/* ==========================================================================
   CONCENTRADOR VPN ENTERPRISE v10.0 - CYBER-ENTERPRISE DESIGN SYSTEM
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;600;700&family=Outfit:wght@500;600;700;800;900&display=swap');

:root {
  --bg-deep: #05080f;
  --bg-main: #090e1a;
  --card-bg: rgba(15, 23, 42, 0.82);
  --card-hover: rgba(23, 37, 68, 0.9);
  --card-inner: rgba(10, 16, 30, 0.9);
  --border: rgba(51, 65, 85, 0.6);
  --border-focus: #f59e0b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --accent-glow: rgba(245, 158, 11, 0.35);
  --cyan: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.3);
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.3);
  --blue: #3b82f6;
  --danger: #ef4444;
  --danger-glow: rgba(239, 68, 68, 0.25);
  --radius: 16px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(245, 158, 11, 0.15), transparent 45%),
    radial-gradient(circle at 85% 10%, rgba(6, 182, 212, 0.12), transparent 45%),
    linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-main) 100%);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  padding-bottom: 60px;
}

.oculto { display: none !important; }
.muted { color: var(--muted); }

/* Top Navbar */
.topbar {
  background: rgba(9, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'Outfit', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}
.brand .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #ea580c);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 15px var(--accent-glow);
}
.status-pill {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34d399;
  font-size: 11px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 99px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

/* Navigation Tabs */
.nav-bar {
  max-width: 1360px;
  margin: 24px auto 20px;
  padding: 0 20px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.nav-tab {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 12px 20px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-tab:hover {
  background: var(--card-hover);
  color: #fff;
  transform: translateY(-2px);
  border-color: #64748b;
}
.nav-tab.active {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.05));
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.2);
}

/* Main Container */
.main-content {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}
.page-header h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 30px;
  font-weight: 900;
  margin: 0;
  letter-spacing: -0.03em;
  background: linear-gradient(90deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* KPI Summary Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.kpi-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.kpi-card .kpi-label {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.08em;
}
.kpi-card .kpi-value {
  font-family: 'Outfit', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  margin-top: 6px;
}
.kpi-card .kpi-sub {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}

/* Glass Cards */
.card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  overflow: hidden;
}
.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: #fff;
}
.card-body {
  padding: 24px;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}
th {
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
td {
  padding: 16px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
  font-size: 14px;
  vertical-align: middle;
}
tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Tags & Badges */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.tag.green { background: rgba(16, 185, 129, 0.15); color: #34d399; border-color: rgba(16, 185, 129, 0.3); }
.tag.amber { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border-color: rgba(245, 158, 11, 0.3); }
.tag.cyan { background: rgba(6, 182, 212, 0.15); color: #22d3ee; border-color: rgba(6, 182, 212, 0.3); }
.tag.blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border-color: rgba(59, 130, 246, 0.3); }
.tag.red { background: rgba(239, 68, 68, 0.15); color: #f87171; border-color: rgba(239, 68, 68, 0.3); }

/* Code / IP */
code.ip {
  font-family: 'JetBrains Mono', monospace;
  background: rgba(0, 0, 0, 0.4);
  color: var(--cyan);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 13px;
  border: 1px solid rgba(6, 182, 212, 0.25);
}

/* Buttons */
button {
  background: var(--card-inner);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 18px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
button:hover {
  transform: translateY(-2px);
  background: var(--card-hover);
  border-color: #64748b;
}
button.primary {
  background: linear-gradient(135deg, var(--accent), #ea580c);
  color: #000;
  border: none;
  box-shadow: 0 4px 18px var(--accent-glow);
}
button.primary:hover {
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.5);
}
button.blue {
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  border: none;
}
button.green {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #000;
  border: none;
  box-shadow: 0 4px 18px var(--emerald-glow);
}
button.danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}
button.danger:hover {
  background: var(--danger);
  color: #fff;
}
button.mini {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 8px;
}

/* Forms */
label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
input, select, textarea {
  width: 100%;
  background: rgba(5, 8, 15, 0.85);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  padding: 12px 16px;
  outline: none;
  font-size: 14px;
  transition: all 0.2s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}
textarea {
  min-height: 160px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  line-height: 1.6;
}
.row { margin-bottom: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* Platform Tabs in Form */
.platform-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.plat-tab {
  background: var(--card-inner);
  border: 2px solid var(--border);
  border-radius: 14px;
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.plat-tab:hover { border-color: #64748b; }
.plat-tab.active {
  border-color: var(--accent);
  background: rgba(245, 158, 11, 0.12);
  box-shadow: 0 4px 18px var(--accent-glow);
}
.plat-tab .icon { font-size: 26px; }
.plat-tab .name { font-weight: 800; font-size: 13px; color: #fff; margin-top: 6px; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, 0.82);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}
.modal-box {
  background: #0f172a;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.85);
  width: 100%;
  max-width: 780px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
}
.modal-title {
  font-family: 'Outfit', sans-serif;
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 20px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* QR Code Box */
.qrcode-box {
  background: #fff;
  padding: 20px;
  border-radius: 16px;
  display: inline-block;
  text-align: center;
  margin: 10px 0;
}

/* Login Screen */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%;
  max-width: 440px;
  background: var(--card-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 36px;
  box-shadow: var(--shadow);
}

/* Toast Notifications */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 10000;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  background: var(--surface);
  border: 1px solid var(--accent);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.75), 0 0 20px rgba(59, 130, 246, 0.35);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(0);
  opacity: 1;
}
.toast.erro {
  border-color: var(--danger);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.75), 0 0 20px rgba(239, 68, 68, 0.4);
}
.toast.oculto {
  transform: translateY(120%);
  opacity: 0;
  pointer-events: none;
}