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

:root {
  /* Color System */
  --bg-base: #F4F4F7;
  --pink: #FF007A;
  --pink-soft: #FFF0F6;
  --lavender: #F3E8FF;
  --peach: #FFF3E8;

  --text-heading: #111827;
  --text-body: #4B5563;
  --text-dim: #9CA3AF;

  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);

  --pill-bg: rgba(255, 255, 255, 0.8);
  --pill-border: rgba(255, 255, 255, 0.9);

  /* Tiers */
  --tier-excellent: #FF007A;
  --tier-good: #00B884;
  --tier-fair: #F59E0B;
  --tier-poor: #EF4444;

  /* Spacing — 8px system */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-12: 48px;

  --radius-card: 24px;
  --radius-pill: 50px;
  --radius-sm: 12px;
  --radius-xs: 8px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ===== Pastel Gradient Mesh Background ===== */
.mesh-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.mesh-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: blobFloat 18s ease-in-out infinite;
}

.mesh-pink {
  width: 500px;
  height: 500px;
  background: var(--pink-soft);
  top: -10%;
  left: -5%;
}

.mesh-lavender {
  width: 600px;
  height: 600px;
  background: var(--lavender);
  bottom: -15%;
  right: -8%;
  animation-delay: -6s;
}

.mesh-peach {
  width: 400px;
  height: 400px;
  background: var(--peach);
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: -12s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.08); }
  66% { transform: translate(-25px, 25px) scale(0.95); }
}

.mesh-peach {
  animation-name: blobFloatCenter;
}

@keyframes blobFloatCenter {
  0%, 100% { transform: translateX(-50%) translateY(0) scale(1); }
  50% { transform: translateX(-50%) translateY(-30px) scale(1.1); }
}

/* ===== Header ===== */
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-6) var(--sp-12);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(244, 244, 247, 0.6);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 12px rgba(255, 0, 122, 0.5);
  animation: dotPulse 2.5s ease-in-out infinite;
}

@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.8); }
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.5px;
}

.header-status {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-body);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--tier-good);
  box-shadow: 0 0 8px rgba(0, 184, 132, 0.5);
  animation: dotPulse 2s ease-in-out infinite;
}

.status-dot.scanning {
  background: var(--tier-fair);
  box-shadow: 0 0 8px rgba(245, 158, 11, 0.5);
}

.status-dot.error {
  background: var(--tier-poor);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

/* ===== Layout ===== */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-6) var(--sp-12);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

/* ===== Hero ===== */
.hero {
  padding: var(--sp-4) 0 var(--sp-2);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1.1;
  letter-spacing: -1.5px;
}

.accent-pink {
  color: var(--pink);
}

.hero-subtitle {
  margin-top: var(--sp-3);
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 540px;
}

.hero-tags {
  display: flex;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
  flex-wrap: wrap;
}

/* ===== Tags / Badges ===== */
.tag {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
}

.tag-pink {
  background: var(--pink-soft);
  color: var(--pink);
  border: 1px solid rgba(255, 0, 122, 0.2);
}

.tag-gray {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-body);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* ===== Glass Cards ===== */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--glass-shadow);
  padding: var(--sp-6);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.glass-card:hover {
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.06);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-5);
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.3px;
}

/* ===== Pill Buttons ===== */
.pill-btn {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  border: 1px solid var(--pill-border);
  background: var(--pill-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-heading);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.pill-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 16px rgba(255, 0, 122, 0.15);
  transform: translateY(-1px);
}

.pill-btn:active {
  transform: translateY(0);
}

.pill-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.pill-btn-pink {
  background: var(--pink);
  color: #fff;
  border-color: var(--pink);
  box-shadow: 0 4px 14px rgba(255, 0, 122, 0.3);
}

.pill-btn-pink:hover {
  background: #E6006B;
  box-shadow: 0 6px 20px rgba(255, 0, 122, 0.4);
}

