/* =====================================================
   SALVAU WEB — ESTILOS GLOBALES v2.1
   Zona: ADRIÁN — Bootstrap 5 override + componentes
   ===================================================== */

/* -- Reset / Base ------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: var(--sv-font);
  background:  var(--sv-bg);
  color:       var(--sv-text);
  font-size:   var(--sv-font-size-base);
  line-height: var(--sv-line-height);
  -webkit-font-smoothing: antialiased;
}

/* -- Scrollbar personalizado ------------------------- */
::-webkit-scrollbar            { width: 6px; height: 6px; }
::-webkit-scrollbar-track      { background: transparent; }
::-webkit-scrollbar-thumb      { background: var(--sv-primary-light); border-radius: var(--sv-radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--sv-primary); }

/* -- Links ------------------------------------------- */
a { color: var(--sv-primary); text-decoration: none; transition: color var(--sv-transition); }
a:hover { color: var(--sv-primary-dark); }

/* -- Headings ---------------------------------------- */
h1, h2, h3, h4, h5, h6 { font-weight: 700; letter-spacing: -0.01em; color: var(--sv-text); }

/* -- Focus ring global ------------------------------- */
:focus-visible {
  outline: 2.5px solid var(--sv-primary);
  outline-offset: 3px;
  border-radius: var(--sv-radius-sm);
}

/* ----------------------------------------------------
   BOTONES
   ---------------------------------------------------- */
.sv-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all var(--sv-transition);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.sv-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--sv-transition);
}
.sv-btn:active  { transform: scale(0.97); }
.sv-btn:active::after { background: rgba(255,255,255,0.15); }

.sv-btn-primary {
  background: var(--sv-gradient-brand);
  color: #fff;
  box-shadow: 0 4px 15px var(--sv-primary-glow);
}
.sv-btn-primary:hover {
  box-shadow: 0 6px 24px var(--sv-shadow-glow);
  transform: translateY(-2px);
  color: #fff;
}

.sv-btn-outline {
  background: transparent;
  color: var(--sv-primary);
  border: 2px solid var(--sv-primary);
}
.sv-btn-outline:hover {
  background: var(--sv-primary-soft);
  color: var(--sv-primary-dark);
  transform: translateY(-1px);
}

.sv-btn-ghost {
  background: transparent;
  color: var(--sv-text-muted);
  padding: 0.5rem 1rem;
}
.sv-btn-ghost:hover { background: var(--sv-border); color: var(--sv-text); }

.sv-btn-success {
  background: var(--sv-gradient-success);
  color: #fff;
  box-shadow: 0 4px 15px rgba(0,203,167,0.3);
}
.sv-btn-success:hover {
  box-shadow: 0 6px 20px rgba(0,203,167,0.45);
  transform: translateY(-2px);
  color: #fff;
}

.sv-btn-danger {
  background: linear-gradient(135deg, #EF4444, #DC2626);
  color: #fff;
  box-shadow: 0 4px 15px rgba(239,68,68,0.3);
}
.sv-btn-danger:hover {
  box-shadow: 0 6px 20px rgba(239,68,68,0.45);
  transform: translateY(-2px);
  color: #fff;
}

.sv-btn-sm  { padding: 0.4rem 1rem; font-size: 0.8rem; }
.sv-btn-lg  { padding: 0.85rem 2rem; font-size: 1rem; }
.sv-btn-block { width: 100%; justify-content: center; }

/* ----------------------------------------------------
   CARDS
   ---------------------------------------------------- */
.sv-card {
  background: var(--sv-surface);
  border-radius: var(--sv-radius-lg);
  box-shadow: var(--sv-shadow-sm);
  border: 1px solid var(--sv-border);
  transition: box-shadow var(--sv-transition), transform var(--sv-transition), border-color var(--sv-transition);
  overflow: hidden;
}
.sv-card:hover {
  box-shadow: var(--sv-shadow-glow);
  transform: translateY(-3px);
  border-color: var(--sv-border-bright);
}
.sv-card-body { padding: 1.5rem; }

