/* ── Reset & variables ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --sidebar-w: 240px;
    --topbar-h:  64px;

    --bg:         #f8fafc;
    --surface:    #ffffff;
    --border:     #e2e8f0;
    --border-lt:  #f1f5f9;

    --text-900:   #0f172a;
    --text-700:   #334155;
    --text-500:   #64748b;
    --text-400:   #94a3b8;
    --text-300:   #cbd5e1;

    --primary:    #2563eb;
    --primary-dk: #1d4ed8;
    --primary-lt: #eff6ff;
    --primary-bd: #bfdbfe;

    --success:    #16a34a;
    --success-lt: #f0fdf4;
    --success-bd: #bbf7d0;

    --warning:    #d97706;
    --warning-lt: #fffbeb;
    --warning-bd: #fde68a;

    --danger:     #dc2626;
    --danger-lt:  #fef2f2;
    --danger-bd:  #fecaca;

    --purple:     #7c3aed;
    --purple-lt:  #f5f3ff;
    --purple-bd:  #ddd6fe;

    --navy:       #0f172a;
    --navy-800:   #1e293b;

    --radius:     10px;
    --radius-sm:  6px;
    --radius-lg:  14px;
    --shadow:     0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md:  0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
    --shadow-lg:  0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);

    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

html, body { height: 100%; }
body {
    font-family: var(--font);
    font-size: 14px;
    color: var(--text-700);
    background: var(--bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ── Layout ─────────────────────────────────────────────── */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: var(--navy);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-logo {
    height: var(--topbar-h);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 20px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    font-weight: 700;
    font-size: 17px;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-logo-icon {
    width: 34px;
    height: 34px;
    background: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: background .15s, color .15s;
}

.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item svg { flex-shrink: 0; opacity: .85; }
.nav-item.active svg { opacity: 1; }

.sidebar-user {
    padding: 12px 10px;
    border-top: 1px solid rgba(255,255,255,.08);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-user-avatar {
    width: 34px;
    height: 34px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    flex-shrink: 0;
}

.sidebar-user-name {
    font-size: 13px;
    font-weight: 600;
    color: #f1f5f9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 11px;
    color: #64748b;
}

/* ── Main wrapper ───────────────────────────────────────── */
.main-wrapper {
    margin-left: var(--sidebar-w);
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ── Topbar ─────────────────────────────────────────────── */
.topbar {
    height: var(--topbar-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar-left { flex: 1; min-width: 0; }

.topbar-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-900);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topbar-subtitle {
    font-size: 12px;
    color: var(--text-400);
    margin-top: 1px;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.topbar-actions { display: flex; gap: 8px; align-items: center; }

.btn-logout {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-500);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: background .15s, color .15s;
}

.btn-logout:hover { background: var(--danger-lt); color: var(--danger); }

/* ── Flash ──────────────────────────────────────────────── */
.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 24px;
    font-size: 13.5px;
    font-weight: 500;
}

.flash-success { background: var(--success-lt); color: var(--success); border-bottom: 1px solid var(--success-bd); }
.flash-error   { background: var(--danger-lt);  color: var(--danger);  border-bottom: 1px solid var(--danger-bd); }
.flash-warning { background: var(--warning-lt); color: var(--warning); border-bottom: 1px solid var(--warning-bd); }
.flash-info    { background: var(--primary-lt); color: var(--primary); border-bottom: 1px solid var(--primary-bd); }

.flash-close { background: none; border: none; cursor: pointer; font-size: 18px; color: inherit; opacity: .6; }
.flash-close:hover { opacity: 1; }

/* ── Page content ───────────────────────────────────────── */
.page-content { padding: 24px; flex: 1; }

/* ── Cards ──────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-lt);
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 20px; }

.card-body-scroll { overflow-x: auto; }

/* ── Stat cards ─────────────────────────────────────────── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-decoration: none;
    display: block;
    transition: box-shadow .2s, transform .15s;
}

.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.stat-icon.blue   { background: var(--primary-lt); color: var(--primary); }
.stat-icon.green  { background: var(--success-lt); color: var(--success); }
.stat-icon.orange { background: #fff7ed; color: #ea580c; }
.stat-icon.purple { background: var(--purple-lt);  color: var(--purple); }

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-900);
    line-height: 1;
}

.stat-fraction {
    font-size: 15px;
    font-weight: 400;
    color: var(--text-400);
}

.stat-label {
    font-size: 13px;
    color: var(--text-500);
    margin-top: 4px;
}

.stat-bar {
    height: 4px;
    background: var(--border-lt);
    border-radius: 99px;
    margin-top: 12px;
    overflow: hidden;
}

