/* ============================================================
   Domain & Connection Checker – Minimal Modern Design
   ============================================================ */

:root {
  --bg: #090c10;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);

  --text-primary: #f0f4ff;
  --text-secondary: rgba(240, 244, 255, 0.55);
  --text-muted: rgba(240, 244, 255, 0.30);

  --accent: #7c7cff;
  --accent-dim: rgba(124, 124, 255, 0.12);
  --cyan: #00d4aa;
  --cyan-dim: rgba(0, 212, 170, 0.12);
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.12);
  --success: 142 70% 45%;
  --red: #f87171;

  --radius-card: 20px;
  --radius-inner: 12px;
  --radius-sm: 8px;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Fira Code', 'JetBrains Mono', 'Courier New', monospace;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ── Base ── */
html { font-size: 16px; }

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Subtle Background ── */
#app {
  width: 100%;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4rem 1.25rem 2.5rem;
  position: relative;
}

#app::before {
  content: '';
  position: fixed;
  top: -30vh;
  left: 50%;
  transform: translateX(-50%);
  width: 80vw;
  max-width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center,
    rgba(124, 124, 255, 0.09) 0%,
    transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── Content Stack ── */
.container {
  width: 100%;
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  z-index: 1;
}

/* ── Card ── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 2.5rem 2.5rem;
  transition: border-color 0.25s ease;
  animation: appear 0.5s var(--ease-out) both;
}

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

.card + .card {
  border-top-left-radius: var(--radius-sm);
  border-top-right-radius: var(--radius-sm);
  margin-top: 1px;
}

.card:first-child {
  border-bottom-left-radius: var(--radius-sm);
  border-bottom-right-radius: var(--radius-sm);
}

.card:first-child:last-child {
  border-radius: var(--radius-card);
}

.cards-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.glass-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 2.5rem;
  text-align: center;
  transition: border-color 0.25s ease;
  animation: appear 0.5s var(--ease-out) both;
}

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

.info-card {
  text-align: left;
  animation-delay: 0.08s;
}

@keyframes appear {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Status Badge ── */
.status-badge-container {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--green-dim);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  margin-bottom: 1.75rem;
  position: relative;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}

.status-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid var(--green);
  opacity: 0;
  animation: ping 2s ease-out infinite;
}

@keyframes ping {
  0%   { transform: scale(0.8); opacity: 0.7; }
  70%  { transform: scale(2);   opacity: 0; }
  100% { opacity: 0; }
}

/* Legacy pulse rings – hidden in new design */
.pulse-ring { display: none; }

.status-text {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--green);
  text-transform: uppercase;
}

/* ── Domain Title ── */
.domain-title {
  font-size: clamp(1.9rem, 5vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
}

.domain-tld {
  color: var(--accent);
  font-weight: 700;
}

/* ── Description ── */
.description {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ── Progress Bar (decorative) ── */
.progress-bar-container {
  width: 100%;
  height: 2px;
  background: var(--border);
  border-radius: 1px;
  overflow: hidden;
  margin-bottom: 1.75rem;
}

.progress-bar-fill {
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--accent));
  border-radius: 1px;
  animation: shimmer 2.8s ease-in-out infinite;
}

@keyframes shimmer {
  0%   { transform: translateX(-120%); }
  60%  { transform: translateX(280%); }
  100% { transform: translateX(280%); }
}

/* ── Info Prompt Arrow ── */
.info-prompt {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.chevron-down {
  width: 14px;
  height: 14px;
  animation: bob 2.5s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(3px); }
}

/* ── Card Subtitle ── */
.card-subtitle {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

/* ── Loading ── */
.info-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2.5rem 0;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.info-loading p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ── Error ── */
.info-error {
  text-align: center;
  padding: 2rem 0;
}

.info-error p {
  color: var(--red);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

/* ── Table ── */
.info-table-container {
  animation: appear 0.3s var(--ease-out) both;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1.25rem;
}

.info-table tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s ease;
}

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

.info-table tr:hover {
  background: var(--surface-hover);
}

.info-table th,
.info-table td {
  padding: 0.85rem 0.6rem;
  font-size: 0.875rem;
  vertical-align: middle;
}

.info-table th {
  font-weight: 500;
  color: var(--text-muted);
  width: 38%;
  text-align: left;
  white-space: nowrap;
}

