/* ============================================================
   VPSMMO Monitoring Dashboard — Design System v2.0
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --sb-bg: #0f172a;
  --sb-bg-hover: #1e293b;
  --sb-active: rgba(59,130,246,0.15);
  --sb-text: #94a3b8;
  --sb-text-active: #e2e8f0;
  --sb-accent: #3b82f6;
  --main-bg: #f8fafc;
  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  --topbar-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --accent: #3b82f6;
  --green: #10b981;
  --red: #ef4444;
  --amber: #f59e0b;
  --purple: #8b5cf6;
  --cyan: #06b6d4;
  --sidebar-width: 260px;
  --topbar-height: 64px;
}

html { font-size: 14px; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--main-bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* ── Login Page ────────────────────────────────────────────── */
.login-wrapper {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}
.login-card {
  background: var(--card-bg); border-radius: 16px; padding: 48px;
  width: 100%; max-width: 420px; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-card h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: 8px; }
.login-card p { color: var(--text-secondary); margin-bottom: 32px; }
.login-card .logo { font-size: 2rem; font-weight: 700; color: var(--accent); margin-bottom: 24px; }

/* ── Form Inputs ───────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 500; margin-bottom: 6px; color: var(--text-secondary); font-size: 0.857rem; }
.form-input {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--card-border);
  border-radius: 8px; font-size: 1rem; font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: var(--card-bg);
}
.form-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(59,130,246,0.15); }
.form-input::placeholder { color: #94a3b8; }
select.form-input { cursor: pointer; }
textarea.form-input { resize: vertical; min-height: 80px; }

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 20px; border: none; border-radius: 8px;
  font-size: 0.929rem; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: all 0.2s; text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2563eb; }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-outline { background: transparent; border: 1.5px solid var(--card-border); color: var(--text-primary); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 6px 12px; font-size: 0.786rem; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width); background: var(--sb-bg);
  display: flex; flex-direction: column; position: fixed;
  top: 0; left: 0; bottom: 0; z-index: 100; overflow-y: auto;
  transition: transform 0.3s;
}
.sidebar-header {
  padding: 20px 24px; border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-header .logo { font-size: 1.25rem; font-weight: 700; color: #fff; }
.sidebar-header .badge { font-size: 0.65rem; background: var(--accent); color: #fff; padding: 2px 8px; border-radius: 20px; }
.sidebar-nav { flex: 1; padding: 16px 12px; }
.sidebar-nav .nav-section { font-size: 0.714rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: #475569; padding: 16px 12px 8px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px;
  border-radius: 8px; color: var(--sb-text); text-decoration: none;
  font-size: 0.929rem; font-weight: 500; cursor: pointer;
  transition: all 0.15s; margin-bottom: 2px;
}
.nav-item:hover { background: var(--sb-bg-hover); color: var(--sb-text-active); }
.nav-item.active { background: var(--sb-active); color: var(--sb-text-active); }
.nav-item .icon { width: 20px; text-align: center; font-size: 1rem; }
.nav-item .badge-count {
  margin-left: auto; background: var(--red); color: #fff;
  font-size: 0.714rem; font-weight: 600; padding: 1px 7px; border-radius: 10px;
}
.sidebar-footer { padding: 16px 24px; border-top: 1px solid rgba(255,255,255,0.06); }
.sidebar-footer .user-info { display: flex; align-items: center; gap: 10px; color: var(--sb-text); font-size: 0.857rem; }
.sidebar-footer .user-avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 600; font-size: 0.857rem; }

/* Main content */
.main-content { flex: 1; margin-left: var(--sidebar-width); }
.topbar {
  height: var(--topbar-height); background: var(--topbar-bg);
  border-bottom: 1px solid var(--card-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; position: sticky; top: 0; z-index: 50;
}
.topbar h2 { font-size: 1.15rem; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 12px; }
.content-area { padding: 24px 32px; }

