/* =====================================================
   CLOUDNET IT SERVICES — MASTER STYLESHEET v2.0
   Professional IT MSP Platform
   ===================================================== */

:root {
  --cn-primary:    #1e3a8a;
  --cn-secondary:  #0f172a;
  --cn-accent:     #3b82f6;
  --cn-success:    #10b981;
  --cn-warning:    #f59e0b;
  --cn-danger:     #ef4444;
  --cn-info:       #06b6d4;
  --cn-dark:       #0f172a;
  --cn-sidebar:    #0d1b2a;
  --cn-sidebar-hover: #1b3a5c;
  --cn-sidebar-active:#2563eb;
  --cn-bg:         #f1f5f9;
  --cn-card:       #ffffff;
  --cn-border:     #e2e8f0;
  --cn-text:       #1e293b;
  --cn-muted:      #64748b;
  --cn-radius:     12px;
  --cn-shadow:     0 4px 20px rgba(0,0,0,0.08);
  --cn-shadow-lg:  0 8px 40px rgba(0,0,0,0.14);
  --sidebar-width: 260px;
  --topbar-height: 60px;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
       background: var(--cn-bg); color: var(--cn-text); margin: 0;
       overflow-x: hidden; font-size: 14px; }
a { text-decoration: none; }

/* =====================================================
   ADMIN LAYOUT — SIDEBAR + TOPBAR + CONTENT
   ===================================================== */

/* Sidebar */
.cn-sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--cn-sidebar);
  overflow-y: auto; overflow-x: hidden;
  z-index: 1050;
  transition: width 0.25s ease;
  scrollbar-width: thin; scrollbar-color: #1e3a8a transparent;
}
.cn-sidebar::-webkit-scrollbar { width: 4px; }
.cn-sidebar::-webkit-scrollbar-thumb { background: #1e3a8a; border-radius: 4px; }

.cn-sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  color: #fff; font-size: 16px; font-weight: 700;
}
.cn-sidebar-brand img { width: 36px; height: 36px; border-radius: 8px; object-fit: contain; }
.cn-sidebar-brand span { color: #3b82f6; }

/* Nav sections */
.cn-nav-section { padding: 10px 14px 4px; }
.cn-nav-label {
  font-size: 10px; font-weight: 700; letter-spacing: 1.2px;
  color: rgba(255,255,255,0.35); text-transform: uppercase;
  padding: 0 8px; margin-bottom: 4px;
}
.cn-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin-bottom: 2px;
  border-radius: 8px; color: rgba(255,255,255,0.7);
  font-size: 13.5px; font-weight: 500;
  transition: all 0.18s ease; cursor: pointer;
  white-space: nowrap;
}
.cn-nav-link i { font-size: 16px; min-width: 20px; text-align: center; }
.cn-nav-link:hover { background: var(--cn-sidebar-hover); color: #fff; }
.cn-nav-link.active { background: var(--cn-sidebar-active); color: #fff; box-shadow: 0 2px 8px rgba(37,99,235,0.35); }
.cn-nav-badge { margin-left: auto; background: var(--cn-danger); color: #fff;
  font-size: 10px; padding: 1px 6px; border-radius: 10px; }

/* Topbar */
.cn-topbar {
  position: fixed; top: 0; right: 0;
  left: var(--sidebar-width);
  height: var(--topbar-height);
  background: #fff; border-bottom: 1px solid var(--cn-border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; z-index: 1040;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
  transition: left 0.25s ease;
}
.cn-topbar-left { display: flex; align-items: center; gap: 12px; }
.cn-topbar-right { display: flex; align-items: center; gap: 16px; }
.cn-topbar-title { font-size: 16px; font-weight: 700; color: var(--cn-text); }
.cn-topbar-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: var(--cn-bg); color: var(--cn-muted);
  border: none; cursor: pointer; position: relative;
  transition: background 0.15s;
}
.cn-topbar-icon:hover { background: var(--cn-accent); color: #fff; }
.cn-topbar-icon .badge-dot {
  position: absolute; top: 4px; right: 4px;
  width: 8px; height: 8px; background: var(--cn-danger);
  border-radius: 50%; border: 2px solid #fff;
}
.cn-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--cn-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; cursor: pointer;
}

/* Main Content */
.cn-content {
  margin-left: var(--sidebar-width);
  margin-top: var(--topbar-height);
  padding: 28px;
  min-height: calc(100vh - var(--topbar-height));
}

/* =====================================================
   CARDS
   ===================================================== */
.cn-card {
  background: var(--cn-card); border-radius: var(--cn-radius);
  box-shadow: var(--cn-shadow); border: 1px solid var(--cn-border);
  overflow: hidden;
}
.cn-card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--cn-border);
  display: flex; align-items: center; justify-content: space-between;
  background: #fff;
}
.cn-card-header h6 { margin: 0; font-size: 14px; font-weight: 700; color: var(--cn-text); }
.cn-card-body { padding: 20px; }

