@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg:          #0f1019;
  --bg-card:     #161825;
  --bg-hover:    #1e2236;
  --bg-input:    #111320;
  --border:      #252a3a;
  --border-light:#2f3548;
  --text:        #e2e4ec;
  --text-dim:    #6b7194;
  --text-muted:  #4a5072;
  --green:       #10b981;
  --red:         #ef4444;
  --yellow:      #f59e0b;
  --blue:        #3b82f6;
  --cyan:        #06b6d4;
  --magenta:     #a855f7;
  --orange:      #f97316;
  --container-max: 1680px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background:
    radial-gradient(1100px 480px at 50% -8%, rgba(6,182,212,0.05), transparent 60%),
    var(--bg);
  background-attachment: fixed;
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: #67e8f9; text-decoration: underline; }
.mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; }
.dim { color: var(--text-dim); }
.hidden { display: none !important; }

/* Login screen */
.login-screen {
  position: fixed; inset: 0; z-index: 500;
  background: radial-gradient(ellipse at 50% 0%, #161a28 0%, var(--bg) 65%);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.login-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  padding: 48px 40px; max-width: 380px; width: 100%; text-align: center;
  display: flex; flex-direction: column; gap: 18px;
}
.login-title {
  font-size: 20px; font-weight: 700; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--cyan), #67e8f9);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.login-subtitle { font-size: 13px; color: var(--text-dim); }
.login-input {
  width: 100%; font: inherit; font-size: 14px; padding: 12px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-input); color: var(--text);
  outline: none; transition: border-color 0.15s ease;
}
.login-input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(6,182,212,0.1); }
.login-btn {
  width: 100%; padding: 12px; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer;
  background: linear-gradient(135deg, var(--cyan), #0891b2); color: #000; border: none; border-radius: 8px;
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.login-btn:hover:not(:disabled) { opacity: 0.9; transform: translateY(-1px); }
.login-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.login-error {
  background: rgba(239,68,68,0.1); color: var(--red); font-size: 12.5px;
  border: 1px solid rgba(239,68,68,0.25); border-radius: 8px; padding: 9px 12px;
}

.nav-logout {
  background: none; border: 1px solid var(--border); border-radius: 6px; color: var(--text-muted);
  font-size: 12px; font-weight: 600; padding: 6px 14px; cursor: pointer;
}
.nav-logout:hover { color: var(--red); border-color: rgba(239,68,68,0.3); }

/* Nav shell */
.shell-nav {
  position: sticky; top: 0; z-index: 10;
  background: linear-gradient(180deg, var(--bg-card) 0%, rgba(22,24,37,0.96) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(0,0,0,0.2), 0 12px 24px -16px rgba(0,0,0,0.5);
}
.shell-nav-inner { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 28px; height: 58px; }
.logo {
  font-size: 16px; font-weight: 700; letter-spacing: -0.02em; white-space: nowrap;
  background: linear-gradient(135deg, var(--cyan), #67e8f9);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-tabs { display: flex; gap: 2px; height: 100%; margin-left: 8px; }
.nav-tab { display: inline-flex; align-items: center; height: 100%; padding: 0 14px; font-size: 13px; font-weight: 600; color: var(--text-dim); border-bottom: 2px solid transparent; letter-spacing: -0.01em; cursor: pointer; }
.nav-tab:hover { color: var(--text); }
.nav-tab.active { color: var(--cyan); border-bottom-color: var(--cyan); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.conn-pill { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; color: var(--text-dim); background: var(--bg-input); border: 1px solid var(--border); border-radius: 20px; padding: 5px 12px 5px 10px; }
.nav-op { font-size: 12px; color: var(--text-muted); }

.conn-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.conn-dot.connected { background: var(--green); box-shadow: 0 0 5px rgba(16,185,129,0.6); }
.conn-dot.disconnected { background: var(--red); box-shadow: 0 0 5px rgba(239,68,68,0.5); }

/* Page header */
.page-header { max-width: var(--container-max); margin: 0 auto; padding: 28px 24px 22px; }
.back-link {
  display: inline-flex; align-items: center; gap: 4px; font-size: 12px; font-weight: 600;
  color: var(--cyan); cursor: pointer; text-decoration: none; margin-bottom: 14px;
}
.back-link:hover { text-decoration: underline; }
.page-header-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.page-header-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.page-title { font-size: 26px; font-weight: 700; letter-spacing: -0.03em; color: var(--text); }
.page-subtitle { font-size: 13px; color: var(--text-dim); margin-top: 6px; }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.crumb { color: var(--text-muted); display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.crumb:hover { color: var(--text-dim); }
.crumb.current { color: var(--text-dim); font-weight: 600; cursor: default; }
.crumb.current:hover { color: var(--text-dim); }
.crumb-sep { color: var(--text-muted); opacity: 0.6; }
.record-count { margin-left: auto; font-size: 12px; color: var(--text-muted); white-space: nowrap; }