/* Card Glass */
.sv-card-glass {
  background: var(--sv-glass-bg);
  backdrop-filter: var(--sv-glass-blur);
  -webkit-backdrop-filter: var(--sv-glass-blur);
  border: var(--sv-glass-border);
}

/* Card Premium — borde gradiente animado */
.sv-card-premium {
  position: relative;
  background: var(--sv-surface);
  border-radius: var(--sv-radius-lg);
  border: none;
  overflow: visible;
}
.sv-card-premium::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--sv-radius-lg) + 2px);
  background: var(--sv-gradient-brand);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--sv-transition);
}
.sv-card-premium:hover::before { opacity: 1; }
.sv-card-premium-inner {
  background: var(--sv-surface);
  border-radius: var(--sv-radius-lg);
  padding: 1.5rem;
  height: 100%;
}

/* Tutor Card */
.sv-tutor-card { cursor: pointer; }
.sv-tutor-card .sv-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--sv-primary-soft);
  transition: border-color var(--sv-transition), box-shadow var(--sv-transition);
}
.sv-tutor-card:hover .sv-avatar {
  border-color: var(--sv-primary);
  box-shadow: 0 0 0 4px var(--sv-primary-soft);
}
.sv-tutor-card .sv-stars { color: var(--sv-accent); font-size: 0.85rem; }
.sv-tutor-card .sv-price-badge {
  background: var(--sv-gradient-brand);
  color: #fff;
  padding: 0.2rem 0.75rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.82rem;
  box-shadow: 0 2px 8px var(--sv-primary-glow);
}

/* ----------------------------------------------------
   INPUTS / FORMULARIOS
   ---------------------------------------------------- */
.sv-input {
  width: 100%;
  padding: 0.75rem 1.1rem;
  border: 1.5px solid var(--sv-border);
  border-radius: var(--sv-radius);
  font-family: var(--sv-font);
  font-size: 0.95rem;
  background: var(--sv-surface);
  color: var(--sv-text);
  transition: border-color var(--sv-transition), box-shadow var(--sv-transition);
  outline: none;
}
.sv-input:focus {
  border-color: var(--sv-primary);
  box-shadow: 0 0 0 3px var(--sv-primary-soft);
}
.sv-input::placeholder { color: var(--sv-text-faint); }
.sv-input.is-invalid {
  border-color: var(--sv-danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}
.sv-input:disabled {
  background: var(--sv-bg);
  color: var(--sv-text-muted);
  cursor: not-allowed;
}

.sv-input-group { position: relative; }
.sv-input-group .sv-input { padding-left: 2.75rem; }
.sv-input-group .sv-input-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sv-text-muted);
  font-size: 1rem;
  pointer-events: none;
  transition: color var(--sv-transition);
}
.sv-input-group:focus-within .sv-input-icon { color: var(--sv-primary); }

.sv-label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--sv-text);
  margin-bottom: 0.4rem;
}
.sv-field-error {
  font-size: 0.8rem;
  color: var(--sv-danger);
  margin-top: 0.3rem;
}

/* Checkbox / Radio custom */
.sv-check {
  accent-color: var(--sv-primary);
  width: 1.1rem;
  height: 1.1rem;
  cursor: pointer;
}

/* Select */
.sv-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2364748B' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
}

/* ----------------------------------------------------
   NAVBAR (landing)
   ---------------------------------------------------- */
.sv-navbar {
  position: sticky;
  top: 0;
  z-index: var(--sv-z-sticky);
  background: rgba(7, 9, 15, 0.88);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--sv-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 1px 0 var(--sv-border);
}
.sv-navbar .sv-logo {
  font-weight: 900;
  font-size: 1.4rem;
  background: var(--sv-gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sv-navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.sv-navbar-nav a {
  padding: 0.5rem 0.9rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--sv-text-muted);
  transition: all var(--sv-transition);
}
.sv-navbar-nav a:hover, .sv-navbar-nav a.active {
  background: var(--sv-primary-soft);
  color: var(--sv-primary);
}