/* Stat cards */
.cn-stat-card {
  background: var(--cn-card); border-radius: var(--cn-radius);
  box-shadow: var(--cn-shadow); padding: 20px;
  border: 1px solid var(--cn-border);
  position: relative; overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.cn-stat-card:hover { transform: translateY(-2px); box-shadow: var(--cn-shadow-lg); }
.cn-stat-card .stat-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 12px;
}
.cn-stat-card .stat-value { font-size: 28px; font-weight: 800; color: var(--cn-text); line-height: 1; }
.cn-stat-card .stat-label { font-size: 12px; color: var(--cn-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
.cn-stat-card .stat-change { font-size: 12px; margin-top: 6px; }
.cn-stat-card .stat-change.up   { color: var(--cn-success); }
.cn-stat-card .stat-change.down { color: var(--cn-danger); }
.cn-stat-card::after {
  content: ''; position: absolute; right: -20px; top: -20px;
  width: 80px; height: 80px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
}

/* Color variants */
.bg-primary-soft { background: rgba(30,58,138,0.1); color: var(--cn-primary); }
.bg-success-soft { background: rgba(16,185,129,0.1); color: var(--cn-success); }
.bg-warning-soft { background: rgba(245,158,11,0.1); color: var(--cn-warning); }
.bg-danger-soft  { background: rgba(239,68,68,0.1);  color: var(--cn-danger);  }
.bg-info-soft    { background: rgba(6,182,212,0.1);  color: var(--cn-info);    }
.bg-purple-soft  { background: rgba(139,92,246,0.1); color: #8b5cf6;           }

/* =====================================================
   TABLES
   ===================================================== */
.cn-table { width: 100%; border-collapse: separate; border-spacing: 0; }
.cn-table thead tr { background: #f8fafc; }
.cn-table thead th {
  padding: 11px 16px; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.7px;
  color: var(--cn-muted); border-bottom: 2px solid var(--cn-border);
  white-space: nowrap;
}
.cn-table tbody tr { transition: background 0.12s; border-bottom: 1px solid var(--cn-border); }
.cn-table tbody tr:hover { background: #f8fafc; }
.cn-table tbody td { padding: 13px 16px; font-size: 13.5px; color: var(--cn-text); vertical-align: middle; }
.cn-table tbody tr:last-child td { border-bottom: none; }

/* =====================================================
   BADGES & STATUS
   ===================================================== */
.cn-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; text-transform: capitalize;
}
.cn-badge-active, .cn-badge-paid, .cn-badge-resolved, .cn-badge-verified {
  background: rgba(16,185,129,0.12); color: #059669; }
.cn-badge-inactive, .cn-badge-cancelled, .cn-badge-closed {
  background: rgba(100,116,139,0.12); color: var(--cn-muted); }
.cn-badge-pending, .cn-badge-draft, .cn-badge-new, .cn-badge-open {
  background: rgba(245,158,11,0.12); color: #d97706; }
.cn-badge-overdue, .cn-badge-critical, .cn-badge-expired, .cn-badge-terminated {
  background: rgba(239,68,68,0.12); color: #dc2626; }
.cn-badge-inprogress, .cn-badge-sent, .cn-badge-partial {
  background: rgba(6,182,212,0.12); color: #0891b2; }
.cn-badge-accepted, .cn-badge-converted, .cn-badge-won {
  background: rgba(30,58,138,0.12); color: var(--cn-primary); }

/* Priority badges */
.priority-low      { background: rgba(16,185,129,0.12); color: #059669; }
.priority-medium   { background: rgba(245,158,11,0.12); color: #d97706; }
.priority-high     { background: rgba(239,68,68,0.12);  color: #dc2626; }
.priority-critical { background: rgba(220,38,38,0.2);   color: #991b1b; font-weight:800; }

/* =====================================================
   FORMS
   ===================================================== */
.cn-form-label { font-size: 12px; font-weight: 700; color: var(--cn-muted);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.cn-form-control {
  border: 1.5px solid var(--cn-border); border-radius: 8px;
  padding: 9px 14px; font-size: 14px; color: var(--cn-text);
  width: 100%; background: #fff; transition: border-color 0.15s, box-shadow 0.15s;
}
.cn-form-control:focus {
  outline: none; border-color: var(--cn-accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}
.cn-form-control.is-invalid { border-color: var(--cn-danger); }
.cn-form-control.is-valid   { border-color: var(--cn-success); }
select.cn-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 12px center; padding-right: 36px;
}

