*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, sans-serif; background: #f5f5f5; color: #222; }

/* ── Nav ── */
.admin-nav {
    background: #1a1a2e;
    color: #fff;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 0;
    height: 52px;
}
.admin-nav .brand {
    font-weight: 700;
    font-size: 1rem;
    color: #7eb3ff;
    text-decoration: none;
    margin-right: 2rem;
}
.admin-nav a {
    color: #ccc;
    text-decoration: none;
    padding: 0 1rem;
    height: 52px;
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
    transition: color 0.15s;
}
.admin-nav a:hover { color: #fff; }
.admin-nav .spacer { flex: 1; }
.admin-nav .nav-user { font-size: 0.8rem; color: #888; margin-right: 0.5rem; }
.admin-nav .nav-version { font-size: 0.75rem; color: #555; margin-right: 1rem; font-family: monospace; }

/* ── Nav dropdown group ── */
.nav-group {
    position: relative;
    height: 52px;
    display: inline-flex;
    align-items: center;
}
.nav-group-toggle {
    color: #ccc;
    text-decoration: none;
    padding: 0 1rem;
    height: 52px;
    display: inline-flex;
    align-items: center;
    font-size: 0.9rem;
    cursor: default;
    gap: 0.3rem;
    transition: color 0.15s;
    user-select: none;
}
.nav-group-toggle::after {
    content: '▾';
    font-size: 0.65rem;
    opacity: 0.6;
}
.nav-group:hover .nav-group-toggle { color: #fff; }
.nav-dropdown {
    display: none;
    position: absolute;
    top: 52px;
    left: 0;
    background: #1a1a2e;
    border: 1px solid #2a2a4a;
    border-top: 2px solid #2563eb;
    min-width: 170px;
    flex-direction: column;
    z-index: 200;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.nav-group:hover .nav-dropdown { display: flex; }
.nav-dropdown a {
    height: auto;
    padding: 0.55rem 1rem;
    display: block;
    border-bottom: 1px solid #12122a;
    font-size: 0.85rem;
    white-space: nowrap;
}
.nav-dropdown a:last-child { border-bottom: none; }
.nav-dropdown a:hover { background: #12122a; }

/* ── Layout ── */
.admin-main { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }
h1 { font-size: 1.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.2rem; margin-bottom: 1rem; }

/* ── Card ── */
.card {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* ── Table ── */
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid #eee; }
th { font-weight: 600; color: #555; }
tr:last-child td { border-bottom: none; }

/* ── Buttons ── */
.btn {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    border-radius: 4px;
    border: none;
    font-size: 0.85rem;
    cursor: pointer;
    text-decoration: none;
}
.btn-primary   { background: #2563eb; color: #fff; }
.btn-danger    { background: #dc2626; color: #fff; }
.btn-secondary { background: #e5e7eb; color: #333; }
.btn:hover     { opacity: 0.85; }
.btn:disabled  { opacity: 0.5; cursor: not-allowed; }

/* ── Forms ── */
input[type="email"],
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 0.45rem 0.6rem;
    border: 1px solid #d1d5db;
    border-radius: 4px;
    font-size: 0.9rem;
}
label { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.25rem; color: #444; }
.form-row { margin-bottom: 0.75rem; }
.form-inline { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; }
.form-inline .form-row { flex: 1; min-width: 200px; margin-bottom: 0; }

/* ── Badges ── */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-admin { background: #dbeafe; color: #1d4ed8; }
.badge-user  { background: #f3f4f6; color: #555; }

/* ── Alerts ── */
.alert { padding: 0.75rem 1rem; border-radius: 4px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-success { background: #d1fae5; color: #065f46; }
.alert-error   { background: #fee2e2; color: #991b1b; }
#flash-msg { display: none; }

/* ── Login page ── */
.admin-login-wrap {
    max-width: 380px;
    margin: 5rem auto;
    padding: 0 1rem;
}
.admin-login-wrap h1 { margin-bottom: 0.25rem; }
.admin-login-wrap .subtitle { color: #666; font-size: 0.9rem; margin-bottom: 1.5rem; }
.admin-login-wrap .btn-primary {
    width: 100%;
    padding: 0.55rem;
    font-size: 1rem;
    margin-top: 0.5rem;
}