/* ═══════════════════════════════════════════════════════════════
   Trading Bot Dashboard — Dark Theme
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg:          #0d1117;
  --bg-card:     #161b22;
  --bg-card2:    #1c2230;
  --border:      #30363d;
  --text:        #e6edf3;
  --text-muted:  #8b949e;
  --accent:      #58a6ff;
  --green:       #3fb950;
  --green-dim:   #1a4a2a;
  --red:         #f85149;
  --red-dim:     #4a1a1a;
  --yellow:      #d29922;
  --radius:      8px;
  --shadow:      0 4px 24px rgba(0,0,0,0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, monospace;
  font-size: 14px;
  min-height: 100vh;
}

/* ── Auth pages ─────────────────────────────────────────────────── */

.auth-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow);
}

.auth-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.auth-logo .icon {
  font-size: 32px;
}

.auth-logo h1 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.auth-logo p {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 500;
}

.form-group input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 14px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus {
  border-color: var(--accent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s, transform 0.1s;
  text-decoration: none;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #0d1117;
  width: 100%;
}

.btn-primary:hover { opacity: 0.9; }

.btn-success {
  background: var(--green);
  color: #0d1117;
}

.btn-danger {
  background: var(--red);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); }

.yubikey-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 24px;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: 12px;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s;
  margin: 20px 0;
}

.yubikey-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.yubikey-btn .yk-icon { font-size: 40px; }
.yubikey-btn.active { border-color: var(--yellow); color: var(--yellow); animation: pulse 1s infinite; }
.yubikey-btn.success { border-color: var(--green); color: var(--green); }
.yubikey-btn.error { border-color: var(--red); color: var(--red); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.auth-link {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
}

.auth-link a { color: var(--accent); text-decoration: none; }

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 13px;
  display: none;
}

.alert.show { display: block; }
.alert-error { background: var(--red-dim); border: 1px solid var(--red); color: var(--red); }
.alert-success { background: var(--green-dim); border: 1px solid var(--green); color: var(--green); }


/* ── Dashboard layout ───────────────────────────────────────────── */

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 0;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 20px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-logo .icon { font-size: 24px; }
.sidebar-logo span { font-weight: 700; font-size: 16px; }

.sidebar-nav {
  list-style: none;
  flex: 1;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--text-muted);
  text-decoration: none;
  border-radius: 0;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  background: rgba(88, 166, 255, 0.08);
  color: var(--accent);
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.sidebar-user strong {
  display: block;
  color: var(--text);
  font-size: 14px;
}

.main {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 600;
}

/* ── Stats cards ────────────────────────────────────────────────── */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.stat-card .value {
  font-size: 26px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat-card .sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.text-green { color: var(--green); }
.text-red   { color: var(--red); }
.text-yellow{ color: var(--yellow); }
.text-muted { color: var(--text-muted); }

/* ── Bot control panel ──────────────────────────────────────────── */

.bot-panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.bot-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status-dot.running {
  background: var(--green);
  box-shadow: 0 0 6px var(--green);
  animation: blink 2s infinite;
}

.status-dot.stopped { background: var(--red); }

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.bot-meta {
  font-size: 13px;
  color: var(--text-muted);
  margin-left: auto;
}

/* ── Section / Table ────────────────────────────────────────────── */

.section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.section-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.section-body {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 10px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card2);
}

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

tbody td {
  padding: 11px 16px;
  font-size: 13px;
  vertical-align: middle;
  font-variant-numeric: tabular-nums;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge-buy  { background: var(--green-dim); color: var(--green); }
.badge-sell { background: var(--red-dim);   color: var(--red); }
.badge-sl   { background: #4a2a1a; color: #e08030; }
.badge-tp   { background: var(--green-dim); color: var(--green); }
.badge-signal { background: rgba(88,166,255,0.1); color: var(--accent); }

.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}

.empty-state .esc-icon { font-size: 40px; margin-bottom: 12px; }

/* ── Pagination ─────────────────────────────────────────────────── */

.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.page-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  transition: border-color 0.15s, color 0.15s;
}

.page-btn:hover { border-color: var(--accent); color: var(--accent); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Positions table ────────────────────────────────────────────── */

.pnl-pos { color: var(--green); }
.pnl-neg { color: var(--red); }

/* ── Spinner ────────────────────────────────────────────────────── */

.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 768px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; min-width: 100%; height: auto; position: static; }
  .main { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}