/* ── Cards ─────────────────────────────────────────────────── */
.card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 24px;
}
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.card-header h3 { font-size: 1rem; font-weight: 600; }
.card-grid { display: grid; gap: 20px; }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* Stat Cards */
.stat-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 12px; padding: 20px;
}
.stat-card .stat-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 1.15rem; margin-bottom: 12px; }
.stat-card .stat-value { font-size: 1.75rem; font-weight: 700; margin-bottom: 4px; }
.stat-card .stat-label { font-size: 0.857rem; color: var(--text-secondary); }
.stat-card .stat-change { font-size: 0.786rem; font-weight: 500; margin-top: 8px; }
.stat-change.up { color: var(--green); }
.stat-change.down { color: var(--red); }

/* ── Status Badges ─────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px; font-size: 0.786rem; font-weight: 600;
}
.badge-online { background: rgba(16,185,129,0.1); color: var(--green); }
.badge-offline { background: rgba(239,68,68,0.1); color: var(--red); }
.badge-maintenance { background: rgba(245,158,11,0.1); color: var(--amber); }
.badge-unknown { background: rgba(100,116,139,0.1); color: var(--text-secondary); }
.badge-dot { width: 6px; height: 6px; border-radius: 50%; }
.badge-online .badge-dot { background: var(--green); }
.badge-offline .badge-dot { background: var(--red); }
.badge-maintenance .badge-dot { background: var(--amber); }
.badge-unknown .badge-dot { background: var(--text-secondary); }

.badge-info { background: rgba(59,130,246,0.1); color: var(--accent); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--amber); }
.badge-critical { background: rgba(239,68,68,0.1); color: var(--red); }
.badge-resolved { background: rgba(16,185,129,0.1); color: var(--green); }

/* ── Tables ────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left; padding: 12px 16px; font-size: 0.786rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-secondary);
  border-bottom: 2px solid var(--card-border); white-space: nowrap;
}
tbody td {
  padding: 12px 16px; border-bottom: 1px solid var(--card-border);
  font-size: 0.929rem; vertical-align: middle;
}
tbody tr:hover { background: #f1f5f9; }
tbody tr:last-child td { border-bottom: none; }

/* ── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: none;
  align-items: center; justify-content: center; z-index: 1000;
  backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--card-bg); border-radius: 16px; padding: 32px;
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 24px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 24px; }

/* ── Toast Notifications ───────────────────────────────────── */
.toast-container { position: fixed; top: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 14px 20px; border-radius: 10px; font-size: 0.929rem; font-weight: 500;
  color: #fff; animation: slideIn 0.3s ease; min-width: 280px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.toast-success { background: var(--green); }
.toast-error { background: var(--red); }
.toast-warning { background: var(--amber); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ── Performance Score ─────────────────────────────────────── */
.perf-score {
  width: 60px; height: 60px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 1.15rem;
  font-weight: 700; border: 3px solid;
}
.perf-excellent { border-color: var(--green); color: var(--green); }
.perf-good { border-color: var(--accent); color: var(--accent); }
.perf-warning { border-color: var(--amber); color: var(--amber); }
.perf-poor { border-color: var(--red); color: var(--red); }

/* ── Charts ────────────────────────────────────────────────── */
.chart-container { position: relative; min-height: 250px; }

/* ── Search & Filters ──────────────────────────────────────── */
.search-bar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap;
}
.search-input {
  flex: 1; min-width: 200px; padding: 8px 14px; border: 1.5px solid var(--card-border);
  border-radius: 8px; font-size: 0.929rem; font-family: inherit;
}
.search-input:focus { outline: none; border-color: var(--accent); }
.filter-select {
  padding: 8px 14px; border: 1.5px solid var(--card-border);
  border-radius: 8px; font-size: 0.929rem; font-family: inherit; cursor: pointer;
}

