/* Styles for dns-service.html */
#setup .container {
  text-align: center;
}

.page-hero {
  padding-top: 180px;
  padding-bottom: 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

@media (max-width: 768px) {
  .page-hero {
    padding-top: 140px;
    padding-bottom: 80px;
  }
}

.page-hero h1 {
  font-size: clamp(3rem, 9vw, 5rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1rem;
}

.page-hero p {
  max-width: 650px;
  margin: 0 auto 2.5rem;
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .page-hero .container {
    padding: 0 8px;
  }
}

.dns-address-box {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px 25px;
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-size: 1.2rem;
}

@media (max-width: 600px) {
  .dns-address-box {
    flex-direction: column;
    gap: 10px;
    padding: 15px 20px;
    font-size: 1rem;
  }
}

.dns-address-box code {
  font-family: monospace;
  font-weight: 600;
  color: var(--accent-2);
  font-size: 1.3rem;
}

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 768px) {
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.benefit-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  background: var(--bg-offset);
  padding: 30px;
  border-radius: 14px;
  border: 1px solid var(--border-color);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
  text-align: center;
}

.benefit-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent-1);
  box-shadow: 0 0 35px rgba(82, 74, 242, 0.2);
}

.benefit-card .icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  color: var(--accent-1);
}

.benefit-card h3 {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.benefit-card p {
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Tabs scroll system */
.tabs-scroll-wrapper {
  position: relative;
  margin-bottom: 40px;
}

.tabs-nav {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  justify-content: center;
}

@media (max-width: 768px) {
  .tabs-scroll-wrapper {
    margin-bottom: 30px;
  }

  .tabs-nav {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 0 36px;
    /* leave space for arrows */
  }

  .tabs-nav::-webkit-scrollbar {
    display: none;
  }

  .tabs-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    background: var(--bg-offset);
    color: var(--text-secondary);
    cursor: pointer;
    z-index: 20;
    opacity: 0.95;
    transition:
      opacity 0.2s ease,
      transform 0.2s ease;
  }

  .tabs-arrow[hidden] {
    display: none;
  }

  .tabs-arrow:active {
    transform: translateY(-50%) scale(0.97);
  }

  .tabs-arrow--left {
    left: 0;
  }

  .tabs-arrow--right {
    right: 0;
  }
}

.tab-button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 20px;
  cursor: pointer;
  transition: color 0.3s ease;
  flex-shrink: 0;
}

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

.tab-button.active {
  color: var(--accent-2);
}

@media (max-width: 768px) {
  .tab-button {
    font-size: 0.9rem;
    padding: 10px 16px;
  }
}

.tab-underline {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 3px;
  background-color: var(--accent-2);
  transition:
    transform 0.4s cubic-bezier(0.25, 1, 0.5, 1),
    width 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.tabs-content-wrapper {
  position: relative;
  min-height: 320px;
  margin-bottom: 40px;
  transition: height 0.3s ease;
}

@media (max-width: 768px) {
  .tabs-content-wrapper {
    min-height: 400px;
    margin-bottom: 60px;
  }
}

.tab-content {
  opacity: 0;
  position: absolute;
  width: 100%;
  pointer-events: none;
  visibility: hidden;
  transition:
    transform 0.4s ease,
    opacity 0.4s ease,
    visibility 0s 0.4s;
}

.tab-content.active {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transform: translateX(0);
  transition-delay: 0s;
}

.tab-content.slide-from-right {
  transform: translateX(30px);
}

.tab-content.slide-from-left {
  transform: translateX(-30px);
}

.instructions-panel {
  background-color: var(--bg-offset);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 30px 40px;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .instructions-panel {
    padding: 20px 25px;
  }
}

.instructions-panel p {
  margin-bottom: 20px;
}

.instructions-panel ol {
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 15px;
  text-align: left;
}

.instructions-panel strong {
  color: var(--text-primary);
}

.instructions-panel code {
  font-family: monospace;
  background-color: var(--surface);
  color: var(--accent-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.instructions-panel a {
  color: var(--accent-2);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.instructions-panel a:hover {
  color: var(--accent-1);
  text-decoration: underline;
}

.os-detection-note {
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-secondary);
}

.main-footer {
  background-color: var(--bg-dark);
  border-top: 1px solid var(--border-color);
}

/* --- DNS Modal System --- */
.dns-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.3s ease,
    visibility 0s 0.3s;
}

.dns-modal-overlay:not([hidden]) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    opacity 0.3s ease,
    visibility 0s;
}

.dns-modal {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 30px;
  width: 100%;
  max-width: 480px;
  position: relative;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  transform: scale(0.95);
  opacity: 0;
  transition:
    transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
    opacity 0.3s ease;
}

.dns-modal-overlay:not([hidden]) .dns-modal {
  transform: scale(1);
  opacity: 1;
}

/* Step Transitions */
.dns-step {
  transition:
    opacity 0.25s ease,
    transform 0.25s ease;
  width: 100%;
}

.dns-step.fade-out {
  opacity: 0;
  transform: translateX(-10px);
  pointer-events: none;
}

.dns-step.fade-in {
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
}

.dns-step:not(.fade-out):not(.fade-in) {
  opacity: 1;
  transform: translateX(0);
}

