/* CSS Design System for WhatMyIP.site */

:root {
  /* Color Palette - HSL Custom Properties */
  --hue-primary: 224; /* Professional Indigo */
  --hue-accent: 262;  /* Professional Violet */
  
  --primary: hsl(var(--hue-primary), 85%, 56%);
  --primary-hover: hsl(var(--hue-primary), 85%, 48%);
  --primary-glow: hsla(var(--hue-primary), 85%, 56%, 0.08);
  
  --accent: hsl(var(--hue-accent), 80%, 58%);
  --accent-glow: hsla(var(--hue-accent), 80%, 58%, 0.08);

  /* Default Light Mode Colors (Clean Professional SaaS) */
  --bg-app: #f8fafc;
  --bg-card: #ffffff;
  --border-card: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #94a3b8;
  --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05), 0 10px 15px -3px rgba(0, 0, 0, 0.02);
  --accent-bg: #f8fafc;
  
  /* Transition speed */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* Dark Mode Overrides */
[data-theme="dark"] {
  --bg-app: #0b0c10;
  --bg-card: #131520;
  --border-card: #1e2235;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
  --accent-bg: #0b0c10;
}

/* Reset and Core Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  line-height: 1.5;
  overflow-x: hidden;
}

/* Background gradient blobs - Very subtle static backlighting */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.06;
}

[data-theme="dark"] .blob {
  opacity: 0.15;
}

.blob-1 {
  top: -20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, var(--primary) 0%, transparent 80%);
}

.blob-2 {
  bottom: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, var(--accent) 0%, transparent 80%);
}


/* Glassmorphism Navigation */
.header-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-card);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--text-main);
  text-decoration: none;
}

.logo-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  width: 2.2rem;
  height: 2.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 1.1rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  background: var(--primary-glow);
}

.nav-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
}

/* Theme Toggle Button */
.btn-theme-toggle {
  background: transparent;
  border: 1px solid var(--border-card);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: 8px;
  cursor: pointer;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.btn-theme-toggle:hover {
  background: var(--border-card);
}

/* Layout Main Container */
.main-wrapper {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
}

@media (max-width: 968px) {
  .main-wrapper {
    grid-template-columns: 1fr;
  }
}

/* Content Area */
.content-area {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Hero IP Card */
.hero-ip-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--card-shadow);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-ip-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.hero-label {
  font-size: 1.1rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.ip-display-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  background: var(--accent-bg);
  border: 1px solid var(--border-card);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.02);
  margin-bottom: 1.5rem;
  max-width: 100%;
}

.ip-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  word-break: break-all;
}

.btn-copy {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  transition: color var(--transition-fast), transform 0.1s;
}

.btn-copy:hover {
  color: var(--primary);
  transform: scale(1.1);
}

.btn-copy:active {
  transform: scale(0.9);
}

.quick-meta {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.meta-item i {
  color: var(--accent);
}

/* Info Cards Grid */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.card-title {
  font-size: 1.2rem;
  margin-bottom: 1.25rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-card);
  padding-bottom: 0.5rem;
}

.card-title i {
  color: var(--primary);
}

.info-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

/* Leaflet Map Styling */
.map-container {
  height: 250px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-card);
  margin-top: 1rem;
}

/* Lists and details */
.details-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.details-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-card);
  padding-bottom: 0.5rem;
  font-size: 0.95rem;
}

.details-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.details-label {
  color: var(--text-muted);
  font-weight: 500;
}

.details-value {
  font-weight: 600;
  color: var(--text-main);
}

/* Form Styles (IP/DNS Lookups) */
.lookup-form {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.input-group {
  flex-grow: 1;
  position: relative;
}

.input-field {
  width: 100%;
  padding: 0.85rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--border-card);
  background: var(--accent-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-field:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.select-field {
  padding: 0.85rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--border-card);
  background: var(--accent-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  outline: none;
}

.btn-submit {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, opacity var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-submit:hover {
  opacity: 0.9;
}

.btn-submit:active {
  transform: scale(0.98);
}

/* DNS Results Grid */
.dns-results-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dns-result-item {
  background: var(--accent-bg);
  border: 1px solid var(--border-card);
  border-radius: 8px;
  padding: 1rem;
}

