/* ============================================================
   styles.css — Shared Modern CSS for D.I.Y. Teamwork
   Ultra-Modern Glassmorphic, Neon & 3D Interactive Design
   ============================================================ */

/* ── GOOGLE FONTS ── */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Sarabun:wght@300;400;500;600;700&display=swap');

/* ── CSS VARIABLES ── */
:root {
  --primary:        #10b981;
  --primary-dark:   #059669;
  --primary-light:  #34d399;
  --secondary:      #3b82f6;
  --secondary-dark: #1d4ed8;
  --accent:         #f59e0b;
  --danger:         #ef4444;
  --danger-dark:    #dc2626;
  --purple:         #8b5cf6;
  --purple-dark:    #6d28d9;
  --pink:           #ec4899;
  --cyan:           #06b6d4;
  --indigo:         #6366f1;

  --bg-dark:        #060a14;
  --bg-card:        rgba(15, 23, 42, 0.75);
  --bg-card2:       rgba(30, 41, 59, 0.8);
  --bg-glass:       rgba(255, 255, 255, 0.03);
  --bg-hover:       rgba(255, 255, 255, 0.07);
  
  --border:         rgba(255, 255, 255, 0.1);
  --border-light:   rgba(255, 255, 255, 0.18);
  --border-neon:    rgba(16, 185, 129, 0.4);

  --text-primary:   #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted:     #64748b;

  --radius-sm:  8px;
  --radius:     14px;
  --radius-lg:  20px;
  --radius-xl:  28px;

  --shadow-sm:   0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow:      0 12px 32px rgba(0, 0, 0, 0.5);
  --shadow-lg:   0 24px 60px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 0 35px rgba(16, 185, 129, 0.35);
  --shadow-neon: 0 0 25px rgba(59, 130, 246, 0.4);

  --transition:      all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.45s cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-main: 'Outfit', 'Sarabun', sans-serif;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; scroll-behavior:smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}
a { color:inherit; text-decoration:none; }
button { font-family:inherit; }
input, textarea, select { font-family:inherit; }
img { max-width:100%; display:block; }

/* ── CANVAS BACKGROUND OVERLAY ── */
#cyber-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(255,255,255,0.18); border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:var(--primary); }

/* ── TYPOGRAPHY ── */
h1,h2,h3,h4,h5,h6 { font-family:var(--font-main); line-height:1.25; letter-spacing: -0.02em; }
.text-muted  { color:var(--text-muted); }
.text-sm     { font-size:13px; }
.text-xs     { font-size:11px; }
.text-lg     { font-size:18px; }
.text-xl     { font-size:24px; }
.text-center { text-align:center; }
.font-bold   { font-weight:700; }
.font-medium { font-weight:500; }
.gradient-text {
  background: linear-gradient(135deg, #34d399 0%, #60a5fa 50%, #c084fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ── BUTTONS & INTERACTION ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:12px 24px; border-radius:var(--radius);
  border:none; cursor:pointer; font-size:14px; font-weight:700;
  transition:var(--transition); white-space:nowrap;
  font-family:var(--font-main);
  position: relative;
  overflow: hidden;
  user-select: none;
}
.btn::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 0; height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s ease-out, height 0.4s ease-out;
}
.btn:active::after {
  width: 200px;
  height: 200px;
  transition: 0s;
}
.btn:disabled { opacity:0.45; cursor:not-allowed; transform:none !important; box-shadow:none !important; }
.btn-sm  { padding:8px 16px; font-size:13px; border-radius:var(--radius-sm); }
.btn-lg  { padding:16px 32px; font-size:16px; border-radius:var(--radius-lg); }
.btn-xl  { padding:20px 40px; font-size:18px; border-radius:var(--radius-xl); font-weight:800; }
.btn-icon { padding:12px; border-radius:var(--radius); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(16, 185, 129, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: var(--text-primary);
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.btn-blue {
  background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(59, 130, 246, 0.35);
}
.btn-blue:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
}

.btn-purple {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(139, 92, 246, 0.35);
}
.btn-purple:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(139, 92, 246, 0.5);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: #fff;
  box-shadow: 0 4px 18px rgba(239, 68, 68, 0.35);
}
.btn-danger:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.5);
}

.btn-neon {
  background: rgba(16, 185, 129, 0.1);
  border: 1.5px solid var(--primary);
  color: var(--primary-light);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.2);
}
.btn-neon:hover {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 0 25px rgba(16, 185, 129, 0.6);
  transform: translateY(-2px);
}

.btn-cyber {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(99, 102, 241, 0.2));
  border: 1.5px solid var(--cyan);
  color: #a5f3fc;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.25);
  backdrop-filter: blur(12px);
}
.btn-cyber:hover {
  background: linear-gradient(135deg, var(--cyan), var(--indigo));
  color: #fff;
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--border-light);
  color: var(--text-secondary);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(16, 185, 129, 0.08);
}

.btn-ghost { background:transparent; color:var(--text-muted); }
.btn-ghost:hover { background:var(--bg-hover); color:var(--text-primary); }