/* ----------------------------------------------------
   SIDEBAR (páginas internas)
   ---------------------------------------------------- */
.sv-sidebar {
  transition: transform var(--sv-transition-slow);
}
.sv-nav-item {
  position: relative;
  overflow: hidden;
  transition: background var(--sv-transition), color var(--sv-transition), transform var(--sv-transition);
}
.sv-nav-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--sv-primary);
  border-radius: 0 3px 3px 0;
  transform: scaleY(0);
  transition: transform var(--sv-transition-spring);
}
.sv-nav-item.active::before,
.sv-nav-item:hover::before { transform: scaleY(1); }

/* ----------------------------------------------------
   BADGES / CHIPS
   ---------------------------------------------------- */
.sv-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.78rem;
}
.sv-badge-primary  { background: var(--sv-primary-soft);   color: var(--sv-primary); }
.sv-badge-success  { background: var(--sv-success-soft);   color: var(--sv-success); }
.sv-badge-danger   { background: var(--sv-danger-soft);    color: var(--sv-danger); }
.sv-badge-warning  { background: var(--sv-warning-soft);   color: var(--sv-warning); }
.sv-badge-accent   { background: var(--sv-accent-soft);    color: var(--sv-accent-dark); }
.sv-badge-neutral  { background: var(--sv-border);         color: var(--sv-text-muted); }

/* Credit badge */
.sv-credits {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--sv-primary);
}

/* Status dot */
.sv-status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.sv-status-dot.online  { background: var(--sv-success); box-shadow: 0 0 0 2px var(--sv-success-soft); }
.sv-status-dot.offline { background: var(--sv-text-faint); }
.sv-status-dot.busy    { background: var(--sv-warning); }

/* ----------------------------------------------------
   TOASTS / ALERTAS
   ---------------------------------------------------- */
#sv-toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--sv-z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}
.sv-toast {
  min-width: 300px;
  max-width: 380px;
  padding: 1rem 1.25rem;
  border-radius: var(--sv-radius-lg);
  background: var(--sv-surface);
  box-shadow: var(--sv-shadow-lg);
  border: 1px solid var(--sv-border);
  border-left: 4px solid var(--sv-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: sv-toast-in 0.35s var(--sv-transition-spring) both;
  font-weight: 600;
  font-size: 0.9rem;
  pointer-events: all;
}
.sv-toast.success { border-left-color: var(--sv-success); }
.sv-toast.error   { border-left-color: var(--sv-danger); }
.sv-toast.warning { border-left-color: var(--sv-warning); }
.sv-toast.hiding  { animation: sv-toast-out 0.25s ease forwards; }

@keyframes sv-toast-in {
  from { transform: translateX(110%) scale(0.95); opacity: 0; }
  to   { transform: translateX(0) scale(1);       opacity: 1; }
}
@keyframes sv-toast-out {
  from { transform: translateX(0) scale(1);   opacity: 1; }
  to   { transform: translateX(110%) scale(0.95); opacity: 0; }
}

/* ----------------------------------------------------
   AVATAR STACK
   ---------------------------------------------------- */
.sv-avatar-stack { display: flex; }
.sv-avatar-stack .sv-avatar-item {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--sv-surface);
  margin-left: -10px;
  background: var(--sv-primary-soft);
  color: var(--sv-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  transition: transform var(--sv-transition);
}
.sv-avatar-stack .sv-avatar-item:first-child { margin-left: 0; }
.sv-avatar-stack:hover .sv-avatar-item { transform: translateX(-4px); }
.sv-avatar-stack:hover .sv-avatar-item:first-child { transform: none; }

/* Avatar solitario con iniciales */
.sv-avatar-initials {
  border-radius: 50%;
  background: var(--sv-gradient-brand);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  user-select: none;
}

/* ----------------------------------------------------
   LOADING SPINNER
   ---------------------------------------------------- */
.sv-spinner {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sv-spin 0.7s linear infinite;
  display: inline-block;
  flex-shrink: 0;
}
.sv-spinner.dark {
  border-color: rgba(27,77,92,0.15);
  border-top-color: var(--sv-primary);
}
.sv-spinner.sm { width: 16px; height: 16px; border-width: 2px; }
.sv-spinner.lg { width: 32px; height: 32px; border-width: 4px; }
@keyframes sv-spin { to { transform: rotate(360deg); } }