.stat-bar-fill { height: 100%; border-radius: 99px; transition: width .4s; }
.stat-bar-fill.blue   { background: var(--primary); }
.stat-bar-fill.green  { background: var(--success); }
.stat-bar-fill.orange { background: #ea580c; }

/* ── Table ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

thead tr {
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
}

thead th {
    text-align: left;
    padding: 11px 16px;
    font-size: 11.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-500);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid var(--border-lt);
    transition: background .12s;
}

tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }

tbody td { padding: 13px 16px; vertical-align: middle; }

/* ── Badges ─────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 99px;
    font-size: 11.5px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-success   { background: var(--success-lt); color: var(--success); }
.badge-warning   { background: var(--warning-lt); color: var(--warning); }
.badge-danger    { background: var(--danger-lt);  color: var(--danger); }
.badge-secondary { background: #f1f5f9;            color: var(--text-500); }
.badge-primary   { background: var(--primary-lt); color: var(--primary); }
.badge-purple    { background: var(--purple-lt);  color: var(--purple); }

/* ── Buttons ────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    font-family: var(--font);
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
    transition: background .15s, transform .1s, opacity .15s;
    white-space: nowrap;
}

.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn:not(:disabled):active { transform: scale(.97); }

.btn-primary   { background: var(--primary);  color: #fff; }
.btn-primary:hover { background: var(--primary-dk); }

.btn-danger    { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }

.btn-secondary { background: #f1f5f9; color: var(--text-700); }
.btn-secondary:hover { background: #e2e8f0; }

.btn-ghost { background: transparent; color: var(--text-500); }
.btn-ghost:hover { background: #f1f5f9; color: var(--text-900); }

.btn-icon {
    padding: 6px;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-400);
    display: inline-flex;
    align-items: center;
    transition: background .12s, color .12s;
}

.btn-icon:hover            { background: #f1f5f9; color: var(--text-700); }
.btn-icon.danger:hover     { background: var(--danger-lt); color: var(--danger); }
.btn-icon.primary:hover    { background: var(--primary-lt); color: var(--primary); }

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-700);
    margin-bottom: 6px;
}

.form-label .opt {
    font-weight: 400;
    color: var(--text-400);
    font-size: 12px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 13.5px;
    color: var(--text-900);
    background: var(--surface);
    transition: border-color .15s, box-shadow .15s;
    outline: none;
    appearance: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}

.form-control.mono { font-family: 'Courier New', monospace; }

textarea.form-control { resize: vertical; min-height: 80px; }

select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 32px; }

.form-hint { font-size: 12px; color: var(--text-400); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

.form-row { display: grid; gap: 16px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 16px;
    height: 16px;
    margin-top: 2px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

.form-check-label { font-size: 13.5px; color: var(--text-700); }
.form-check-hint  { font-size: 12px; color: var(--text-400); margin-top: 2px; }

/* ── Range slider ───────────────────────────────────────── */
input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ── Password strength ──────────────────────────────────── */
.pwd-strength { margin-top: 6px; }
.pwd-bars { display: flex; gap: 4px; }
.pwd-bar {
    flex: 1;
    height: 3px;
    border-radius: 99px;
    background: var(--border);
    transition: background .3s;
}
.pwd-bar.active-1 { background: var(--danger); }
.pwd-bar.active-2 { background: #f97316; }
.pwd-bar.active-3 { background: var(--warning); }
.pwd-bar.active-4 { background: var(--primary); }
.pwd-bar.active-5 { background: var(--success); }
.pwd-label { font-size: 11.5px; color: var(--text-400); margin-top: 4px; }

/* ── Usage bar ──────────────────────────────────────────── */
.usage-bar { }
.usage-track {
    height: 6px;
    background: var(--border-lt);
    border-radius: 99px;
    overflow: hidden;
}
.usage-fill {
    height: 100%;
    border-radius: 99px;
    transition: width .4s;
}
.usage-fill.success { background: var(--primary); }
.usage-fill.warning { background: var(--warning); }
.usage-fill.danger  { background: var(--danger); }
.usage-text { font-size: 12px; color: var(--text-400); margin-top: 3px; }

/* ── Modal ──────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.45);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(10px);
    transition: transform .2s;
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-lg { max-width: 720px; }

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--border-lt);
}

.modal-title { font-size: 16px; font-weight: 700; color: var(--text-900); }

.modal-close {
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    border: none; background: transparent; cursor: pointer;
    border-radius: 6px; font-size: 18px; color: var(--text-400);
    transition: background .12s;
}
.modal-close:hover { background: #f1f5f9; color: var(--text-700); }

