:root[data-theme="dark"] {
  --bg: #0f1420;
  --panel: #161d2e;
  --panel-2: #1e263a;
  --border: #2a3348;
  --text: #e8ecf4;
  --text-dim: #8b96ab;
  --accent: #4f8cff;
  --green: #22c55e;
  --red: #ef4444;
  --amber: #f59e0b;
}
:root[data-theme="light"] {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --panel-2: #eef1f8;
  --border: #dde3ef;
  --text: #1a2230;
  --text-dim: #64708a;
  --accent: #2f6fed;
  --green: #16a34a;
  --red: #dc2626;
  --amber: #d97706;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 10;
}
.topbar h1 { font-size: 18px; margin: 0; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
#themeToggle {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 16px;
}
.logout-link { color: var(--text-dim); text-decoration: none; font-size: 14px; }
.logout-link:hover { color: var(--accent); }

.layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
  padding: 16px;
  max-width: 1200px;
  margin: 0 auto;
}
.accounts-panel { grid-row: span 2; }
.log-panel { grid-column: 2; }

@media (max-width: 780px) {
  .layout { grid-template-columns: 1fr; }
  .accounts-panel { grid-row: auto; }
  .log-panel { grid-column: 1; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}
.panel h2 { margin: 0 0 12px; font-size: 15px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .05em; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.panel-header h2 { margin: 0; }

.btn-small {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 13px;
  cursor: pointer;
}

.select-all-row { margin-bottom: 10px; font-size: 13px; color: var(--text-dim); }

.accounts-list { display: flex; flex-direction: column; gap: 8px; }
.account-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 14px;
}
.account-item .acc-meta { display: flex; flex-direction: column; }
.account-item .acc-broker { font-size: 12px; color: var(--text-dim); text-transform: capitalize; }
.badge-active { color: var(--green); font-size: 11px; }
.badge-inactive { color: var(--red); font-size: 11px; }

label { display: block; font-size: 13px; color: var(--text-dim); margin: 10px 0 4px; }
input[type=text], input[type=number], input[type=password], select {
  width: 100%;
  padding: 9px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.action-buttons { display: flex; gap: 10px; margin-top: 16px; }
.action-buttons button { flex: 1; }

button { font-family: inherit; }
.btn-buy, .btn-sell, .btn-sell-all, .btn-primary, .btn-secondary {
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn-buy { background: var(--green); color: #052; }
.btn-sell { background: var(--amber); color: #331; }
.btn-sell-all {
  width: 100%;
  background: var(--red);
  color: #fff;
  margin-top: 12px;
  padding: 14px;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }

.order-result { margin-top: 14px; font-size: 13px; }
.order-result .result-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); }
.status-SUCCESS { color: var(--green); font-weight: 600; }
.status-FAILED { color: var(--red); font-weight: 600; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 500; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal.hidden { display: none; }
.modal-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 22px; width: 90%; max-width: 420px; max-height: 85vh; overflow-y: auto; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions button { flex: 1; }

.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: 12px; padding: 28px; width: 90%; max-width: 340px; }
.login-card h1 { font-size: 18px; margin: 0 0 16px; }
.login-card button { width: 100%; margin-top: 16px; background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 12px; font-weight: 600; cursor: pointer; }
.error { color: var(--red); font-size: 13px; }