:root {
  --theme-primary: #14b8a6;
  --theme-secondary: #0f766e;
  --theme-bg-dark: #0f172a;
  --theme-panel-bg: rgba(15, 23, 42, 0.7);
  --theme-panel-border: rgba(20, 184, 166, 0.3);
}

* { box-sizing: border-box; }

body {
  background-color: var(--theme-bg-dark);
  color: #f8fafc;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  margin: 0;
  min-height: 100vh;
}

.minecraft-bg-layer {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 15% 30%, var(--theme-secondary) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, var(--theme-primary) 0%, transparent 35%);
  opacity: 0.2;
  pointer-events: none;
}

.glass-panel {
  background-color: var(--theme-panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--theme-panel-border);
  border-radius: 0.75rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.glass-panel-hover {
  transition: all 0.25s ease;
  cursor: pointer;
}

.glass-panel-hover:hover {
  border-color: var(--theme-primary);
  box-shadow: 0 0 15px rgba(20,184,166,0.4);
  transform: translateY(-2px);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border-radius: 0.5rem;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s ease;
}

.nav-link:hover { color: #f8fafc; background: rgba(255,255,255,0.06); }

.nav-link.active {
  color: var(--theme-primary);
  background: rgba(20,184,166,0.15);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background-color: var(--theme-primary);
  color: #0f172a;
  border: none;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: rgba(255,255,255,0.08);
  color: #f8fafc;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 0.5rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-secondary:hover { background: rgba(255,255,255,0.12); }

.btn-danger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: rgba(239,68,68,0.15);
  color: #f87171;
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 0.5rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}

.btn-danger:hover { background: rgba(239,68,68,0.3); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  background: transparent;
  color: #94a3b8;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-ghost:hover { color: #f8fafc; border-color: rgba(255,255,255,0.25); }

.form-input {
  width: 100%;
  background: rgba(15,23,42,0.6);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  color: #f8fafc;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus { border-color: var(--theme-primary); }
.form-input option { background: #1e293b; }

.form-label {
  display: block;
  font-size: 0.8rem;
  color: #94a3b8;
  margin-bottom: 0.3rem;
  font-weight: 500;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
}

.badge-income { background: rgba(74,222,128,0.15); color: #4ade80; }
.badge-expense { background: rgba(248,113,113,0.15); color: #f87171; }
.badge-transfer { background: rgba(96,165,250,0.15); color: #60a5fa; }
.badge-borrow { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-repay { background: rgba(167,139,250,0.15); color: #a78bfa; }

.stat-card {
  padding: 1.25rem;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f8fafc;
}

.stat-label {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tab-btn {
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  border: none;
  cursor: pointer;
  color: #94a3b8;
  background: transparent;
  transition: all 0.2s;
}

.tab-btn.active {
  background: rgba(20,184,166,0.15);
  color: var(--theme-primary);
}

.tab-btn:hover:not(.active) { color: #f8fafc; }

.loading-spinner {
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid rgba(255,255,255,0.1);
  border-top-color: var(--theme-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.text-income { color: #4ade80; }
.text-expense { color: #f87171; }
.text-muted { color: #64748b; }
.text-primary { color: var(--theme-primary); }

/* Mobile nav */
#mobile-nav { display: none; }
#mobile-nav.open { display: block; }