/* ==========================================================================
   IP RADAR & INTELLIGENCE DASHBOARD - DESIGN SYSTEM
   Modern Glassmorphism, Dynamic Gradients & High-Tech Typography
   ========================================================================== */

:root {
  /* Color Palette - Dark Theme (Default) */
  --bg-primary: #0a0d14;
  --bg-secondary: #101622;
  --bg-tertiary: #182232;
  --card-bg: rgba(16, 23, 37, 0.75);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-hover-border: rgba(99, 102, 241, 0.4);
  --card-shadow: 0 16px 36px -10px rgba(0, 0, 0, 0.6);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-cyan: #06b6d4;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  --gradient-glow: linear-gradient(135deg, #06b6d4 0%, #6366f1 50%, #a855f7 100%);
  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%);
  --gradient-badge: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(6, 182, 212, 0.15));

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e2e8f0;
  --card-bg: rgba(255, 255, 255, 0.85);
  --card-border: rgba(0, 0, 0, 0.08);
  --card-hover-border: rgba(99, 102, 241, 0.5);
  --card-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.08);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --gradient-card: linear-gradient(180deg, rgba(255, 255, 255, 0.6) 0%, rgba(255, 255, 255, 0) 100%);
  --gradient-badge: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(6, 182, 212, 0.08));
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Background Ambient Glows */
body::before, body::after {
  content: '';
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(120px);
  opacity: 0.15;
}

body::before {
  top: -100px;
  left: 10%;
  background: radial-gradient(circle, var(--accent-cyan), transparent);
}

body::after {
  bottom: 10%;
  right: 5%;
  background: radial-gradient(circle, var(--accent-purple), transparent);
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */

.app-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */

.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--card-shadow);
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--gradient-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.4);
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text .tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Language Selector Dropdown */
.lang-select-box {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.55rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-normal);
}

.lang-select-box:hover, .lang-select-box:focus {
  border-color: var(--card-hover-border);
  background: var(--bg-secondary);
}

.lang-select-box option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-normal);
  text-decoration: none;
  outline: none;
}

.btn-icon-only {
  padding: 0.6rem;
  border-radius: var(--radius-md);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--card-border);
}

.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--card-hover-border);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--gradient-glow);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  transform: translateY(-1px);
}

.btn-accent {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(6, 182, 212, 0.3);
}

.btn-accent:hover {
  background: rgba(6, 182, 212, 0.2);
  border-color: var(--accent-cyan);
}

/* ==========================================================================
   Search Bar (IP / Domain Lookup)
   ========================================================================== */

.search-section {
  display: flex;
  gap: 0.75rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 0.5rem 0.75rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--card-shadow);
}

.search-input-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.5rem;
}

.search-icon {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.search-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.search-input::placeholder {
  color: var(--text-muted);
  font-family: var(--font-sans);
}

/* ==========================================================================
   Hero IP Card (Primary Display)
   ========================================================================== */

.hero-card {
  position: relative;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: border-color var(--transition-normal);
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-glow);
}

.hero-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-main-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.hero-ip-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.hero-ip-text {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.1;
  word-break: break-all;
  transition: color var(--transition-fast);
}

.hero-copy-btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--card-border);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all var(--transition-normal);
}

.hero-copy-btn:hover {
  background: var(--accent-indigo);
  color: #fff;
  border-color: var(--accent-indigo);
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(99, 102, 241, 0.4);
}

.hero-meta-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
}

.meta-pill strong {
  color: var(--text-primary);
  font-weight: 600;
}

.meta-pill .flag-icon {
  font-size: 1.15rem;
}

/* Secondary IP (e.g. IPv6 / Local IP Bar) */
.dual-ip-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--card-border);
}

.ip-channel-card {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.ip-channel-info {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  overflow: hidden;
}

.ip-channel-type {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-cyan);
}

.ip-channel-val {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ==========================================================================
   Dashboard Grid Layout
   ========================================================================== */

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 960px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.grid-col {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ==========================================================================
   Standard Card Component
   ========================================================================== */

.dash-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.dash-card:hover {
  border-color: var(--card-hover-border);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-title-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--gradient-badge);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-indigo);
  font-size: 1rem;
}

/* ==========================================================================
   Data List & Key-Value Pairs
   ========================================================================== */

.info-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
}

.info-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.info-value {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  word-break: break-word;
}

.info-value.mono {
  font-family: var(--font-mono);
}

/* ==========================================================================
   Interactive Map Component
   ========================================================================== */

.map-card-wrapper {
  overflow: hidden;
  padding: 0;
}

.map-card-header {
  padding: 1.25rem 1.5rem;
}

#map-container {
  width: 100%;
  height: 340px;
  background: var(--bg-tertiary);
  z-index: 1;
}

.leaflet-container {
  font-family: var(--font-sans);
}

/* Map Custom Styling for Dark Theme */
.map-dark-tiles {
  filter: brightness(0.85) invert(1) contrast(3) hue-rotate(200deg) saturate(0.35) brightness(0.7);
}

[data-theme="light"] .map-dark-tiles {
  filter: none;
}

.map-footer-coords {
  padding: 0.85rem 1.5rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Security & Privacy Cards
   ========================================================================== */

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.85rem;
}

.sec-box {
  padding: 0.85rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.4rem;
}

.sec-icon {
  font-size: 1.35rem;
}

.sec-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
}

.sec-status {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-full);
}

.sec-safe {
  color: var(--accent-emerald);
  background: rgba(16, 185, 129, 0.1);
}

.sec-warn {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.1);
}

.sec-danger {
  color: var(--accent-rose);
  background: rgba(244, 63, 94, 0.1);
}

/* ==========================================================================
   Network Latency / Ping Benchmark
   ========================================================================== */

.latency-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.latency-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  transition: border-color var(--transition-fast);
}

.latency-node {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.latency-flag {
  font-size: 1.1rem;
}

.latency-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

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

.latency-meter {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.latency-value {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  min-width: 65px;
  text-align: right;
}

.latency-pill {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
}

.latency-fast { color: var(--accent-emerald); }
.latency-fast-pill { background: var(--accent-emerald); box-shadow: 0 0 8px var(--accent-emerald); }

.latency-medium { color: var(--accent-amber); }
.latency-medium-pill { background: var(--accent-amber); box-shadow: 0 0 8px var(--accent-amber); }

.latency-slow { color: var(--accent-rose); }
.latency-slow-pill { background: var(--accent-rose); box-shadow: 0 0 8px var(--accent-rose); }

/* ==========================================================================
   HTTP Headers & Technical Accordion
   ========================================================================== */

.raw-data-box {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  max-height: 220px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 9999;
}

.toast {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  animation: slideToast 0.3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideToast {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==========================================================================
   Skeleton Shimmer Loading
   ========================================================================== */

.skeleton {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.03) 25%, rgba(255, 255, 255, 0.08) 50%, rgba(255, 255, 255, 0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
  color: transparent !important;
  user-select: none;
}

[data-theme="light"] .skeleton {
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.04) 25%, rgba(0, 0, 0, 0.08) 50%, rgba(0, 0, 0, 0.04) 75%);
  background-size: 200% 100%;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem 0 0 0;
  border-top: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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