:root {
  --bg: #0C0A1A;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-solid: #15122B;
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(167, 139, 250, 0.35);

  --purple: #8B5CF6;
  --purple-light: #A78BFA;
  --purple-glow: rgba(139, 92, 246, 0.35);
  --pink: #EC4899;
  --blue: #38BDF8;
  --green: #22C55E;
  --red: #F43F5E;

  --text: #F3F1FA;
  --text-muted: #9691AF;
  --text-faint: #6B6685;

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 900px 600px at 15% -10%, var(--purple-glow), transparent),
    radial-gradient(ellipse 700px 500px at 100% 10%, rgba(236, 72, 153, 0.14), transparent),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

input, select, button { font-family: inherit; }

:focus-visible { outline: 2px solid var(--purple-light); outline-offset: 2px; }

/* ---------- Shared bits ---------- */
.logo-glyph {
  width: 12px; height: 12px; border-radius: 4px;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  display: inline-block; margin-right: 10px; transform: rotate(45deg);
}
.thin { color: var(--text-muted); font-weight: 400; margin-left: 2px; }

.btn {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 20px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--purple), #7C3AED);
  color: #fff;
  box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
}
.btn-block { width: 100%; }

.btn-ghost-danger {
  background: transparent;
  border: 1px solid rgba(244, 63, 94, 0.4);
  color: var(--red);
  margin-left: 10px;
}

.link-btn {
  background: none; border: none; color: var(--purple-light);
  font-size: 13px; font-weight: 600; cursor: pointer;
}

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

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
}

.auth-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  text-align: center;
  margin-bottom: 28px;
}

.auth-tabs {
  display: flex;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 13.5px;
  padding: 9px;
  border-radius: 8px;
  cursor: pointer;
}
.auth-tab.active { background: var(--purple); color: #fff; }

.auth-form { display: flex; flex-direction: column; gap: 12px; }

.auth-form input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 14px;
}
.auth-form input:focus { border-color: var(--border-strong); }
.auth-form input::placeholder { color: var(--text-faint); }

.auth-form .btn { margin-top: 6px; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0 16px;
  color: var(--text-faint);
  font-size: 12.5px;
}
.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.google-btn-wrap {
  display: flex;
  justify-content: center;
}

.auth-error {
  color: var(--red);
  font-size: 13px;
  text-align: center;
  margin-top: 14px;
}

/* ---------- App shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.02);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
}

.sidebar-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  padding: 0 8px;
  margin-bottom: 32px;
}

.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  padding: 11px 14px;
  border-radius: 10px;
  cursor: pointer;
}
.nav-item:hover { background: var(--surface-hover); color: var(--text); }
.nav-item.active {
  background: linear-gradient(135deg, rgba(139,92,246,0.25), rgba(236,72,153,0.15));
  color: #fff;
  border: 1px solid var(--border-strong);
}

.nav-item i { width: 16px; height: 16px; display: inline-block; }
.icon-grid::before { content: '▦'; }
.icon-list::before { content: '☰'; }
.icon-sliders::before { content: '⚙'; }
.icon-key::before { content: '🔑'; }

.auth-logo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.auth-logo-row .auth-logo { margin-bottom: 0; }

.lang-switcher { position: relative; }
.lang-switcher.sidebar-lang { margin-bottom: 12px; }

.lang-toggle {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 12.5px;
  padding: 7px 11px;
  border-radius: 8px;
  cursor: pointer;
}
.lang-toggle:hover { border-color: var(--border-strong); }

.lang-menu {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  min-width: 140px;
  z-index: 30;
}
.lang-menu.open { display: block; }
.lang-menu button {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  padding: 10px 14px;
  cursor: pointer;
}
.lang-menu button:hover { background: rgba(139,92,246,0.12); color: var(--purple-light); }

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

.account-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: 10px; margin-bottom: 8px;
}

.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple), var(--pink));
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; color: #fff;
}

.account-name { font-size: 13.5px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.logout-btn {
  width: 100%; background: none; border: 1px solid var(--border);
  color: var(--text-muted); padding: 9px; border-radius: 8px;
  font-size: 13px; cursor: pointer;
}
.logout-btn:hover { color: var(--red); border-color: rgba(244,63,94,0.4); }

/* ---------- Main ---------- */
.main { flex: 1; padding: 28px 36px 60px; max-width: 1280px; }

.topbar {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 28px; flex-wrap: wrap; gap: 16px;
}

.topbar h1 { font-family: var(--font-display); font-size: 24px; margin: 0; }
.page-sub { color: var(--text-muted); font-size: 13.5px; margin: 4px 0 0; }