/* ----------------------------------------------------
   SKELETON LOADER
   ---------------------------------------------------- */
.sv-skeleton {
  background: linear-gradient(90deg, var(--sv-surface) 25%, var(--sv-surface-2) 50%, var(--sv-surface) 75%);
  background-size: 200% 100%;
  animation: sv-shimmer 1.5s infinite;
  border-radius: var(--sv-radius-sm);
}
@keyframes sv-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ----------------------------------------------------
   TABS
   ---------------------------------------------------- */
.sv-tabs {
  display: flex;
  gap: 0.25rem;
  background: var(--sv-bg);
  padding: 0.3rem;
  border-radius: var(--sv-radius-pill);
  width: fit-content;
}
.sv-tab {
  padding: 0.45rem 1.2rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--sv-text-muted);
  cursor: pointer;
  transition: all var(--sv-transition);
  border: none;
  background: none;
}
.sv-tab.active {
  background: var(--sv-surface);
  color: var(--sv-primary);
  box-shadow: var(--sv-shadow-sm);
}
.sv-tab:hover:not(.active) { color: var(--sv-text); }

/* ----------------------------------------------------
   MODAL OVERLAY
   ---------------------------------------------------- */
.sv-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15,12,41,0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: var(--sv-z-modal);
  animation: sv-fade-in 0.2s ease;
}
.sv-modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.97);
  z-index: calc(var(--sv-z-modal) + 1);
  background: var(--sv-surface);
  border-radius: var(--sv-radius-xl);
  box-shadow: var(--sv-shadow-xl);
  width: min(520px, calc(100vw - 2rem));
  animation: sv-modal-in 0.3s var(--sv-transition-spring) forwards;
}
@keyframes sv-fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes sv-modal-in {
  from { opacity: 0; transform: translate(-50%, -50%) scale(0.93); }
  to   { opacity: 1; transform: translate(-50%, -50%) scale(1); }
}
.sv-modal-header {
  padding: 1.5rem 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sv-modal-body    { padding: 1.25rem 1.5rem; }
.sv-modal-footer  { padding: 0 1.5rem 1.5rem; display: flex; gap: 0.75rem; justify-content: flex-end; }

/* ----------------------------------------------------
   STATS / NÚMEROS GRANDES
   ---------------------------------------------------- */
.sv-stat-card {
  background: var(--sv-surface);
  border-radius: var(--sv-radius-lg);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--sv-border);
  position: relative;
  overflow: hidden;
  transition: box-shadow var(--sv-transition), transform var(--sv-transition);
}
.sv-stat-card:hover {
  box-shadow: var(--sv-shadow);
  transform: translateY(-2px);
}
.sv-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--sv-gradient-brand);
}
.sv-stat-number {
  font-size: 2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  background: var(--sv-gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.sv-stat-label {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--sv-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.4rem;
}

/* ----------------------------------------------------
   UTILIDADES EXTRA
   ---------------------------------------------------- */
.sv-divider {
  border: none;
  border-top: 1.5px solid var(--sv-border);
  margin: 1.25rem 0;
}
.sv-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--sv-text);
  margin-bottom: 1rem;
}
.sv-text-gradient {
  background: var(--sv-gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sv-text-gradient-warm {
  background: var(--sv-gradient-warm);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Empty state */
.sv-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--sv-text-muted);
  gap: 0.75rem;
}
.sv-empty-state i { font-size: 2.5rem; opacity: 0.4; }
.sv-empty-state h4 { font-size: 1rem; font-weight: 800; color: var(--sv-text); margin: 0; }
.sv-empty-state p  { font-size: 0.88rem; margin: 0; }

/* Divider con texto */
.sv-divider-text {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--sv-text-muted);
  font-size: 0.82rem;
  font-weight: 700;
}
.sv-divider-text::before,
.sv-divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--sv-border);
}

