:root {
    --bg: #0f1117;
    --card-bg: #1a1d27;
    --border: #2d3343;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #4ade80;
    --danger: #f87171;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

.navbar {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    background: rgba(15, 17, 23, 0.8);
    backdrop-filter: blur(8px);
    position: sticky; top: 0; z-index: 100;
}

.nav-content {
    max-width: 1000px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
}

.logo { font-weight: 700; font-size: 1.1rem; }
.logo span { color: var(--accent); }

.content { max-width: 1000px; margin: 4rem auto; padding: 0 2rem; }
.page-header { margin-bottom: 3rem; }
.page-header h1 { font-size: 2.2rem; font-weight: 600; margin-bottom: 0.5rem; color: #fff; }
.page-header p { color: var(--text-muted); font-size: 1.1rem; }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 3rem; }
.module { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 2rem; }

.field { margin-bottom: 1.5rem; }
label { display: block; font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; font-weight: 700; margin-bottom: 0.5rem; }
input, select {
    width: 100%; background: var(--bg); border: 1px solid var(--border);
    color: var(--text); padding: 0.8rem; border-radius: 8px; outline: none;
}

.action-btn {
    width: 100%; background: var(--accent); color: #064e3b;
    border: none; padding: 1rem; font-weight: 700; border-radius: 8px; cursor: pointer;
}

.stat-row { display: flex; justify-content: space-between; padding: 1.2rem 0; border-bottom: 1px solid var(--border); }
.val { font-size: 1.4rem; font-weight: 600; color: #fff; }
.highlight { color: var(--accent); }
.alert { color: var(--danger); }

.ledger { margin-top: 2rem; border-top: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 1rem; color: var(--text-muted); font-size: 0.75rem; font-weight: 600; }
td { padding: 1rem; border-bottom: 1px solid var(--border); }

.del-btn { color: var(--danger); background: none; border: none; font-size: 0.75rem; cursor: pointer; font-weight: 600; }
.text-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; }

/* Toast */
.toast {
    position: fixed; bottom: 2rem; right: 2rem;
    background: #f8fafc; color: #0f172a; padding: 1.5rem;
    border-radius: 12px; max-width: 380px; box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    z-index: 1000; border-left: 5px solid var(--accent);
}
.hidden { display: none; }
.close-toast { float: right; cursor: pointer; font-size: 1.2rem; color: #94a3b8; }

@media (max-width: 768px) { .grid { grid-template-columns: 1fr; } }