* { box-sizing: border-box; }
:root {
    --navy: #1f2937;
    --navy-light: #374151;
    --blue: #2563eb;
    --blue-dark: #1d4ed8;
    --bg: #f4f6f8;
    --card-bg: #ffffff;
    --border: #e5e7eb;
    --text: #1f2937;
    --text-muted: #6b7280;
    --radius: 12px;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}
.container { max-width: 1100px; margin: 0 auto; padding: 20px 16px 40px; }

/* ---------- Nav ---------- */
.topnav {
    background: var(--navy);
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 17px;
}
.nav-brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--blue);
    border-radius: 8px;
    flex-shrink: 0;
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    padding: 6px;
    cursor: pointer;
}
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
    color: #d1d5db;
    text-decoration: none;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: 7px;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #fff; background: var(--blue); }
.nav-logout { display: flex; align-items: center; gap: 4px; }
.nav-username { opacity: 0.7; font-size: 12px; }

@media (max-width: 640px) {
    .nav-toggle { display: block; }
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--navy);
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        padding: 8px 12px 14px;
        display: none;
        box-shadow: 0 4px 10px rgba(0,0,0,0.2);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 12px 14px; }
}

/* ---------- Login ---------- */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(160deg, var(--navy), #111827); padding: 16px; }
.login-box { background: #fff; padding: 36px 32px; border-radius: 16px; width: 100%; max-width: 340px; box-shadow: 0 20px 45px rgba(0,0,0,0.3); }
.login-box h1 { font-size: 21px; margin: 0 0 22px; text-align: center; color: var(--navy); }
.login-box label { display: block; font-size: 13px; margin: 14px 0 5px; color: #555; font-weight: 600; }
.login-box input { width: 100%; padding: 11px 12px; border: 1.5px solid #ddd; border-radius: 8px; font-size: 15px; transition: border-color 0.15s; }
.login-box input:focus { outline: none; border-color: var(--blue); }
.login-box button {
    width: 100%; margin-top: 22px; padding: 12px; background: var(--blue); color: #fff;
    border: none; border-radius: 8px; font-size: 15px; font-weight: 600; cursor: pointer;
    transition: background 0.15s;
}
.login-box button:hover { background: var(--blue-dark); }

/* ---------- Page structure ---------- */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.page-header h2 { margin: 0; font-size: 22px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 8px;
    text-decoration: none; font-size: 14px; font-weight: 600; cursor: pointer; border: 1px solid transparent;
    transition: background 0.15s, transform 0.05s;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-secondary { background: #e5e7eb; color: var(--text); }
.btn-secondary:hover { background: #d1d5db; }
.btn-outline { background: #fff; border: 1px solid #ccc; color: #333; }
.btn-danger { background: #fee2e2; color: #b91c1c; }
.btn-danger:hover { background: #fecaca; }
.btn-small { padding: 6px 11px; font-size: 12.5px; }

/* ---------- Record cards (replaces table on all screen sizes) ---------- */
.record-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 14px;
}
.record-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    border: 1px solid var(--border);
    transition: box-shadow 0.15s, transform 0.1s;
}
.record-card:hover { box-shadow: 0 6px 16px rgba(0,0,0,0.09); transform: translateY(-1px); }
.card-inactive { opacity: 0.55; }

.record-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; margin-bottom: 10px; }
.record-type-tag {
    font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px;
    color: var(--blue); background: #eff6ff; padding: 4px 9px; border-radius: 6px;
}
.record-title { margin: 0 0 4px; font-size: 17px; font-weight: 700; color: var(--text); }
.record-notes { margin: 0 0 10px; font-size: 13px; color: var(--text-muted); }

.record-meta { display: flex; flex-direction: column; gap: 7px; margin: 12px 0 16px; padding-top: 12px; border-top: 1px solid var(--border); }
.record-meta-row { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: #444; }
.record-meta-row svg { color: var(--text-muted); flex-shrink: 0; }

.record-actions { display: flex; gap: 6px; }
.icon-btn {
    display: flex; align-items: center; justify-content: center; gap: 5px;
    flex: 1; padding: 8px 6px; border-radius: 8px; text-decoration: none;
    font-size: 12.5px; font-weight: 600; border: 1px solid var(--border);
    transition: background 0.15s, border-color 0.15s;
}
.icon-btn-edit { color: var(--blue); }
.icon-btn-edit:hover { background: #eff6ff; border-color: #bfdbfe; }
.icon-btn-test { color: #92400e; }
.icon-btn-test:hover { background: #fffbeb; border-color: #fde68a; }
.icon-btn-delete { color: #b91c1c; }
.icon-btn-delete:hover { background: #fef2f2; border-color: #fecaca; }

/* ---------- Badges ---------- */
.badge { padding: 4px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 700; white-space: nowrap; }
.status-ok { background: #dcfce7; color: #166534; }
.status-upcoming { background: #fef9c3; color: #854d0e; }
.status-soon { background: #ffedd5; color: #9a3412; }
.status-today { background: #fee2e2; color: #b91c1c; }
.status-expired { background: #fecaca; color: #7f1d1d; }

/* ---------- Forms ---------- */
.form-card { background: #fff; padding: 22px; border-radius: var(--radius); max-width: 480px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); border: 1px solid var(--border); }
.form-card label { display: block; font-size: 13px; margin: 14px 0 5px; color: #555; font-weight: 600; }
.form-card input, .form-card select {
    width: 100%; padding: 10px 12px; border: 1.5px solid #ddd; border-radius: 8px; font-size: 14.5px;
    transition: border-color 0.15s;
}
.form-card input:focus, .form-card select:focus { outline: none; border-color: var(--blue); }
.form-actions { margin-top: 22px; display: flex; gap: 8px; }
.checkbox-label { display: flex; align-items: center; gap: 7px; font-size: 13.5px; }
.checkbox-label input { width: auto; }

/* ---------- Misc / legacy table (kept for record_types.php) ---------- */
.filter-bar { margin-bottom: 18px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.filter-bar select { padding: 8px 12px; border-radius: 8px; border: 1.5px solid #ddd; font-size: 14px; background: #fff; }
.empty-state { color: #777; padding: 40px 0; text-align: center; }
.text-muted { color: var(--text-muted); }
.alert { padding: 11px 16px; border-radius: 9px; margin-bottom: 18px; font-size: 14px; font-weight: 500; }
.alert-success { background: #dcfce7; color: #166534; }
.alert-error { background: #fee2e2; color: #b91c1c; }
.site-footer { text-align: center; color: #999; font-size: 12px; padding: 24px 0; }

.data-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.06); border: 1px solid var(--border); }
.data-table th, .data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.data-table th { background: #f9fafb; font-weight: 700; color: #444; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.3px; }
.row-inactive { opacity: 0.5; }
.actions-col { white-space: nowrap; }