:root {
  --bg-primary: #000000;
  --bg-secondary: #0a0a0a;
  --bg-tertiary: #141414;
  --border-subtle: #1c1c1c;
  --border-medium: #2a2a2a;
  --border-focus: #ffffff;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-muted: #555555;
  --font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Monaco, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  text-transform: lowercase;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 16px 60px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  width: 100%;
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* header */
.header {
  position: relative;
  display: flex;
  flex-direction: column;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  animation: headerBoom 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.icon-link {
  display: inline-flex;
  border-radius: 8px;
  text-decoration: none;
}

/* custom game icon */
.game-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  object-fit: cover;
  flex-shrink: 0;
  transition: var(--transition);
}

.game-icon:hover {
  border-color: var(--border-medium);
  opacity: 0.9;
}

.title-text-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}

h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.15;
}

.title-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  text-decoration: none;
  letter-spacing: -0.01em;
  line-height: 1.2;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.title-sub:hover {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* header right actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* telemetry widget */
.telemetry {
  display: inline-flex;
  align-items: center;
  background: #090909;
  border: 1px solid #1c1c1c;
  border-radius: 6px;
  padding: 6px 12px;
  gap: 12px;
  font-family: var(--font-mono);
  transition: var(--transition);
}

.telemetry:hover {
  border-color: var(--border-medium);
  background: #0d0d0d;
}

.telemetry-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.telemetry-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.85);
  display: inline-block;
  align-self: center;
  animation: pulseDot 2s infinite ease-in-out;
}

.telemetry-dot.checking {
  animation: pulseFast 0.5s infinite ease-in-out;
}

.telemetry-num {
  font-size: 13px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
}

.telemetry-label {
  font-size: 11px;
  color: var(--text-muted);
}

.telemetry-sep {
  width: 1px;
  height: 14px;
  background: #242424;
}

.telemetry-refresh {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  border-radius: 4px;
  transition: var(--transition);
}

.telemetry-refresh:hover {
  color: #ffffff;
  transform: scale(1.1);
}

.telemetry-refresh:active {
  transform: scale(0.95);
}

#refresh-icon.rotating {
  animation: spin 0.7s linear infinite;
}

/* official discord button in header */
.btn-discord {
  background: #0d0d0d;
  color: var(--text-primary);
  border: 1px solid #222222;
  border-radius: 6px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: var(--transition);
  user-select: none;
}

.btn-discord:hover {
  border-color: #ffffff;
  background: #171717;
  transform: translateY(-1px);
}

.discord-svg {
  flex-shrink: 0;
}

/* auto-refresh progress bar track */
.refresh-progress-track {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--border-subtle);
  overflow: hidden;
}

.refresh-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--text-primary);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.9);
  transition: width 0.1s linear;
}

/* server owners notice box */
.owner-notice-box {
  background: #080808;
  border: 1px solid #1a1a1a;
  border-radius: 6px;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: cardReveal 0.3s ease-out;
  transition: var(--transition);
}

.owner-notice-box:hover {
  border-color: #2e2e2e;
  background: #0c0c0c;
}

.notice-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  flex: 1;
  min-width: 260px;
}

.notice-badge {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  background: #141414;
  color: var(--text-secondary);
  border: 1px solid #292929;
  padding: 2px 7px;
  border-radius: 4px;
  text-transform: lowercase;
}

.notice-text {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.btn-notice-contact {
  background: var(--text-primary);
  color: #000000;
  border: 1px solid var(--text-primary);
  border-radius: 5px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-notice-contact:hover {
  background: #e6e6e6;
  border-color: #e6e6e6;
  transform: translateY(-1px);
}

/* servers list */
.servers-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.server-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition);
  animation: cardReveal 0.3s cubic-bezier(0.16, 1, 0.3, 1) backwards;
  position: relative;
}

.server-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-tertiary);
  transform: translateY(-1px);
}

/* featured card when players > 0 */
.server-card.is-featured {
  border-color: #383838;
  background: #0d0d0d;
  box-shadow: 0 0 24px rgba(255, 255, 255, 0.03);
}

.server-card.is-featured:hover {
  border-color: #555555;
  background: #121212;
}

.server-card.is-offline {
  opacity: 0.38;
}

.server-card.is-offline:hover {
  opacity: 0.75;
}

.server-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.server-title-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.server-name-line {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.server-index {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  flex-shrink: 0;
}

.server-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.server-meta-tags {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.meta-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: 4px;
}

/* active players badge */
.badge-active {
  font-family: var(--font-mono);
  font-size: 11px;
  background: #ffffff;
  color: #000000;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.35);
  animation: pulseActive 2s infinite ease-in-out;
}

.badge-zero {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  padding: 2px 6px;
  border-radius: 4px;
}

.badge-offline {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #555555;
  background: #111111;
  border: 1px solid #1f1f1f;
  padding: 2px 6px;
  border-radius: 4px;
}

/* bottom row: clean address without extra clutter */
.server-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}

.server-address-box {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.addr-label {
  color: var(--text-muted);
}

.addr-value {
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.server-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* copy buttons */
.btn-copy {
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: var(--transition);
  user-select: none;
}

.btn-copy:hover {
  background: var(--text-primary);
  color: var(--bg-primary);
  border-color: var(--text-primary);
}

.btn-copy:active {
  transform: scale(0.96);
}

.btn-copy.copied {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
  animation: copyFlash 0.3s ease-in-out;
}

.btn-connect {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.btn-connect:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
}

/* toast notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  background: #141414;
  color: #ffffff;
  border: 1px solid #333333;
  border-radius: 6px;
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.85);
  animation: toastSlide 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* animations */
@keyframes headerBoom {
  0% {
    opacity: 0;
    transform: translateY(-8px) scale(0.99);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes cardReveal {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseDot {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.3;
    transform: scale(0.8);
  }
}

@keyframes pulseFast {
  0%, 100% {
    opacity: 1;
    transform: scale(1.25);
  }
  50% {
    opacity: 0.2;
    transform: scale(0.7);
  }
}

@keyframes pulseActive {
  0%, 100% {
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.25);
  }
  50% {
    box-shadow: 0 0 18px rgba(255, 255, 255, 0.55);
  }
}

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

@keyframes copyFlash {
  0% { transform: scale(0.92); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes toastSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 600px) {
  .header-top {
    flex-direction: column;
    align-items: flex-start;
  }
  .owner-notice-box {
    flex-direction: column;
    align-items: flex-start;
  }
  .btn-notice-contact {
    width: 100%;
    justify-content: center;
  }
  .server-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .server-actions {
    width: 100%;
    justify-content: flex-end;
  }
}