@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600;700&family=IBM+Plex+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-primary: #060d18;
  --bg-secondary: #0a1628;
  --bg-card: #0d1b2a;
  --bg-card-hover: #112240;
  --bg-sidebar: #070e1a;
  --border: #1a2d4a;
  --border-light: #152238;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --accent: #38bdf8;
  --accent-hover: #7dd3fc;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --purple: #a78bfa;
  --pink: #f472b6;
  --orange: #fb923c;
  --sidebar-width: 250px;
}

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

body {
  font-family: 'IBM Plex Sans', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--accent-hover); }

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

/* ── SIDEBAR ───────────────────── */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 22px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand h1 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.5px;
}

.sidebar-brand h1 .icon { color: var(--accent); }
.sidebar-brand h1 .label { color: var(--text-primary); }
.sidebar-brand h1 .highlight { color: var(--accent); }

.sidebar-brand p {
  color: var(--text-muted);
  font-size: 11px;
  margin-top: 3px;
  letter-spacing: .5px;
}

.sidebar-nav { padding: 10px 0; flex: 1; }

.nav-section {
  padding: 14px 20px 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  border-left: 3px solid transparent;
  transition: all .15s ease;
}

.nav-link:hover {
  background: rgba(56, 189, 248, .04);
  color: var(--text-primary);
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(56, 189, 248, .08), transparent);
  border-left-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
}

.nav-link .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 14px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.server-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(34, 197, 94, .5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

.server-status span {
  color: var(--success);
  font-size: 12px;
  font-weight: 600;
}

.sidebar-footer small {
  color: var(--text-muted);
  font-size: 11px;
}

/* ── MAIN CONTENT ──────────────── */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 28px 32px;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* ── PAGE HEADER ───────────────── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.3px;
}

.page-header .subtitle {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 2px;
}

.header-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-secondary);
}

.header-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

/* ── CARDS / PANELS ────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 20px;
}

.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-header h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-body { padding: 20px; }
.card-body.no-pad { padding: 0; }

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

.stat-card {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.stat-card.blue::before { background: var(--accent); }
.stat-card.purple::before { background: var(--purple); }
.stat-card.green::before { background: var(--success); }
.stat-card.orange::before { background: var(--orange); }
.stat-card.pink::before { background: var(--pink); }
.stat-card.danger::before { background: var(--danger); }

.stat-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 28px;
  font-weight: 700;
}

.stat-card.blue .stat-value { color: var(--accent); }
.stat-card.purple .stat-value { color: var(--purple); }
.stat-card.green .stat-value { color: var(--success); }
.stat-card.orange .stat-value { color: var(--orange); }
.stat-card.pink .stat-value { color: var(--pink); }
.stat-card.danger .stat-value { color: var(--danger); }

.stat-unit {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 2px;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── GAUGE ─────────────────────── */
.gauges-row {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.gauge { text-align: center; }
.gauge-label { color: var(--text-muted); font-size: 12px; font-weight: 600; margin-top: 4px; }

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

.data-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  background: rgba(10, 22, 40, .5);
}

.data-table td {
  padding: 11px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(56, 189, 248, .02); }

.mono {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
}

/* ── BADGES ────────────────────── */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
}

.badge-success { color: var(--success); background: rgba(34, 197, 94, .1); }
.badge-danger { color: var(--danger); background: rgba(239, 68, 68, .1); }
.badge-warning { color: var(--warning); background: rgba(245, 158, 11, .1); }
.badge-info { color: var(--accent); background: rgba(56, 189, 248, .1); }
.badge-purple { color: var(--purple); background: rgba(167, 139, 250, .1); }

/* ── STATUS DOT ROW ────────────── */
.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-indicator .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-indicator .dot.active {
  background: var(--success);
  box-shadow: 0 0 6px rgba(34, 197, 94, .5);
}

.status-indicator .dot.inactive {
  background: var(--danger);
  box-shadow: 0 0 6px rgba(239, 68, 68, .5);
}

/* ── BUTTONS ───────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
}

.btn-primary {
  background: var(--accent);
  color: #0a1628;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-success { background: rgba(34, 197, 94, .15); color: var(--success); }
.btn-success:hover { background: rgba(34, 197, 94, .25); }

