:root {
  --bg:        #0d1117;
  --surface:   #161b22;
  --border:    #30363d;
  --text:      #e6edf3;
  --muted:     #8b949e;
  --green:     #3fb950;
  --red:       #f85149;
  --yellow:    #d29922;
  --blue:      #388bfd;
  --accent:    #1f6feb;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Nav ── */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
  color: var(--muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color .15s, background .15s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); background: var(--border); }
#nav-user  { color: var(--muted); font-size: 12px; }
#nav-admin { color: var(--yellow); font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
#btn-logout {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: border-color .15s, color .15s;
}
#btn-logout:hover { border-color: var(--red); color: var(--red); }

/* ── Main layout ── */
main { max-width: 960px; margin: 0 auto; padding: 32px 16px; }
h1 { font-size: 22px; font-weight: 600; margin-bottom: 20px; }
h2 { font-size: 16px; font-weight: 600; margin-bottom: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

/* ── Cards ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 24px;
}
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  padding: 10px 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
td {
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

.price      { font-variant-numeric: tabular-nums; font-family: monospace; font-size: 15px; }
.up         { color: var(--green); }
.down       { color: var(--red); }
.neutral    { color: var(--muted); }


/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all .15s;
  background: var(--surface);
  color: var(--text);
}
.btn:hover { background: var(--border); }
.btn-green { background: rgba(63,185,80,.15); border-color: var(--green); color: var(--green); }
.btn-green:hover { background: rgba(63,185,80,.25); }
.btn-red   { background: rgba(248,81,73,.15);  border-color: var(--red);   color: var(--red);   }
.btn-red:hover   { background: rgba(248,81,73,.25); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #388bfd; border-color: #388bfd; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── Modal ── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 360px;
  padding: 24px;
  box-shadow: 0 16px 48px rgba(0,0,0,.5);
}
.modal h3 { font-size: 16px; margin-bottom: 16px; }

/* ── Forms ── */
.form-group { margin-bottom: 14px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input, select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
input:focus, select:focus { border-color: var(--accent); }
.form-row { display: flex; gap: 8px; align-items: flex-end; }
.form-row .form-group { flex: 1; margin-bottom: 0; }

/* ── Login page ── */
.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 16px;
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px 32px;
  width: 100%;
  max-width: 380px;
}
.login-box h1 { font-size: 20px; margin-bottom: 4px; }
.login-box .subtitle { color: var(--muted); margin-bottom: 24px; font-size: 13px; }
.login-box .btn { width: 100%; justify-content: center; padding: 10px; margin-top: 4px; }
.toggle-link { text-align: center; margin-top: 16px; color: var(--muted); font-size: 13px; }
.toggle-link a { color: var(--blue); text-decoration: none; cursor: pointer; }
.error-msg { color: var(--red); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* ── Balance strip ── */
.balance-strip {
  display: flex;
  gap: 24px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 24px;
}
.balance-strip .stat { display: flex; flex-direction: column; }
.balance-strip .stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); }
.balance-strip .stat-value { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ── Ticker animation ── */
@keyframes flash-green { 0%,100%{background:transparent} 50%{background:rgba(63,185,80,.15)} }
@keyframes flash-red   { 0%,100%{background:transparent} 50%{background:rgba(248,81,73,.15)} }
.flash-green { animation: flash-green .6s ease; }
.flash-red   { animation: flash-red   .6s ease; }

/* ── Admin panel ── */
.admin-section {
  background: rgba(210,153,34,.05);
  border: 1px solid rgba(210,153,34,.25);
  border-radius: 10px;
  padding: 16px 20px;
  margin-bottom: 24px;
}
.admin-section h2 { color: var(--yellow); }

/* ── Misc ── */
.text-muted { color: var(--muted); }
.text-right { text-align: right; }
.mt-8 { margin-top: 8px; }
.mb-0 { margin-bottom: 0; }
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  z-index: 999;
  transform: translateY(80px);
  opacity: 0;
  transition: transform .3s, opacity .3s;
}
#toast.show { transform: translateY(0); opacity: 1; }
#toast.success { border-color: var(--green); color: var(--green); }
#toast.error   { border-color: var(--red);   color: var(--red);   }

/* ── Game week bar ── */
.game-week-bar {
  display: none;
  flex-direction: column;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 20px;
  margin-bottom: 20px;
}
.gw-info { display: flex; align-items: baseline; gap: 12px; }
.gw-day  { font-weight: 700; font-size: 15px; }
.gw-label { font-size: 12px; color: var(--muted); }
.gw-track {
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.gw-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--green));
  border-radius: 3px;
  transition: width .6s ease;
}
.gw-fill.gw-over { background: var(--muted); }

