/* ============================================
   Rikky DNS Propagation Checker — stylesheet
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Design Tokens ── */
:root {
  --bg-base:        #0a0d14;
  --bg-surface:     #111520;
  --bg-card:        rgba(255,255,255,0.04);
  --bg-card-hover:  rgba(255,255,255,0.07);
  --bg-input:       rgba(255,255,255,0.06);

  --border-subtle:  rgba(255,255,255,0.08);
  --border-focus:   rgba(99,179,237,0.6);

  --text-primary:   #e8eaf0;
  --text-secondary: #8b93a8;
  --text-muted:     #4a5268;

  --accent-blue:    #3b82f6;
  --accent-cyan:    #06b6d4;
  --accent-purple:  #8b5cf6;

  /* Status colors */
  --resolved:       #22c55e;
  --resolved-bg:    rgba(34,197,94,0.10);
  --resolved-border:rgba(34,197,94,0.25);

  --partial:        #f59e0b;
  --partial-bg:     rgba(245,158,11,0.10);
  --partial-border: rgba(245,158,11,0.25);

  --unresolved:     #ef4444;
  --unresolved-bg:  rgba(239,68,68,0.10);
  --unresolved-border: rgba(239,68,68,0.25);

  --pending:        rgba(255,255,255,0.15);
  --pending-bg:     rgba(255,255,255,0.04);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  18px;
  --radius-xl:  24px;

  --shadow-glow: 0 0 40px rgba(59,130,246,0.08);
  --transition: 0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Background decoration ── */
body::before {
  content: '';
  position: fixed;
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(59,130,246,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(139,92,246,0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Layout ── */
.page-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ── Header ── */
.site-header {
  text-align: center;
  padding: 3rem 0 2.5rem;
}

.header-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.25);
  color: var(--accent-blue);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.header-badge svg { width: 14px; height: 14px; }

.site-header h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #e8eaf0 0%, #8b93a8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
}

.site-header .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

/* ── Query Card ── */
.query-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-glow);
}

.query-form {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 0.75rem;
  align-items: end;
}

/* ── Search bar ── */
#search-bar {
  margin-bottom: 0.75rem;
  animation: cardIn 0.25s ease both;
}
#search-bar[hidden] { display: none; }

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 0.85rem;
  width: 15px;
  height: 15px;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
#resolver-search {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  padding: 0.65rem 8rem 0.65rem 2.5rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
#resolver-search:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.12);
}
#resolver-search::placeholder { color: var(--text-muted); }
/* hide the native × button on search type */
#resolver-search::-webkit-search-cancel-button { display: none; }

.search-count {
  position: absolute;
  right: 0.85rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  white-space: nowrap;
  pointer-events: none;
  font-variant-numeric: tabular-nums;
}


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

  /* Buttons full-width on mobile */
  .query-form .form-group:last-child {
    flex-direction: column;
  }
  .query-form .form-group:last-child .btn {
    width: 100%;
    justify-content: center;
  }

  /* Stats bar: stack pills then progress wrap below */
  .stats-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  /* Progress wrap: full width so bar + label don't squeeze */
  .progress-wrap {
    width: 100%;
    justify-content: space-between;
  }
  .progress-bar-track {
    flex: 1;
    width: auto;
  }

  /* Filter tabs: allow wrapping, smaller text */
  .filter-tabs {
    gap: 0.4rem;
  }
  .filter-tab {
    font-size: 0.78rem;
    padding: 0.4rem 0.75rem;
  }

  /* Pagination: smaller buttons, tighter gap */
  .pagination {
    gap: 0.25rem;
  }
  .page-btn {
    min-width: 32px;
    height: 32px;
    font-size: 0.8rem;
  }
  .page-info {
    width: 100%;
    text-align: center;
    margin-left: 0;
    margin-top: 0.35rem;
  }

  /* Cards: single column on very small screens */
  .servers-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  /* Even smaller: reduce page padding */
  .page-wrapper {
    padding: 1rem 1rem 3rem;
  }

  /* Header tighter */
  .site-header {
    padding: 2rem 0 1.5rem;
  }
  .site-header h1 {
    font-size: 1.75rem;
  }

  /* Query card: less padding */
  .query-card {
    padding: 1.25rem;
    margin-bottom: 1.25rem;
  }

  /* Stats group: pills wrap tightly */
  .stats-group {
    gap: 0.5rem;
  }
  .stat-pill {
    font-size: 0.75rem;
    padding: 0.25rem 0.65rem;
  }

  /* Reduce domain label font on tiny screens */
  .domain-label {
    font-size: 0.72rem;
    padding: 0.2rem 0.6rem;
  }

  /* Filter: full width tabs on tiny screens */
  .filter-tabs {
    width: 100%;
  }
  .filter-tab {
    flex: 1;
    justify-content: center;
    font-size: 0.75rem;
    padding: 0.4rem 0.5rem;
  }

  /* Pagination: hide ellipsis, keep it minimal */
  .page-gap { display: none; }
}


.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.form-group input,
.form-group select {
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form-group input::placeholder { color: var(--text-muted); }

.form-group input:focus,
.form-group select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99,179,237,0.12);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b93a8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.5rem;
  cursor: pointer;
}
.form-group select option { background: #1a1f2e; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.3);
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(59,130,246,0.45);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}

/* ── Stats bar ── */
.stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 0 0.25rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.stats-bar.visible {
  opacity: 1;
  transform: none;
}