.pill-btn-pink:disabled {
  background: rgba(255, 0, 122, 0.4);
  border-color: transparent;
}

/* ===== ISP Grid ===== */
.isp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-3);
}

.isp-item {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-sm);
  transition: all 0.25s ease;
}

.isp-item:hover {
  background: rgba(255, 255, 255, 0.75);
  transform: translateY(-1px);
}

.isp-label {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.isp-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-heading);
  word-break: break-word;
}

.isp-loading {
  display: none;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-4);
  padding: var(--sp-3);
  color: var(--text-body);
  font-size: 0.85rem;
}

.isp-loading.active {
  display: flex;
}

.loader-bar {
  width: 100px;
  height: 3px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.loader-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--pink), transparent);
  animation: loaderSlide 1.2s ease-in-out infinite;
}

@keyframes loaderSlide {
  0% { left: -40%; }
  100% { left: 100%; }
}

/* ===== Two-Column Row ===== */
.row-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6);
}

/* ===== Signal Card ===== */
.signal-content {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.signal-bars {
  display: flex;
  align-items: flex-end;
  gap: var(--sp-2);
  height: 72px;
  flex-shrink: 0;
}

.signal-bar {
  width: 16px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-xs);
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}

.signal-bar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 0%;
  border-radius: var(--radius-xs);
  transition: height 0.6s cubic-bezier(0.4, 0, 0.2, 1), background 0.4s ease;
}

.signal-bar[data-bar="1"] { height: 25%; }
.signal-bar[data-bar="2"] { height: 50%; }
.signal-bar[data-bar="3"] { height: 75%; }
.signal-bar[data-bar="4"] { height: 100%; }

.signal-bar.active[data-bar="1"]::after { height: 100%; background: var(--tier-poor); }
.signal-bar.active[data-bar="2"]::after { height: 100%; background: var(--tier-fair); }
.signal-bar.active[data-bar="3"]::after { height: 100%; background: var(--tier-good); }
.signal-bar.active[data-bar="4"]::after { height: 100%; background: var(--pink); }

.signal-bar.active[data-bar="1"] { box-shadow: 0 0 8px rgba(239, 68, 68, 0.3); }
.signal-bar.active[data-bar="2"] { box-shadow: 0 0 8px rgba(245, 158, 11, 0.3); }
.signal-bar.active[data-bar="3"] { box-shadow: 0 0 8px rgba(0, 184, 132, 0.3); }
.signal-bar.active[data-bar="4"] { box-shadow: 0 0 8px rgba(255, 0, 122, 0.3); }

.signal-info {
  flex: 1;
  min-width: 0;
}

.signal-percentage {
  font-size: 2.2rem;
  font-weight: 900;
  color: var(--text-heading);
  line-height: 1;
  letter-spacing: -1px;
}

.signal-quality {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-body);
  margin-top: var(--sp-1);
}

.signal-meta {
  display: flex;
  gap: var(--sp-6);
  margin-top: var(--sp-3);
  flex-wrap: wrap;
}

.meta-row {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.meta-label {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.meta-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-heading);
}

.signal-badge {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text-dim);
  background: rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.signal-badge.excellent { color: var(--pink); border-color: rgba(255, 0, 122, 0.25); background: var(--pink-soft); }
.signal-badge.good { color: var(--tier-good); border-color: rgba(0, 184, 132, 0.25); background: rgba(0, 184, 132, 0.08); }
.signal-badge.fair { color: var(--tier-fair); border-color: rgba(245, 158, 11, 0.25); background: rgba(245, 158, 11, 0.08); }
.signal-badge.poor { color: var(--tier-poor); border-color: rgba(239, 68, 68, 0.25); background: rgba(239, 68, 68, 0.08); }

/* ===== Stats Card ===== */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-3);
}

.stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-sm);
}

.stat-label {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.5px;
}

/* ===== Ping Grid ===== */
.ping-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: var(--sp-3);
}

