:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #21253a;
  --border: #2e3250;
  --accent: #4f7cff;
  --accent-hover: #6b93ff;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #f59e0b;
  --text: #e2e8f0;
  --text-muted: #64748b;
  --radius: 10px;
  --sidebar: 230px;
}

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

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

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

/* Layout */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar);
  background: var(--bg2);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 18px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-logo .logo-icon {
  width: 32px; height: 32px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700; color: #fff;
}

.sidebar-logo .logo-text {
  font-size: 15px; font-weight: 700;
  letter-spacing: -0.3px;
}
.sidebar-logo .logo-text span { color: var(--accent); }

.sidebar-nav { padding: 12px 10px; flex: 1; }

.nav-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 10px 8px 6px;
  text-transform: uppercase;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border-radius: 7px;
  color: var(--text-muted);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  margin-bottom: 2px;
}
.nav-item:hover { background: var(--bg3); color: var(--text); }
.nav-item.active { background: rgba(79, 124, 255, 0.15); color: var(--accent); }
.nav-item svg { flex-shrink: 0; width: 16px; height: 16px; }

.sidebar-footer {
  padding: 14px 10px;
  border-top: 1px solid var(--border);
}

.main {
  margin-left: var(--sidebar);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 50;
}

.topbar-title { font-size: 16px; font-weight: 600; }

.topbar-right { display: flex; align-items: center; gap: 12px; }

.user-badge {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
}

.content { padding: 28px; flex: 1; }

/* Cards */
.card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.card-title { font-size: 15px; font-weight: 600; }
.card-subtitle { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* Stats row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-label { font-size: 12px; color: var(--text-muted); font-weight: 500; margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 700; letter-spacing: -0.5px; }
.stat-value.green { color: var(--green); }
.stat-value.blue { color: var(--accent); }
.stat-value.yellow { color: var(--yellow); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 7px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-muted);
}
.btn-ghost:hover { background: var(--bg3); color: var(--text); }
.btn-danger { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
td { padding: 12px 12px; border-bottom: 1px solid rgba(46,50,80,0.5); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(79,124,255,0.03); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-green { background: rgba(34,197,94,0.15); color: var(--green); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--red); }
.badge-yellow { background: rgba(245,158,11,0.15); color: var(--yellow); }
.badge-blue { background: rgba(79,124,255,0.15); color: var(--accent); }
.badge-gray { background: var(--bg3); color: var(--text-muted); }

/* Forms */
.form-group { margin-bottom: 16px; }
label { display: block; font-size: 12px; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-muted); }

/* Modal */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center;
  z-index: 200;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 440px;
  transform: translateY(10px);
  transition: transform 0.2s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-title { font-size: 16px; font-weight: 700; margin-bottom: 20px; }

/* Toast */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 18px;
  font-size: 13px;
  min-width: 220px;
  animation: slideIn 0.2s ease;
  display: flex; align-items: center; gap: 10px;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
@keyframes slideIn { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Amount colors */
.amount-credit { color: var(--green); font-weight: 600; }
.amount-debit { color: var(--red); font-weight: 600; }

/* Section grid */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* Monospace code */
.mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 12px; }

/* Divider */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-muted);
}
.empty-state svg { margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 14px; }

/* Login page */
.login-page {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
}
.login-box {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  width: 100%;
  max-width: 380px;
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo h1 { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; }
.login-logo h1 span { color: var(--accent); }
.login-logo p { font-size: 13px; color: var(--text-muted); margin-top: 6px; }

/* Toggle switch */
.switch { position: relative; display: inline-block; width: 36px; height: 20px; }
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
  position: absolute; cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--border);
  border-radius: 20px;
  transition: 0.2s;
}
.slider:before {
  position: absolute; content: "";
  height: 14px; width: 14px;
  left: 3px; bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: 0.2s;
}
input:checked + .slider { background: var(--accent); }
input:checked + .slider:before { transform: translateX(16px); }

/* Pulse dot */
.pulse { display: inline-block; width: 8px; height: 8px; border-radius: 50%; }
.pulse.green { background: var(--green); box-shadow: 0 0 0 2px rgba(34,197,94,0.25); }
.pulse.red { background: var(--red); }
.pulse.yellow { background: var(--yellow); }