/* ops.css — layout and component styling.
 *
 * 🔴 NOT ONE HEX CODE IN THIS FILE. Every colour is var(--token) from
 * tokens.css (ARCHITECTURE.md §8, D-079), and a test asserts it.
 */

*, *::before, *::after { box-sizing: border-box; }

body {
    margin: 0;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    background: var(--surface);
    color: var(--ink);
    -webkit-font-smoothing: antialiased;
}

/* ── header ─────────────────────────────────────────────────────────────── */

.app-header {
    display: flex; align-items: center; gap: 2rem;
    padding: 0 1.5rem; height: 56px;
    background: var(--header-bg, var(--brand-ink));
    color: var(--header-ink);
    border-bottom: 1px solid var(--border);
}

.app-brand { font-weight: 700; letter-spacing: -0.01em; }
.app-brand-mark { color: var(--brand-orange); }

.app-nav { display: flex; gap: 1.25rem; }

.app-nav-link {
    color: var(--header-ink-muted);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
}

.app-nav-link:hover { color: var(--header-ink); }

.app-nav-link.is-current {
    color: var(--header-ink);
    border-bottom-color: var(--brand-orange);
}

/* ── dashboard grid ─────────────────────────────────────────────────────── */

.app-main { padding: 1.5rem; }

.dashboard { display: grid; gap: 1rem; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 900px) {
    .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ── widgets ────────────────────────────────────────────────────────────── */

.widget {
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
}

/* A table is wide by nature; it spans the grid rather than being squeezed. */
.widget-table, .widget-stat-group { grid-column: 1 / -1; }

.widget-title {
    margin: 0 0 0.75rem;
    font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--ink-muted);
}

.widget-empty { color: var(--ink-muted); font-size: 0.875rem; margin: 0; }
.widget-error { border-color: var(--serious); }

.stat-value { margin: 0; font-size: 2rem; font-weight: 700; line-height: 1.1; }
.stat-caption { margin: 0.25rem 0 0; font-size: 0.8125rem; color: var(--ink-secondary); }

.stat-row { display: flex; gap: 2.5rem; flex-wrap: wrap; }

.tone-good { color: var(--good); }
.tone-warning { color: var(--warning); }
.tone-serious { color: var(--serious); }
.tone-critical { color: var(--critical); }

/* ── tables ─────────────────────────────────────────────────────────────── */

.table-scroll { overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }

.data-table th {
    text-align: left; padding: 0.5rem 0.75rem;
    color: var(--ink-muted); font-weight: 600;
    text-transform: uppercase; font-size: 0.6875rem; letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--surface-sunken);
    color: var(--ink-secondary);
    white-space: nowrap;
}

.data-table tr:hover td { background: var(--surface-sunken); }

/* ── sign in ────────────────────────────────────────────────────────────── */

.auth-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; background: var(--surface-sunken);
}

.auth-card {
    width: 100%; max-width: 360px;
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
}

.auth-brand { margin: 0 0 1.5rem; font-size: 1.125rem; font-weight: 700; }

.auth-label {
    display: block; margin: 0 0 0.375rem;
    font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--ink-muted);
}

.auth-input {
    width: 100%; margin-bottom: 1rem; padding: 0.625rem 0.75rem;
    background: var(--surface); color: var(--ink);
    border: 1px solid var(--border); border-radius: 8px;
    font-size: 0.9375rem;
}

.auth-input:focus { outline: 2px solid var(--brand-orange); outline-offset: 1px; }

.auth-remember {
    display: flex; align-items: center; gap: 0.5rem;
    margin-bottom: 1.25rem; font-size: 0.8125rem; color: var(--ink-secondary);
}

.auth-button {
    width: 100%; padding: 0.625rem;
    background: var(--brand-orange); color: var(--header-ink);
    border: 0; border-radius: 8px;
    font-size: 0.9375rem; font-weight: 600; cursor: pointer;
}

.auth-error {
    margin: 0 0 1rem; padding: 0.625rem 0.75rem;
    background: var(--surface-sunken); color: var(--critical);
    border: 1px solid var(--critical); border-radius: 8px;
    font-size: 0.8125rem;
}