/* =====================================================
   BUTTONS
   ===================================================== */
.cn-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: 8px; font-size: 13px;
  font-weight: 600; border: none; cursor: pointer;
  transition: all 0.18s ease; white-space: nowrap;
}
.cn-btn-primary   { background: var(--cn-primary); color: #fff; }
.cn-btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(30,58,138,0.3); }
.cn-btn-success   { background: var(--cn-success); color: #fff; }
.cn-btn-success:hover { background: #059669; }
.cn-btn-danger    { background: var(--cn-danger);  color: #fff; }
.cn-btn-danger:hover  { background: #dc2626; }
.cn-btn-warning   { background: var(--cn-warning); color: #fff; }
.cn-btn-info      { background: var(--cn-info);    color: #fff; }
.cn-btn-dark      { background: var(--cn-dark);    color: #fff; }
.cn-btn-outline   { background: transparent; border: 1.5px solid var(--cn-border); color: var(--cn-text); }
.cn-btn-outline:hover { background: var(--cn-bg); border-color: var(--cn-accent); color: var(--cn-accent); }
.cn-btn-sm { padding: 5px 12px; font-size: 12px; }
.cn-btn-lg { padding: 12px 28px; font-size: 15px; }
.cn-btn-icon { padding: 7px; min-width: 34px; justify-content: center; }

/* =====================================================
   ALERTS
   ===================================================== */
.cn-alert {
  padding: 13px 18px; border-radius: 10px; margin-bottom: 16px;
  display: flex; align-items: flex-start; gap: 10px; font-size: 13.5px;
}
.cn-alert i { margin-top: 1px; font-size: 16px; flex-shrink: 0; }
.cn-alert-success { background: rgba(16,185,129,0.1); color: #065f46; border-left: 4px solid var(--cn-success); }
.cn-alert-danger  { background: rgba(239,68,68,0.1);  color: #991b1b; border-left: 4px solid var(--cn-danger);  }
.cn-alert-warning { background: rgba(245,158,11,0.1); color: #92400e; border-left: 4px solid var(--cn-warning); }
.cn-alert-info    { background: rgba(6,182,212,0.1);  color: #155e75; border-left: 4px solid var(--cn-info);    }

/* =====================================================
   PAGE HEADER
   ===================================================== */
.cn-page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.cn-page-header h4 { margin: 0; font-size: 20px; font-weight: 800; color: var(--cn-text); }
.cn-page-header p  { margin: 2px 0 0; font-size: 13px; color: var(--cn-muted); }
.cn-breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--cn-muted); margin-bottom: 8px; }
.cn-breadcrumb a { color: var(--cn-accent); }
.cn-breadcrumb span { color: var(--cn-muted); }

/* =====================================================
   SEARCH & FILTER BAR
   ===================================================== */
.cn-filter-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 14px 20px; background: #fff;
  border-bottom: 1px solid var(--cn-border);
}
.cn-search-box {
  position: relative; flex: 1; min-width: 200px;
}
.cn-search-box i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--cn-muted); }
.cn-search-box input { padding-left: 36px; }

/* =====================================================
   KNOWLEDGE BASE SPECIFIC
   ===================================================== */
.vendor-card {
  border-radius: 14px; overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer; border: 2px solid transparent;
}
.vendor-card:hover { transform: translateY(-4px); box-shadow: var(--cn-shadow-lg); }
.vendor-card.selected { border-color: var(--cn-accent); }
.vendor-card .vendor-logo {
  height: 80px; display: flex; align-items: center; justify-content: center;
  font-size: 32px; font-weight: 900;
}
.vendor-card .vendor-body { padding: 14px; }
.vendor-card .vendor-name { font-size: 14px; font-weight: 700; }
.vendor-card .vendor-meta { font-size: 11px; color: var(--cn-muted); margin-top: 3px; }

.kb-command-block {
  background: #0f172a; border-radius: 10px; padding: 16px 20px;
  font-family: 'Courier New', Consolas, monospace;
  color: #e2e8f0; font-size: 13.5px; line-height: 1.7;
  position: relative; margin: 10px 0;
}
.kb-command-block .copy-btn {
  position: absolute; top: 10px; right: 10px;
  background: rgba(255,255,255,0.1); border: none; color: #e2e8f0;
  border-radius: 6px; padding: 4px 10px; font-size: 12px; cursor: pointer;
}
.kb-command-block .copy-btn:hover { background: rgba(255,255,255,0.2); }
.kb-command-prompt { color: #10b981; }

.cert-track-card {
  border-radius: 14px; padding: 20px;
  border: 2px solid transparent; cursor: pointer;
  transition: all 0.2s;
}
.cert-track-card:hover, .cert-track-card.active { border-color: var(--cn-accent); transform: translateY(-2px); }

