/*
  ============================================================================
  Dashboard styles — dark, mobile-first, high-contrast for emergency button.
  No build step. No frameworks.
  ============================================================================
*/

* { box-sizing: border-box; }

:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --card-2: #eef2f7;
  --fg: #172033;
  --muted: #667085;
  --border: #d6dde8;
  --accent: #2563eb;
  --ok: #0f9f6e;
  --warn: #c97908;
  --danger: #d92d20;
  --paper: #2563eb;
  --live: #d92d20;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

body.auth-mode #topbar {
  display: none;
}

body.auth-mode main {
  max-width: none;
  min-height: 100vh;
  padding: 0;
}

#topbar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  padding: .75rem 1rem;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

#brand {
  font-weight: 600;
  font-size: 1rem;
  margin-right: .5rem;
}

.pill {
  font-weight: 600;
  font-size: .75rem;
  padding: .25rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  letter-spacing: .03em;
}

.state-OFFLINE,
.state-PAUSED                  { background: #2a313a; color: var(--muted); }
.state-PAPER_TRADING           { background: rgba(79,140,255,.15); color: var(--paper); border-color: var(--paper); }
.state-LIVE_TRADING            { background: rgba(229,72,77,.15);  color: var(--live);  border-color: var(--live); }
.state-COOLDOWN                { background: rgba(240,160,32,.15); color: var(--warn);  border-color: var(--warn); }
.state-DAILY_TARGET_REACHED    { background: rgba(46,194,126,.15); color: var(--ok);    border-color: var(--ok); }
.state-DAILY_LOSS_LIMIT_REACHED,
.state-ERROR_LOCKED            { background: rgba(240,160,32,.15); color: var(--warn);  border-color: var(--warn); }
.state-EMERGENCY_STOPPED       { background: rgba(229,72,77,.25);  color: var(--live);  border-color: var(--live); animation: pulse 1s infinite; }

.mode-paper { background: rgba(79,140,255,.15); color: var(--paper); border-color: var(--paper); }
.mode-live  { background: rgba(229,72,77,.15);  color: var(--live);  border-color: var(--live); }

@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(229,72,77,.6); }
  50%     { box-shadow: 0 0 0 6px rgba(229,72,77,0); }
}

.heartbeat {
  margin-left: auto;
  color: var(--muted);
  font-size: .75rem;
}

.estop {
  background: var(--danger);
  color: white;
  border: none;
  font-weight: 700;
  padding: .5rem .85rem;
  border-radius: 6px;
  letter-spacing: .05em;
  cursor: pointer;
}
.estop:hover { filter: brightness(1.1); }
.estop:active { transform: scale(.98); }

main { padding: 1rem; max-width: 1100px; margin: 0 auto; }

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    linear-gradient(160deg, rgba(37,99,235,.12), transparent 42%),
    linear-gradient(20deg, rgba(15,159,110,.10), transparent 36%),
    var(--bg);
}

.auth-panel {
  width: min(100%, 520px);
  background: rgba(255,255,255,.98);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2.1rem;
  box-shadow: 0 22px 70px rgba(23,32,51,.14);
}

.auth-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: white;
  border-radius: 8px;
  font-weight: 800;
  font-size: 1.15rem;
  margin-bottom: 1.25rem;
}

.auth-copy h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.2;
}

.auth-copy p {
  margin: .45rem 0 1.5rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.auth-error {
  min-height: 1.25rem;
  color: var(--danger);
  font-size: 1rem;
  line-height: 1.35;
  margin: 1rem 0 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}
.card.wide { grid-column: 1 / -1; }
.card-title {
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
  margin-bottom: .75rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.kv {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: .25rem 0;
  border-bottom: 1px dashed var(--border);
}
.kv:last-child { border-bottom: none; }
.kv span { color: var(--muted); }
.kv b {
  font-weight: 600;
  max-width: 45%;
  overflow-wrap: anywhere;
  text-align: right;
}

pre {
  background: var(--card-2);
  padding: .5rem;
  border-radius: 6px;
  font-size: .75rem;
  overflow-x: auto;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

input[type="password"], input[type="text"], input[type="number"], select {
  width: 100%;
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: .5rem .65rem;
  border-radius: 6px;
  font-size: .9rem;
  font-family: inherit;
}

.auth-panel input[type="password"],
.auth-panel input[type="text"] {
  padding: .9rem 1rem;
  font-size: 1.12rem;
}

button {
  font-family: inherit;
  cursor: pointer;
}
button:disabled {
  cursor: wait;
  opacity: .65;
}

.field {
  display: grid;
  gap: .35rem;
  margin: .65rem 0;
}
.field span {
  color: var(--muted);
  font-size: .75rem;
}

.auth-panel .field {
  gap: .5rem;
  margin: .95rem 0;
}

.auth-panel .field span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
}

.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: .45rem .8rem;
  border-radius: 6px;
}
.ghost:hover { background: var(--card-2); }

.warn {
  background: var(--warn);
  color: black;
  border: none;
  padding: .45rem .8rem;
  border-radius: 6px;
  font-weight: 600;
}

.danger {
  background: var(--danger);
  color: white;
  border: none;
  padding: .45rem .8rem;
  border-radius: 6px;
  font-weight: 700;
}

#login-btn {
  background: var(--accent);
  color: white;
  border: none;
  width: 100%;
  padding: .95rem 1rem;
  border-radius: 6px;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 1.08rem;
}

.btnrow {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .5rem 0;
}
.btnrow.end { justify-content: flex-end; }

.hint {
  color: var(--muted);
  font-size: .75rem;
  margin-top: .5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}
th, td {
  text-align: left;
  padding: .35rem .5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 500; }
tbody tr:hover { background: var(--card-2); }

.sev-info     { color: var(--muted); }
.sev-warn     { color: var(--warn); }
.sev-error    { color: var(--danger); }
.sev-critical { color: var(--danger); font-weight: 700; }

.hidden { display: none !important; }

.modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 20;
}
.modal-card {
  background: var(--card);
  border: 1px solid var(--danger);
  border-radius: 10px;
  padding: 1.25rem;
  max-width: 420px;
  width: calc(100% - 2rem);
}
.modal-card h3 { margin-top: 0; color: var(--danger); letter-spacing: .05em; }

#net-status { margin-top: 1rem; text-align: center; }

@media (max-width: 600px) {
  #heartbeat { width: 100%; order: 99; text-align: center; margin-left: 0; }
}