:root {
    --bg: #f3f4f6;
    --surface: #ffffff;
    --border: #e2e4e8;
    --text: #26262a;
    --muted: #71717a;
    --accent: #3f3f46;       /* Code Monkey charcoal */
    --accent-dark: #27272a;
    --accent-soft: #f1f1f2;
    --ok: #15803d;
    --bad: #b91c1c;
    --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .08);
    --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
}

/* ---- Layout ---- */
.app { min-height: 100vh; }

.appbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0 1.5rem;
    height: 60px;
    background: linear-gradient(90deg, #2a2a2e, #3f3f46);
    color: #fff;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 10;
}

.brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: .5px;
}
.brand-mark { width: 34px; height: 34px; color: #fff; display: block; }
.brand-sub { font-size: .62rem; font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; color: rgba(255,255,255,.5); margin-top: 2px; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }

/* footer */
.appfoot {
    max-width: 1100px;
    margin: 2rem auto 1rem;
    padding: 1rem 1.5rem 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: .8rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: .5rem;
}
.appfoot a { color: var(--accent-dark); text-decoration: none; }
.appfoot a:hover { text-decoration: underline; }

a.download {
    display: inline-block; text-decoration: none; font-weight: 600;
    background: var(--accent); color: #fff; border-radius: 8px; padding: .45rem .9rem;
}
a.download:hover { background: var(--accent-dark); }

.appbar .signout { margin-left: auto; display: flex; align-items: center; gap: .6rem; }
.appbar .who { color: rgba(255,255,255,.85); font-size: .85rem; }
.appbar .signout button { background: rgba(255,255,255,.14); border-color: transparent; padding: .3rem .7rem; }
.appbar .signout button:hover { background: rgba(255,255,255,.24); }

.nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.nav a {
    color: rgba(255, 255, 255, .82);
    text-decoration: none;
    padding: .4rem .75rem;
    border-radius: 7px;
    font-weight: 500;
    transition: background .15s, color .15s;
}
.nav a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.nav a.active { background: rgba(255, 255, 255, .18); color: #fff; }

.content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* ---- Typography ---- */
h1 { font-size: 1.6rem; margin: .2rem 0 1rem; font-weight: 700; }
h1:focus { outline: none; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
h4 { font-size: .95rem; margin: 1rem 0 .4rem; color: var(--muted); }
code { background: var(--accent-soft); color: var(--accent-dark); padding: .1rem .35rem; border-radius: 5px; font-size: .85em; }
pre {
    background: #0f172a; color: #e2e8f0; padding: 1rem; border-radius: var(--radius);
    overflow: auto; font-size: .85rem; line-height: 1.45;
}

/* ---- Tables ---- */
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: .5rem 0 1rem;
}
thead th {
    text-align: left;
    background: #f8fafc;
    color: var(--muted);
    font-weight: 600;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .4px;
    padding: .6rem .75rem;
    border-bottom: 1px solid var(--border);
}
tbody td { padding: .55rem .75rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbff; }

/* ---- Forms ---- */
label { display: inline-flex; align-items: center; gap: .4rem; margin: .25rem .75rem .25rem 0; color: var(--text); }
input[type=text], input[type=number], input:not([type]), select, textarea {
    font: inherit;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: .4rem .55rem;
    min-width: 8rem;
    transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}
textarea { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; resize: vertical; }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }

/* ---- Buttons ---- */
button {
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    background: var(--accent);
    color: #fff;
    border: 1px solid transparent;
    border-radius: 8px;
    padding: .4rem .85rem;
    margin: .15rem .25rem .15rem 0;
    transition: background .15s, box-shadow .15s, transform .05s;
}
button:hover { background: var(--accent-dark); }
button:active { transform: translateY(1px); }
/* secondary buttons inside table rows / small actions */
td button, button.secondary {
    background: var(--surface);
    color: var(--accent-dark);
    border-color: var(--border);
}
td button:hover, button.secondary:hover { background: var(--accent-soft); }

/* ---- Cards / fieldsets ---- */
fieldset {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1rem 1.1rem;
    margin: 0 0 1rem;
}
legend { font-weight: 700; padding: 0 .4rem; }

ul { padding-left: 1.2rem; }
p { margin: .5rem 0; }

/* ---- Validation (kept from template) ---- */
.valid.modified:not([type=checkbox]) { outline: 1px solid #26b050; }
.invalid { outline: 1px solid #e50000; }
.validation-message { color: #e50000; }

