/* 
   NetInspect CSS Stylesheet
   Designed for premium, dark-mode, glassmorphism UI with neon accents.
*/

:root {
  --bg-color: #060913;
  --panel-bg: rgba(16, 23, 42, 0.65);
  --panel-border: rgba(255, 255, 255, 0.08);
  --panel-hover-border: rgba(0, 242, 254, 0.3);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-purple: #9d4edd;
  
  --color-success: #00e676;
  --color-danger: #ff4757;
  --color-warning: #ffa502;
  --color-info: #00bcd4;
  
  --gradient-primary: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
  --gradient-purple: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-blue) 100%);
  --gradient-card: linear-gradient(180deg, rgba(16, 23, 42, 0.8) 0%, rgba(10, 15, 30, 0.9) 100%);
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 15px 40px rgba(0, 0, 0, 0.5);
  --shadow-neon: 0 0 15px rgba(0, 242, 254, 0.25);
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, rgba(79, 172, 254, 0.08) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(157, 78, 221, 0.08) 0px, transparent 50%);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* Header & Container */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 1.5rem;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--panel-border);
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  font-size: 1.75rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: pulse-glow 3s infinite alternate;
}

.logo-section h1 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #fff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.2);
}

.header-actions {
  display: flex;
  gap: 1rem;
}

/* Glassmorphism Panel style */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* Top IP Info Card banner */
.ip-hero-card {
  margin-bottom: 2rem;
  padding: 1.5rem 2rem;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  background: var(--gradient-card);
  position: relative;
  overflow: hidden;
}

.ip-hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.hero-main-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.ip-globe-icon {
  font-size: 3rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-text-block h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
}

.hero-ip-display {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ip-address-text {
  font-family: var(--font-mono);
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.copy-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.copy-btn:hover {
  background: rgba(0, 242, 254, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.hero-meta-grid {
  display: flex;
  gap: 2.5rem;
}

.meta-item {
  display: flex;
  flex-direction: column;
}

.meta-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.25rem;
}

.meta-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
}

.security-badge.clean {
  background: rgba(0, 230, 118, 0.1);
  color: var(--color-success);
  border: 1px solid rgba(0, 230, 118, 0.2);
}

.security-badge.warning {
  background: rgba(255, 71, 87, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(255, 71, 87, 0.2);
}

/* Dashboard Layout Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .ip-hero-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }
  .hero-meta-grid {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
  }
}

/* Tabs styles */
.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--panel-border);
  overflow-x: auto;
  gap: 0.5rem;
  padding: 0.5rem 1rem 0 1rem;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 1rem 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-cyan);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 3px 3px 0 0;
}

.tabs-content {
  padding: 2rem;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn var(--transition-normal);
}

/* Forms & Inputs styling */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-with-button {
  display: flex;
  gap: 0.75rem;
}

.input-control {
  flex: 1;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  transition: all var(--transition-fast);
}

.input-control:focus {
  outline: none;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.15);
  background: rgba(15, 23, 42, 0.95);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #060913;
  font-weight: 700;
  border: none;
  padding: 0 1.5rem;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-neon);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.85rem 1.25rem;
  border-radius: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Outputs & Details */
.output-card {
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.output-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 640px) {
  .grid-2col {
    grid-template-columns: 1fr;
  }
}

.info-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
}

.info-value {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  text-align: right;
  word-break: break-all;
  max-width: 60%;
}

.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }

/* Left Geolocation details / Map section details */
.sidebar-panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.map-container-panel {
  padding: 0;
  overflow: hidden;
  height: 380px;
  position: relative;
}

#map {
  width: 100%;
  height: 100%;
  z-index: 1;
  background: #111;
}

/* Custom styles for Leaflet */
.leaflet-container {
  font-family: var(--font-sans) !important;
}

.leaflet-bar {
  border: 1px solid var(--panel-border) !important;
  border-radius: 8px !important;
  overflow: hidden;
}

.leaflet-bar a {
  background-color: var(--panel-bg) !important;
  color: var(--text-primary) !important;
  border-bottom: 1px solid var(--panel-border) !important;
  transition: background var(--transition-fast) !important;
}

.leaflet-bar a:hover {
  background-color: rgba(255, 255, 255, 0.1) !important;
  color: var(--accent-cyan) !important;
}