.info-table td {
  color: var(--text-primary);
  font-weight: 400;
  word-break: break-all;
}

/* ── Highlight Text ── */
.highlight-text {
  font-weight: 600;
  font-size: 1rem;
  color: var(--cyan);
  font-family: var(--font-mono);
}

.highlight-text-cyan {
  font-weight: 600;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ── UA text ── */
.ua-text {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--text-secondary);
  word-break: break-word;
}

/* ── Mono Text ── */
.mono-text {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}

.text-small {
  font-size: 0.75rem;
}

/* ── IPv6 Expand ── */
.small-badge-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  cursor: pointer;
  margin-left: 0.6rem;
  font-family: var(--font-sans);
  transition: border-color 0.2s, color 0.2s;
  white-space: nowrap;
}

.small-badge-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.ipv6-expanded-box {
  margin-top: 0.6rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.75rem;
  animation: appear 0.2s var(--ease-out);
}

/* ── Accordion ── */
.accordion-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-inner);
  margin-bottom: 1.5rem;
  overflow: hidden;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 0.9rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.accordion-trigger:hover {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.accordion-icon {
  width: 14px;
  height: 14px;
  transition: transform 0.25s var(--ease-out);
  flex-shrink: 0;
}

.accordion-trigger[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  border-top: 1px solid var(--border);
  padding: 0 1rem 1rem;
  animation: appear 0.25s var(--ease-out) both;
}

/* Console theme inside accordion */
.console-theme.info-table th,
.console-theme.info-table td {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.console-theme.info-table th {
  color: var(--text-muted);
}

/* ── Action Button ── */
.action-container {
  display: flex;
  justify-content: center;
  margin-top: 0.75rem;
}

.shortcut-section {
  border: 1px solid var(--border);
  border-radius: var(--radius-inner);
  background: rgba(0, 0, 0, 0.16);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.shortcut-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.shortcut-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-primary);
}

.shortcut-hint {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
}

.shortcut-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.shortcut-button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--text-primary);
}

.shortcut-button:active {
  transform: translateY(0);
}

.shortcut-result {
  margin-top: 0.9rem;
  padding: 0.85rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-size: 0.84rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.shortcut-result[data-tone="success"] {
  border-color: rgba(34, 197, 94, 0.25);
  background: rgba(34, 197, 94, 0.08);
  color: rgba(240, 244, 255, 0.9);
}

.shortcut-result[data-tone="info"] {
  border-color: rgba(124, 124, 255, 0.22);
  background: rgba(124, 124, 255, 0.08);
}

.action-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(124, 124, 255, 0.25);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.action-button:hover {
  background: rgba(124, 124, 255, 0.18);
  border-color: rgba(124, 124, 255, 0.5);
  transform: translateY(-1px);
}

.action-button:active {
  transform: translateY(0);
}

.secondary-button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.secondary-button:hover {
  background: var(--surface-hover);
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.refresh-icon {
  width: 15px;
  height: 15px;
  transition: transform 0.5s var(--ease-out);
}

.action-button:hover .refresh-icon {
  transform: rotate(180deg);
}

/* ── Footer ── */
.footer {
  width: 100%;
  max-width: 620px;
  text-align: center;
  padding: 2rem 0 1rem;
  z-index: 1;
}

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

/* ── Utilities ── */
.hidden { display: none !important; }

/* ── Responsive ── */
@media (max-width: 560px) {
  #app { padding: 3rem 1rem 2rem; }

  .glass-card {
    padding: 2rem 1.5rem;
  }

  .info-card {
    padding: 2rem 1.5rem;
  }

  .domain-title {
    font-size: 1.75rem;
  }

  .info-table th { width: 42%; }

  .shortcut-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }

  .shortcut-grid {
    grid-template-columns: 1fr;
  }

  .small-badge-btn {
    margin-left: 0;
    margin-top: 0.4rem;
    display: block;
  }
}

/* ── Web API Badges ── */
.api-badge-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.api-badge {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-family: var(--font-sans);
}

.api-badge.supported {
  background: var(--green-dim);
  border-color: rgba(34, 197, 94, 0.25);
  color: var(--green);
}

.api-badge.unsupported {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border);
  color: var(--text-muted);
}