/* ============================================================
   COMPONENTS — botones, inputs, badges, combos, chips, cards
============================================================ */

/* Grid y cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(16px, 2vw, 20px);
}
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: clamp(20px, 2.5vw, 26px);
}
.card-header { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.card-icon {
  width: 40px; height: 40px;
  border-radius: 8px;
  background: var(--c-bg);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-accent);
  flex-shrink: 0;
}
.card-icon svg { width: 20px; height: 20px; }
.card h2 { font-size: 15.5px; font-weight: 600; color: var(--c-primary); letter-spacing: -.1px; }
.card-desc { color: var(--c-muted); font-size: 13px; margin-bottom: 20px; }

/* Formularios */
.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--c-primary);
  margin-bottom: 6px;
}
.input, .textarea, .select {
  width: 100%;
  padding: 10px 12px;
  font-size: 16px;
  color: var(--c-primary);
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 7px;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(11, 163, 163, .12);
}
.textarea { resize: vertical; min-height: 100px; }

.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

/* Botones */
.btn {
  padding: 11px 20px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: 7px;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .08s ease, box-shadow .15s;
  min-height: 44px;
  flex: 1 1 auto;
}
.btn:active { transform: translateY(1px) scale(.985); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-primary { background: var(--c-accent); color: #ffffff; }
.btn-primary:hover:not(:disabled) { background: var(--c-accent-hover); box-shadow: 0 4px 14px rgba(11, 163, 163, .28); }
.btn-secondary { background: var(--c-surface); color: var(--c-primary); border-color: var(--c-border); }
.btn-secondary:hover { background: var(--c-bg); }
.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border: 1px solid var(--c-border);
}
.btn-outline:hover { background: var(--c-bg); }

.icon-btn {
  position: relative;
  width: 38px; height: 38px;
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-muted);
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--c-bg); color: var(--c-primary); }
.icon-btn svg { width: 19px; height: 19px; }

.icon-dot {
  position: absolute;
  top: 9px; right: 10px;
  width: 7px; height: 7px;
  background: #dc2626;
  border-radius: 50%;
  border: 2px solid var(--c-surface);
}

/* Ghost button (acciones en headers de paneles) */
.ghost-btn {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 7px;
  cursor: pointer;
  color: var(--c-muted);
  transition: background .15s, color .15s, border-color .15s;
}
.ghost-btn:hover:not(:disabled) {
  background: var(--c-bg);
  color: var(--c-primary);
  border-color: #b8c0cc;
}
.ghost-btn:disabled { opacity: .45; cursor: not-allowed; }
.ghost-btn svg { width: 15px; height: 15px; }

/* Combo premium (dropdown custom) */
.combo { position: relative; }
.combo-trigger {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  font-family: inherit;
  color: var(--c-primary);
  text-align: left;
  transition: border-color .15s, box-shadow .15s;
}
.combo-trigger:hover { border-color: var(--c-primary); }
.combo.open .combo-trigger { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(31, 42, 40,.08); }
.combo-text {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .4px;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--c-primary);
}
.combo-chev {
  width: 16px; height: 16px;
  color: var(--c-muted);
  transition: transform .2s;
  flex-shrink: 0;
}
.combo.open .combo-chev { transform: rotate(180deg); }

.combo-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 10px;
  box-shadow: 0 12px 32px rgba(31, 42, 40,.1);
  padding: 6px;
  max-height: 360px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .15s, transform .15s, visibility .15s;
  z-index: 30;
}
.combo.open .combo-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.combo-option {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  border-radius: 7px;
  cursor: pointer;
  transition: background .12s;
}
.combo-option:hover { background: var(--c-bg); }
.combo-option.selected { background: var(--c-bg); color: var(--c-primary); }
.combo-opt-text {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
  color: var(--c-primary);
  text-transform: uppercase;
  letter-spacing: .4px;
}

/* Opciones bloqueadas: grises y con candado al hover */
.combo-option.is-locked { opacity: .55; }
.combo-option.is-locked .combo-opt-text { color: var(--c-muted); }
.combo-option.is-locked::after {
  content: '';
  width: 12px;
  height: 12px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='4' y='11' width='16' height='10' rx='2'/><path d='M8 11V7a4 4 0 0 1 8 0v4'/></svg>") no-repeat center / contain;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect x='4' y='11' width='16' height='10' rx='2'/><path d='M8 11V7a4 4 0 0 1 8 0v4'/></svg>") no-repeat center / contain;
  color: var(--c-muted);
  margin-left: 8px;
  flex-shrink: 0;
}

/* Badge 'Gratis' al costado de las 3 opciones sin costo */
.combo-opt-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  background: #7AC143;
  color: #ffffff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  margin-left: 10px;
  flex-shrink: 0;
}

/* Badges */
.credits-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: #E0F5F5;
  color: #0BA3A3;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  white-space: nowrap;
}
.credits-badge svg { width: 14px; height: 14px; }
.credits-success { background: #E0F5F5; color: #0BA3A3; }

/* Combo group header (separador de módulos en dropdown) */
.combo-group {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--c-muted);
  letter-spacing: .8px;
  text-transform: uppercase;
  padding: 10px 12px 4px;
  pointer-events: none;
}
.combo-group:first-child { padding-top: 4px; }