/* Content grid */
.content-grid { max-width: var(--container-max); margin: 0 auto; padding: 0 24px 40px; display: grid; grid-template-columns: 1fr 300px; gap: 16px; align-items: start; }
.content-grid-single { grid-template-columns: 1fr; }
.stack { display: flex; flex-direction: column; gap: 16px; }

.panel {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 16px 32px -20px rgba(0,0,0,0.5);
}
.panel-header { display: flex; align-items: center; justify-content: space-between; padding: 15px 20px; border-bottom: 1px solid var(--border); }
.panel-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); display: flex; align-items: center; gap: 7px; }
.panel-sub { font-size: 12px; color: var(--text-muted); }
.panel-body { padding: 6px 20px 14px; }

/* Fleet card grid — mirrors arbitrage-portal's .portal-grid / .card / PortalCard pattern */
.portal-grid {
  max-width: var(--container-max); margin: 0 auto; padding: 0 24px 40px;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px;
}
.empty-state { grid-column: 1 / -1; color: var(--text-muted); text-align: center; padding: 40px; }

.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2), 0 16px 32px -20px rgba(0,0,0,0.5);
  transition: border-color 0.15s ease; overflow: hidden; min-width: 0;
}
.card:hover { border-color: var(--border-light); }
.card-off { opacity: 0.7; border-color: rgba(239,68,68,0.25); }

.monitor-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 10px; }
.inst-name { font-weight: 600; color: var(--text); }
.inst-name-link { cursor: pointer; }
.inst-name-link:hover .inst-name { color: var(--cyan); text-decoration: underline; }
.inst-name-link.disabled { cursor: default; }
.inst-sub { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

.open-btn {
  font-size: 12px; font-weight: 600; color: var(--cyan); border: 1px solid rgba(6,182,212,0.3);
  background: rgba(6,182,212,0.08); border-radius: 6px; padding: 8px 16px; white-space: nowrap;
}
.open-btn:hover { background: rgba(6,182,212,0.15); text-decoration: none; }

.portal-open { font-size: 12px; font-weight: 600; color: var(--cyan); text-decoration: none; opacity: 0.85; }
.portal-open:hover { opacity: 1; text-decoration: underline; }

.status-bar-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.status-bar-item { display: flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; }
.status-bar-label { color: var(--text-muted); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; }
.status-bar-value { font-family: 'JetBrains Mono', monospace; color: var(--text); font-size: 12px; }
.status-bar-time { margin-left: auto; font-family: 'JetBrains Mono', monospace; color: var(--text-dim); font-size: 11px; }

.chip { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 5px; font-family: 'JetBrains Mono', monospace; font-size: 11px; background: var(--bg-input); border: 1px solid var(--border); color: var(--text-dim); }
.chip.none { color: var(--text-muted); border-style: dashed; }

.cat-chip { display: inline-flex; padding: 3px 9px; border-radius: 20px; font-size: 10px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.cat-arbitrage { color: var(--cyan); border: 1px solid rgba(6,182,212,0.3); background: rgba(6,182,212,0.08); }
.cat-wallet { color: var(--magenta); border: 1px solid rgba(168,85,247,0.3); background: rgba(168,85,247,0.08); }
.cat-monitor { color: var(--blue); border: 1px solid rgba(59,130,246,0.3); background: rgba(59,130,246,0.08); }

.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 10px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }
.badge-live { background: rgba(239,68,68,0.12); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.badge-dry { background: rgba(245,158,11,0.1); color: var(--yellow); border: 1px solid rgba(245,158,11,0.25); }
.badge-monitor { background: rgba(16,185,129,0.1); color: var(--green); border: 1px solid rgba(16,185,129,0.25); }
.badge-stopped { background: rgba(74,80,114,0.12); color: var(--text-muted); border: 1px solid var(--border-light); }

.card-section-label { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; }
.portal-opp { display: flex; justify-content: space-between; gap: 8px; padding: 4px 0; border-bottom: 1px solid rgba(37,42,58,0.5); font-size: 12px; }
.portal-opp:last-child { border-bottom: none; }
.card-footer { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); text-align: right; }

.detail-btn {
  font-size: 11px; font-weight: 600; color: var(--text-dim); background: var(--bg-input);
  border: 1px solid var(--border); border-radius: 6px; padding: 5px 12px; cursor: pointer; white-space: nowrap;
}
.detail-btn:hover { color: var(--cyan); border-color: rgba(6,182,212,0.3); }

/* Detail / record inspector */
.record-badges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

.wallet-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; padding: 8px 0; border-bottom: 1px solid rgba(37,42,58,0.5); font-size: 12px; }
.wallet-row:last-child { border-bottom: none; }
.wallet-addr { font-family: 'JetBrains Mono', monospace; color: var(--text-dim); }
.wallet-bal { font-family: 'JetBrains Mono', monospace; color: var(--text); font-weight: 600; }

.sched-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid rgba(37,42,58,0.5); font-size: 12px; }
.sched-row:last-child { border-bottom: none; }
.sched-name { font-weight: 600; color: var(--text); }
.sched-sub { font-size: 11px; color: var(--text-muted); margin-top: 1px; }
.sched-right { text-align: right; flex-shrink: 0; }
.sched-cost { font-family: 'JetBrains Mono', monospace; font-weight: 700; color: var(--text); }

.history-row { cursor: pointer; transition: background 0.12s ease; margin: 0 -20px; padding-left: 20px; padding-right: 20px; width: calc(100% + 40px); }
.history-row:hover { background: var(--bg-hover); }
.history-detail { padding: 12px 0 16px; border-bottom: 1px solid rgba(37,42,58,0.5); }

/* Grouped key/value breakdown cards — mirrors arbitrage-portal's own "trade detail
   breakdown" pattern (.detail-grid/.detail-card/.detail-title) for the exact same job:
   turning a flat list of a transaction's fields into scannable, titled groups. */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.detail-card { background: var(--bg-input); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.detail-card-title { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--cyan); margin-bottom: 8px; }
.detail-line { display: flex; justify-content: space-between; gap: 12px; padding: 2px 0; font-size: 11px; }
.detail-line .k { color: var(--text-muted); white-space: nowrap; }
.detail-line .v { font-family: 'JetBrains Mono', monospace; color: var(--text); text-align: right; word-break: break-all; }
.detail-error {
  margin-top: 10px; padding: 8px 12px; background: rgba(239,68,68,0.08);
  border: 1px solid rgba(239,68,68,0.25); border-radius: 8px; color: var(--red); font-size: 11.5px;
}

.error-banner {
  margin: 0 24px 16px; max-width: var(--container-max); margin-left: auto; margin-right: auto;
  background: rgba(239,68,68,0.08); border: 1px solid rgba(239,68,68,0.25); border-radius: 8px;
  padding: 10px 16px; color: var(--red); font-size: 12px;
}

/* ── Responsive ──────────────────────────────────────────────
   The whole layout is already fluid (max-width + margin:auto, flex-wrap on every
   multi-item row) — these overrides exist for two things a fluid layout alone doesn't
   fix: the card grid's 320px minimum (which can overflow a narrow phone), and a few
   rows that read better stacked than squeezed at phone width. */

@media (max-width: 860px) {
  .content-grid { grid-template-columns: 1fr !important; }
}

@media (max-width: 720px) {
  body { overflow-x: hidden; }

  .shell-nav-inner { padding: 0 14px; gap: 10px; height: 52px; }
  .logo { font-size: 14px; }
  .nav-op { display: none; }
  .nav-right { gap: 8px; }
  .conn-pill { padding: 4px 10px 4px 8px; font-size: 11px; }
  .nav-logout { padding: 5px 10px; font-size: 11px; }

  .page-header { padding: 18px 14px 16px; }
  .page-header-top { flex-wrap: wrap; row-gap: 6px; }
  .page-header-row { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-title { font-size: 21px; }
  .record-count { margin-left: 0; }

  .portal-grid { grid-template-columns: 1fr; padding: 0 14px 28px; gap: 12px; }
  .content-grid { padding: 0 14px 28px; gap: 12px; }
  .error-banner { margin-left: 14px; margin-right: 14px; }

  .card { padding: 16px; }
  .monitor-header { flex-wrap: wrap; row-gap: 8px; }
  .status-bar-row { row-gap: 6px; }

  .panel-header { padding: 13px 16px; }
  .panel-body { padding: 6px 16px 12px; }

  .wallet-row, .sched-row { flex-wrap: wrap; row-gap: 4px; }
  .sched-right { text-align: left; }

  .login-card { padding: 36px 24px; }
}