/* -- Responsive helpers ------------------------------- */
@media (max-width: 768px) {
  .sv-navbar  { padding: 0.65rem 1rem; }
  .sv-card-body { padding: 1.1rem; }
  .sv-modal   { width: calc(100vw - 1rem); }
}

/* -- Scrollbar personalizado ------------------------- */
::-webkit-scrollbar            { width: 6px; height: 6px; }
::-webkit-scrollbar-track      { background: transparent; }
::-webkit-scrollbar-thumb      { background: var(--sv-primary-light); border-radius: var(--sv-radius-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--sv-primary); }

/* -- Links ------------------------------------------- */
a { color: var(--sv-primary); text-decoration: none; transition: color var(--sv-transition); }
a:hover { color: var(--sv-primary-dark); }

/* -- Headings ---------------------------------------- */
h1, h2, h3, h4, h5, h6 { font-weight: 800; letter-spacing: -0.02em; color: var(--sv-text); }

/* ----------------------------------------------------
   BOTONES
   ---------------------------------------------------- */
.sv-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: all var(--sv-transition);
  white-space: nowrap;
}
.sv-btn:active { transform: scale(0.97); }

.sv-btn-primary {
  background: var(--sv-gradient-brand);
  color: #fff;
  box-shadow: var(--sv-shadow);
}
.sv-btn-primary:hover {
  box-shadow: var(--sv-shadow-glow);
  transform: translateY(-1px);
  color: #fff;
}

.sv-btn-outline {
  background: transparent;
  color: var(--sv-primary);
  border: 2px solid var(--sv-primary);
}
.sv-btn-outline:hover {
  background: var(--sv-primary-soft);
  color: var(--sv-primary-dark);
}

.sv-btn-ghost {
  background: transparent;
  color: var(--sv-text-muted);
  padding: 0.5rem 1rem;
}
.sv-btn-ghost:hover { background: var(--sv-border); color: var(--sv-text); }

.sv-btn-sm { padding: 0.4rem 1rem; font-size: 0.8rem; }
.sv-btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
.sv-btn-block { width: 100%; justify-content: center; }

/* ----------------------------------------------------
   CARDS
   ---------------------------------------------------- */
.sv-card {
  background: var(--sv-surface);
  border-radius: var(--sv-radius-lg);
  box-shadow: var(--sv-shadow-sm);
  border: 1px solid var(--sv-border);
  transition: box-shadow var(--sv-transition), transform var(--sv-transition);
  overflow: hidden;
}
.sv-card:hover {
  box-shadow: var(--sv-shadow-glow);
  transform: translateY(-2px);
  border-color: var(--sv-border-bright);
}
.sv-card-body { padding: 1.5rem; }
.sv-card-glass {
  background: var(--sv-glass-bg);
  backdrop-filter: var(--sv-glass-blur);
  -webkit-backdrop-filter: var(--sv-glass-blur);
  border: var(--sv-glass-border);
}

/* Tutor Card */
.sv-tutor-card { cursor: pointer; }
.sv-tutor-card .sv-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--sv-primary-soft);
}
.sv-tutor-card .sv-stars { color: var(--sv-accent); font-size: 0.85rem; }
.sv-tutor-card .sv-price-badge {
  background: var(--sv-gradient-brand);
  color: #fff;
  padding: 0.2rem 0.75rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.82rem;
}

/* ----------------------------------------------------
   INPUTS / FORMULARIOS
   ---------------------------------------------------- */
.sv-input {
  width: 100%;
  padding: 0.75rem 1.1rem;
  border: 1.5px solid var(--sv-border);
  border-radius: var(--sv-radius);
  font-family: var(--sv-font);
  font-size: 0.95rem;
  background: var(--sv-surface);
  color: var(--sv-text);
  transition: border-color var(--sv-transition), box-shadow var(--sv-transition);
  outline: none;
}
.sv-input:focus {
  border-color: var(--sv-primary);
  box-shadow: 0 0 0 3px var(--sv-primary-soft);
}
.sv-input::placeholder { color: var(--sv-text-faint); }
.sv-input.is-invalid {
  border-color: var(--sv-danger);
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

