/* ==========================================================================
   Modales (Detalle y Creación de Carrera)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.82);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  transition: opacity var(--transition-fast);
}

.modal-overlay.hidden {
  display: none;
  opacity: 0;
}

.modal-card {
  background: var(--bg-dark-800);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  display: flex;
  flex-direction: column;
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 10;
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.modal-header {
  padding: 24px 28px 16px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.modal-badge-group {
  display: flex;
  gap: 8px;
  align-items: center;
}

.type-pill {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.distance-pill {
  background: rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
}

.user-dist-pill {
  font-size: 0.75rem;
  font-weight: 700;
  color: #38bdf8;
  background: rgba(56, 189, 248, 0.15);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.modal-race-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
}

.modal-race-location {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.modal-body {
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.metrics-grid {
  display: grid;
  /* Una columna por métrica visible: 4 en trail, 3 en populares (sin desnivel) */
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  gap: 10px;
}

.metric-box {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  font-weight: 600;
}

.metric-value {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

.metric-sub {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.highlight-elevation {
  color: #f43f5e;
}

.section-title-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

.description-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.sample-notice-box {
  background: rgba(56, 189, 248, 0.08);
  border-left: 3px solid #38bdf8;
  padding: 10px 14px;
  border-radius: 4px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.notice-text {
  font-size: 0.76rem;
  color: #94a3b8;
  line-height: 1.4;
}

.notice-text strong {
  color: #38bdf8;
}

.notice-text a {
  color: #38bdf8;
  font-weight: 600;
}

.modal-footer {
  padding: 16px 28px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(15, 23, 42, 0.4);
}

.btn-cta-register {
  font-size: 0.95rem;
  padding: 12px 22px;
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10000;
  pointer-events: none;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toast-in {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   Estados Vacíos y de Carga
   ========================================================================== */
.loading-state, .empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  text-align: center;
  gap: 12px;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: #38bdf8;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}