:root {
    --bg: #0f172a;
    --card: #1e293b;
    --card-hover: #273449;
    --ink: #f1f5f9;
    --muted: #94a3b8;
    --up: #22c55e;
    --down: #ef4444;
    --checking: #64748b;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

main {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 16px 40px;
}

header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

#clock {
    color: var(--muted);
    font-size: 1.1rem;
    font-variant-numeric: tabular-nums;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 150px;
    padding: 20px;
    border-radius: 16px;
    background: var(--card);
    color: inherit;
    text-decoration: none;
    transition: background 0.15s, transform 0.15s;
}

.card:hover,
.card:focus-visible {
    background: var(--card-hover);
    transform: translateY(-2px);
    outline: none;
}

.card .icon {
    font-size: 2rem;
    line-height: 1;
}

.card .name {
    margin-top: 6px;
    font-size: 1.35rem;
    font-weight: 600;
}

.card .description {
    color: var(--muted);
    font-size: 0.95rem;
}

.card .status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    color: var(--muted);
    font-size: 0.85rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--checking);
}

.card.up .dot { background: var(--up); }
.card.down .dot { background: var(--down); }
.card.down { opacity: 0.75; }
.card.link .dot { background: var(--muted); }

.message {
    min-height: 1.2em;
    margin: 20px 0 0;
    color: var(--down);
    text-align: center;
}

footer {
    margin-top: 12px;
    color: var(--muted);
    font-size: 0.8rem;
    text-align: center;
}

footer a {
    color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
    .card { transition: none; }
}

/* Header on every page (nav.js): home | time | your name (opens the account page) + sign out. */
.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
    max-width: 960px;
    margin: 0 auto;
    padding: 12px 16px;
    border-bottom: 1px solid var(--card-hover);
}

.site-nav .nav-brand {
    color: var(--ink);
    font-weight: 700;
    font-size: 1.1rem;
    text-decoration: none;
}

.site-nav .nav-clock {
    margin-left: auto;
    color: var(--muted);
    font-size: 1.1rem;
    font-variant-numeric: tabular-nums;
}

.site-nav .nav-who {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-nav .nav-user {
    padding: 8px 12px;
    border-radius: 8px;
    color: var(--ink);
    text-decoration: none;
}

.site-nav .nav-user:hover,
.site-nav .nav-user:focus-visible {
    background: var(--card-hover);
    outline: none;
}

.site-nav .nav-user[aria-current="page"] {
    background: var(--card);
    box-shadow: inset 0 -2px 0 var(--up);
    font-weight: 600;
}

.site-nav .nav-signout {
    padding: 8px 14px;
    border: 1px solid var(--card-hover);
    border-radius: 8px;
    background: transparent;
    color: var(--ink);
    font: inherit;
    cursor: pointer;
}

.site-nav .nav-signout:hover,
.site-nav .nav-signout:focus-visible {
    background: var(--card-hover);
    outline: none;
}

@media (max-width: 520px) {
    .site-nav .nav-who { width: 100%; justify-content: space-between; }
}