.topbar-right { display: flex; align-items: center; gap: 14px; }

.status-pill {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  padding: 8px 14px; border-radius: 999px; font-size: 13px; color: var(--text-muted);
}
.status-pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); }
.status-pill.running .dot { background: var(--green); box-shadow: 0 0 8px var(--green); }
.status-pill.running { color: var(--green); }

/* ---------- Stat cards ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.stat-icon {
  width: 42px; height: 42px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.icon-purple { background: rgba(139,92,246,0.18); color: var(--purple-light); }
.icon-green { background: rgba(34,197,94,0.18); color: var(--green); }
.icon-blue { background: rgba(56,189,248,0.18); color: var(--blue); }
.icon-pink { background: rgba(236,72,153,0.18); color: var(--pink); }

.stat-label { color: var(--text-muted); font-size: 12.5px; margin: 0 0 4px; }
.stat-value { font-family: var(--font-mono); font-size: 20px; font-weight: 600; margin: 0; }

/* ---------- Panels ---------- */
.grid-2col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
  margin-bottom: 24px;
}

.panel {
  background: var(--surface);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px;
}

.panel-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.panel-head h2 { font-family: var(--font-display); font-size: 15.5px; font-weight: 600; margin: 0; }
.panel-hint { color: var(--text-faint); font-size: 12px; }

/* Trade list (dashboard mini) */
.trade-list { display: flex; flex-direction: column; gap: 10px; max-height: 260px; overflow-y: auto; }

.trade-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 12px; border-radius: 10px; background: rgba(255,255,255,0.03);
}

.trade-row .symbol { font-weight: 600; font-size: 13.5px; }
.trade-row .side {
  font-size: 11px; padding: 2px 8px; border-radius: 999px; margin-left: 8px;
}
.side.up { background: rgba(34,197,94,0.16); color: var(--green); }
.side.down { background: rgba(244,63,94,0.16); color: var(--red); }

.trade-row .pnl { font-family: var(--font-mono); font-size: 13.5px; font-weight: 600; }
.pnl.up { color: var(--green); }
.pnl.down { color: var(--red); }

.trade-row .time { color: var(--text-faint); font-size: 11.5px; margin-left: 10px; }

.empty-hint { color: var(--text-faint); font-size: 13px; text-align: center; padding: 24px 0; }

/* Mini stat row */
.stat-grid-6 { grid-template-columns: repeat(6, 1fr); }

.mini-stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 16px; text-align: center;
}
.mini-label { color: var(--text-faint); font-size: 11px; margin: 0 0 6px; }
.mini-value { font-family: var(--font-mono); font-size: 16px; font-weight: 600; margin: 0; }
.mini-value.up { color: var(--green); }
.mini-value.down { color: var(--red); }

/* Trades table (full view) */
.trade-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.trade-table th {
  text-align: left; color: var(--text-faint); font-weight: 500; font-size: 11.5px;
  text-transform: uppercase; letter-spacing: 0.04em; padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.trade-table td { padding: 12px; border-bottom: 1px solid rgba(255,255,255,0.04); font-family: var(--font-mono); font-size: 13px; }

/* ---------- Forms (settings/keys) ---------- */
.panel-form { max-width: 560px; }
.panel-form form { display: flex; flex-direction: column; gap: 16px; }
.panel-form label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-muted); }

.panel-form input[type="text"],
.panel-form input[type="password"],
.panel-form input[type="number"],
.panel-form select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 13px;
  color: var(--text);
  font-size: 14px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.switch-row {
  flex-direction: row !important;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,255,255,0.03);
  padding: 12px 14px;
  border-radius: 10px;
}
.switch-row input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--purple); }

.form-msg { font-size: 13px; color: var(--purple-light); min-height: 18px; }

.warning-text { color: #F0A54A; font-size: 13px; background: rgba(240,165,74,0.1); padding: 10px 14px; border-radius: 10px; margin-bottom: 18px; }

.badge {
  display: inline-block; font-size: 12.5px; padding: 6px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--border); margin-bottom: 18px; color: var(--text-muted);
}
.badge.ok { background: rgba(34,197,94,0.12); border-color: rgba(34,197,94,0.3); color: var(--green); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-grid-6 { grid-template-columns: repeat(3, 1fr); }
  .grid-2col { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .app-shell { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 14px 16px; overflow-x: auto; }
  .sidebar-logo { margin: 0 16px 0 0; }
  .sidebar-nav { flex-direction: row; }
  .sidebar-footer { display: none; }
  .main { padding: 20px 16px 40px; }
  .stat-grid, .stat-grid-6 { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
}