.leaflet-popup-content-wrapper {
  background: var(--panel-bg) !important;
  backdrop-filter: blur(12px) !important;
  color: var(--text-primary) !important;
  border: 1px solid var(--panel-border) !important;
  border-radius: 10px !important;
  box-shadow: var(--shadow-md) !important;
}

.leaflet-popup-tip {
  background: rgba(16, 23, 42, 0.9) !important;
}

.geo-details-panel {
  padding: 1.5rem;
}

.security-threat-card {
  padding: 1rem 1.25rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
}

.security-threat-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.security-threat-left i {
  font-size: 1.25rem;
}

/* DNS Tab details */
.dns-results-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  text-align: left;
}

.dns-results-table th {
  padding: 0.75rem 1rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--panel-border);
}

.dns-results-table td {
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  color: var(--text-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  word-break: break-all;
}

.dns-results-table tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.dns-type-badge {
  background: var(--gradient-purple);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
}

.select-control {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  outline: none;
  cursor: pointer;
}

.select-control:focus {
  border-color: var(--accent-cyan);
}

/* Subnet Calculator specific */
.subnet-output-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .subnet-output-grid {
    grid-template-columns: 1fr;
  }
}

.subnet-binary-row {
  font-family: var(--font-mono);
  background: rgba(0, 0, 0, 0.2);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.02);
  font-size: 0.85rem;
  margin-top: 0.25rem;
  word-break: break-all;
  color: var(--accent-cyan);
}

/* Latency tester styling */
.latency-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.latency-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.latency-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.latency-endpoint-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.15rem;
}

.latency-endpoint-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.latency-value-block {
  text-align: right;
}

.latency-time {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.latency-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  margin-right: 0.5rem;
}

.latency-status-dot.active {
  animation: pulse-dot 1.5s infinite;
}

.latency-status-dot.green { background-color: var(--color-success); }
.latency-status-dot.yellow { background-color: var(--color-warning); }
.latency-status-dot.red { background-color: var(--color-danger); }

/* Latency Chart visualization */
.latency-visualizer {
  height: 120px;
  background: rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 10px;
  margin-top: 1.5rem;
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 1rem 1.5rem;
}

.latency-bar-item {
  flex: 1;
  max-width: 24px;
  margin: 0 4px;
  background: var(--gradient-primary);
  border-radius: 4px 4px 0 0;
  height: 0;
  transition: height 0.5s ease-out;
  position: relative;
  min-height: 4px;
}

.latency-bar-item::after {
  content: attr(data-label);
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.latency-bar-item:hover::before {
  content: attr(data-value) "ms";
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  font-weight: 700;
  background: var(--accent-cyan);
  color: #060913;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  pointer-events: none;
}

/* User Agent Tab specific */
.headers-container {
  margin-top: 1rem;
}

.json-view {
  background: #090e1a;
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  color: #e2e8f0;
  overflow-x: auto;
  max-height: 450px;
}

/* WHOIS RDAP display */
.rdap-card {
  margin-top: 1.5rem;
}

.rdap-search-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
}

.rdap-accordion-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.rdap-accordion-trigger {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: 1rem 0;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.rdap-accordion-trigger:hover {
  color: var(--accent-cyan);
}

.rdap-accordion-content {
  display: none;
  padding: 0 0 1rem 0;
  animation: slideDown 0.2s ease-out;
}

.rdap-accordion-content.active {
  display: block;
}

.rdap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.15);
  border-radius: 8px;
}

.rdap-cell {
  display: flex;
  flex-direction: column;
}

.rdap-cell-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 0.15rem;
}

.rdap-cell-value {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-all;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
  0% { text-shadow: 0 0 10px rgba(0, 242, 254, 0.2); }
  100% { text-shadow: 0 0 20px rgba(0, 242, 254, 0.6), 0 0 30px rgba(79, 172, 254, 0.4); }
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.6; }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 8px currentColor; }
  100% { transform: scale(0.9); opacity: 0.6; }
}

/* Footer Section */
footer {
  text-align: center;
  padding: 2.5rem 0;
  margin-top: 4rem;
  border-top: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

footer a:hover {
  color: var(--accent-cyan);
}

/* Export popup / modal styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--bg-color);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 1.5rem;
}

.export-option-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.export-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.export-item:hover {
  border-color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.05);
}

.export-item i {
  font-size: 1.5rem;
}

.export-item-details h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.export-item-details p {
  font-size: 0.8rem;
  color: var(--text-muted);
}