* { box-sizing: border-box; }
:root {
    --bg: #10180f;
    --text: #f2f8ed;
    --panel: #1b2a1a;
    --accent: #a3b18a;
    --secondary: #588157;
}
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
.container { width: min(1100px, calc(100% - 2rem)); margin: 0 auto; }

.topbar {
    background: rgba(5,7,11,.92);
    border-bottom: 1px solid rgba(255,255,255,.12);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-inner {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: space-between;
    padding: .75rem 0;
    flex-wrap: wrap;
}
.brand-logo {
    width: 58px;
    height: 58px;
    object-fit: contain;
    border-radius: 12px;
    background: #fff;
}
.main-menu {
    display: flex;
    gap: .45rem;
    align-items: center;
    flex-wrap: wrap;
}
.main-menu a, .btn, .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: .75rem 1rem;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.07);
    color: var(--text);
    font-weight: 700;
}
.main-menu a:hover, .btn-primary {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    color: #fff;
}
.panel, .card, .login-card {
    background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.025));
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 22px;
    padding: 1.4rem;
    margin-bottom: 1rem;
}
.grid, .admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 1rem;
}
.notice { padding:1rem; border-radius:14px; background:rgba(22,101,52,.35); border:1px solid rgba(34,197,94,.35); }
.error { padding:1rem; border-radius:14px; background:rgba(127,29,29,.35); border:1px solid rgba(239,68,68,.35); }
.login-wrap { min-height:100vh; display:grid; place-items:center; padding:1rem; }
.login-card { width: min(520px, 100%); }
.profile-img { width:150px; height:150px; object-fit:cover; border-radius:24px; background:#fff; }
.footer { text-align:center; padding:2rem 0; color:rgba(242,248, 237,.7); }
@media(max-width:760px) {
    .main-menu a { flex:1 1 auto; }
}