/* Status chip */
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
}
.status-empty { background: #f1f3f6; color: #6b7785; }
.status-empty .status-dot { background: #9aa3ae; }
.status-ok { background: #E0F5F5; color: #0BA3A3; }
.status-ok .status-dot { background: #0BA3A3; animation: pulse 1.5s ease-in-out infinite; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* ============================================================
   Toasts — notificaciones flotantes (esquina inferior derecha)
============================================================ */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: calc(100vw - 40px);
}
.toast {
  pointer-events: auto;
  min-width: 260px;
  max-width: 380px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-left: 3px solid var(--c-accent);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--c-primary);
  animation: toast-in .28s cubic-bezier(.2, .8, .2, 1);
}
.toast.toast-leaving { animation: toast-out .22s ease forwards; }
.toast-icon {
  width: 22px; height: 22px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-accent);
}
.toast-icon svg { width: 18px; height: 18px; }
.toast-body { flex: 1; line-height: 1.45; }
.toast-body strong { display: block; font-weight: 600; font-size: 13px; margin-bottom: 1px; }
.toast-body span { color: var(--c-muted); font-size: 12.5px; }
.toast-close {
  width: 22px; height: 22px;
  background: transparent;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.toast-close:hover { background: var(--c-bg); color: var(--c-primary); }
.toast-close svg { width: 14px; height: 14px; }

.toast.toast-success { border-left-color: var(--c-success); }
.toast.toast-success .toast-icon { color: var(--c-success); }
.toast.toast-error { border-left-color: var(--c-danger); }
.toast.toast-error .toast-icon { color: var(--c-danger); }
.toast.toast-warning { border-left-color: var(--c-warning); }
.toast.toast-warning .toast-icon { color: var(--c-warning); }

@keyframes toast-in {
  from { opacity: 0; transform: translateX(18px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes toast-out {
  to { opacity: 0; transform: translateX(18px); }
}

/* ============================================================
   Skeletons — placeholders animados de carga
============================================================ */
.skeleton {
  background: linear-gradient(90deg, #ececec 0%, #f5f5f5 50%, #ececec 100%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.3s ease-in-out infinite;
  border-radius: 6px;
  display: block;
}
.skeleton-line { height: 12px; margin-bottom: 8px; }
.skeleton-line.sk-short { width: 40%; }
.skeleton-line.sk-medium { width: 70%; }
.skeleton-line.sk-full { width: 100%; }
.skeleton-block { height: 120px; border-radius: 10px; }
.skeleton-circle { width: 40px; height: 40px; border-radius: 50%; }
@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   Empty states — pantallas vacías con icono + mensaje
============================================================ */
.empty-state {
  text-align: center;
  padding: 40px 24px;
  color: var(--c-muted);
}
.empty-state .empty-icon {
  width: 64px; height: 64px;
  border-radius: 16px;
  background: var(--c-bg);
  color: var(--c-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.empty-state .empty-icon svg { width: 28px; height: 28px; }
.empty-state h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
  margin: 0 0 6px;
}
.empty-state p {
  font-size: 13px;
  color: var(--c-muted);
  margin: 0 auto 18px;
  max-width: 360px;
  line-height: 1.5;
}
.empty-state .btn { display: inline-flex; align-items: center; gap: 8px; flex: 0 0 auto; }

/* ============================================================
   Input validation — estados visuales
============================================================ */
.input.is-valid {
  border-color: var(--c-success);
  box-shadow: 0 0 0 3px rgba(22, 163, 74, .12);
}
.input.is-invalid {
  border-color: var(--c-danger);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, .12);
}
.field-hint {
  font-size: 11.5px;
  color: var(--c-muted);
  margin-top: 6px;
  min-height: 16px;
}
.field-hint.is-error { color: var(--c-danger); }
.field-hint.is-ok { color: var(--c-success); }

@media (min-width: 768px) {
  .input, .textarea, .select { font-size: 13px; padding: 9px 12px; }
  .btn { flex: 0 0 auto; padding: 10px 18px; min-height: auto; font-size: 13px; }
}
@media (max-width: 480px) {
  .grid { grid-template-columns: 1fr; }
  .form-actions .btn { flex: 1 1 100%; }
  .toast-container { left: 12px; right: 12px; bottom: 12px; }
  .toast { min-width: 0; max-width: none; }
}
@media (max-width: 640px) {
  .combo-text { font-size: 12.5px; }
  .combo-opt-text { font-size: 12px; }
}

/* ==========================================================
   Botón flotante de WhatsApp — soporte al cliente
========================================================== */
.wa-fab {
  position: fixed;
  bottom: 22px;
  right: 22px;
  z-index: 450;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: #ffffff;
  border: none;
  border-radius: 50%;
  text-decoration: none;
  transition: background .15s;
}
.wa-fab:hover { background: #1EBE57; color: #ffffff; }
.wa-fab-icon {
  width: 24px;
  height: 24px;
  color: #ffffff;
  flex-shrink: 0;
}
.wa-fab-text { display: none; }

@media (max-width: 720px) {
  .wa-fab {
    width: 50px;
    height: 50px;
    bottom: 16px;
    right: 16px;
  }
  .wa-fab-icon { width: 26px; height: 26px; }
}