/* ── CARDS & GLASSMORPHISM ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.card-sm { padding:18px; border-radius:var(--radius); }
.glass-card {
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}
.card-hover:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(30, 41, 59, 0.85);
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(255, 255, 255, 0.05);
}

/* ── 3D TILT CONTAINER ── */
.card-3d {
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── FORM ELEMENTS ── */
.form-group { margin-bottom:18px; }
.form-label { display:block; font-size:13px; font-weight:700; color:var(--text-secondary); margin-bottom:8px; letter-spacing:0.3px; }
.form-input, .form-select, .form-textarea {
  width:100%; padding:13px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  color: var(--text-primary); font-size:14px;
  outline: none; transition: var(--transition);
  backdrop-filter: blur(8px);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  background: rgba(16, 185, 129, 0.08);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.25);
}
.form-input::placeholder { color:var(--text-muted); }
.form-select { cursor:pointer; }
.form-select option { background:#0f172a; color:var(--text-primary); }
.form-textarea { resize:vertical; min-height:110px; }
.form-hint { font-size:12px; color:var(--text-muted); margin-top:6px; }

/* ── BADGES & STATUS ── */
.badge {
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 12px; border-radius:999px;
  font-size:11px; font-weight:800; letter-spacing:0.6px; text-transform:uppercase;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.badge-green  { background:rgba(16,185,129,0.18); color:#34d399; border:1px solid rgba(16,185,129,0.35); }
.badge-blue   { background:rgba(59,130,246,0.18); color:#60a5fa; border:1px solid rgba(59,130,246,0.35); }
.badge-yellow { background:rgba(245,158,11,0.18); color:#fbbf24; border:1px solid rgba(245,158,11,0.35); }
.badge-red    { background:rgba(239,68,68,0.18);  color:#f87171; border:1px solid rgba(239,68,68,0.35); }
.badge-purple { background:rgba(139,92,246,0.18); color:#c084fc; border:1px solid rgba(139,92,246,0.35); }
.badge-gray   { background:rgba(255,255,255,0.08); color:var(--text-muted); border:1px solid rgba(255,255,255,0.12); }

/* ── STAT CARDS ── */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(12px);
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.stat-value { font-size:38px; font-weight:900; line-height:1; margin-bottom:6px; letter-spacing:-0.03em; }
.stat-label { font-size:13px; color:var(--text-muted); font-weight:600; text-transform:uppercase; letter-spacing:0.5px; }
.stat-change { font-size:12px; color:var(--primary-light); margin-top:6px; font-weight:700; }

/* ── TABS ── */
.tabs { display:flex; gap:6px; background:rgba(255,255,255,0.04); border-radius:var(--radius); padding:5px; border:1px solid var(--border); }
.tab-btn {
  flex:1; padding:10px 18px; border-radius:var(--radius-sm);
  border:none; background:transparent; color:var(--text-muted);
  cursor:pointer; font-size:13px; font-weight:700; transition:var(--transition);
  font-family:var(--font-main);
}
.tab-btn.active { background:var(--bg-card2); color:var(--primary-light); box-shadow:0 4px 12px rgba(0,0,0,0.3); border:1px solid rgba(16,185,129,0.3); }
.tab-btn:hover:not(.active) { color:var(--text-primary); background:rgba(255,255,255,0.04); }

/* ── TOAST NOTIFICATION ── */
#toast-container {
  position:fixed; bottom:28px; right:28px; z-index:9999;
  display:flex; flex-direction:column; gap:10px;
}
.toast {
  display:flex; align-items:center; gap:14px;
  padding:16px 22px; border-radius:var(--radius);
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg); min-width:300px; max-width:420px;
  animation: toastIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
  font-size:14px; font-weight:600;
}
.toast.success { border-color:rgba(16,185,129,0.5); box-shadow:0 8px 30px rgba(16,185,129,0.25); }
.toast.error   { border-color:rgba(239,68,68,0.5); box-shadow:0 8px 30px rgba(239,68,68,0.25); }
.toast.info    { border-color:rgba(59,130,246,0.5); box-shadow:0 8px 30px rgba(59,130,246,0.25); }
.toast-icon    { font-size:22px; flex-shrink:0; }
.toast-msg     { flex:1; color:var(--text-primary); }
@keyframes toastIn { from{transform:translateX(100%) scale(0.9);opacity:0} to{transform:translateX(0) scale(1);opacity:1} }
@keyframes toastOut { from{transform:translateX(0) scale(1);opacity:1} to{transform:translateX(100%) scale(0.9);opacity:0} }

/* ── SPINNER & OVERLAY ── */
.spinner {
  width:46px; height:46px; border-radius:50%;
  border:3.5px solid rgba(16,185,129,0.15);
  border-top-color:var(--primary);
  border-right-color:var(--secondary);
  animation:spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}
.spinner-sm { width:22px; height:22px; border-width:2.5px; }
@keyframes spin { to{transform:rotate(360deg)} }

