/* Krozzy core stylesheet */
:root {
    --bg: #0b0d10;
    --fg: #e6e7ea;
    --muted: #8b91a0;
    --accent: #ffcc55;
    --danger: #ff5a5a;
    --panel: #16191e;
    --panel-2: #1d2127;
    --border: #2a2f37;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: ui-sans-serif, system-ui, -apple-system, sans-serif;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.nav .brand {
    font-family: ui-monospace, Menlo, monospace;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
    font-size: 1.25rem;
}
.nav nav a { margin-left: 0.85rem; }
.nav .user { color: var(--muted); margin-left: 0.85rem; }

.main { padding: 1.25rem 1rem; max-width: 1100px; margin: 0 auto; }
.foot {
    text-align: center;
    padding: 1.5rem 1rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

h1, h2, h3 { color: #fff; }
h1 { margin: 0 0 0.75rem; font-size: 1.5rem; }
h2 { margin: 1rem 0 0.5rem; font-size: 1.2rem; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}

.form-row { margin-bottom: 0.75rem; }
label { display: block; font-size: 0.9rem; color: var(--muted); margin-bottom: 0.25rem; }
input[type=text], input[type=email], input[type=password], input[type=number], textarea, select {
    width: 100%;
    background: var(--panel-2);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.55rem 0.7rem;
    font: inherit;
}
button, .btn {
    background: var(--accent);
    color: #1a1300;
    border: none;
    border-radius: 4px;
    padding: 0.55rem 0.9rem;
    font-weight: 600;
    cursor: pointer;
}
.btn.secondary { background: var(--panel-2); color: var(--fg); border: 1px solid var(--border); }
.btn.danger { background: var(--danger); color: #fff; }

.errors {
    background: #3a1c1c;
    color: #ffd1d1;
    border: 1px solid #5a2c2c;
    border-radius: 4px;
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}
.flash {
    background: #1c3a2a;
    color: #d1ffd9;
    border: 1px solid #2c5a3e;
    border-radius: 4px;
    padding: 0.6rem 1rem;
    margin-bottom: 1rem;
}

.chapter-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px,1fr)); gap: 1rem; }
.chapter-card .meta { color: var(--muted); font-size: 0.85rem; }

.scores table { width: 100%; border-collapse: collapse; }
.scores th, .scores td { padding: 0.4rem 0.7rem; border-bottom: 1px solid var(--border); text-align: left; }