* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #f4f5f7; color: #1a1a1a; line-height: 1.5;
}
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: "SF Mono", Consolas, monospace; font-size: 0.85em;
       background: #eef0f3; padding: 1px 5px; border-radius: 3px; }

/* topbar */
.topbar {
    display: flex; align-items: center; gap: 24px;
    background: #1e293b; color: #fff; padding: 12px 24px;
}
.topbar .logo { color: #fff; font-weight: 700; font-size: 18px; }
.topbar nav { display: flex; gap: 18px; }
.topbar nav a { color: #cbd5e1; }
.topbar nav a:hover { color: #fff; }
.topbar .user { margin-left: auto; color: #94a3b8; font-size: 14px; }
.topbar .user a { color: #f87171; margin-left: 8px; }

main { max-width: 960px; margin: 28px auto; padding: 0 24px; }
h1 { font-size: 24px; margin-bottom: 16px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
.muted { color: #64748b; }
.crumb { font-size: 14px; margin-bottom: 8px; color: #64748b; }
hr { border: none; border-top: 1px solid #e2e8f0; margin: 28px 0; }

/* alerts */
.alert { padding: 10px 14px; border-radius: 6px; margin-bottom: 14px;
         font-size: 14px; }
.alert.err { background: #fee2e2; color: #991b1b; }
.alert.ok  { background: #dcfce7; color: #166534; }

/* forms */
form label { display: block; margin-bottom: 14px; font-weight: 600;
             font-size: 14px; }
form label small { font-weight: 400; display: block; margin-top: 4px; }
input[type=text], input[type=email], input[type=password], input[type=file] {
    width: 100%; padding: 9px 11px; border: 1px solid #cbd5e1;
    border-radius: 6px; font-size: 14px; margin-top: 5px; font-weight: 400;
}
button {
    background: #2563eb; color: #fff; border: 0; padding: 10px 18px;
    border-radius: 6px; font-size: 14px; cursor: pointer; font-weight: 600;
}
button:hover { background: #1d4ed8; }
.btn-sec { background: #e2e8f0; color: #1e293b; }
.btn-sec:hover { background: #cbd5e1; }
.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn { display: inline-block; background: #2563eb; color: #fff;
       padding: 10px 18px; border-radius: 6px; font-weight: 600; }

.card {
    background: #fff; padding: 20px; border-radius: 8px;
    border: 1px solid #e2e8f0; margin-bottom: 20px;
}
.card.meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.card.meta > div { font-size: 14px; }
.card.meta .muted { display: inline-block; width: 110px; }

.inline-form { display: flex; gap: 10px; margin-top: 14px; }
.inline-form input { width: auto; margin-top: 0; }

/* table */
.grid { width: 100%; border-collapse: collapse; background: #fff;
        border-radius: 8px; overflow: hidden; border: 1px solid #e2e8f0; }
.grid th, .grid td { padding: 10px 14px; text-align: left;
                     border-bottom: 1px solid #eef0f3; font-size: 14px; }
.grid th { background: #f8fafc; font-size: 12px; text-transform: uppercase;
           color: #64748b; letter-spacing: 0.04em; }
.grid tr:last-child td { border-bottom: 0; }
.grid tr:hover td { background: #f8fafc; }

/* login */
.login-box {
    max-width: 360px; margin: 80px auto; background: #fff;
    padding: 32px; border-radius: 10px; border: 1px solid #e2e8f0;
}
.login-box h1 { font-size: 22px; margin-bottom: 4px; }
.login-box p { margin-bottom: 20px; }

.empty { text-align: center; padding: 50px; color: #64748b; }
.empty p { margin-bottom: 16px; }

/* photo grid */
.photo-grid { display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px; }
.photo-card { background: #fff; border: 1px solid #e2e8f0;
    border-radius: 8px; overflow: hidden; }
.photo-card img { width: 100%; height: 160px; object-fit: cover;
    display: block; background: #eef0f3; }
.photo-meta { display: flex; justify-content: space-between;
    padding: 6px 8px; font-size: 12px; align-items: center; }
.photo-card form { padding: 0 8px 8px; }
.photo-card .btn-danger { width: 100%; }

#resolve-result { margin: 10px 0; }