.btn-danger { background: rgba(239, 68, 68, .15); color: var(--danger); }
.btn-danger:hover { background: rgba(239, 68, 68, .25); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 4px 10px; font-size: 11px; }

/* ── FORMS ─────────────────────── */
.form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  min-width: 140px;
}

.form-group label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .5px;
  text-transform: uppercase;
}

.form-control {
  padding: 8px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color .2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, .1);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}

/* ── GRID LAYOUTS ──────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

/* ── PROGRESS BAR ──────────────── */
.progress {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 6px;
}

.progress-bar {
  height: 100%;
  border-radius: 3px;
  transition: width .5s ease;
}

.progress-bar.blue { background: var(--accent); }
.progress-bar.green { background: var(--success); }
.progress-bar.orange { background: var(--orange); }
.progress-bar.danger { background: var(--danger); }

/* ── INFO ROW ──────────────────── */
.info-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}

.info-row:last-child { border-bottom: none; }
.info-row .label { color: var(--text-secondary); }
.info-row .value { color: var(--text-primary); font-family: 'IBM Plex Mono', monospace; }

/* ── ACTIVITY LOG ──────────────── */
.log-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 13px;
}

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

.log-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.log-icon.login { background: rgba(56, 189, 248, .1); }
.log-icon.domain { background: rgba(34, 197, 94, .1); }
.log-icon.ssl { background: rgba(245, 158, 11, .1); }
.log-icon.backup { background: rgba(167, 139, 250, .1); }
.log-icon.service { background: rgba(251, 146, 60, .1); }
.log-icon.firewall { background: rgba(239, 68, 68, .1); }
.log-icon.db { background: rgba(244, 114, 182, .1); }

.log-text { flex: 1; color: var(--text-secondary); }
.log-time { color: var(--text-muted); font-size: 11px; font-family: 'IBM Plex Mono', monospace; }

/* ── LOGIN PAGE ────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #060d18 0%, #0a1628 50%, #0d1b2a 100%);
}

.login-box {
  width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
}

.login-box h1 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 6px;
  text-align: center;
}

.login-box .sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 30px;
}

.login-box .form-group {
  margin-bottom: 16px;
}

.login-box .form-control {
  width: 100%;
  padding: 10px 14px;
}

.login-box .btn-primary {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  margin-top: 8px;
  border-radius: 8px;
}

.login-error {
  background: rgba(239, 68, 68, .1);
  border: 1px solid rgba(239, 68, 68, .2);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}

/* ── FILE MANAGER ──────────────── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-family: 'IBM Plex Mono', monospace;
  overflow-x: auto;
}

.breadcrumb a { color: var(--accent); }

.file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-light);
  transition: background .15s;
}

.file-row:hover { background: rgba(56, 189, 248, .02); }

.file-icon { font-size: 18px; width: 24px; text-align: center; }
.file-name { flex: 1; font-size: 13px; }
.file-name a { color: var(--accent); }
.file-name span { color: var(--text-primary); }
.file-size { color: var(--text-muted); font-size: 12px; font-family: 'IBM Plex Mono', monospace; width: 80px; text-align: right; }

/* ── RESPONSIVE ────────────────── */
@media (max-width: 900px) {
  .sidebar { width: 60px; }
  .sidebar .nav-link span:not(.nav-icon) { display: none; }
  .sidebar-brand h1 span:not(.icon) { display: none; }
  .sidebar-brand p { display: none; }
  .nav-section { display: none; }
  .main-content { margin-left: 60px; padding: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* ── FLASH MESSAGES ───────────── */
.flash-message {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid;
  transition: opacity 0.3s ease;
}
.flash-success {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: #22c55e;
}
.flash-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}
.flash-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #f59e0b;
}
.flash-info {
  background: rgba(56, 189, 248, 0.1);
  border-color: rgba(56, 189, 248, 0.3);
  color: #38bdf8;
}

/* ── FILE MANAGER ENHANCEMENTS ── */
.file-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
}
.file-meta {
  flex-shrink: 0;
}
.file-actions {
  flex-shrink: 0;
}