:root{
  --bg:#0f1720;
  --card:#111827;
  --muted:#9aa4b2;
  --accent:#22c55e;
  --danger:#ef4444;
  --glass: rgba(255,255,255,0.02);
  --pad:16px;
  --radius:8px;
  --text:#8903d2;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

#app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg,var(--bg), #07101a);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  flex: 1;
}


.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 20px;
  backdrop-filter: blur(6px);
  background: linear-gradient(90deg, rgba(255,255,255,0.01), transparent);
  border-bottom: 1px solid rgba(255,255,255,0.02);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.topbar h1{font-size:1.15rem;margin:0;font-weight:600}

/*Language buttons*/
#language-switcher {
  display: flex;
  gap: 4px;
}
.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.03);
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
}
.lang-btn.active {
  color: var(--text);
  border-color: rgba(255,255,255,0.06);
  background: var(--glass);
}

.nav{display:flex;gap:8px}
.nav-btn{
  background:transparent;border:1px solid rgba(255,255,255,0.03);padding:8px 12px;border-radius:6px;color:var(--muted);
  cursor:pointer;font-weight:600;
}
.nav-btn.active{color:var(--text);border-color:rgba(255,255,255,0.06);background:var(--glass)}

#downloadCsv {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text);
  cursor: pointer;
  transition: 0.2s;
}

#downloadCsv:hover {
  background: rgba(255,255,255,0.05);
}


.container{
  padding:20px;
  max-width:1000px;margin:20px auto;
  display:grid;grid-template-columns:1fr;gap:16px;
}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  padding:var(--pad);
  border-radius:var(--radius);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  border:1px solid rgba(255,255,255,0.02);
}

.view {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.view > .card {
  width: 100%;
  max-width: 800px;
}

.stats{display:flex;gap:12px;justify-content:space-between;flex-wrap:wrap}
.stat{flex:1;min-width:140px;padding:12px;background:transparent;border-radius:6px}
.label{color:var(--muted);font-size:0.85rem}
.value{font-size:1.4rem;font-weight:700;margin-top:6px}

.chart-card canvas{width:100%;height:auto;max-height:260px}

.quick-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.quick-controls input{padding:8px;border-radius:6px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--text)}
.primary{background:linear-gradient(90deg,var(--accent), #16a34a);border:none;color:#052014;padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:700}
.form-actions{display:flex;gap:8px;margin-top:12px}
label{display:block;margin-top:8px;color:var(--muted);font-size:0.9rem}
input[type="text"],input[type="number"],select,input[type="date"]{
  width:100%;padding:10px;border-radius:6px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:var(--text);margin-top:6px;
}

.hidden{display:none}

.history-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.history-item{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:6px;background:rgba(255,255,255,0.01);border:1px solid rgba(255,255,255,0.02)}
.h-left{display:flex;gap:12px;align-items:center}
.h-title{font-weight:600}
.h-meta{font-size:0.85rem;color:var(--muted)}
.h-actions{display:flex;gap:8px}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:6px 8px;border-radius:6px;color:var(--muted);cursor:pointer}
.btn-danger{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:6px 8px;border-radius:6px;color:var(--danger);cursor:pointer}

.filters{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:8px}

footer.footer{
  padding:12px;
  color:var(--muted);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
}

.currency-select {
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
}

.currency-select select {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 4px 6px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
}

@media(min-width:800px){
  .container{grid-template-columns: 1fr 420px}
  #view-add, #view-history{grid-column:1/-1}
  .chart-card{grid-column:1/-1}
}