/* ============================================
   AL PASO DANCE STUDIO - Estilos compartidos
   Paleta: Morado oscuro + Blanco
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@400;500;600;700;800;900&display=swap');

/* ---- VARIABLES ---- */
:root {
  --fondo: #140A18;
  --fondo-suave: #1C0E22;
  --fondo-card: #1F1228;
  --fondo-elevado: #261530;
  --borde: rgba(255,255,255,0.08);
  --borde-hover: rgba(255,255,255,0.2);
  --morado: #430440;
  --morado-claro: #6B2060;
  --morado-oscuro: #0F0412;
  --blanco: #FFFFFF;
  --blanco-suave: #B8B0BC;
  --verde-wa: #25d366;
  --rojo: #e74c3c;
  --verde: #2ecc71;
  --azul: #3498db;
}

/* ---- RESET ---- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--fondo);
  color: var(--blanco);
  line-height: 1.7;
  overflow-x: hidden;
  font-weight: 400;
  font-size: 16px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- GLASS CARD ---- */
.glass-card {
  background: rgba(31, 18, 40, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--borde);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.glass-card:hover {
  border-color: var(--borde-hover);
  box-shadow: 0 8px 30px rgba(255,255,255,0.04);
}

/* ---- BOTONES ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: #FFFFFF;
  color: var(--morado);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255,255,255,0.3);
  box-shadow:
    0 4px 20px rgba(67, 4, 64, 0.25),
    0 1px 3px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: all 0.3s;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 35px rgba(67, 4, 64, 0.4),
    0 2px 5px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--blanco);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'DM Sans', sans-serif;
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.4);
  box-shadow: 0 4px 20px rgba(255,255,255,0.05);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--rojo);
  padding: 0.8rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid var(--rojo);
  cursor: pointer;
  transition: all 0.3s;
  font-family: 'DM Sans', sans-serif;
}

.btn-danger:hover {
  background: rgba(231, 76, 60, 0.1);
}

.btn-sm {
  padding: 0.5rem 1.2rem;
  font-size: 0.8rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--blanco);
  cursor: pointer;
  transition: all 0.3s;
  font-size: 1rem;
}

.btn-icon:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
}

/* ---- INPUTS ---- */
.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-family: 'Inter', sans-serif;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blanco-suave);
  margin-bottom: 0.5rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.2rem;
  background: rgba(31, 18, 40, 0.9);
  border: 1px solid var(--borde);
  border-radius: 12px;
  color: var(--blanco);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-input:focus {
  border-color: rgba(255,255,255,0.3);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.05);
}

.form-input::placeholder {
  color: #665070;
}

select.form-input {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23FFFFFF' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

/* ---- CHECKBOX TOGGLE ---- */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--fondo-elevado);
  border-radius: 24px;
  transition: 0.3s;
  border: 1px solid var(--borde);
}

.toggle-slider::before {
  content: '';
  position: absolute;
  height: 18px;
  width: 18px;
  left: 2px;
  bottom: 2px;
  background: var(--blanco-suave);
  border-radius: 50%;
  transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--morado-claro);
  border-color: var(--morado-claro);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: var(--blanco);
}

/* ---- BADGES ---- */
.badge {
  display: inline-block;
  padding: 0.25rem 0.7rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-family: 'Inter', sans-serif;
}

.badge-gold {
  background: rgba(255,255,255,0.08);
  color: var(--blanco);
  border: 1px solid rgba(255,255,255,0.15);
}

.badge-green {
  background: rgba(46, 204, 113, 0.15);
  color: var(--verde);
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.badge-red {
  background: rgba(231, 76, 60, 0.15);
  color: var(--rojo);
  border: 1px solid rgba(231, 76, 60, 0.3);
}

/* ---- TABLA ---- */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  font-family: 'Inter', sans-serif;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--blanco);
  text-align: left;
  padding: 1rem;
  border-bottom: 1px solid var(--borde);
  font-weight: 600;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
  color: var(--blanco-suave);
}

.data-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--fondo-card);
  border: 1px solid var(--borde);
  border-radius: 20px;
  padding: 2rem;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.1rem;
  color: var(--blanco);
}

.modal-close {
  background: none;
  border: none;
  color: var(--blanco-suave);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.2rem;
  line-height: 1;
}

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

.modal-actions {
  display: flex;
  gap: 0.8rem;
  justify-content: flex-end;
  margin-top: 1.5rem;
}

/* ---- TOAST / NOTIFICACIONES ---- */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--fondo-card);
  border: 1px solid var(--borde);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  color: var(--blanco);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  animation: toastIn 0.3s ease;
  min-width: 280px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.toast.success { border-left: 3px solid var(--verde); }
.toast.error { border-left: 3px solid var(--rojo); }
.toast.info { border-left: 3px solid var(--blanco); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

/* ---- SPINNER ---- */
.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--borde);
  border-top-color: var(--blanco);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(20, 10, 24, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 3000;
}

/* ---- AVATAR ---- */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--morado);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blanco);
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.15);
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: 1.2rem;
}

/* ---- UTILITIES ---- */
.text-gold { color: var(--blanco); }
.text-muted { color: var(--blanco-suave); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.hidden { display: none !important; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--fondo);
}

::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}