.dns-modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 5px;
  transition: color 0.2s;
}

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

.dns-modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--text-primary);
}

.dns-modal-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 25px;
}

.dns-modal-text a {
  color: var(--accent-2);
  text-decoration: none;
}

.dns-modal-text a:hover {
  text-decoration: underline;
}

.dns-checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 25px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

.dns-checkbox-wrapper:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--text-secondary);
}

/* Hide native checkbox */
.dns-checkbox-wrapper input[type='checkbox'] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* Custom Checkbox Container */
.dns-custom-checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border: 2px solid var(--text-secondary);
  border-radius: 6px;
  background: transparent;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  flex-shrink: 0;
}

/* Checked State - Box */
.dns-checkbox-wrapper input[type='checkbox']:checked + .dns-custom-checkbox {
  background: var(--accent-1);
  border-color: var(--accent-1);
  box-shadow: 0 0 12px rgba(88, 86, 214, 0.4);
}

/* Checkmark Icon inside */
.dns-custom-checkbox svg {
  width: 14px;
  height: 14px;
  color: white;
  opacity: 0;
  transform: scale(0.5);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Checked State - Icon */
.dns-checkbox-wrapper input[type='checkbox']:checked + .dns-custom-checkbox svg {
  opacity: 1;
  transform: scale(1) translateY(1px);
}

.dns-checkbox-label {
  font-size: 0.95rem;
  color: var(--text-primary);
  user-select: none;
}

/* Info View Styles */
.dns-location-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(168, 85, 247, 0.15);
  color: #d8b4fe;
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 25px;

  /* Shrinking behavior */
  min-width: 0;
  max-width: 100%;
}

.dns-location-tag svg {
  flex-shrink: 0;
}

.dns-location-tag .location-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dns-status-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 25px;
  transition: all 0.3s ease;
  vertical-align: middle;
  cursor: pointer;
}

.dns-status-tag:hover {
  background: rgba(255, 255, 255, 0.1);
}

.dns-status-tag.status-up {
  background: rgba(74, 222, 128, 0.15);
  color: #4ade80;
}

.dns-status-tag.status-down {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  position: relative;
}

.dns-status-tag.status-up .status-dot::after,
.dns-status-tag.status-down .status-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
  transform: translate3d(-50%, -50%, 0) scale(1) rotateZ(0.01deg);
  animation: ripple 1.5s ease-out infinite;
  will-change: transform, opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  z-index: -1;
}

.dns-status-tag.status-up .status-dot,
.dns-status-tag.status-down .status-dot {
  opacity: 1;
  z-index: 1;
}

@keyframes ripple {
  0% {
    transform: translate3d(-50%, -50%, 0) scale(1) rotateZ(0.01deg);
    opacity: 0.8;
  }

  100% {
    transform: translate3d(-50%, -50%, 0) scale(3) rotateZ(0.01deg);
    opacity: 0;
  }
}

.dns-info-group {
  margin-bottom: 20px;
}

.dns-info-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  font-weight: 500;
}

.dns-copy-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-offset);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: 8px;
}

.dns-copy-row code {
  flex: 1;
  font-family: monospace;
  font-size: 1rem;
  color: var(--accent-2);
  word-break: break-all;
}

.dns-copy-row:hover {
  border-color: var(--accent-1);
}

/* --- Compatibility Checker --- */
.checker-container {
  max-width: 800px;
  margin: 0 auto;
}

/* Search Bar */
.search-wrapper {
  position: relative;
  margin-bottom: 40px;
}

.search-wrapper input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-color);
  padding: 16px 20px 16px 50px;
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-family: inherit;
  transition: all 0.2s ease;
  outline: none;
}

.search-wrapper input:focus {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 4px rgba(82, 74, 242, 0.15);
  background: rgba(22, 21, 46, 0.8);
}

.search-wrapper .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
  pointer-events: none;
  transition: color 0.2s ease;
}

.search-wrapper input:focus + .search-icon {
  color: var(--accent-1);
}

/* Service List */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.service-category-group {
  margin-bottom: 40px;
}

.service-category-header {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.service-cards-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 15px;
}

.service-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.service-name {
  font-weight: 500;
  color: var(--text-primary);
}

.service-status {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #4ade80;
  /* Green */
  background: rgba(22, 163, 74, 0.2);
  padding: 6px 10px;
  border-radius: 6px;
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
}

.no-results {
  text-align: center;
  color: var(--text-secondary);
  padding: 40px 20px;
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.no-results strong {
  word-break: break-all;
  color: var(--text-primary);
}

/* Raw Lists */
.raw-lists-container {
  margin-top: 60px;
  text-align: center;
  padding-top: 40px;
  border-top: 1px solid var(--border-color);
}

.raw-lists-container h3 {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  font-weight: 500;
}

.raw-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.raw-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.raw-btn:hover {
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.05);
}

.raw-btn svg {
  width: 20px;
  height: 20px;
  opacity: 0.8;
}

@media (max-width: 768px) {
  .service-cards-container {
    grid-template-columns: 1fr;
  }

  .search-wrapper input {
    font-size: 1rem;
    padding: 14px 18px 14px 44px;
  }
}