:root {
  --bg: #070b14;
  --bg-elevated: #0e1524;
  --bg-soft: #131c2e;
  --bg-hover: #18233a;
  --border: #243149;
  --border-strong: #314463;
  --text: #eef3fb;
  --muted: #8b9bb5;
  --accent: #3d9cff;
  --accent-2: #2dd4bf;
  --accent-dim: rgba(61, 156, 255, 0.14);
  --danger: #ff6b7a;
  --danger-dim: rgba(255, 107, 122, 0.14);
  --success: #3dd68c;
  --success-dim: rgba(61, 214, 140, 0.14);
  --warning: #f5c15d;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 16px 48px rgba(0, 0, 0, 0.38);
  --font: "IBM Plex Sans Thai", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --topbar-h: 64px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background:
    radial-gradient(1000px 420px at 8% -8%, rgba(61, 156, 255, 0.12), transparent 55%),
    radial-gradient(800px 360px at 100% 0%, rgba(45, 212, 191, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--topbar-h);
  padding: 0.75rem 0;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(7, 11, 20, 0.86);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.brand strong {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.brand span {
  color: var(--muted);
  font-size: 0.8rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.nav a,
.nav button {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 999px;
  padding: 0.42rem 0.85rem;
  font: inherit;
  font-size: 0.88rem;
  cursor: pointer;
}

.nav a.active,
.nav a:hover,
.nav button:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  text-decoration: none;
}

.nav .user-chip {
  color: var(--muted);
  font-size: 0.82rem;
  padding: 0 0.25rem;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}

.card {
  background: linear-gradient(180deg, var(--bg-elevated), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin: 0;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
}

.card .value {
  margin-top: 0.5rem;
  font-size: 1.45rem;
  font-family: var(--mono);
  font-weight: 600;
}

.card .value.pos {
  color: var(--success);
}

.card .value.neg {
  color: var(--danger);
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.05rem 1.15rem 1.2rem;
  margin-bottom: 1.1rem;
  box-shadow: var(--shadow);
}

.panel h2 {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  font-weight: 600;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.panel-head h2 {
  margin: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.form-grid.dense {
  grid-template-columns: repeat(3, 1fr);
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.8rem;
  color: var(--muted);
}

input,
select,
textarea,
button.primary,
button.secondary,
button.danger,
button.ghost {
  font: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 0.7rem 0.8rem;
}

textarea {
  resize: vertical;
  min-height: 96px;
  font-family: var(--mono);
  line-height: 1.5;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(61, 156, 255, 0.28);
  border-color: var(--accent);
}

button.primary {
  background: linear-gradient(180deg, #4aa6ff, var(--accent));
  color: #04101f;
  border-color: transparent;
  font-weight: 700;
  cursor: pointer;
}

button.secondary {
  cursor: pointer;
  background: var(--bg-soft);
}

button.danger {
  background: var(--danger-dim);
  border-color: rgba(255, 107, 122, 0.4);
  color: var(--danger);
  cursor: pointer;
}

button.ghost {
  background: transparent;
  cursor: pointer;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: end;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover,
tbody tr:hover {
  background: rgba(255, 255, 255, 0.025);
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.74rem;
  border: 1px solid var(--border);
}

.badge.open {
  background: var(--accent-dim);
  color: #8ec5ff;
}

.badge.closed {
  background: rgba(245, 193, 93, 0.12);
  color: var(--warning);
}

.badge.settled {
  background: var(--success-dim);
  color: var(--success);
}

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

.error-box,
.success-box,
.toast {
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

.error-box {
  background: var(--danger-dim);
  border: 1px solid rgba(255, 107, 122, 0.35);
  color: var(--danger);
}

.success-box {
  background: var(--success-dim);
  border: 1px solid rgba(61, 214, 140, 0.35);
  color: var(--success);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(420px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.45rem;
}

.login-card p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.chart-wrap {
  position: relative;
  height: 280px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.1rem;
}

.mono {
  font-family: var(--mono);
}

.empty {
  color: var(--muted);
  padding: 1rem 0;
  text-align: center;
}

/* —— Bet entry enterprise —— */
.workspace {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1.1rem;
  align-items: start;
}

.context-bar {
  display: grid;
  grid-template-columns: 1fr 1.2fr auto;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.segmented {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.segmented button {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.55rem 0.85rem;
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
}

.segmented button.active {
  color: var(--text);
  border-color: var(--accent);
  background: var(--accent-dim);
  font-weight: 600;
}

.hint {
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.65rem;
  min-height: 1.5rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.28rem 0.6rem;
  font-family: var(--mono);
  font-size: 0.84rem;
}

.chip.invalid {
  border-color: rgba(255, 107, 122, 0.5);
  color: var(--danger);
  background: var(--danger-dim);
}

.chip button {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  font-size: 0.9rem;
  line-height: 1;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin: 0.85rem 0;
}

.stat-pill {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
}

.stat-pill .k {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
}

.stat-pill .v {
  font-family: var(--mono);
  font-weight: 600;
  font-size: 1.05rem;
  margin-top: 0.15rem;
}

.cart-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 420px;
  overflow: auto;
}

.cart-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
}

.cart-item .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.7rem;
  font-size: 0.86rem;
}

.cart-item .meta strong {
  font-family: var(--mono);
}

.sticky-actions {
  position: sticky;
  bottom: 0.75rem;
  display: flex;
  gap: 0.55rem;
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  background: linear-gradient(180deg, transparent, var(--bg-elevated) 28%);
}

.sticky-actions button {
  flex: 1;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.toolbar input[type="search"] {
  min-width: min(220px, 100%);
  flex: 1;
}

.amount-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.45rem;
}

.amount-quick button {
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 8px;
  padding: 0.35rem 0.55rem;
  font: inherit;
  font-size: 0.8rem;
  cursor: pointer;
}

.kbd {
  display: inline-block;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.05rem 0.35rem;
  font-size: 0.72rem;
  color: var(--muted);
  background: var(--bg);
}

@media (max-width: 960px) {
  .workspace,
  .two-col,
  .context-bar {
    grid-template-columns: 1fr;
  }

  .grid-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid,
  .form-grid.dense {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .grid-cards,
  .stat-strip {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  table {
    display: block;
    overflow-x: auto;
  }

  .container {
    width: min(100% - 1.25rem, 1180px);
  }
}