/* Ad Placement Placeholders (SEO & AdSense Integration) */
.ad-slot {
  display: none; /* Hidden until AdSense approval */
  background: var(--bg-card);
  border: 1px dashed var(--border-card);
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 1rem;
  color: var(--text-light);
  font-size: 0.8rem;
  min-height: 100px;
  margin: 1.5rem 0;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.ad-sidebar {
  min-height: 250px;
  height: fit-content;
}

/* Article/SEO text section (For SEO Rankings and Google Discover) */
.seo-section {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 2rem;
  margin-top: 1rem;
  box-shadow: var(--card-shadow);
}

.seo-section h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.seo-section h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 1.5rem 0 0.5rem 0;
}

.seo-section p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.seo-section ul {
  list-style-position: inside;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.seo-section li {
  margin-bottom: 0.5rem;
}

/* Sidebar Styling */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
}

.sidebar-widget h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sidebar-list a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

.sidebar-list a:hover {
  color: var(--primary);
}

/* Footer Styling */
.app-footer {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-card);
  padding: 3.5rem 0 2rem 0;
  margin-top: 5rem;
  color: var(--text-muted);
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-col h4 {
  color: var(--text-main);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 2.5rem auto 0 auto;
  padding: 1.5rem 1.5rem 0 1.5rem;
  border-top: 1px solid var(--border-card);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-light);
}

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

.footer-bottom a:hover {
  color: var(--primary);
}


/* Loading Animations */
.skeleton {
  background: linear-gradient(90deg, var(--border-card) 25%, var(--bg-app) 50%, var(--border-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 4px;
  display: inline-block;
  height: 1.25rem;
  width: 100%;
}

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

/* Header Search Bar Styling */
.header-search-form {
  display: flex;
  align-items: center;
  margin: 0 1.5rem;
  flex-grow: 1;
  max-width: 400px;
  min-width: 250px;
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid var(--border-card);
}

.header-search-input {
  flex-grow: 1;
  width: 0;
  min-width: 0;
  padding: 0.5rem 1rem;
  border: none;
  background: var(--accent-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
}


.header-search-button {
  background: hsl(200, 85%, 45%); /* Exactly matching the blue search button color in the reference screenshot */
  color: #fff;
  border: none;
  padding: 0.55rem 1.2rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
  transition: opacity var(--transition-fast);
}

.header-search-button:hover {
  opacity: 0.95;
}

@media (max-width: 1150px) {
  .header-nav {
    flex-wrap: wrap;
    gap: 1rem;
  }
  .header-search-form {
    order: 3;
    margin: 0;
    max-width: 100%;
    width: 100%;
  }
}

.nav-links {
  white-space: nowrap;
}

.logo-container {
  white-space: nowrap;
}

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  max-width: 420px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-card);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: var(--card-shadow);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transform: translateY(150%);
  transition: transform var(--transition-normal);
}

.cookie-banner.show {
  transform: translateY(0);
}

.cookie-banner-title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cookie-banner-title i {
  color: var(--accent);
}

.cookie-banner-text {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.cookie-banner-buttons {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

.btn-cookie-accept {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.btn-cookie-accept:hover {
  opacity: 0.95;
}

.btn-cookie-decline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-card);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background var(--transition-fast);
}

.btn-cookie-decline:hover {
  background: var(--border-card);
}

@media (max-width: 576px) {
  .cookie-banner {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
    max-width: none;
  }
}

/* FAQ Accordion Styles */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.faq-item {
  border: 1px solid var(--border-card);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-card);
  transition: border-color var(--transition-fast);
}

.faq-question {
  width: 100%;
  padding: 1.1rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: 0;
  appearance: none;
  -webkit-appearance: none;
  color: var(--text-main);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  outline: none;
}

.faq-question i {
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal) ease;
  background: var(--accent-bg);
}

.faq-answer p {
  padding: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.faq-item.active {
  border-color: var(--primary);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
  color: var(--primary);
}

/* Language selection bar */
.language-selection-bar {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  text-align: center;
}

.language-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.language-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.language-links a:hover {
  color: var(--primary);
}

.language-links a::after {
  content: " |";
  color: var(--border-card);
  margin-left: 0.75rem;
}

.language-links a:last-child::after {
  content: "";
}

.datasource-credit {
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-card);
  padding-top: 0.75rem;
  margin-top: 0.5rem;
}