.stats-group {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.stat-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.stat-pill .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.stat-pill.resolved-pill  { background: var(--resolved-bg);   color: var(--resolved);   border: 1px solid var(--resolved-border);  }
.stat-pill.unresolved-pill{ background: var(--unresolved-bg); color: var(--unresolved); border: 1px solid var(--unresolved-border);}
.stat-pill.total-pill      { background: var(--bg-card);       color: var(--text-secondary); border: 1px solid var(--border-subtle); }
.stat-pill.resolved-pill   .dot { background: var(--resolved); }
.stat-pill.unresolved-pill .dot { background: var(--unresolved); }
.stat-pill.total-pill      .dot { background: var(--text-muted); }

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.progress-bar-track {
  width: 140px;
  height: 6px;
  background: var(--border-subtle);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-blue), var(--resolved));
  border-radius: 999px;
  transition: width 0.4s ease;
}
.progress-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  min-width: 60px;
}

/* ── Domain label ── */
.domain-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
}

/* ── Results Grid ── */
.results-section { margin-top: 0.5rem; }

.record-group {
  margin-bottom: 2rem;
}
.record-group-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  padding-left: 0.25rem;
}
.record-group-title::before {
  content: '';
  display: block;
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
  border-radius: 999px;
}

.servers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.75rem;
}

/* ── Server Card ── */
.server-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  animation: cardIn 0.3s ease both;
  position: relative;
  overflow: hidden;
}
.server-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 4px 0 0 4px;
  background: var(--pending);
  transition: background 0.3s ease;
}

.server-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

/* Status variants */
.server-card.status-resolved {
  border-color: var(--resolved-border);
}
.server-card.status-resolved::before { background: var(--resolved); }

.server-card.status-unresolved {
  border-color: var(--unresolved-border);
}
.server-card.status-unresolved::before { background: var(--unresolved); }

.server-card.status-pending::before {
  background: linear-gradient(180deg, rgba(255,255,255,0.2), rgba(255,255,255,0.05));
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

/* Card header */
.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.server-ip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}
.server-name {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
  line-height: 1.3;
}
.server-asn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  flex-shrink: 0;
  white-space: nowrap;
}
.status-badge .pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Badge states */
.badge-resolved   { background: var(--resolved-bg);   color: var(--resolved);   border: 1px solid var(--resolved-border); }
.badge-resolved   .pulse { background: var(--resolved); animation: ping 1.5s ease infinite; }
.badge-unresolved { background: var(--unresolved-bg); color: var(--unresolved); border: 1px solid var(--unresolved-border); }
.badge-unresolved .pulse { background: var(--unresolved); }
.badge-pending    { background: var(--pending-bg);    color: var(--text-muted);  border: 1px solid var(--border-subtle); }
.badge-pending    .pulse { background: var(--text-muted); animation: ping 1s ease infinite; }

@keyframes ping {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%       { transform: scale(1.5); opacity: 0.4; }
}

/* Record values */
.record-values {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  max-height: 120px;
  overflow-y: auto;
}
.record-values::-webkit-scrollbar { width: 4px; }
.record-values::-webkit-scrollbar-track { background: transparent; }
.record-values::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 2px; }

.record-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.6rem;
  word-break: break-all;
  line-height: 1.4;
}
.server-card.status-resolved .record-value {
  color: var(--resolved);
  background: var(--resolved-bg);
  border-color: var(--resolved-border);
}

/* ── Skeleton loader ── */
.skeleton-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  height: 100px;
  overflow: hidden;
  position: relative;
}
.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.04) 50%, transparent 100%);
  animation: skeletonSlide 1.5s infinite;
}
@keyframes skeletonSlide {
  from { transform: translateX(-100%); }
  to   { transform: translateX(100%); }
}

/* ── Empty / Error states ── */
.state-placeholder {
  text-align: center;
  padding: 5rem 2rem;
  color: var(--text-muted);
}
.state-placeholder .icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}
.state-placeholder h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}
.state-placeholder p {
  font-size: 0.875rem;
  max-width: 380px;
  margin: 0 auto;
}

/* ── Alert / Error banner ── */
.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  animation: cardIn 0.2s ease both;
}
.alert-error {
  background: var(--unresolved-bg);
  border: 1px solid var(--unresolved-border);
  color: #fca5a5;
}
.alert svg { flex-shrink: 0; margin-top: 1px; }

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 2.5rem 0 1rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 3rem;
}
.site-footer a {
  color: var(--accent-blue);
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }

/* ── Spinner ── */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ── Filter Bar ── */
#filter-bar {
  margin-bottom: 1rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
#filter-bar.visible {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-tab:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}
.filter-tab.active {
  background: rgba(59,130,246,0.12);
  border-color: rgba(59,130,246,0.3);
  color: var(--accent-blue);
}
.filter-tab.active[data-filter="resolved"] {
  background: var(--resolved-bg);
  border-color: var(--resolved-border);
  color: var(--resolved);
}
.filter-tab.active[data-filter="unresolved"] {
  background: var(--unresolved-bg);
  border-color: var(--unresolved-border);
  color: var(--unresolved);
}

.filter-count {
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  font-size: 0.75rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-width: 24px;
  text-align: center;
}
.filter-tab.active .filter-count { background: rgba(255,255,255,0.12); }
.resolved-count   { color: var(--resolved); }
.unresolved-count { color: var(--unresolved); }

/* Color dots inside filter tabs */
.dot-resolved,
.dot-unresolved {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.dot-resolved   { background: var(--resolved); }
.dot-unresolved { background: var(--unresolved); }

/* ── Pagination ── */
#pagination-bar {
  margin-top: 2rem;
  padding-bottom: 1rem;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.page-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover:not(:disabled) {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}
.page-btn.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-color: transparent;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(59,130,246,0.35);
}
.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}
.page-nav { border-radius: var(--radius-sm); }

.page-gap {
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0 0.2rem;
  user-select: none;
}

.page-info {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-left: 0.75rem;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}