:root {
  --bg: #0f1115;
  --panel: #161922;
  --panel-alt: #1c202b;
  --border: #2a2f3d;
  --text: #e6e8ee;
  --text-dim: #8b93a7;
  --accent: #5b8cff;
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- Login ---------- */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3.5rem 4rem;
  width: min(680px, 94vw);
  text-align: center;
}

.login-logo {
  width: min(170px, 46%);
  height: auto;
  display: block;
  margin: 0 auto 1.75rem;
  border-radius: 8px;
}

.login-card h1 {
  font-size: 1.4rem;
  line-height: 1.35;
  margin: 0 0 2.25rem;
}

.subtitle {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0 0 1.75rem;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  text-align: left;
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.login-card input {
  width: 100%;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 0.9rem;
  color: var(--text);
  font-size: 0.95rem;
}

.login-card input:focus {
  outline: none;
  border-color: var(--accent);
}

.login-card button {
  width: 100%;
  margin-top: 1rem;
  background: var(--accent);
  border: none;
  border-radius: 6px;
  padding: 0.9rem;
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.login-card button:hover { filter: brightness(1.1); }

.error {
  color: var(--red);
  font-size: 0.85rem;
  margin: 0;
}

/* ---------- Dashboard ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.topbar-logo {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.topbar h1 {
  font-size: 1.15rem;
  margin: 0;
  white-space: nowrap;
}

.topbar .meta {
  color: var(--text-dim);
  font-size: 0.8rem;
  white-space: nowrap;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  cursor: pointer;
}

.logout-btn:hover { color: var(--text); border-color: var(--text-dim); }

.nav-link {
  color: var(--text-dim);
  font-size: 0.8rem;
  text-decoration: none;
  white-space: nowrap;
}

.nav-link:hover { color: var(--accent); }

main {
  padding: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.view-bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 1rem;
}

.view-bar h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dim);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.view-toggle a {
  color: var(--accent);
  font-size: 0.8rem;
  text-decoration: none;
}

.view-toggle a:hover { text-decoration: underline; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

@media (max-width: 720px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .login-card {
    padding: 2.25rem 1.75rem;
  }

  .topbar {
    padding: 0.75rem 1rem;
  }

  .topbar-brand {
    gap: 0.6rem;
  }

  .topbar-logo {
    width: 38px;
    height: 38px;
  }

  .topbar h1 {
    font-size: 0.9rem;
    white-space: normal;
    line-height: 1.25;
  }

  .topbar .meta {
    font-size: 0.68rem;
    white-space: normal;
  }

  .logout-btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.72rem;
  }
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem 1.25rem;
  transition: border-color 0.2s ease;
}

.card.card-profit { border-color: var(--green); }
.card.card-loss { border-color: var(--amber); }

.card.inactive { opacity: 0.55; }

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.rank {
  flex-shrink: 0;
  width: 1.8rem;
  height: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-dim);
}

.rank-live {
  background: rgba(91,140,255,0.15);
  border-color: var(--accent);
  color: var(--accent);
  font-size: 1.1rem;
}

.card-head > div:nth-child(2) { flex: 1; min-width: 0; }

.backtest {
  background: var(--panel-alt);
  border-radius: 6px;
  padding: 0.5rem 0.7rem;
  margin-bottom: 0.6rem;
}

.pnl-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 0.3rem;
}

.live-section { margin-top: 0.2rem; }

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
}

.card-sub {
  color: var(--text-dim);
  font-size: 0.78rem;
  margin-top: 0.15rem;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-up { background: rgba(52,211,153,0.15); color: var(--green); }
.badge-down { background: rgba(248,113,113,0.15); color: var(--red); }
.badge-sideways { background: rgba(251,191,36,0.15); color: var(--amber); }
.badge-open { background: rgba(91,140,255,0.15); color: var(--accent); }
.badge-flat { background: rgba(139,147,167,0.15); color: var(--text-dim); }

.badge-risk-low { background: rgba(52,211,153,0.15); color: var(--green); cursor: help; }
.badge-risk-medium { background: rgba(251,191,36,0.15); color: var(--amber); cursor: help; }
.badge-risk-high { background: rgba(248,113,113,0.15); color: var(--red); cursor: help; }

.pnl {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0.4rem 0;
}

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

.card-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0.15rem 0;
}

.card-row span:last-child { color: var(--text); }

.legs {
  margin-top: 0.6rem;
}

.legs-toggle-row {
  margin-top: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
}

.legs-toggle {
  color: var(--accent);
  font-size: 0.78rem;
  text-decoration: none;
}

.legs-toggle:hover { text-decoration: underline; }

.lots-box {
  margin-top: 0.75rem;
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.lots-box label {
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.lots-select {
  background: var(--panel-alt);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  color: var(--text);
  font-size: 0.78rem;
}

.today-profit {
  font-size: 0.95rem;
  font-weight: 700;
}

.today-profit.pos { color: var(--green); }
.today-profit.neg { color: var(--red); }
.today-profit.zero { color: var(--text-dim); font-size: 0.78rem; font-weight: 400; }

.legs-table-wrap {
  overflow-x: auto;
}

.legs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
  white-space: nowrap;
}

.legs-table th {
  text-align: left;
  color: var(--text-dim);
  font-weight: 600;
  padding: 0.25rem 0.5rem 0.25rem 0;
  border-bottom: 1px solid var(--border);
}

.legs-table td {
  padding: 0.3rem 0.5rem 0.3rem 0;
  color: var(--text);
  border-bottom: 1px solid var(--panel-alt);
}

.legs-table tr:last-child td {
  border-bottom: none;
}

.legs-table td.leg-symbol {
  font-weight: 600;
}

.legs-table .leg-meta {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.68rem;
  margin-top: 0.1rem;
}

.legs-table .leg-ts {
  color: var(--text-dim);
  font-weight: 400;
  font-size: 0.66rem;
  margin-bottom: 0.1rem;
}

.legs-table td.pos { color: var(--green); font-weight: 700; }
.legs-table td.neg { color: var(--red); font-weight: 700; }
.legs-table td.zero { color: var(--text-dim); }

.leg-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 0.4rem;
  flex-shrink: 0;
}

.leg-dot-live { background: var(--green); }
.leg-dot-closed { background: var(--red); }

.legs-empty {
  font-size: 0.75rem;
  color: var(--text-dim);
  padding: 0.2rem 0;
}

.perf-card {
  margin-bottom: 1rem;
}

.perf-card .card-title {
  margin-bottom: 0.75rem;
}

.perf-subhead {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0.9rem 0 0.4rem;
}

.perf-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 720px) {
  .perf-grid {
    grid-template-columns: 1fr;
  }
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 3rem;
}