/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  background: #0891b2;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-glow);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: 2px;
}

.btn-secondary {
  background: var(--color-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background: #7c3aed;
  transform: translateY(-1px);
}

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  background: var(--color-elevated);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-danger:hover {
  background: #c44a40;
  transform: translateY(-1px);
}

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

.btn-warning {
  background: var(--color-warning);
  color: #fff;
}

.btn-warning:hover {
  background: #d97706;
  transform: translateY(-1px);
}

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

.btn-success {
  background: var(--color-success);
  color: #fff;
}

.btn-success:hover {
  background: #16a34a;
  transform: translateY(-1px);
}

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

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: var(--text-lg);
  font-weight: 600;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-4);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
}

.form-error {
  color: var(--color-danger);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: 9999px;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success { background: rgba(34, 197, 94, 0.15); color: var(--color-success); }
.badge-danger { background: rgba(220, 80, 70, 0.15); color: var(--color-danger); }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); }
.badge-info { background: rgba(6, 182, 212, 0.15); color: var(--color-primary); }

/* Auth page layout */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
}

.auth-card {
  width: 100%;
  max-width: 420px;
}

.auth-card h2 {
  margin-bottom: var(--space-6);
  text-align: center;
}

/* Hero section */
.hero {
  position: relative;
  padding: var(--space-40) 0;
  text-align: center;
  background: url('../img/bg.png') center/cover no-repeat;
}

.hero.hero-home {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-4);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(18, 21, 32, 0.65);
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.hero-subtitle {
  font-size: var(--text-lg);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  color: var(--color-text);
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Page header (used on non-hero pages like Games) */
.page-header {
  padding: var(--space-12) 0;
  text-align: center;
}

.page-header-subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
}

.page-header-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* Games list */
.games-list {
  margin-top: var(--space-8);
}

.games-list h2 {
  margin-bottom: var(--space-6);
}

/* Game table (used on games list page) */
.game-table-wrap {
  background: rgba(32, 38, 54, 0.9);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.game-table {
  width: 100%;
  border-collapse: collapse;
}

.game-table th,
.game-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  white-space: nowrap;
}

.game-table th {
  background: rgba(18, 21, 32, 0.7);
  color: var(--color-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: var(--text-xs);
}

.game-table tbody tr {
  border-top: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.game-table tbody tr:hover {
  background: rgba(52, 61, 76, 0.6);
}

.game-table td {
  color: var(--color-text);
  font-size: var(--text-sm);
  vertical-align: middle;
}

.game-table .col-game   { width: 18%; }
.game-table .col-host   { width: 18%; }
.game-table .col-opp    { width: 18%; }
.game-table .col-type   { width: 12%; }
.game-table .col-time   { width: 12%; }
.game-table .col-status { width: 12%; }
.game-table .col-action { width: 10%; text-align: right; }

.game-name {
  font-weight: 600;
  color: var(--color-text);
}

.game-meta {
  color: var(--color-text-secondary);
  font-size: var(--text-xs);
}

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-text);
}

.empty-state p {
  color: var(--color-text-secondary);
  margin-top: var(--space-2);
}

@media (max-width: 768px) {
  .game-table-wrap { overflow-x: auto; }
  .game-table th, .game-table td { padding: var(--space-3) var(--space-4); }
}

/* Nav user display */
.nav-user {
  color: var(--color-text);
  font-weight: 500;
  font-size: var(--text-sm);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  width: 100%;
  max-width: 420px;
  margin: var(--space-4);
  transform: translateY(-10px);
  transition: transform var(--transition-fast);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.modal-header h3 {
  font-size: var(--text-xl);
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--color-text-secondary);
  font-size: var(--text-xl);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.modal-actions .btn {
  flex: 1;
}

/* Wide modal variant (admin edit user/game) */
.modal-content.modal-wide {
  max-width: 920px;
  width: 92vw;
  padding: 0;
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: rgba(30, 41, 59, 0.92);
  border: 1px solid rgba(71, 85, 105, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: flex;
  flex-direction: column;
  height: 90vh;
}

.modal-content.modal-wide .modal-body {
  flex: 1 1 0;
  overflow: hidden;
  min-height: 0;
}

.modal-content.modal-wide .modal-header {
  padding: var(--space-5) var(--space-6) var(--space-4);
  margin-bottom: 0;
  border-bottom: 1px solid rgba(71, 85, 105, 0.35);
}

.modal-content.modal-wide .modal-header h3 {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.modal-content.modal-wide .modal-actions {
  padding: var(--space-4) var(--space-6);
  margin-top: 0;
  border-top: 1px solid rgba(71, 85, 105, 0.35);
  background: rgba(15, 23, 42, 0.35);
  gap: var(--space-3);
}

.modal-content.modal-wide .modal-actions .btn {
  flex: 0 0 auto;
  padding: var(--space-3) var(--space-6);
}

/* Expandable form section */
.form-expandable {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-fast), opacity var(--transition-fast);
  opacity: 0;
}

.form-expandable.open {
  max-height: 300px;
  opacity: 1;
}