/* ==================== BOTONES FLOTANTES ==================== */
.btn-todas, .btn-volver {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 140px;
  height: 48px;
  border-radius: 40px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  z-index: 1000;
  transition: all 0.2s;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  font-family: 'Nunito', sans-serif;
}

.btn-todas {
  background: var(--accent);
  color: white;
}

.btn-todas:hover {
  transform: translateY(-2px);
  background: #2c974b;
}

.btn-volver {
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-volver:hover {
  transform: translateY(-2px);
  background: rgba(0, 0, 0, 0.85);
}

.btn-volver-app {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 40px;
  background: var(--accent);
  color: white;
  font-weight: 600;
  font-size: 14px;
  font-family: 'Nunito', sans-serif;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
}

.btn-volver-app:hover {
  transform: translateY(-2px);
  background: #2c974b;
}

.light .btn-volver {
  background: rgba(255, 255, 255, 0.9);
  color: #1f2328;
  border-color: rgba(0, 0, 0, 0.1);
}

.scroll-top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn svg {
  width: 24px;
  height: 24px;
  stroke: white;
  stroke-width: 2.5;
}

/* ==================== BOTÓN INSTALAR ==================== */
.btn-instalar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Nunito', sans-serif;
}

.btn-instalar svg {
  stroke: white;
}

.btn-instalar:hover {
  transform: translateX(-50%) scale(1.02);
  background: #2c974b;
}

/* ==================== MODAL iOS ==================== */
.ios-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(5px);
}

.ios-modal-content {
  background: var(--surface);
  border-radius: 20px;
  padding: 24px;
  max-width: 300px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
}

.ios-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  cursor: pointer;
  display: flex;
}

.ios-modal-close svg {
  stroke: #7d8590;
  width: 18px;
  height: 18px;
}

.ios-modal-content p {
  margin: 16px 0;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ios-modal-content ol {
  text-align: left;
  margin: 16px 0;
  padding-left: 20px;
  font-size: 13px;
}

.ios-modal-content li {
  margin: 12px 0;
}

.entendido-btn {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 16px;
  width: 100%;
}