.ping-card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.ping-card:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.ping-card.pinging {
  border-color: rgba(255, 0, 122, 0.3);
}

.ping-card.pinging::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--pink), transparent);
  animation: scanLine 1s linear infinite;
}

@keyframes scanLine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.ping-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ping-region {
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-body);
}

.ping-flag {
  font-size: 1.1rem;
}

.ping-value {
  font-size: 1.85rem;
  font-weight: 900;
  line-height: 1;
  color: var(--text-dim);
  letter-spacing: -1px;
  transition: color 0.3s ease;
}

.ping-value.excellent { color: var(--pink); }
.ping-value.good { color: var(--tier-good); }
.ping-value.fair { color: var(--tier-fair); }
.ping-value.poor { color: var(--tier-poor); }
.ping-value.idle { color: var(--text-dim); }

.ping-unit {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-dim);
}

.ping-stats {
  display: flex;
  gap: var(--sp-4);
  padding-top: var(--sp-2);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.ping-stat {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.ping-stat-label {
  font-size: 0.55rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.ping-stat-value {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-body);
}

.ping-stability-bar {
  height: 4px;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 2px;
  overflow: hidden;
}

.ping-stability-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s ease, background 0.4s ease;
  width: 0%;
}

/* ===== Gaming Grid ===== */
.gaming-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: var(--sp-3);
}

.game-card {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-sm);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.game-card:hover {
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--text-dim);
  opacity: 0.3;
  transition: all 0.3s ease;
}

.game-card.perfect::before { background: var(--pink); opacity: 1; }
.game-card.playable::before { background: var(--tier-good); opacity: 1; }
.game-card.warning::before { background: var(--tier-fair); opacity: 1; }
.game-card.danger::before { background: var(--tier-poor); opacity: 1; }

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--sp-2);
}

.game-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-heading);
  line-height: 1.2;
}

.game-server {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 2px;
}

.game-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.game-ping-row {
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
}

.game-ping-value {
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.5px;
}

.game-ping-value.perfect { color: var(--pink); }
.game-ping-value.playable { color: var(--tier-good); }
.game-ping-value.warning { color: var(--tier-fair); }
.game-ping-value.danger { color: var(--tier-poor); }
.game-ping-value.idle { color: var(--text-dim); }

.game-badge {
  font-size: 0.6rem;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: var(--sp-1) var(--sp-2);
  border-radius: var(--radius-pill);
  text-align: center;
  border: 1px solid rgba(0, 0, 0, 0.06);
  color: var(--text-dim);
  background: rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.game-badge.perfect { color: var(--pink); border-color: rgba(255, 0, 122, 0.25); background: var(--pink-soft); }
.game-badge.playable { color: var(--tier-good); border-color: rgba(0, 184, 132, 0.25); background: rgba(0, 184, 132, 0.08); }
.game-badge.warning { color: var(--tier-fair); border-color: rgba(245, 158, 11, 0.25); background: rgba(245, 158, 11, 0.08); }
.game-badge.danger { color: var(--tier-poor); border-color: rgba(239, 68, 68, 0.25); background: rgba(239, 68, 68, 0.08); }

/* ===== Footer ===== */
.site-footer {
  text-align: center;
  padding: var(--sp-8) var(--sp-4) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}

.footer-main {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-heading);
}

.footer-sub {
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .row-two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: var(--sp-4) var(--sp-6);
  }

  .container {
    padding: var(--sp-6) var(--sp-4) var(--sp-10);
  }

  .isp-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .signal-content {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--sp-5);
  }

  .signal-percentage {
    font-size: 1.8rem;
  }

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

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

@media (max-width: 480px) {
  .ping-grid {
    grid-template-columns: 1fr;
  }

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

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

  .glass-card {
    padding: var(--sp-4);
  }

  .hero-title {
    font-size: 1.8rem;
  }
}