:root {
  --bg: #f4f7f1;
  --panel: #ffffff;
  --ink: #0f1d11;
  --muted: #4d6454;
  --accent: #115e3b;
  --danger: #a61b1b;
  --border: #d8e2d5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 10%, #d9ebe0 0%, transparent 40%),
    radial-gradient(circle at 90% 0%, #d7efe9 0%, transparent 30%),
    var(--bg);
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(460px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 18px 40px rgba(15, 29, 17, 0.10);
}

.auth-grid {
  margin-top: 16px;
}

.app-shell {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px 36px;
  display: grid;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 20px rgba(15, 29, 17, 0.06);
}

h1, h2 {
  margin: 0 0 8px;
}

h3 {
  margin: 12px 0 8px;
}

.subtitle {
  margin: 0 0 14px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-size: 14px;
}

input, select, button {
  font: inherit;
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

button {
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 140ms ease, transform 140ms ease, opacity 140ms ease;
}

button:hover:not(:disabled) {
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
  transform: none;
}

button.ghost {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--border);
}

button.btn-success {
  background: #136f45;
}

button.btn-danger {
  background: #b42318;
}

button.btn-warning {
  background: #b86b08;
}

button.btn-info {
  background: #0b7285;
}

button.btn-secondary {
  background: #425f4c;
}

.status, .user {
  margin-top: 10px;
  font-size: 14px;
}

.subtle {
  color: var(--muted);
}

.session-alert {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(166, 27, 27, 0.2);
  background: rgba(166, 27, 27, 0.08);
  color: var(--danger);
  font-size: 14px;
  font-weight: 500;
}

.column-toggles {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}


.subpanel {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(17, 94, 59, 0.03), rgba(17, 94, 59, 0.01));
}

.runtime-panel {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(15, 29, 17, 0.03), rgba(17, 94, 59, 0.02));
}

.runtime-summary {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.runtime-badges {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.runtime-badge {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(15, 29, 17, 0.04);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.runtime-badge.ok {
  background: rgba(17, 94, 59, 0.10);
  border-color: rgba(17, 94, 59, 0.22);
  color: var(--accent);
}

.runtime-badge.warn {
  background: rgba(180, 111, 13, 0.10);
  border-color: rgba(180, 111, 13, 0.22);
  color: #8a5308;
}

.runtime-badge.danger {
  background: rgba(166, 27, 27, 0.10);
  border-color: rgba(166, 27, 27, 0.22);
  color: var(--danger);
}

.legacy-grid {
  margin-top: 10px;
}

.column-toggles label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.col-hidden {
  display: none;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 8px 6px;
}

td.profit { color: var(--accent); font-weight: 700; }
td.loss { color: var(--danger); font-weight: 700; }

.signal-entry {
  color: var(--accent);
  font-weight: 700;
}

.signal-exit {
  color: var(--danger);
  font-weight: 700;
}

.signal-entry-row {
  background: rgba(17, 94, 59, 0.08);
}

.signal-exit-row {
  background: rgba(166, 27, 27, 0.08);
}

.toast-stack {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 9999;
  display: grid;
  gap: 10px;
  width: min(360px, calc(100vw - 24px));
}

.toast {
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 14px 28px rgba(15, 29, 17, 0.14);
  padding: 12px 14px;
  display: grid;
  gap: 4px;
  animation: toast-in 180ms ease-out;
}

.toast-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.toast-body {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.4;
}

.toast.success {
  border-color: rgba(17, 94, 59, 0.25);
  background: rgba(238, 249, 243, 0.98);
}

.toast.success .toast-title {
  color: var(--accent);
}

.toast.error {
  border-color: rgba(166, 27, 27, 0.25);
  background: rgba(255, 242, 242, 0.98);
}

.toast.error .toast-title {
  color: var(--danger);
}

.toast.warning {
  border-color: rgba(180, 111, 13, 0.25);
  background: rgba(255, 248, 237, 0.98);
}

.toast.warning .toast-title {
  color: #8a5308;
}

.toast.info .toast-title {
  color: var(--ink);
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(-6px) translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0) translateX(0);
  }
}

@media (max-width: 768px) {
  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .toast-stack {
    right: 12px;
    left: 12px;
    width: auto;
  }
}