:root {
  --bg: #0D1210;
  --panel: #141A17;
  --panel-2: #1B231F;
  --border: #263029;
  --text: #E7ECE7;
  --text-dim: #8CA096;
  --accent: #C7F464;
  --accent-dim: #7A8F52;
  --warn: #E3A458;
  --danger: #E3705F;
  --mono: 'IBM Plex Mono', monospace;
  --sans: 'IBM Plex Sans', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  height: 100%;
}

.hidden { display: none !important; }

.screen { min-height: 100vh; }

/* --- Login --- */
#login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  width: 340px;
  padding: 40px 32px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand-mark {
  color: var(--accent);
  font-size: 14px;
}

.brand-name {
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.02em;
}

.brand-sub {
  color: var(--text-dim);
  font-size: 13px;
  margin: 4px 0 28px;
}

#login-form { display: flex; flex-direction: column; gap: 16px; }

label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); }

input {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 10px 12px;
  color: var(--text);
  font-family: var(--sans);
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: var(--accent-dim);
}

button {
  cursor: pointer;
  border: none;
  border-radius: 3px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 14px;
  padding: 10px 16px;
}

#login-btn, #op-confirm, #search-btn {
  background: var(--accent);
  color: #0D1210;
}

#login-btn:hover, #op-confirm:hover, #search-btn:hover { background: #d5fb85; }

.ghost-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.ghost-btn:hover { color: var(--text); border-color: var(--text-dim); }

.error {
  color: var(--danger);
  font-size: 13px;
  min-height: 16px;
  margin: 0;
}

/* --- Topbar --- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.balance-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.2;
}

.balance-label {
  font-size: 11px;
  color: var(--text-dim);
}

.balance-value {
  font-family: var(--mono);
  font-size: 16px;
  color: var(--accent);
}

.agent-name {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
}

/* --- Content --- */
.content { padding: 28px; max-width: 900px; margin: 0 auto; }

.search-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-row input { flex: 1; }

.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.user-table th {
  text-align: left;
  font-size: 11px;
  color: var(--text-dim);
  font-weight: 500;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.user-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
}

.user-table .empty-row td {
  color: var(--text-dim);
  font-family: var(--sans);
  text-align: center;
  padding: 32px 12px;
}

.row-actions { display: flex; gap: 8px; font-family: var(--sans); }

.btn-credit { background: var(--accent-dim); color: #0D1210; }
.btn-credit:hover { background: var(--accent); }
.btn-debit { background: var(--panel-2); color: var(--warn); border: 1px solid var(--warn); }
.btn-debit:hover { background: rgba(227,164,88,0.12); }
.btn-credit, .btn-debit { padding: 6px 12px; font-size: 13px; }

/* --- Modal --- */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-box {
  width: 320px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 24px;
}

.modal-box h3 { margin: 0 0 4px; font-family: var(--mono); font-weight: 500; }

.modal-sub { color: var(--text-dim); font-size: 13px; margin: 0 0 18px; }

.modal-box label { margin-bottom: 20px; }

.modal-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 18px;
  border-radius: 4px;
  font-size: 13px;
  font-family: var(--mono);
}

.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.success { border-color: var(--accent-dim); color: var(--accent); }