/* ===== CSS Variables ===== */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1525;
  --bg-card: #141b2d;
  --bg-card-hover: #1a2340;
  --text-primary: #e8eaf6;
  --text-secondary: #8892b0;
  --text-dim: #5a6380;
  --neon-cyan: #00f5ff;
  --neon-purple: #b14aed;
  --neon-pink: #ff2d75;
  --neon-green: #00ff88;
  --gradient-main: linear-gradient(135deg, #00f5ff, #b14aed);
  --gradient-hover: linear-gradient(135deg, #b14aed, #ff2d75);
  --shadow-neon: 0 0 20px rgba(0,245,255,0.15);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --font-heading: 'Orbitron', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Particles Canvas ===== */
#particles {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}

/* ===== Scanline Overlay ===== */
body::after {
  content: ''; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,245,255,0.015) 2px, rgba(0,245,255,0.015) 4px
  );
  pointer-events: none; z-index: 9999;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(10,14,26,0.85); backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,245,255,0.1);
  padding: 0 20px;
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-glitch {
  font-family: var(--font-heading); font-size: 1.6rem; font-weight: 900;
  background: var(--gradient-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  position: relative;
}
.logo-sub { font-size: 0.75rem; color: var(--text-dim); letter-spacing: 1px; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 0.9rem; color: var(--text-secondary);
  transition: color var(--transition); display: flex; align-items: center; gap: 6px;
}
.nav-links a:hover, .nav-links a.active { color: var(--neon-cyan); }
.nav-toggle { display: none; color: var(--neon-cyan); font-size: 1.3rem; cursor: pointer; }

/* ===== Hero ===== */
.hero {
  position: relative; z-index: 1;
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 100px 20px 60px;
  background: radial-gradient(ellipse at 50% 50%, rgba(177,74,237,0.08) 0%, transparent 60%);
}
.hero-content { max-width: 700px; }
.glitch-text {
  font-family: var(--font-heading); font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900; margin-bottom: 20px;
  background: var(--gradient-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  position: relative; line-height: 1.3;
}
.glitch-text::before, .glitch-text::after {
  content: attr(data-text); position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--gradient-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.glitch-text::before { animation: glitch1 3s infinite; clip-path: polygon(0 0,100% 0,100% 35%,0 35%); }
.glitch-text::after { animation: glitch2 3s infinite; clip-path: polygon(0 65%,100% 65%,100% 100%,0 100%); }
@keyframes glitch1 { 0%,90%,100%{transform:translate(0)} 92%{transform:translate(-3px,1px)} 94%{transform:translate(3px,-1px)} 96%{transform:translate(-2px,2px)} }
@keyframes glitch2 { 0%,90%,100%{transform:translate(0)} 91%{transform:translate(3px,-1px)} 93%{transform:translate(-3px,2px)} 95%{transform:translate(2px,-2px)} }

.hero-desc {
  font-size: 1.1rem; color: var(--text-secondary);
  letter-spacing: 4px; margin-bottom: 40px;
}
.hero-stats { display: flex; justify-content: center; gap: 48px; margin-bottom: 48px; }
.stat { text-align: center; }
.stat-num {
  display: block; font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700;
  background: var(--gradient-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-label { font-size: 0.85rem; color: var(--text-dim); }
.cta-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 36px; border-radius: 50px;
  background: var(--gradient-main); color: var(--bg-primary);
  font-weight: 700; font-size: 1rem; transition: all var(--transition);
  box-shadow: 0 0 30px rgba(0,245,255,0.3);
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(0,245,255,0.5); }

/* ===== Sections ===== */
.section {
  position: relative; z-index: 1;
  padding: 80px 0;
}
.section-dark {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(0,245,255,0.05);
  border-bottom: 1px solid rgba(0,245,255,0.05);
}
.section-title {
  text-align: center; font-family: var(--font-heading);
  font-size: 1.8rem; margin-bottom: 48px;
  display: flex; align-items: center; justify-content: center; gap: 16px;
  color: var(--text-primary);
}
.neon-line {
  display: inline-block; width: 40px; height: 2px;
  background: var(--gradient-main); border-radius: 2px;
}

/* ===== Tool Cards ===== */
.tool-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
}
.tool-card {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 32px 24px; border: 1px solid rgba(0,245,255,0.08);
  transition: all var(--transition); position: relative; overflow: hidden;
  display: block;
}
.tool-card:hover {
  border-color: rgba(0,245,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon);
  background: var(--bg-card-hover);
}
.tool-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: var(--gradient-main); display: flex;
  align-items: center; justify-content: center;
  font-size: 1.4rem; color: var(--bg-primary); margin-bottom: 16px;
}
.tool-card h3 { font-size: 1.15rem; margin-bottom: 8px; }
.tool-card p { font-size: 0.9rem; color: var(--text-secondary); }
.tool-badge {
  position: absolute; top: 16px; right: 16px;
  padding: 4px 10px; border-radius: 20px;
  background: var(--neon-pink); color: #fff; font-size: 0.7rem; font-weight: 700;
}
.tool-badge.soon { background: var(--text-dim); }
.coming-soon { opacity: 0.6; cursor: default; }

/* ===== Game Cards ===== */
.game-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}
.game-card {
  background: var(--bg-card); border-radius: var(--radius);
  overflow: hidden; border: 1px solid rgba(0,245,255,0.08);
  transition: all var(--transition); display: flex; flex-direction: column;
}
.game-card:hover {
  border-color: var(--accent, var(--neon-cyan));
  transform: translateY(-4px);
  box-shadow: 0 0 30px rgba(0,245,255,0.12);
}
.game-cover {
  height: 140px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.game-emoji { font-size: 3.5rem; filter: drop-shadow(0 0 20px rgba(255,255,255,0.3)); }
.game-info { padding: 16px 20px; flex: 1; }
.game-info h3 { font-size: 1rem; margin-bottom: 4px; }
.game-info p { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 8px; }
.game-tags { display: flex; gap: 6px; }
.game-tags span {
  padding: 2px 8px; border-radius: 4px; font-size: 0.7rem;
  background: rgba(0,245,255,0.08); color: var(--neon-cyan);
  border: 1px solid rgba(0,245,255,0.15);
}

/* ===== Footer ===== */
.footer {
  position: relative; z-index: 1;
  background: var(--bg-secondary);
  border-top: 1px solid rgba(0,245,255,0.08);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 40px;
}
.footer-col h4 {
  font-family: var(--font-heading); font-size: 0.85rem;
  color: var(--neon-cyan); margin-bottom: 16px; letter-spacing: 1px;
}
.footer-col p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.8; margin-top: 12px; }
.footer-col a {
  display: block; font-size: 0.85rem; color: var(--text-secondary);
  padding: 4px 0; transition: color var(--transition);
}
.footer-col a:hover { color: var(--neon-cyan); }
.footer-bottom {
  border-top: 1px solid rgba(0,245,255,0.08);
  padding-top: 20px; text-align: center;
  font-size: 0.8rem; color: var(--text-dim);
}

/* ===== Tool Pages Common ===== */
.page-header {
  position: relative; z-index: 1;
  padding: 100px 20px 40px; text-align: center;
  background: radial-gradient(ellipse at 50% 50%, rgba(177,74,237,0.08) 0%, transparent 60%);
}
.page-header h1 {
  font-family: var(--font-heading); font-size: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--gradient-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  margin-bottom: 8px;
}
.page-header p { color: var(--text-secondary); }

.tool-body {
  position: relative; z-index: 1;
  max-width: 900px; margin: 0 auto; padding: 40px 20px 80px;
}

/* ===== Calculator ===== */
.calc-panel {
  background: var(--bg-card); border-radius: var(--radius);
  border: 1px solid rgba(0,245,255,0.1); padding: 32px; margin-bottom: 24px;
}
.calc-panel h2 {
  font-family: var(--font-heading); font-size: 1rem;
  color: var(--neon-cyan); margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
}
.calc-row {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin-bottom: 16px;
}
.calc-field label {
  display: block; font-size: 0.8rem; color: var(--text-dim);
  margin-bottom: 6px;
}
.calc-field input, .calc-field select {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--bg-primary); border: 1px solid rgba(0,245,255,0.15);
  color: var(--text-primary); font-size: 0.95rem;
  transition: border-color var(--transition);
}
.calc-field input:focus, .calc-field select:focus {
  outline: none; border-color: var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0,245,255,0.15);
}
.calc-btn {
  padding: 12px 32px; border: none; border-radius: var(--radius-sm);
  background: var(--gradient-main); color: var(--bg-primary);
  font-weight: 700; font-size: 1rem; cursor: pointer;
  transition: all var(--transition); margin-top: 8px;
}
.calc-btn:hover { box-shadow: 0 0 30px rgba(0,245,255,0.4); transform: translateY(-1px); }

.result-panel {
  background: var(--bg-card); border-radius: var(--radius);
  border: 1px solid rgba(0,245,255,0.2); padding: 28px;
  text-align: center;
}
.result-panel .result-value {
  font-family: var(--font-heading); font-size: 3rem; font-weight: 900;
  background: var(--gradient-main); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.result-panel .result-label { color: var(--text-dim); font-size: 0.9rem; margin-top: 4px; }
.result-breakdown {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 20px;
}
.breakdown-item {
  padding: 12px; border-radius: var(--radius-sm);
  background: var(--bg-primary); text-align: center;
}
.breakdown-item .b-val {
  font-family: var(--font-heading); font-size: 1.2rem; color: var(--neon-cyan);
}
.breakdown-item .b-label { font-size: 0.75rem; color: var(--text-dim); margin-top: 2px; }

/* ===== Table Styles ===== */
.data-table {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
  background: var(--bg-card); border-radius: var(--radius); overflow: hidden;
}
.data-table th {
  background: rgba(0,245,255,0.08); color: var(--neon-cyan);
  padding: 14px 16px; text-align: left; font-weight: 600;
  font-family: var(--font-heading); font-size: 0.8rem; letter-spacing: 0.5px;
}
.data-table td {
  padding: 12px 16px; border-top: 1px solid rgba(0,245,255,0.06);
  color: var(--text-secondary);
}
.data-table tr:hover td { background: rgba(0,245,255,0.03); color: var(--text-primary); }
.badge-new {
  padding: 2px 8px; border-radius: 4px; font-size: 0.7rem;
  background: var(--neon-green); color: var(--bg-primary); font-weight: 700;
}
.badge-expired {
  padding: 2px 8px; border-radius: 4px; font-size: 0.7rem;
  background: rgba(255,45,117,0.2); color: var(--neon-pink);
}
.badge-active {
  padding: 2px 8px; border-radius: 4px; font-size: 0.7rem;
  background: rgba(0,255,136,0.15); color: var(--neon-green);
}
.filter-bar {
  display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap;
}
.filter-btn {
  padding: 8px 18px; border-radius: 20px; border: 1px solid rgba(0,245,255,0.2);
  background: transparent; color: var(--text-secondary);
  cursor: pointer; font-size: 0.85rem; transition: all var(--transition);
}
.filter-btn:hover, .filter-btn.active {
  background: var(--gradient-main); color: var(--bg-primary);
  border-color: transparent; font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 64px; left: 0; width: 100%;
    background: rgba(10,14,26,0.95); backdrop-filter: blur(20px);
    flex-direction: column; padding: 20px; gap: 16px;
    border-bottom: 1px solid rgba(0,245,255,0.1);
  }
  .nav-links.show { display: flex; }
  .nav-toggle { display: block; }
  .hero-stats { gap: 24px; }
  .stat-num { font-size: 1.6rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .result-breakdown { grid-template-columns: 1fr; }
  .game-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
  .game-cover { height: 100px; }
  .game-emoji { font-size: 2.5rem; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .tool-grid { grid-template-columns: 1fr; }
}