/* ── Market events feed ── */
#events-feed { margin-bottom: 24px; }
.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 8px;
}
.event-card.ev-live { border-left-color: var(--yellow); }
.event-card.ev-done { border-left-color: var(--muted); opacity: .7; }
.ev-header { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.ev-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 2px 7px;
  border-radius: 10px;
  flex-shrink: 0;
}
.ev-badge.ev-live { background: rgba(210,153,34,.2); color: var(--yellow); }
.ev-badge.ev-done { background: rgba(139,148,158,.15); color: var(--muted); }
.ev-type-badge { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; padding: 2px 7px; border-radius: 10px; flex-shrink: 0; }
.ev-jump  { background: rgba(248,81,73,.15);  color: var(--red); }
.ev-trend { background: rgba(56,139,253,.15); color: var(--blue); }
.ev-symbol { font-weight: 700; font-size: 14px; }
.ev-title  { font-size: 14px; }
.ev-target { font-weight: 600; font-size: 14px; white-space: nowrap; }
.ev-desc   { font-size: 13px; color: var(--muted); margin: 6px 0 4px; }
.ev-time   { font-size: 11px; color: var(--muted); }
.event-dot { color: var(--yellow); font-size: 10px; margin-left: 4px; animation: pulse 1.5s ease infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Admin event form ── */
.event-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  align-items: end;
}
.event-form .form-group { margin-bottom: 0; }
.event-form #ev-title   { grid-column: span 2; }
.btn-yellow {
  background: rgba(210,153,34,.15);
  border-color: var(--yellow);
  color: var(--yellow);
}
.btn-yellow:hover { background: rgba(210,153,34,.25); }
#ev-error { grid-column: span 2; }

/* ── Chart modal ── */
.chart-modal-inner {
  width: 680px;
  max-width: 95vw;
}
.tf-buttons { display: flex; gap: 6px; }
.tf-btn { font-size: 12px; padding: 4px 10px; }
.tf-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── Admin sub-sections ── */
.admin-sub {
  padding-top: 16px;
  margin-top: 16px;
  border-top: 1px solid rgba(210,153,34,.2);
}
.admin-sub:first-child { padding-top: 0; margin-top: 8px; border-top: none; }
.admin-sub-title { font-size: 13px; color: var(--yellow); font-weight: 600; margin-bottom: 10px; text-transform: uppercase; letter-spacing: .4px; }
.admin-row { display: flex; gap: 12px; align-items: flex-start; flex-wrap: wrap; }

/* ── Data file editor ── */
.data-editor {
  width: 100%;
  height: 320px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  padding: 10px 12px;
  resize: vertical;
  outline: none;
  transition: border-color .15s;
}
.data-editor:focus { border-color: var(--accent); }

/* ── Stock settings grid ── */
.stock-setting-row {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.stock-sym-input  { font-size: 13px; font-weight: 700; text-transform: uppercase; }
.stock-name-input { font-size: 13px; }

/* ── Transaction history ── */
.tx-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .4px;
  padding: 2px 7px;
  border-radius: 10px;
}
.tx-buy  { background: rgba(63,185,80,.15);  color: var(--green); }
.tx-sell { background: rgba(248,81,73,.15);  color: var(--red);   }

/* ── Scoreboard ── */
.sb-rank { font-size: 18px; text-align: center; }
.sb-me td { background: rgba(56,139,253,.05) !important; }
.sb-you {
  font-size: 10px;
  background: rgba(56,139,253,.2);
  color: var(--blue);
  border-radius: 8px;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
  font-weight: 600;
}

/* ── Stock table action cell ── */
.td-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
  padding: 10px 20px;
}

/* ── Chart canvas wrapper ── */
.chart-canvas-wrap {
  position: relative;
  height: 280px;
}
.perf-chart-wrap {
  height: 220px;
  padding: 16px;
}

/* ── Nav hamburger (hidden on desktop) ── */
.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}

/* ── Mobile ── */
@media (max-width: 640px) {
  /* Nav */
  nav {
    flex-wrap: wrap;
    height: auto;
    padding: 0 16px;
    align-items: center;
    row-gap: 0;
  }
  .nav-brand { padding: 14px 0; }
  .nav-burger { display: block; margin-left: auto; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    padding: 8px 0 12px;
    gap: 2px;
    border-top: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 9px 4px; width: 100%; }
  #nav-user, #nav-admin { padding: 4px 0; }
  #btn-logout { margin-top: 4px; width: 100%; justify-content: center; }

  /* Layout */
  main { padding: 16px 12px; }
  h1 { font-size: 18px; }

  /* Tables — horizontal scroll */
  .card { overflow-x: auto; }
  td, th { padding: 10px 12px; white-space: nowrap; }
  .td-actions { padding: 8px 12px; gap: 4px; }

  /* Balance strip — 2×2 grid */
  .balance-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .balance-strip .stat-value { font-size: 18px; }

  /* Chart modal */
  .chart-modal-inner { width: calc(100vw - 24px); }
  .chart-canvas-wrap { height: 200px; }
  .perf-chart-wrap   { height: 180px; }

  /* Modals */
  .modal { width: calc(100vw - 32px); padding: 18px; }

  /* Admin event form — single column */
  .event-form { grid-template-columns: 1fr; }
  .event-form .form-group,
  .event-form #ev-title,
  .event-form #ev-duration-group,
  .event-form #ev-target-group,
  .event-form #ev-error { grid-column: span 1 !important; }

  /* Admin row — stack vertically */
  .admin-row { flex-direction: column; align-items: stretch; }
  .admin-row > * { width: 100%; }
  .admin-row > div { flex-wrap: wrap; }

  /* Portfolio buy form — wrap */
  .form-row { flex-wrap: wrap; }
  .form-row .form-group { min-width: 120px; }

  /* Stock settings */
  .stock-setting-row { grid-template-columns: 64px 1fr auto; }

  /* Events feed */
  .ev-header { gap: 6px; }
  .ev-target { margin-left: 0 !important; }

  /* Game week bar */
  .game-week-bar { padding: 10px 14px; }
}