
  color: var(--pb-green);
  border-color: rgba(38,222,129,0.3);
}

.pb-badge--offline {
  background: rgba(136,146,164,0.12);
  color: var(--pb-muted);
  border-color: var(--pb-border);
}

.pb-badge--executing {
  background: var(--pb-green-dim);
  color: var(--pb-green);
  border-color: rgba(38,222,129,0.3);
  animation: pb-pulse 1.5s infinite;
}

.pb-badge--profitable {
  background: var(--pb-green-dim);
  color: var(--pb-green);
  border-color: rgba(38,222,129,0.3);
}

.pb-badge--scanning {
  background: var(--pb-blue-dim);
  color: var(--pb-blue);
  border-color: rgba(74,144,226,0.3);
}

.pb-badge--skipped {
  background: rgba(136,146,164,0.08);
  color: var(--pb-muted);
  border-color: var(--pb-border);
}

.pb-badge--completed {
  background: var(--pb-green-dim);
  color: var(--pb-green);
  border-color: rgba(38,222,129,0.2);
}

@keyframes pb-pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.pb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: var(--pb-radius);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-family: var(--pb-font-sans);
  font-weight: 500;
  line-height: 1;
  transition: all 0.15s ease;
  text-decoration: none;
}

.pb-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pb-btn--primary {
  background: var(--pb-green);
  color: var(--pb-bg);
  border-color: var(--pb-green);
}

.pb-btn--primary:hover:not(:disabled) {
  background: #1bc46a;
  border-color: #1bc46a;
}

.pb-btn--outline {
  background: transparent;
  color: var(--pb-text);
  border-color: var(--pb-border);
}

.pb-btn--outline:hover:not(:disabled) {
  background: var(--pb-surface-2);
  border-color: var(--pb-muted);
}

.pb-btn--full  { width: 100%; }
.pb-btn--sm    { padding: 5px 12px; font-size: 12px; }
.pb-btn--mono  { font-family: var(--pb-font-mono); font-size: 11px; letter-spacing: 0.05em; }

/* ── Quick Actions ───────────────────────────────────────────────────────── */
.pb-actions { display: flex; flex-direction: column; gap: 8px; }

/* ── Tables ──────────────────────────────────────────────────────────────── */
.pb-table-scroll {
  overflow-x: auto;
}

.pb-table-scroll--tall {
  max-height: 280px;
  overflow-y: auto;
}

.pb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.pb-table thead th {
  padding: 10px 16px;
  font-family: var(--pb-font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--pb-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255,255,255,0.025);
  border-bottom: 1px solid var(--pb-border);
  white-space: nowrap;
}

.pb-table--mono thead th,
.pb-table--mono tbody td {
  font-family: var(--pb-font-mono);
  font-size: 11px;
}

.pb-sticky-head {
  position: sticky;
  top: 0;
  z-index: 2;
}

.pb-table tbody tr {
  border-bottom: 1px solid rgba(30,36,54,0.6);
  transition: background 0.1s;
}

.pb-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.pb-table tbody td {
  padding: 10px 16px;
  vertical-align: middle;
}

.pb-right  { text-align: right; }
.pb-center { text-align: center; }

.pb-empty-cell {
  text-align: center;
  color: var(--pb-muted);
  font-family: var(--pb-font-mono);
  font-size: 11px;
  padding: 32px 16px !important;
  letter-spacing: 0.1em;
}

/* ── Price Cell ──────────────────────────────────────────────────────────── */
.pb-price {
  font-family: var(--pb-font-mono);
  text-align: right;
}

.pb-price--high  { color: var(--pb-green); font-weight: 700; }
.pb-price--low   { color: var(--pb-red);   font-weight: 700; }
.pb-price--flash-up   { animation: pb-flash-green 0.4s ease; }
.pb-price--flash-down { animation: pb-flash-red   0.4s ease; }

@keyframes pb-flash-green {
  0%   { color: var(--pb-green); }
  100% { color: inherit; }
}
@keyframes pb-flash-red {
  0%   { color: var(--pb-red); }
  100% { color: inherit; }
}

/* ── Spread Cell ─────────────────────────────────────────────────────────── */
.pb-spread--high   { color: var(--pb-green); font-weight: 700; }
.pb-spread--mid    { color: var(--pb-yellow); font-weight: 700; }
.pb-spread--low    { color: var(--pb-muted); }

/* ── Pair Cell ───────────────────────────────────────────────────────────── */
.pb-pair { font-family: var(--pb-font-mono); font-weight: 700; }

/* ── Trade Route ─────────────────────────────────────────────────────────── */
.pb-route-from { color: var(--pb-red); }
.pb-route-sep  { color: var(--pb-muted); margin: 0 4px; }
.pb-route-to   { color: var(--pb-green); }

/* ── Poll Indicator ──────────────────────────────────────────────────────── */
.pb-poll-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--pb-font-mono);
  font-size: 10px;
  color: var(--pb-muted);
}

.pb-live-dot {
  width: 8px; height: 8px;
  background: var(--pb-green);
  border-radius: 50%;
  animation: pb-pulse 1.5s infinite;
  box-shadow: 0 0 6px var(--pb-green-glow);
}

.pb-pulse-icon { animation: pb-pulse 1.5s infinite; }

/* ── Alerts ──────────────────────────────────────────────────────────────── */
.pb-alert {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--pb-radius);
  border: 1px solid transparent;
  margin-bottom: 16px;
  font-size: 13px;
}

.pb-alert--danger {
  background: var(--pb-red-dim);
  border-color: var(--pb-red);
  color: var(--pb-red);
}

.pb-balance-warning strong {
  display: block;
  font-weight: 700;
  font-family: var(--pb-font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.pb-balance-warning span {
  font-size: 12px;
  opacity: 0.9;
}

.pb-alert--error {
  background: var(--pb-red-dim);
  border-color: var(--pb-red);
  color: var(--pb-red);
}

.pb-alert--success {
  background: var(--pb-green-dim);
  border-color: rgba(38,222,129,0.4);
  color: var(--pb-green);
}

/* ── Forms ───────────────────────────────────────────────────────────────── */
.pb-field { margin-bottom: 16px; }

.pb-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--pb-text);
  margin-bottom: 6px;
}

.pb-input {
  width: 100%;
  background: var(--pb-bg);
  border: 1px solid var(--pb-border);
  border-radius: var(--pb-radius);
  color: var(--pb-text);
  font-family: var(--pb-font-mono);
  font-size: 13px;
  padding: 9px 12px;
  transition: border-color 0.15s;
  outline: none;
}

.pb-input:focus {
  border-color: var(--pb-green);
  box-shadow: 0 0 0 2px var(--pb-green-dim);
}

.pb-input::placeholder { color: var(--pb-muted); }

.pb-field-error {
  display: block;
  font-size: 11px;
  color: var(--pb-red);
  margin-top: 4px;
  min-height: 16px;
}