/* ============================================
   AURUM — Components
   Buttons, cards, badges, inputs, nav, modals.
   Every screen builds from these.
============================================ */

/* --- BUTTONS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-gold);
  color: #0A0A0A;
  border-color: var(--color-gold);
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-gold);
  box-shadow: var(--shadow-gold);
}

.btn-outline {
  background: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold-dim);
}

.btn-outline:hover {
  background: var(--color-gold-glow);
  border-color: var(--color-gold);
}

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

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-surface-3);
  background: var(--color-surface-2);
}

.btn-danger {
  background: transparent;
  color: var(--color-danger);
  border-color: var(--color-danger);
}

.btn-danger:hover {
  background: var(--color-danger);
  color: var(--color-text);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-full {
  width: 100%;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

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

.card:hover {
  border-color: var(--color-border-gold);
}

.card-sm {
  padding: var(--space-4);
}

.card-gold {
  border-color: var(--color-border-gold);
  box-shadow: var(--shadow-gold);
}

/* --- BADGES --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.badge-gold {
  background: var(--color-gold-glow);
  color: var(--color-gold);
  border-color: var(--color-border-gold);
}

.badge-success {
  background: rgba(46,204,113,0.1);
  color: var(--color-success);
  border-color: rgba(46,204,113,0.2);
}

.badge-danger {
  background: rgba(231,76,60,0.1);
  color: var(--color-danger);
  border-color: rgba(231,76,60,0.2);
}

.badge-muted {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}

/* League badges */
.badge-bronze  { background: rgba(205,127,50,0.1); color: #CD7F32; border-color: rgba(205,127,50,0.3); }
.badge-silver  { background: rgba(192,192,192,0.1); color: #C0C0C0; border-color: rgba(192,192,192,0.3); }
.badge-gold-lg { background: rgba(201,168,76,0.1); color: var(--color-gold); border-color: var(--color-border-gold); }
.badge-sovereign { background: rgba(201,168,76,0.15); color: var(--color-gold); border-color: var(--color-gold); box-shadow: var(--shadow-gold); }

/* --- INPUTS --- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-label {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.input:focus {
  border-color: var(--color-gold-dim);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}

.input::placeholder {
  color: var(--color-text-dim);
}

.input-error {
  border-color: var(--color-danger) !important;
}

.input-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.input-hint.error {
  color: var(--color-danger);
}

/* --- AVATAR --- */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold);
  overflow: hidden;
  flex-shrink: 0;
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--text-base); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--text-2xl); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--text-3xl); }

.avatar-gold {
  border-color: var(--color-gold-dim);
  box-shadow: var(--shadow-gold);
}

/* --- DIVIDER WITH LABEL --- */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text-dim);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

/* --- STAT BLOCK --- */
.stat-block {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* --- TOP NAV --- */
.top-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  letter-spacing: 0.15em;
  color: var(--color-gold);
  text-transform: uppercase;
}

/* --- BOTTOM NAV (App) --- */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--bottom-nav-h);
  background: rgba(17,17,17,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--space-2);
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color var(--transition-base);
  cursor: pointer;
  border-radius: var(--radius-md);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.nav-item.active {
  color: var(--color-gold);
}

.nav-item:hover {
  color: var(--color-text);
}

/* --- TOAST NOTIFICATION --- */
.toast {
  position: fixed;
  bottom: calc(var(--bottom-nav-h) + var(--space-4));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  background: var(--color-surface-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.3s ease;
  white-space: nowrap;
}

.toast.success { border-color: rgba(46,204,113,0.3); color: var(--color-success); }
.toast.error   { border-color: rgba(231,76,60,0.3);  color: var(--color-danger); }
.toast.gold    { border-color: var(--color-border-gold); color: var(--color-gold); }

/* --- LOADING SKELETON --- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-surface) 25%,
    var(--color-surface-2) 50%,
    var(--color-surface) 75%
  );
  background-size: 200% 100%;
  animation: skeletonPulse 1.5s ease infinite;
  border-radius: var(--radius-md);
}

@keyframes skeletonPulse {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* --- EMPTY STATE --- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  padding: var(--space-16) var(--space-8);
  text-align: center;
}

.empty-state-icon {
  font-size: 2.5rem;
  opacity: 0.3;
}

.empty-state h4 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-text-muted);
}

.empty-state p {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  max-width: 240px;
}

/* --- MODAL OVERLAY --- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: var(--space-6);
  width: 100%;
  max-width: var(--max-width);
  max-height: 85vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

.modal-handle {
  width: 40px;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-6);
}

.modal-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-light);
  margin-bottom: var(--space-6);
}