:root {
    color-scheme: light dark;
    --bg: #0f1115;
    --panel: #171a21;
    --text: #e6e8ec;
    --muted: #9aa1ac;
    --accent: #5b9dff;
    --error: #ff6b6b;
    --border: #262a33;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.topbar a { color: var(--accent); }

main {
    padding: 1.5rem;
    display: grid;
    gap: 1.5rem;
}

.panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem;
    overflow-x: auto;
}

.panel h2 {
    margin-top: 0;
    font-size: 1.1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th, td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.error { color: var(--error); }
.empty { color: var(--muted); }
.balance { font-weight: 600; margin-bottom: 0.75rem; }
.muted { color: var(--muted); font-weight: 400; }

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: min(320px, 90vw);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.login-card h1 {
    margin: 0 0 0.5rem;
    font-size: 1.3rem;
}

.login-card label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.9rem;
    color: var(--muted);
}

.login-card input {
    padding: 0.6rem 0.7rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: #0d0f13;
    color: var(--text);
    font-size: 1rem;
}

.login-card button {
    padding: 0.6rem;
    border-radius: 6px;
    border: none;
    background: var(--accent);
    color: #0b0d11;
    font-weight: 600;
    cursor: pointer;
    font-size: 1rem;
}