:root {
    --bg: #0f1115;
    --card: #1a1d24;
    --border: #2a2e38;
    --text: #e8eaed;
    --muted: #9aa0aa;
    --accent: #4f8cff;
    --error-bg: #3a1f23;
    --error-fg: #ff9aa2;
    --badge-bg: #243a2a;
    --badge-fg: #8fe0a6;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---- Centered auth pages (login / setup) ---- */
.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    width: 100%;
    max-width: 380px;
    margin: 3rem 1rem;
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.login-card h1 {
    margin: 0 0 0.5rem;
    font-size: 1.4rem;
}

.login-card label {
    display: block;
    margin: 0.9rem 0 0.35rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.login-card input[type="text"],
.login-card input[type="password"] {
    width: 100%;
    padding: 0.6rem 0.7rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
}

.login-card input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-card button {
    width: 100%;
    margin-top: 1.4rem;
    padding: 0.65rem;
    background: var(--accent);
    color: #fff;
    border: 0;
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
}

.login-card button:hover { filter: brightness(1.08); }

.alert {
    margin: 0.75rem 0 0;
    padding: 0.6rem 0.75rem;
    background: var(--error-bg);
    color: var(--error-fg);
    border-radius: 8px;
    font-size: 0.85rem;
}

.muted { color: var(--muted); font-size: 0.85rem; }
.logout-link { color: var(--accent); }
code {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 0.1rem 0.35rem;
    font-size: 0.85em;
}

/* ---- Authenticated chrome (topbar + dashboard) ---- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.topbar-brand { font-weight: 600; }

.topbar-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.topbar-user { color: var(--muted); font-size: 0.9rem; }

.topbar-badge {
    margin-left: 0.4rem;
    padding: 0.05rem 0.4rem;
    background: var(--badge-bg);
    color: var(--badge-fg);
    border-radius: 999px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.topbar-logout { color: var(--accent); text-decoration: none; }
.topbar-logout:hover { text-decoration: underline; }

.page {
    max-width: 720px;
    margin: 2.5rem auto;
    padding: 0 1.25rem;
}

.panel {
    padding: 1.75rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.panel h1 { margin-top: 0; font-size: 1.3rem; }

/* ---- Tires dashboard ---- */
.page-wide { max-width: 100%; margin: 1.5rem; }
.toolbar { display: flex; align-items: center; gap: 1rem; margin: 1rem 0; }
.filters { display: flex; gap: 0.5rem; }
.btn {
    display: inline-block; padding: 0.45rem 0.8rem; border-radius: 8px;
    border: 1px solid var(--border); background: var(--card);
    color: var(--text); text-decoration: none; font-size: 0.9rem;
    cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-on { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-sm { padding: 0.25rem 0.55rem; font-size: 0.8rem; }
.flash {
    margin: 0.5rem 0; padding: 0.55rem 0.8rem;
    background: var(--badge-bg); color: var(--badge-fg); border-radius: 8px;
}
.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; }
table.data { border-collapse: collapse; width: max-content; min-width: 100%; }
table.data th, table.data td {
    padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--border);
    white-space: nowrap; font-size: 0.82rem; text-align: left;
}
table.data th { background: var(--card); color: var(--muted); position: sticky; top: 0; }
.json-modal {
    max-width: 720px; width: 90%; border: 1px solid var(--border);
    border-radius: 10px; background: var(--card); color: var(--text);
}
.json-modal pre { white-space: pre-wrap; word-break: break-word; font-size: 0.8rem; }
.json-modal::backdrop { background: rgba(0, 0, 0, 0.6); }
.pager { display: flex; gap: 0.8rem; align-items: center; margin: 1rem 0; }

/* ---- Fill progress bar ---- */
.fill-progress {
    margin: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.fill-progress .bar {
    flex: 1;
    max-width: 360px;
    height: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 999px;
    overflow: hidden;
}
.fill-progress .bar-fill {
    height: 100%;
    width: 0;
    background: var(--accent);
    transition: width 0.25s ease;
}

td.col-missing { color: #b00; text-align: center; font-weight: 600; }