/* ═══ DNS Web Manager - Style Sheet ═══ */

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0891b2;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --code-bg: #1e293b;
    --code-text: #e2e8f0;
    --badge-a: #3b82f6;
    --badge-cname: #8b5cf6;
    --badge-mx: #06b6d4;
    --badge-txt: #f59e0b;
    --badge-ns: #10b981;
    --badge-soa: #ec4899;
    --badge-ptr: #f97316;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 14px;
}

/* ─── Navbar ─── */
.navbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
}

.nav-brand a { color: var(--text); text-decoration: none; }
.nav-brand .logo { font-size: 24px; }

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: 6px;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.15s;
}

.nav-links a:hover { background: var(--bg); color: var(--text); }
.nav-links a.active { background: var(--primary); color: white; }

.nav-user {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-user > span {
    color: var(--text-muted);
    font-size: 13px;
}

/* ─── Container ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* ─── Flash messages ─── */
.flash-messages {
    margin-bottom: 16px;
}

.flash {
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 8px;
    font-weight: 500;
}

.flash-success { background: #dcfce7; color: #166534; border: 1px solid #86efac; }
.flash-error { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.flash-warning { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
    line-height: 1.4;
}

.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #15803d; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #b45309; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #b91c1c; }
.btn-info { background: var(--info); color: white; }
.btn-info:hover { background: #0e7490; }
.btn-secondary { background: #e2e8f0; color: var(--text); }
.btn-secondary:hover { background: #cbd5e1; }

.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 4px; }

/* ─── Cards ─── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 16px;
}

.card-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.card-body { padding: 20px; }

/* ─── Tables ─── */
.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table tbody tr:hover { background: #f8fafc; }

.table-compact th, .table-compact td {
    padding: 6px 12px;
}

/* ─── Badges ─── */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--text-light);
    color: white;
}

.badge-master { background: var(--success); }
.badge-slave { background: var(--info); }
.badge-A { background: var(--badge-a); }
.badge-AAAA { background: var(--badge-a); }
.badge-CNAME { background: var(--badge-cname); }
.badge-MX { background: var(--badge-mx); }
.badge-TXT { background: var(--badge-txt); }
.badge-NS { background: var(--badge-ns); }
.badge-SOA { background: var(--badge-soa); }
.badge-PTR { background: var(--badge-ptr); }
.badge-SRV { background: var(--badge-ptr); }
.badge-CAA { background: var(--badge-cname); }
.badge-ok { background: var(--success); }
.badge-err { background: var(--danger); }

/* ─── Forms ─── */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    font-size: 13px;
    color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-hints { margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
.form-hints p { font-size: 12px; color: var(--text-muted); }
.required { color: var(--danger); }

.form-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.form-row .form-group { flex: 1; margin-bottom: 0; }
.form-actions-vertical { align-self: flex-end; padding-bottom: 0 !important; }

.form-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

/* ─── Dashboard ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
}

.stat-icon {
    font-size: 32px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg);
}

.stat-ok { color: var(--success); }
.stat-err { color: var(--danger); }

.stat-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 24px; font-weight: 700; }
.stat-value-small { font-size: 13px; font-weight: 600; }
.stat-sub { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.text-ok { color: var(--success); }
.text-err { color: var(--danger); }

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 16px;
    margin-bottom: 16px;
}

.service-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.service-note {
    padding: 12px;
    background: #eff6ff;
    border-radius: 6px;
    border: 1px solid #bfdbfe;
}

.service-note p { font-size: 13px; color: #1e40af; margin-bottom: 4px; }

/* ─── Login ─── */
.login-wrap {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 120px);
}

.login-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    width: 400px;
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 32px;
    text-align: center;
}

.login-header h1 { font-size: 24px; margin-bottom: 8px; }
.login-header p { opacity: 0.9; font-size: 14px; }

.login-form { padding: 32px; }

.login-hint {
    padding: 16px 32px 32px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

.login-hint code {
    background: var(--bg);
    padding: 2px 6px;
    border-radius: 4px;
}

/* ─── Code editors ─── */
.code-editor {
    font-family: "JetBrains Mono", "Fira Code", "Courier New", monospace;
    font-size: 13px;
    line-height: 1.5;
    background: var(--code-bg);
    color: var(--code-text);
    border: 1px solid #334155;
    border-radius: 6px;
    padding: 12px;
    resize: vertical;
    tab-size: 4;
}

.config-viewer {
    font-family: monospace;
    font-size: 13px;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    white-space: pre-wrap;
}

.query-output {
    font-family: monospace;
    font-size: 13px;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    white-space: pre;
    max-height: 500px;
    overflow-y: auto;
}

.config-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-weight: 500;
}

.config-ok { background: #dcfce7; color: #166534; }
.config-err { background: #fee2e2; color: #991b1b; flex-direction: column; align-items: flex-start; }

.config-error {
    font-family: monospace;
    font-size: 12px;
    background: rgba(0,0,0,0.06);
    padding: 8px;
    border-radius: 4px;
    margin-top: 8px;
    width: 100%;
}

/* ─── Page header ─── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 { font-size: 24px; font-weight: 700; }

.zone-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
}

/* ─── Record form ─── */
.record-form-wrap {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}

.record-form .form-row { flex-wrap: wrap; }

/* ─── Query ─── */
.query-meta {
    display: flex;
    gap: 24px;
    margin-bottom: 12px;
    font-size: 13px;
}

/* ─── Misc ─── */
.text-muted { color: var(--text-muted); }
.text-mono { font-family: "JetBrains Mono", monospace; }
.text-sm { font-size: 12px; }

.empty-state {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.empty-state p { margin-bottom: 16px; }

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.page-info { font-size: 13px; color: var(--text-muted); }

.footer {
    text-align: center;
    padding: 24px;
    color: var(--text-light);
    font-size: 12px;
}

.footer a { color: var(--primary); text-decoration: none; }

.error-page {
    text-align: center;
    padding: 80px 24px;
}

.error-code {
    font-size: 72px;
    font-weight: 800;
    color: var(--danger);
    margin-bottom: 8px;
}

.error-msg {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .navbar { padding: 0 12px; flex-wrap: wrap; height: auto; }
    .nav-links { width: 100%; overflow-x: auto; padding: 4px 0; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .form-row { flex-direction: column; }
    .page-header { flex-direction: column; gap: 12px; align-items: flex-start; }
}