:root{
  --brand:#2e7d32; --brand-2:#8bc34a;
  --bg:#ffffff; --card:#f8faf8; --text:#111; --muted:#6b7c6b; --border:#e6eee6;
}
*{box-sizing:border-box} html,body{height:100%}
body{margin:0;font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
main{max-width:980px;margin:0 auto;padding:12px 16px 80px}
h1,h2,h3{margin:.2rem 0 .6rem}
.muted{color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;margin:10px 0}
.row{display:flex;gap:10px;align-items:center}
label{display:block;margin:.5rem 0}
input,select,textarea,button{font:inherit}
input,select,textarea{width:100%;padding:.65rem;border:1px solid #c9d6c9;border-radius:10px;background:#fff}
button{padding:.75rem 1rem;border-radius:12px;border:1px solid #c9d6c9;background:#fff;cursor:pointer}
button.primary{background:var(--brand);color:#fff;border-color:var(--brand)}
button.secondary{background:#eef7ee;border-color:#d0e8d0}
button.danger{background:#ffe8e8;border-color:#ffc8c8;color:#b00020}
.actions{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:.5rem}
nav.bottom{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #e2ece2;padding:8px 12px;display:flex;gap:8px;justify-content:space-between;z-index:50}
nav.bottom button{flex:1}
.view{display:none} .view.active{display:block}

/* Landing big buttons only */
.landing{display:grid;grid-template-columns:1fr;gap:16px;max-width:560px;margin:10px auto}
.bigbtn{padding:24px 20px;border-radius:16px;border:2px solid #dcedc8;background:#f1f8e9;font-weight:800;font-size:1.25rem;box-shadow:0 6px 16px rgba(46,125,50,.15)}
.bigbtn.expense{background:#ffebee;border-color:#ffcdd2}
.bigbtn.income{background:#e8f5e9;border-color:#c8e6c9}

/* Header */
header.app{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--brand);color:#fff}
header.app img{height:28px}

/* List */
.list{display:flex;flex-direction:column;gap:8px}
.item{display:flex;align-items:center;gap:10px}
.item .left{flex:1}
.amt{font-weight:700}
.right{display:flex;gap:6px;align-items:center}

/* Lock screen (visible by default) */
.lock-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);display:flex;align-items:center;justify-content:center;z-index:9999}
.lock-card{width:min(420px,92vw);background:#0e110e;border:1px solid #1b221b;border-radius:16px;padding:18px;box-shadow:0 20px 60px rgba(0,0,0,.35);color:#e6f0e6}
.lock-card h2{margin:.2rem 0 1rem}
.pin-inputs{display:flex;gap:.5rem;justify-content:center}
.pin-inputs input{width:52px;height:60px;text-align:center;font-size:1.6rem;border-radius:12px;border:1px solid #2b332b;background:#121512;color:#fff}
.lock-actions{display:flex;gap:.5rem;justify-content:center;margin-top:12px}
.lock-actions button{min-width:140px}
.lock-msg{color:#a0a0a0;text-align:center;margin-top:8px}

/* Dark mode */
body.dark{ background:#0c100c; color:#eaf5ea }
body.dark .card{ background:#141a14; border-color:#1f2a1f }
body.dark input,body.dark select,body.dark textarea{ background:#0f140f; color:#eaf5ea; border-color:#2a3a2a }
body.dark .muted{ color:#9fb79f }

/* Large text */
body.text-lg{ font-size:18px; line-height:1.45 }