.modal-body { padding: 20px 24px; }

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border-lt);
}

/* ── Alert ──────────────────────────────────────────────── */
.alert {
    display: flex;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 13.5px;
}

.alert svg { flex-shrink: 0; margin-top: 1px; }
.alert-title { font-weight: 600; margin-bottom: 2px; }

.alert-info    { background: var(--primary-lt); color: var(--primary);  border: 1px solid var(--primary-bd); }
.alert-success { background: var(--success-lt); color: var(--success);  border: 1px solid var(--success-bd); }
.alert-warning { background: var(--warning-lt); color: var(--warning);  border: 1px solid var(--warning-bd); }
.alert-danger  { background: var(--danger-lt);  color: var(--danger);   border: 1px solid var(--danger-bd); }
.alert-orange  { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.alert-purple  { background: var(--purple-lt);  color: var(--purple);   border: 1px solid var(--purple-bd); }

/* ── Empty state ────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 56px 24px;
    color: var(--text-400);
}

.empty-state svg {
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    opacity: .35;
}

.empty-state-title { font-size: 15px; font-weight: 600; color: var(--text-500); margin-bottom: 6px; }
.empty-state-text  { font-size: 13px; color: var(--text-400); }

/* ── Utilities ──────────────────────────────────────────── */
.mono { font-family: 'Courier New', monospace; font-size: 12.5px; }
.text-muted { color: var(--text-400); }
.text-sm { font-size: 12.5px; }
.text-xs { font-size: 11.5px; }
.fw-medium { font-weight: 500; }
.fw-bold   { font-weight: 700; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-5 { margin-bottom: 20px; }
.mb-6 { margin-bottom: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

.section-grid { display: grid; gap: 20px; }

.tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: #f1f5f9;
    color: var(--text-700);
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 12.5px;
    font-weight: 500;
}

.tag-main { background: var(--primary-lt); color: var(--primary); }

.fqdn-preview {
    background: #f8fafc;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 9px 14px;
    font-family: monospace;
    font-size: 13px;
    color: var(--text-700);
    margin-top: -6px;
}

/* ── Login page ─────────────────────────────────────────── */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--navy) 0%, #1e293b 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin: 0 auto 14px;
}

.login-logo h1 { font-size: 24px; font-weight: 800; color: #fff; }
.login-logo p  { font-size: 13px; color: #64748b; margin-top: 4px; }

.login-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0,0,0,.3);
    padding: 32px;
}

.login-card h2 { font-size: 18px; font-weight: 700; color: var(--text-900); margin-bottom: 24px; }

.login-footer { text-align: center; color: #475569; font-size: 12px; margin-top: 20px; }

/* ── Activity log ───────────────────────────────────────── */
.activity-list { }
.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 13px 20px;
    border-bottom: 1px solid var(--border-lt);
}

.activity-item:last-child { border-bottom: none; }

.activity-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    margin-top: 5px;
}

.activity-dot.blue   { background: var(--primary); }
.activity-dot.green  { background: var(--success); }
.activity-dot.red    { background: var(--danger); }
.activity-dot.yellow { background: var(--warning); }
.activity-dot.purple { background: var(--purple); }
.activity-dot.gray   { background: var(--text-300); }

.activity-body { flex: 1; min-width: 0; }
.activity-action { font-size: 13.5px; color: var(--text-700); }
.activity-action strong { font-weight: 600; color: var(--text-900); }
.activity-detail { font-size: 12px; color: var(--text-400); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.activity-time { font-size: 12px; color: var(--text-400); flex-shrink: 0; }

/* ── Collapsible ────────────────────────────────────────── */
.collapsible-btn {
    background: none;
    border: none;
    font-family: var(--font);
    font-size: 13px;
    color: var(--primary);
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}
.collapsible-btn:hover { text-decoration: underline; }
.collapsible-body { display: none; margin-top: 12px; }
.collapsible-body.open { display: block; }

/* ── Spinner ────────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Info box ───────────────────────────────────────────── */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.info-item dt { font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-400); margin-bottom: 3px; }
.info-item dd { font-size: 14px; font-weight: 600; color: var(--text-900); }

/* ── Tabs ───────────────────────────────────────────────── */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
    padding: 10px 16px;
    border: none; background: none;
    font-family: var(--font);
    font-size: 13.5px; font-weight: 500;
    color: var(--text-500);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color .15s, border-color .15s;
}
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-btn:hover:not(.active) { color: var(--text-900); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 900px) {
    .sidebar { display: none; }
    .main-wrapper { margin-left: 0; }
    .form-row.cols-2, .form-row.cols-3, .grid-2, .grid-3 { grid-template-columns: 1fr; }
}