/* Layout CSS - Premium Utility System */

/* === Flex === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }

.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }

.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.flex-shrink-0 { flex-shrink: 0; }

.gap-1 { gap: var(--sp-1); }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }
.gap-5 { gap: var(--sp-5); }
.gap-6 { gap: var(--sp-6); }

/* === Grid === */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* === Spacing === */
.p-0 { padding: 0; }
.p-2 { padding: var(--sp-2); }
.p-3 { padding: var(--sp-3); }
.p-4 { padding: var(--sp-4); }
.p-5 { padding: var(--sp-5); }
.p-6 { padding: var(--sp-6); }
.px-2 { padding-left: var(--sp-2); padding-right: var(--sp-2); }
.px-3 { padding-left: var(--sp-3); padding-right: var(--sp-3); }
.px-4 { padding-left: var(--sp-4); padding-right: var(--sp-4); }
.py-2 { padding-top: var(--sp-2); padding-bottom: var(--sp-2); }
.py-3 { padding-top: var(--sp-3); padding-bottom: var(--sp-3); }
.py-4 { padding-top: var(--sp-4); padding-bottom: var(--sp-4); }
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mb-2 { margin-bottom: var(--sp-2); }
.mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); }
.mx-auto { margin-left: auto; margin-right: auto; }

/* === Text === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-md { font-size: var(--text-md); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-extrabold { font-weight: 800; }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-hint { color: var(--text-hint); }
.text-white { color: var(--text-white); }
.text-gray { color: var(--gray-500); }
.text-red { color: #d32f2f; }
.text-green { color: #2d8f50; }
.text-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.text-ellipsis-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* === Display === */
.block { display: block; }
.inline-block { display: inline-block; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }

/* === Overflow === */
.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* === Border Radius === */
.rounded-xs { border-radius: var(--radius-xs); }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* === Shadows === */
.shadow-xs { box-shadow: var(--shadow-xs); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* === Transitions === */
.transition { transition: all var(--duration-normal) var(--ease-default); }
.transition-fast { transition: all var(--duration-fast) var(--ease-default); }
.transition-slow { transition: all var(--duration-slow) var(--ease-default); }

/* === Page Container === (defined in reset.css) */

/* === Card System === */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  padding: var(--sp-4);
  margin-bottom: var(--sp-3);
  border: 1px solid rgba(0,0,0,0.04);
}

.card-elevated {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--sp-5);
  margin-bottom: var(--sp-3);
}

/* === Button System === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--text-sm);
  cursor: pointer;
  border: none;
  transition: all var(--duration-fast) var(--ease-default);
  -webkit-user-select: none;
  user-select: none;
  position: relative;
  overflow: hidden;
}

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

.btn-primary {
  background: var(--green-gradient);
  color: white;
  box-shadow: var(--shadow-green);
}

.btn-primary:active { box-shadow: none; filter: brightness(0.9); }

.btn-secondary {
  background: var(--gray-100);
  color: var(--text-primary);
  border: 1px solid var(--gray-300);
}

.btn-secondary:active { background: var(--gray-200); }

.btn-danger {
  background: #d32f2f;
  color: white;
  box-shadow: 0 4px 12px rgba(211,47,47,0.3);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--green-primary);
  color: var(--green-primary);
}

.btn-outline:active { background: var(--green-light); }

/* === Tactic Buttons (Team Page) === */
.tactic-active {
  background: var(--green-dark);
  color: #ffffff;
  border: 1.5px solid var(--green-dark);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}
.tactic-option {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1.5px solid var(--gray-300);
  font-weight: 500;
}
.tactic-option:active {
  background: var(--gray-100);
}

.btn-gold {
  background: var(--gold-gradient);
  color: white;
  box-shadow: var(--shadow-gold);
}

.btn-sm { padding: 6px 12px; font-size: var(--text-xs); border-radius: var(--radius-sm); }
.btn-large { padding: 14px 24px; font-size: var(--text-base); border-radius: var(--radius-lg); }
.btn-block { width: 100%; }

/* Ripple effect */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--ripple-x, 50%) var(--ripple-y, 50%), rgba(255,255,255,0.3) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.4s;
}
.btn:active::after { opacity: 1; transition: opacity 0s; }

/* === Section Title === */
.section-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: var(--sp-3);
  color: var(--gray-800);
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.section-title::before {
  content: '';
  width: 3px; height: 16px;
  background: var(--green-primary);
  border-radius: 2px;
}

/* === Badge/Chip === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
}

.badge-green { background: var(--green-light); color: var(--green-primary); }
.badge-red { background: var(--red-light); color: var(--red-danger); }
.badge-blue { background: var(--blue-light); color: var(--blue-info); }
.badge-gold { background: var(--gold-light); color: var(--gold-accent); }
.badge-purple { background: var(--purple-light); color: var(--purple-rare); }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }

/* === Animations === */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes slideDown { from { transform: translateY(-24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.9); opacity: 0; } to { transform: scale(1); opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes bounceIn {
  0% { transform: scale(0.3); opacity: 0; }
  50% { transform: scale(1.05); }
  70% { transform: scale(0.9); }
  100% { transform: scale(1); opacity: 1; }
}
@keyframes goalFlash {
  0% { background: rgba(26,122,58,0); }
  30% { background: rgba(26,122,58,0.15); }
  100% { background: rgba(26,122,58,0); }
}