.loading-overlay {
  position:fixed; inset:0; z-index:9000;
  background:rgba(6,10,20,0.85); backdrop-filter:blur(16px);
  display:flex; align-items:center; justify-content:center;
  flex-direction:column; gap:20px;
}
.loading-text { color:var(--text-secondary); font-size:15px; font-weight:700; letter-spacing:0.5px; }

/* ── MODALS ── */
.modal-backdrop {
  display:none; position:fixed; inset:0; z-index:500;
  background:rgba(0,0,0,0.8); backdrop-filter:blur(12px);
  align-items:center; justify-content:center; padding:20px;
}
.modal-backdrop.open { display:flex; }
.modal-panel {
  background: var(--bg-card2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl); padding:36px;
  width:100%; max-width:540px; max-height:90vh; overflow-y:auto;
  animation:modalIn 0.35s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7), var(--shadow-glow);
}
@keyframes modalIn { from{transform:scale(0.88) translateY(20px);opacity:0} to{transform:scale(1) translateY(0);opacity:1} }
.modal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:24px; }
.modal-title { font-size:22px; font-weight:800; }
.modal-close { background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:24px; padding:6px; border-radius:50%; transition:var(--transition); }
.modal-close:hover { color:var(--text-primary); background:rgba(255,255,255,0.1); }

/* ── LEADERBOARD ── */
.leaderboard-item {
  display:flex; align-items:center; gap:16px;
  padding:16px 20px; border-radius:var(--radius);
  background:rgba(255,255,255,0.03); border:1px solid var(--border);
  margin-bottom:10px; transition:var(--transition);
}
.leaderboard-item.rank-1 {
  background: linear-gradient(135deg, rgba(245,158,11,0.18), rgba(245,158,11,0.05));
  border-color: rgba(245,158,11,0.4);
  box-shadow: 0 0 20px rgba(245,158,11,0.2);
}
.leaderboard-item.rank-2 {
  background: linear-gradient(135deg, rgba(148,163,184,0.15), rgba(148,163,184,0.04));
  border-color: rgba(148,163,184,0.3);
}
.leaderboard-item.rank-3 {
  background: linear-gradient(135deg, rgba(180,130,80,0.15), rgba(180,130,80,0.04));
  border-color: rgba(180,130,80,0.3);
}
.rank-badge {
  width:42px; height:42px; border-radius:12px; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:20px; font-weight:900;
}
.rank-1 .rank-badge { background:rgba(245,158,11,0.25); color:#fbbf24; border:1px solid rgba(245,158,11,0.4); }
.rank-2 .rank-badge { background:rgba(148,163,184,0.2); color:#e2e8f0; border:1px solid rgba(148,163,184,0.3); }
.rank-3 .rank-badge { background:rgba(180,130,80,0.2); color:#f59e0b; border:1px solid rgba(180,130,80,0.3); }
.rank-other .rank-badge { background:rgba(255,255,255,0.06); color:var(--text-muted); font-size:15px; }
.player-name { flex:1; font-weight:700; font-size:16px; color:#fff; }
.player-score { font-size:22px; font-weight:900; color:#34d399; text-shadow:0 0 12px rgba(52,211,153,0.5); }

.leaderboard-item:hover {
  transform: translateX(6px) scale(1.01);
  box-shadow: 0 8px 25px rgba(0,0,0,0.4), 0 0 20px rgba(16,185,129,0.15);
}

/* ── FLOATING REACTION DOCK & ANIMATION ── */
.floating-reaction-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  overflow: hidden;
}
.floating-emoji {
  position: absolute;
  bottom: -50px;
  font-size: 38px;
  animation: floatEmojiUp 4s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  filter: drop-shadow(0 4px 10px rgba(0,0,0,0.5));
}
@keyframes floatEmojiUp {
  0% { transform: translateY(0) scale(0.5) rotate(0deg); opacity: 0; }
  15% { opacity: 1; transform: translateY(-100px) scale(1.2) rotate(-10deg); }
  80% { opacity: 0.9; }
  100% { transform: translateY(-105vh) scale(0.8) rotate(20deg); opacity: 0; }
}

.reaction-dock {
  display: flex;
  gap: 8px;
  justify-content: center;
  padding: 8px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(16px);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.reaction-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.08);
  font-size: 22px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
  -webkit-tap-highlight-color: transparent;
}
.reaction-btn:hover, .reaction-btn:active {
  transform: scale(1.3) translateY(-4px);
  background: rgba(16, 185, 129, 0.2);
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

/* ── GRID UTILITIES ── */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.flex   { display:flex; }
.flex-center { display:flex; align-items:center; justify-content:center; }
.flex-between { display:flex; align-items:center; justify-content:space-between; }
.gap-8  { gap:8px; }
.gap-12 { gap:12px; }
.gap-16 { gap:16px; }
.mb-8   { margin-bottom:8px; }
.mb-16  { margin-bottom:16px; }
.mb-24  { margin-bottom:24px; }
.mt-16  { margin-top:16px; }
.mt-24  { margin-top:24px; }

@media (max-width:768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
}