.sv-input-group { position: relative; }
.sv-input-group .sv-input { padding-left: 2.75rem; }
.sv-input-group .sv-input-icon {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--sv-text-muted);
  font-size: 1rem;
  pointer-events: none;
}

.sv-label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--sv-text);
  margin-bottom: 0.4rem;
}
.sv-field-error {
  font-size: 0.8rem;
  color: var(--sv-danger);
  margin-top: 0.3rem;
}

/* ----------------------------------------------------
   NAVBAR
   ---------------------------------------------------- */
.sv-navbar {
  position: sticky;
  top: 0;
  z-index: var(--sv-z-sticky);
  background: var(--sv-glass-bg);
  backdrop-filter: var(--sv-glass-blur);
  -webkit-backdrop-filter: var(--sv-glass-blur);
  border-bottom: var(--sv-glass-border);
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.sv-navbar .sv-logo {
  font-weight: 800;
  font-size: 1.4rem;
  background: var(--sv-gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sv-navbar-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.sv-navbar-nav a {
  padding: 0.5rem 0.9rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--sv-text-muted);
  transition: all var(--sv-transition);
}
.sv-navbar-nav a:hover, .sv-navbar-nav a.active {
  background: var(--sv-primary-soft);
  color: var(--sv-primary);
}

/* ----------------------------------------------------
   BADGES / CHIPS
   ---------------------------------------------------- */
.sv-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--sv-radius-pill);
  font-weight: 700;
  font-size: 0.78rem;
}
.sv-badge-primary  { background: var(--sv-primary-soft);  color: var(--sv-primary); }
.sv-badge-success  { background: var(--sv-success-soft);  color: var(--sv-success); }
.sv-badge-danger   { background: var(--sv-danger-soft);   color: var(--sv-danger); }
.sv-badge-warning  { background: var(--sv-warning-soft);  color: var(--sv-warning); }
.sv-badge-accent   { background: var(--sv-accent-soft);   color: var(--sv-accent-dark); }

/* Credit badge */
.sv-credits {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--sv-primary);
}

/* ----------------------------------------------------
   TOASTS / ALERTAS
   ---------------------------------------------------- */
#sv-toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: var(--sv-z-toast);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.sv-toast {
  min-width: 280px;
  padding: 1rem 1.25rem;
  border-radius: var(--sv-radius);
  background: var(--sv-surface);
  box-shadow: var(--sv-shadow-lg);
  border-left: 4px solid var(--sv-primary);
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  animation: sv-slide-in var(--sv-transition) ease;
  font-weight: 600;
  font-size: 0.9rem;
}
.sv-toast.success { border-color: var(--sv-success); }
.sv-toast.error   { border-color: var(--sv-danger); }
.sv-toast.warning { border-color: var(--sv-warning); }

@keyframes sv-slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

/* ----------------------------------------------------
   AVATAR STACK
   ---------------------------------------------------- */
.sv-avatar-stack { display: flex; }
.sv-avatar-stack .sv-avatar-item {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--sv-surface);
  margin-left: -10px;
  background: var(--sv-primary-soft);
  color: var(--sv-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
}
.sv-avatar-stack .sv-avatar-item:first-child { margin-left: 0; }

/* ----------------------------------------------------
   LOADING SPINNER
   ---------------------------------------------------- */
.sv-spinner {
  width: 22px; height: 22px;
  border: 3px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sv-spin 0.7s linear infinite;
  display: inline-block;
}
.sv-spinner.dark {
  border-color: rgba(27,77,92,0.15);
  border-top-color: var(--sv-primary);
}
@keyframes sv-spin { to { transform: rotate(360deg); } }

/* ----------------------------------------------------
   SKELETON LOADER
   ---------------------------------------------------- */
.sv-skeleton {
  background: linear-gradient(90deg, var(--sv-surface) 25%, var(--sv-surface-2) 50%, var(--sv-surface) 75%);
  background-size: 200% 100%;
  animation: sv-shimmer 1.5s infinite;
  border-radius: var(--sv-radius-sm);
}
@keyframes sv-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ----------------------------------------------------
   UTILIDADES EXTRA
   ---------------------------------------------------- */
.sv-divider {
  border: none;
  border-top: 1.5px solid var(--sv-border);
  margin: 1.25rem 0;
}
.sv-section-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--sv-text);
  margin-bottom: 1rem;
}
.sv-text-gradient {
  background: var(--sv-gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* -- Responsive helpers ------------------------------- */
@media (max-width: 768px) {
  .sv-navbar { padding: 0.65rem 1rem; }
  .sv-card-body { padding: 1.1rem; }
}