/* ---- Blazor error UI ---- */
#blazor-error-ui {
    color-scheme: light only;
    background: #ffefef;
    border-top: 1px solid #f5c6c6;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iNTYiIGhlaWdodD0iNDkiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgeG1sbnM6eGxpbms9Imh0dHA6Ly93d3cudzMub3JnLzE5OTkveGxpbmsiIG92ZXJmbG93PSJoaWRkZW4iPjxkZWZzPjxjbGlwUGF0aCBpZD0iY2xpcDAiPjxyZWN0IHg9IjIzNSIgeT0iNTEiIHdpZHRoPSI1NiIgaGVpZ2h0PSI0OSIvPjwvY2xpcFBhdGg+PC9kZWZzPjxnIGNsaXAtcGF0aD0idXJsKCNjbGlwMCkiIHRyYW5zZm9ybT0idHJhbnNsYXRlKC0yMzUgLTUxKSI+PHBhdGggZD0iTTI2My41MDYgNTFDMjY0LjcxNyA1MSAyNjUuODEzIDUxLjQ4MzcgMjY2LjYwNiA1Mi4yNjU4TDI2Ny4wNTIgNTIuNzk4NyAyNjcuNTM5IDUzLjYyODMgMjkwLjE4NSA5Mi4xODMxIDI5MC41NDUgOTIuNzk1IDI5MC42NTYgOTIuOTk2QzI5MC44NzcgOTMuNTEzIDI5MSA5NC4wODE1IDI5MSA5NC42NzgyIDI5MSA5Ny4wNjUxIDI4OS4wMzggOTkgMjg2LjYxNyA5OUwyNDAuMzgzIDk5QzIzNy45NjMgOTkgMjM2IDk3LjA2NTEgMjM2IDk0LjY3ODIgMjM2IDk0LjM3OTkgMjM2LjAzMSA5NC4wODg2IDIzNi4wODkgOTMuODA3MkwyMzYuMzM4IDkzLjAxNjIgMjM2Ljg1OCA5Mi4xMzE0IDI1OS40NzMgNTMuNjI5NCAyNTkuOTYxIDUyLjc5ODUgMjYwLjQwNyA1Mi4yNjU4QzI2MS4yIDUxLjQ4MzcgMjYyLjI5NiA1MSAyNjMuNTA2IDUxWk0yNjMuNTg2IDY2LjAxODNDMjYwLjczNyA2Ni4wMTgzIDI1OS4zMTMgNjcuMTI0NSAyNTkuMzEzIDY5LjMzNyAyNTkuMzEzIDY5LjYxMDIgMjU5LjMzMiA2OS44NjA4IDI1OS4zNzEgNzAuMDg4N0wyNjEuNzk1IDg0LjAxNjEgMjY1LjM4IDg0LjAxNjEgMjY3LjgyMSA2OS43NDc1QzI2Ny44NiA2OS43MzA5IDI2Ny44NzkgNjkuNTg3NyAyNjcuODc5IDY5LjMxNzkgMjY3Ljg3OSA2Ny4xMTgyIDI2Ni40NDggNjYuMDE4MyAyNjMuNTg2IDY2LjAxODNaTTI2My41NzYgODYuMDU0N0MyNjEuMDQ5IDg2LjA1NDcgMjU5Ljc4NiA4Ny4zMDA1IDI1OS43ODYgODkuNzkyMSAyNTkuNzg2IDkyLjI4MzcgMjYxLjA0OSA5My41Mjk1IDI2My41NzYgOTMuNTI5NSAyNjYuMTE2IDkzLjUyOTUgMjY3LjM4NyA5Mi4yODM3IDI2Ny4zODcgODkuNzkyMSAyNjcuMzg3IDg3LjMwMDUgMjY2LjExNiA4Ni4wNTQ3IDI2My41NzYgODYuMDU0N1oiIGZpbGw9IiNGRkU1MDAiIGZpbGwtcnVsZT0iZXZlbm9kZCIvPjwvZz48L3N2Zz4=) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--radius);
}
.blazor-error-boundary::after { content: "An error has occurred." }