/* ── Uptime Heatmap (Status Page) ──────────────────────────── */
.uptime-bar { display: flex; gap: 2px; margin: 12px 0; }
.uptime-day {
  flex: 1; height: 32px; border-radius: 3px; cursor: pointer;
  transition: transform 0.1s;
}
.uptime-day:hover { transform: scaleY(1.3); }
.uptime-day.good { background: var(--green); }
.uptime-day.degraded { background: var(--amber); }
.uptime-day.bad { background: var(--red); }
.uptime-day.no-data { background: #e2e8f0; }

/* ── Responsive ────────────────────────────────────────────── */
.mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-primary); cursor: pointer; }

@media (max-width: 1024px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .mobile-toggle { display: block; }
  .card-grid-4, .card-grid-3 { grid-template-columns: 1fr; }
  .content-area { padding: 16px; }
  .topbar { padding: 0 16px; }
}

/* ── Status Page Specific ──────────────────────────────────── */
.status-page { max-width: 900px; margin: 0 auto; padding: 40px 20px; }
.status-page .status-header { text-align: center; margin-bottom: 40px; }
.status-page .status-header h1 { font-size: 1.75rem; font-weight: 700; }
.status-overall {
  padding: 20px; border-radius: 12px; text-align: center; margin-bottom: 32px;
  font-size: 1.15rem; font-weight: 600;
}
.status-overall.operational { background: rgba(16,185,129,0.1); color: var(--green); }
.status-overall.degraded { background: rgba(245,158,11,0.1); color: var(--amber); }
.status-overall.major_outage { background: rgba(239,68,68,0.1); color: var(--red); }
.status-overall.maintenance { background: rgba(139,92,246,0.1); color: var(--purple); }

.service-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; border-bottom: 1px solid var(--card-border);
}
.service-item:last-child { border-bottom: none; }

.incident-card { padding: 20px; border-left: 3px solid; margin-bottom: 16px; border-radius: 0 8px 8px 0; background: var(--card-bg); }
.incident-card.minor { border-color: var(--amber); }
.incident-card.major { border-color: #f97316; }
.incident-card.critical { border-color: var(--red); }

.timeline-item { padding: 12px 0 12px 24px; border-left: 2px solid var(--card-border); position: relative; }
.timeline-item::before {
  content: ''; position: absolute; left: -5px; top: 16px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.timeline-item .time { font-size: 0.786rem; color: var(--text-secondary); }

/* ── Utility ───────────────────────────────────────────────── */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: 0.857rem; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }
.copy-btn { background: none; border: none; cursor: pointer; color: var(--accent); font-size: 0.857rem; padding: 2px 6px; }
.copy-btn:hover { text-decoration: underline; }

/* Loading spinner */
.spinner { width: 24px; height: 24px; border: 3px solid var(--card-border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.6s linear infinite; margin: 20px auto; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-secondary); }
.empty-state .icon { font-size: 3rem; margin-bottom: 16px; }

/* ============================================================
   v2.1 Extensions — Monthly Report + Network summary
   ============================================================ */
.v21-range-buttons {
  display: inline-flex; gap: 4px; background: var(--card-bg);
  border: 1.5px solid var(--card-border); border-radius: 8px; padding: 3px;
  margin-left: auto;
}
.v21-range-btn {
  padding: 6px 14px; background: transparent; border: none;
  font-size: 0.857rem; font-weight: 500; font-family: inherit;
  color: var(--text-secondary); border-radius: 6px; cursor: pointer;
  transition: all 0.15s;
}
.v21-range-btn:hover { background: rgba(59, 130, 246, 0.06); color: var(--text-primary); }
.v21-range-btn.active { background: var(--accent); color: #fff; }

.v21-summary-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 16px; margin-bottom: 16px;
}
.v21-summary-item { display: flex; flex-direction: column; gap: 4px; }
.v21-summary-label { font-size: 0.786rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.03em; }
.v21-summary-value { font-size: 1.15rem; font-weight: 700; color: var(--text-primary); }

@media (max-width: 768px) {
  .v21-summary-grid { grid-template-columns: repeat(2, 1fr); }
  .v21-range-buttons { width: 100%; margin-left: 0; justify-content: space-between; }
  .v21-range-btn { flex: 1; }
}