/*  sv-status badges (agenda, admin, perfil) 
   Componente global  cargado en salvau.css para que admin.html y
  perfil.html también tengan los colores de estado.              */
.sv-status {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: var(--sv-r-pill);
  font-size: .75rem;
  font-weight: 800;
  text-transform: capitalize;
  white-space: nowrap;
}
.sv-status-pendiente  { background: #FEF3C7; color: #D97706; }
.sv-status-confirmada { background: var(--sv-primary-soft); color: var(--sv-primary); }
.sv-status-completada { background: var(--sv-success-soft); color: var(--sv-success); }
.sv-status-cancelada  { background: var(--sv-danger-soft);  color: var(--sv-danger); }

/* ----------------------------------------------------
   SALVAU GLOBAL PATCH v4 — tokens teal/blanco
   ---------------------------------------------------- */

body {
  background:
    radial-gradient(ellipse at 12% 16%, rgba(45,212,191,0.06), transparent 45%),
    radial-gradient(ellipse at 88% 74%, rgba(27,77,92,0.05), transparent 40%),
    var(--sv-bg);
}

.sv-btn {
  border-radius: 0.72rem;
  border: 1px solid transparent;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.sv-btn-primary {
  box-shadow: 0 6px 20px rgba(27,77,92,0.28);
}

.sv-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(27,77,92,0.38);
}

.sv-btn-outline {
  border-width: 1px;
  border-color: rgba(27,77,92,0.35);
  color: var(--sv-primary);
}

.sv-btn-outline:hover {
  border-color: rgba(27,77,92,0.60);
  background: var(--sv-primary-soft);
  color: var(--sv-primary-dark);
}

.sv-card {
  background: var(--sv-surface);
  border: 1px solid var(--sv-border);
  box-shadow: var(--sv-shadow-sm);
}

.sv-card:hover {
  border-color: rgba(27,77,92,0.28);
  box-shadow: var(--sv-shadow-glow);
  transform: translateY(-2px);
}

.sv-input,
.sv-select,
textarea {
  border: 1px solid var(--sv-border);
  background: var(--sv-bg);
  color: var(--sv-text);
}

.sv-input:focus,
.sv-select:focus,
textarea:focus {
  border-color: var(--sv-primary);
  box-shadow: 0 0 0 3px var(--sv-primary-soft);
}

.sv-navbar,
.sv-topbar {
  background: rgba(255,255,255,0.90);
  border-bottom: 1px solid var(--sv-border);
}

.sv-status {
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}

.sv-status-pendiente  { border-color: rgba(217,119,6,0.30); }
.sv-status-confirmada { border-color: rgba(27,77,92,0.30); }
.sv-status-completada { border-color: rgba(22,163,74,0.30); }
.sv-status-cancelada  { border-color: rgba(220,38,38,0.30); }

@media (prefers-reduced-motion: reduce) {
  .sv-btn, .sv-card, .sv-input, .sv-select { transition: none !important; }
  .sv-btn-primary:hover, .sv-card:hover { transform: none !important; }
}

/* ----------------------------------------------------
   BOOTSTRAP LIGHT OVERRIDES
   ---------------------------------------------------- */

.modal-content,
.sv-modal-content {
  background: var(--sv-bg) !important;
  border: 1px solid var(--sv-border) !important;
  color: var(--sv-text);
  box-shadow: var(--sv-shadow-xl);
}

.modal-header,
.sv-modal-header {
  border-bottom: 1px solid var(--sv-border) !important;
  background: var(--sv-surface);
}

.modal-footer,
.sv-modal-footer {
  border-top: 1px solid var(--sv-border) !important;
  background: var(--sv-surface);
}