.step-block {
  display: flex; gap: 16px; margin-bottom: 20px;
}
.step-number {
  width: 32px; height: 32px; border-radius: 50%; background: var(--cn-primary);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700; flex-shrink: 0;
}
.step-content { flex: 1; }
.step-content h6 { margin: 0 0 6px; font-size: 14px; font-weight: 700; }
.step-content p  { margin: 0; font-size: 13px; color: var(--cn-muted); }

/* =====================================================
   HR / OFFER LETTER SPECIFIC
   ===================================================== */
.offer-letter-preview {
  background: #fff; border: 1px solid #ddd; padding: 40px 50px;
  max-width: 750px; margin: 0 auto; font-family: 'Georgia', serif;
  font-size: 13px; line-height: 1.8; color: #222;
  box-shadow: 0 4px 30px rgba(0,0,0,0.12);
}
.offer-letter-preview .letter-header { border-bottom: 3px solid var(--cn-primary); padding-bottom: 16px; margin-bottom: 24px; }
.offer-letter-preview .letter-title  { font-size: 18px; font-weight: 700; color: var(--cn-primary); text-align: center; margin: 20px 0; text-decoration: underline; }
.offer-letter-preview .company-name  { font-size: 22px; font-weight: 900; color: var(--cn-primary); }
.offer-letter-preview .company-sub   { font-size: 12px; color: var(--cn-muted); }
.offer-letter-preview table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.offer-letter-preview table td { padding: 7px 12px; border: 1px solid #e2e8f0; font-size: 12.5px; }
.offer-letter-preview table td:first-child { font-weight: 600; background: #f8fafc; width: 40%; }
.offer-letter-preview .signature-area { margin-top: 40px; display: flex; justify-content: space-between; }
.offer-letter-preview .signature-box  { text-align: center; }
.offer-letter-preview .signature-line { border-top: 1px solid #333; padding-top: 6px; margin-top: 50px; font-size: 12px; }

.verification-result {
  max-width: 580px; margin: 0 auto;
  border-radius: 16px; overflow: hidden; box-shadow: var(--cn-shadow-lg);
}
.verification-result .result-header { padding: 24px; color: #fff; text-align: center; }
.verification-result .result-body   { padding: 28px; background: #fff; }

/* =====================================================
   TOOLS
   ===================================================== */
.tool-card { border-radius: 14px; padding: 24px; cursor: pointer; transition: all 0.2s; }
.tool-card:hover { transform: translateY(-3px); box-shadow: var(--cn-shadow-lg); }
.tool-card .tool-icon { font-size: 36px; margin-bottom: 14px; }
.tool-card h6 { font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.tool-card p  { font-size: 12px; color: var(--cn-muted); margin: 0; }

.subnet-result table { border-collapse: collapse; width: 100%; }
.subnet-result td    { padding: 8px 14px; border-bottom: 1px solid var(--cn-border); font-size: 13px; }
.subnet-result td:first-child { font-weight: 700; color: var(--cn-muted); font-size: 11px; text-transform: uppercase; width: 40%; }

/* =====================================================
   SIDEBAR MOBILE TOGGLE
   ===================================================== */
.cn-sidebar-toggle {
  display: none; background: none; border: none; padding: 4px 8px;
  font-size: 20px; cursor: pointer; color: var(--cn-text);
}
@media (max-width: 992px) {
  .cn-sidebar { transform: translateX(-100%); transition: transform 0.25s ease; }
  .cn-sidebar.open { transform: translateX(0); }
  .cn-topbar { left: 0; }
  .cn-content { margin-left: 0; }
  .cn-sidebar-toggle { display: block; }
  .cn-sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.5); z-index: 1049;
  }
  .cn-sidebar-overlay.visible { display: block; }
}

/* =====================================================
   PRINT STYLES (for letters & PDFs)
   ===================================================== */
@media print {
  .cn-sidebar, .cn-topbar, .cn-btn, .no-print { display: none !important; }
  .cn-content { margin: 0 !important; padding: 0 !important; }
  .offer-letter-preview { box-shadow: none; border: none; }
}

/* =====================================================
   UTILITY
   ===================================================== */
.fw-800 { font-weight: 800; }
.text-cn-primary { color: var(--cn-primary) !important; }
.text-cn-accent  { color: var(--cn-accent) !important; }
.bg-cn-dark      { background: var(--cn-dark) !important; }
.rounded-cn      { border-radius: var(--cn-radius) !important; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }

/* Scroll to top smoothly */
html { scroll-behavior: smooth; }

/* Scrollbar global */
::-webkit-scrollbar       { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }