/* ============================================================
   NESSID [NSD] — MODERN DESIGN SYSTEM & STYLESHEET
   Official osu!catch Team & Community Web Application
   ============================================================ */

/* ─── 1. DESIGN TOKENS & CSS VARIABLES ─────────────────────── */
:root {
  --bg-dark: #07080c;
  --bg-card: rgba(13, 16, 26, 0.75);
  --bg-card-hover: rgba(20, 25, 40, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(244, 63, 94, 0.35);
  
  --brand-rose: #f43f5e;
  --brand-pink: #fb7185;
  --brand-purple: #c084fc;
  --brand-cyan: #38bdf8;
  --brand-amber: #fbbf24;
  --brand-emerald: #34d399;
  
  --text-main: #f4f4f5;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;

  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ─── 2. BASE & RESET ───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, canvas {
  display: block;
  max-width: 100%;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: #1e2538;
  border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-rose);
}

/* ─── 3. LAYOUT CONTAINER ───────────────────────────────────── */
.wrap {
  width: 100%;
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

@media (min-width: 640px) {
  .wrap {
    padding-left: 1.75rem;
    padding-right: 1.75rem;
  }
}

.sec {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

@media (min-width: 768px) {
  .sec {
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
}

/* ─── 4. GLASS CARDS & INTERACTIVE ELEM ─────────────────────── */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.glass-card-hover {
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

@media (hover: hover) and (pointer: fine) {
  .glass-card-hover:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: 0 12px 36px rgba(244, 63, 94, 0.18), 0 0 0 1px rgba(244, 63, 94, 0.2);
  }
}

.glass-card-hover:active {
  transform: scale(0.985);
}

/* ─── 5. TYPOGRAPHY & GRADIENTS ─────────────────────────────── */
.t-hero {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.t-title {
  font-size: clamp(1.35rem, 4.5vw, 1.85rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.gtext {
  background: linear-gradient(135deg, #fb7185 0%, #f43f5e 35%, #c084fc 70%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gtext-gold {
  background: linear-gradient(135deg, #fef08a 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── 6. BUTTONS & CONTROLS ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.8125rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-normal);
  touch-action: manipulation;
  user-select: none;
}

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

.btn-primary {
  background: linear-gradient(135deg, #f43f5e 0%, #e11d48 50%, #b91c1c 100%);
  color: #ffffff;
  box-shadow: 0 0 20px rgba(244, 63, 94, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

@media (hover: hover) {
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 28px rgba(244, 63, 94, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.3);
  }
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: #e4e4e7;
  border-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

@media (hover: hover) {
  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(244, 63, 94, 0.4);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  }
}

/* ─── 7. PILLS & BADGES ─────────────────────────────────────── */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  border: 1px solid;
}

/* ─── 8. GLOW ORBS & BACKGROUNDS ────────────────────────────── */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.orb-rose   { background: radial-gradient(circle, rgba(244, 63, 94, 0.18) 0%, transparent 70%); }
.orb-purple { background: radial-gradient(circle, rgba(192, 132, 252, 0.14) 0%, transparent 70%); }
.orb-cyan   { background: radial-gradient(circle, rgba(56, 189, 248, 0.12) 0%, transparent 70%); }

/* ─── 9. ANIMATIONS ─────────────────────────────────────────── */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.03); }
}

.anim-float { animation: floatY 6s ease-in-out infinite; }
.anim-pulse-glow { animation: pulseGlow 4s ease-in-out infinite; }

/* Scroll reveal transition */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.on {
  opacity: 1;
  transform: translateY(0);
}

/* ─── 10. NAVIGATION & HEADER ───────────────────────────────── */
#navbar {
  transition: padding var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}
#navbar.scrolled {
  padding-top: 0.65rem;
  padding-bottom: 0.65rem;
  background-color: rgba(7, 8, 12, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.nav-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: var(--brand-pink);
}

/* Mobile Navigation Drawer */
#mobileDrawer {
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1), transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
#mobileDrawer.hidden-drawer {
  display: none !important;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

/* ─── 11. ROSTER SEARCH & TABS ──────────────────────────────── */
.filter-tab {
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-tab.active {
  background: var(--brand-rose);
  color: #ffffff;
  border-color: var(--brand-rose);
  box-shadow: 0 0 16px rgba(244, 63, 94, 0.4);
}

.search-input {
  background: rgba(13, 16, 26, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem 0.5rem 2.4rem;
  font-size: 0.8125rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  width: 100%;
}

.search-input:focus {
  border-color: var(--brand-rose);
  box-shadow: 0 0 0 3px rgba(244, 63, 94, 0.2);
}

/* ─── 12. FAQ ACCORDION ─────────────────────────────────────── */
.faq-ans {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.28s ease, padding 0.28s ease;
}

.faq-ans.open {
  max-height: 320px;
  opacity: 1;
  padding-bottom: 1rem;
}

/* ─── 13. GAME CANVAS ────────────────────────────────────────── */
#gameCanvas {
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: crosshair;
}