.modal-title { color: var(--sv-text); }

.modal .btn-close { filter: none; opacity: 0.6; }
.modal .btn-close:hover { opacity: 1; }

.card, .bg-white {
  background: var(--sv-surface) !important;
  border-color: var(--sv-border) !important;
  color: var(--sv-text) !important;
}

.card-header, .card-footer {
  background: var(--sv-surface-2) !important;
  border-color: var(--sv-border) !important;
}

.text-dark { color: var(--sv-text) !important; }

/* ----------------------------------------------------
   RESPONSIVE SIDEBAR (MOBILE HAMBURGER)
   ---------------------------------------------------- */

/* Mobile: Sidebar oculta por defecto */
@media (max-width: 767px) {
  .sv-sidebar {
    position: fixed !important;
    left: -100%;
    width: 250px;
    height: 100vh;
    z-index: 1050;
    top: 0;
    overflow-y: auto;
    transition: left 300ms ease;
  }
  
  .sv-sidebar.show {
    left: 0 !important;
  }
  
  .sv-main {
    margin-left: 0 !important;
  }
  
  /* Overlay al abrir sidebar */
  .sv-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1049;
    display: none;
  }
  
  .sv-sidebar-overlay.show {
    display: block;
  }
  
  /* Hamburger button en topbar */
  .sv-topbar-hamburger {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--sv-text-light);
    margin-right: 1rem;
  }
  
  .sv-topbar-hamburger:hover {
    color: var(--sv-primary);
  }
}

/* Desktop: Sidebar visible */
@media (min-width: 768px) {
  .sv-sidebar {
    position: relative !important;
    left: 0 !important;
    width: auto;
    height: auto;
    background: none;
    border: none;
  }
  
  .sv-topbar-hamburger {
    display: none !important;
  }
  
  .sv-sidebar-overlay {
    display: none !important;
  }
}

/* ----------------------------------------------------
   MODAL RESPONSIVE
   ---------------------------------------------------- */

.modal-dialog {
  max-height: 90vh;
}

.modal-body {
  max-height: 70vh;
  overflow-y: auto;
  padding: 1.5rem;
}

.modal-body::-webkit-scrollbar {
  width: 6px;
}

.modal-body::-webkit-scrollbar-track {
  background: var(--sv-surface-2);
}

.modal-body::-webkit-scrollbar-thumb {
  background: var(--sv-border-bright);
  border-radius: 3px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--sv-primary-light);
}

/* Mobile: Modal fullscreen */
@media (max-width: 576px) {
  .modal-dialog {
    margin: 0;
    width: 100%;
    max-width: none;
  }
  
  .modal-body {
    max-height: calc(100vh - 120px);
  }
}

/* ----------------------------------------------------
   TABLE RESPONSIVE
   ---------------------------------------------------- */

.table-responsive {
  position: relative;
}

.table-responsive::-webkit-scrollbar {
  height: 4px;
}

.table-responsive::-webkit-scrollbar-track {
  background: var(--sv-surface-2);
}

.table-responsive::-webkit-scrollbar-thumb {
  background: var(--sv-border-bright);
  border-radius: 2px;
}

@media (max-width: 576px) {
  .table {
    font-size: 0.75rem !important;
  }
  
  .table th, .table td {
    padding: 0.5rem !important;
  }
}

/* ----------------------------------------------------
   BOTONES RESPONSIVE (WCAG AA - 44px min)
   ---------------------------------------------------- */

.sv-btn {
  min-height: 40px;
  min-width: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 576px) {
  .d-flex > .sv-btn {
    flex: 1;
    min-height: 44px;
  }
  
  .sv-btn-sm {
    min-height: 36px;
  }
}

/* ----------------------------------------------------
   GRID RESPONSIVE (RECARGAS)
   ---------------------------------------------------- */

@media (max-width: 768px) {
  .row > [class*="col-"] {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .row > .col-md-6,
  .row > .col-md-4,
  .row > .col-lg-4 {
    flex: 0 0 100% !important;
    max-width: 100% !important;
  }
}