:root {
    --bg: #f4f5f7;
    --card: #ffffff;
    --ink: #1f2933;
    --muted: #7b8794;
    --line: #e4e7eb;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --ok: #059669;
    --err: #dc2626;
    --wait: #d97706;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
}

/* --- Login --- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,.08);
    width: 100%;
    max-width: 360px;
}
.login-card h1 { margin: 0 0 1.5rem; font-size: 1.4rem; text-align: center; }
.login-card label { display: block; margin-bottom: 1rem; font-size: .9rem; color: var(--muted); }
.login-card input {
    width: 100%;
    padding: .6rem .75rem;
    margin-top: .3rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 1rem;
}
.login-card button, .vin-form button {
    width: 100%;
    padding: .7rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: background .15s;
}
.login-card button:hover, .vin-form button:hover { background: var(--accent-dark); }

/* --- Top bar --- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--card);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--line);
    flex-wrap: wrap;
    gap: .5rem;
}
.topbar h1 { margin: 0; font-size: 1.2rem; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.balance { font-size: .95rem; color: var(--muted); }
.balance strong { color: var(--ink); font-size: 1.05rem; }
.btn-logout {
    color: var(--muted);
    text-decoration: none;
    font-size: .9rem;
    border: 1px solid var(--line);
    padding: .4rem .8rem;
    border-radius: 8px;
}
.btn-logout:hover { color: var(--ink); border-color: var(--muted); }

/* --- Layout --- */
.container { max-width: 800px; margin: 1.5rem auto; padding: 0 1rem; }
.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card h2 { margin: 0 0 1rem; font-size: 1.05rem; }

/* --- Form VIN --- */
.vin-form { display: flex; gap: .75rem; flex-wrap: wrap; }
.vin-form input {
    flex: 1;
    min-width: 220px;
    padding: .7rem .9rem;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.vin-form button { width: auto; padding-left: 1.2rem; padding-right: 1.2rem; }
.hint { margin: .8rem 0 0; font-size: .82rem; color: var(--muted); }

/* --- Table --- */
.table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.table th, .table td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--line); }
.table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.mono { font-family: "SF Mono", Menlo, Consolas, monospace; }
.code { font-weight: 700; letter-spacing: 1px; }

/* --- Badges --- */
.badge { padding: .15rem .6rem; border-radius: 999px; font-size: .78rem; font-weight: 600; }
.badge-ok { background: #d1fae5; color: var(--ok); }
.badge-err { background: #fee2e2; color: var(--err); }
.badge-wait { background: #fef3c7; color: var(--wait); }

/* --- Alerts --- */
.alert { padding: .75rem 1rem; border-radius: 8px; font-size: .9rem; margin-bottom: 1.2rem; }
.alert-success { background: #d1fae5; color: var(--ok); }
.alert-error { background: #fee2e2; color: var(--err); }

.muted { color: var(--muted); }